src/file/SDL_rwops.c
author Ryan C. Gordon <icculus@icculus.org>
Thu, 09 Apr 2015 22:33:39 -0400
branchiOS-improvements
changeset 9542 618662dc9e82
parent 8850 7e248a233387
child 9619 b94b6d0bff0f
permissions -rw-r--r--
Closing the iOS-improvements branch.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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/* Need this so Linux systems define fseek64o, ftell64o and off64_t */
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#define _LARGEFILE64_SOURCE
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#include "../SDL_internal.h"
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#if defined(__WIN32__)
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#include "../core/windows/SDL_windows.h"
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#endif
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/* This file provides a general interface for SDL to read and write
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   data sources.  It can easily be extended to files, memory, etc.
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*/
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#include "SDL_endian.h"
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#include "SDL_rwops.h"
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#ifdef __APPLE__
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#include "cocoa/SDL_rwopsbundlesupport.h"
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#endif /* __APPLE__ */
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#ifdef __ANDROID__
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#include "../core/android/SDL_android.h"
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#include "SDL_system.h"
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#endif
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#if __NACL__
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#include "nacl_io/nacl_io.h"
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#endif
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#ifdef __WIN32__
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/* Functions to read/write Win32 API file pointers */
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#ifndef INVALID_SET_FILE_POINTER
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#define INVALID_SET_FILE_POINTER 0xFFFFFFFF
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#endif
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#define READAHEAD_BUFFER_SIZE   1024
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static int SDLCALL
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windows_file_open(SDL_RWops * context, const char *filename, const char *mode)
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{
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    UINT old_error_mode;
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    HANDLE h;
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    DWORD r_right, w_right;
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    DWORD must_exist, truncate;
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    int a_mode;
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    if (!context)
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        return -1;              /* failed (invalid call) */
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    context->hidden.windowsio.h = INVALID_HANDLE_VALUE;   /* mark this as unusable */
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    context->hidden.windowsio.buffer.data = NULL;
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    context->hidden.windowsio.buffer.size = 0;
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    context->hidden.windowsio.buffer.left = 0;
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    /* "r" = reading, file must exist */
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    /* "w" = writing, truncate existing, file may not exist */
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    /* "r+"= reading or writing, file must exist            */
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    /* "a" = writing, append file may not exist             */
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    /* "a+"= append + read, file may not exist              */
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    /* "w+" = read, write, truncate. file may not exist    */
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    must_exist = (SDL_strchr(mode, 'r') != NULL) ? OPEN_EXISTING : 0;
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    truncate = (SDL_strchr(mode, 'w') != NULL) ? CREATE_ALWAYS : 0;
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    r_right = (SDL_strchr(mode, '+') != NULL
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               || must_exist) ? GENERIC_READ : 0;
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    a_mode = (SDL_strchr(mode, 'a') != NULL) ? OPEN_ALWAYS : 0;
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    w_right = (a_mode || SDL_strchr(mode, '+')
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               || truncate) ? GENERIC_WRITE : 0;
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    if (!r_right && !w_right)   /* inconsistent mode */
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        return -1;              /* failed (invalid call) */
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    context->hidden.windowsio.buffer.data =
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        (char *) SDL_malloc(READAHEAD_BUFFER_SIZE);
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    if (!context->hidden.windowsio.buffer.data) {
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        return SDL_OutOfMemory();
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    }
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    /* Do not open a dialog box if failure */
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    old_error_mode =
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        SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);
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    {
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        LPTSTR tstr = WIN_UTF8ToString(filename);
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        h = CreateFile(tstr, (w_right | r_right),
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                       (w_right) ? 0 : FILE_SHARE_READ, NULL,
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                       (must_exist | truncate | a_mode),
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                       FILE_ATTRIBUTE_NORMAL, NULL);
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        SDL_free(tstr);
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    }
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    /* restore old behavior */
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    SetErrorMode(old_error_mode);
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    if (h == INVALID_HANDLE_VALUE) {
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        SDL_free(context->hidden.windowsio.buffer.data);
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        context->hidden.windowsio.buffer.data = NULL;
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        SDL_SetError("Couldn't open %s", filename);
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        return -2;              /* failed (CreateFile) */
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    }
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    context->hidden.windowsio.h = h;
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    context->hidden.windowsio.append = a_mode ? SDL_TRUE : SDL_FALSE;
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    return 0;                   /* ok */
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}
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static Sint64 SDLCALL
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windows_file_size(SDL_RWops * context)
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{
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    LARGE_INTEGER size;
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   132
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    if (!context || context->hidden.windowsio.h == INVALID_HANDLE_VALUE) {
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        return SDL_SetError("windows_file_size: invalid context/file not opened");
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    }
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   136
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    if (!GetFileSizeEx(context->hidden.windowsio.h, &size)) {
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        return WIN_SetError("windows_file_size");
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    }
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   140
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    return size.QuadPart;
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}
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   143
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static Sint64 SDLCALL
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windows_file_seek(SDL_RWops * context, Sint64 offset, int whence)
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{
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    DWORD windowswhence;
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    LARGE_INTEGER windowsoffset;
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   149
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    if (!context || context->hidden.windowsio.h == INVALID_HANDLE_VALUE) {
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        return SDL_SetError("windows_file_seek: invalid context/file not opened");
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    }
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   153
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    /* FIXME: We may be able to satisfy the seek within buffered data */
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    if (whence == RW_SEEK_CUR && context->hidden.windowsio.buffer.left) {
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        offset -= (long)context->hidden.windowsio.buffer.left;
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   157
    }
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   158
    context->hidden.windowsio.buffer.left = 0;
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   159
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    switch (whence) {
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   161
    case RW_SEEK_SET:
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        windowswhence = FILE_BEGIN;
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   163
        break;
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   164
    case RW_SEEK_CUR:
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   165
        windowswhence = FILE_CURRENT;
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   166
        break;
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   167
    case RW_SEEK_END:
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   168
        windowswhence = FILE_END;
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   169
        break;
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   170
    default:
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   171
        return SDL_SetError("windows_file_seek: Unknown value for 'whence'");
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   172
    }
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   173
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    windowsoffset.QuadPart = offset;
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   175
    if (!SetFilePointerEx(context->hidden.windowsio.h, windowsoffset, &windowsoffset, windowswhence)) {
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   176
        return WIN_SetError("windows_file_seek");
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   177
    }
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   178
    return windowsoffset.QuadPart;
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   179
}
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   180
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   181
static size_t SDLCALL
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   182
windows_file_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum)
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   183
{
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   184
    size_t total_need;
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   185
    size_t total_read = 0;
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   186
    size_t read_ahead;
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   187
    DWORD byte_read;
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   188
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   189
    total_need = size * maxnum;
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   190
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   191
    if (!context || context->hidden.windowsio.h == INVALID_HANDLE_VALUE
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   192
        || !total_need)
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   193
        return 0;
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   194
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   195
    if (context->hidden.windowsio.buffer.left > 0) {
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   196
        void *data = (char *) context->hidden.windowsio.buffer.data +
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   197
            context->hidden.windowsio.buffer.size -
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   198
            context->hidden.windowsio.buffer.left;
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   199
        read_ahead =
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            SDL_min(total_need, context->hidden.windowsio.buffer.left);
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   201
        SDL_memcpy(ptr, data, read_ahead);
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   202
        context->hidden.windowsio.buffer.left -= read_ahead;
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   203
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   204
        if (read_ahead == total_need) {
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   205
            return maxnum;
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   206
        }
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   207
        ptr = (char *) ptr + read_ahead;
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   208
        total_need -= read_ahead;
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   209
        total_read += read_ahead;
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diff changeset
   210
    }
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diff changeset
   211
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   212
    if (total_need < READAHEAD_BUFFER_SIZE) {
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diff changeset
   213
        if (!ReadFile
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   214
            (context->hidden.windowsio.h, context->hidden.windowsio.buffer.data,
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   215
             READAHEAD_BUFFER_SIZE, &byte_read, NULL)) {
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diff changeset
   216
            SDL_Error(SDL_EFREAD);
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diff changeset
   217
            return 0;
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diff changeset
   218
        }
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   219
        read_ahead = SDL_min(total_need, (int) byte_read);
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   220
        SDL_memcpy(ptr, context->hidden.windowsio.buffer.data, read_ahead);
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   221
        context->hidden.windowsio.buffer.size = byte_read;
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   222
        context->hidden.windowsio.buffer.left = byte_read - read_ahead;
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   223
        total_read += read_ahead;
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diff changeset
   224
    } else {
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diff changeset
   225
        if (!ReadFile
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diff changeset
   226
            (context->hidden.windowsio.h, ptr, (DWORD)total_need, &byte_read, NULL)) {
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   227
            SDL_Error(SDL_EFREAD);
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   228
            return 0;
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diff changeset
   229
        }
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   230
        total_read += byte_read;
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diff changeset
   231
    }
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   232
    return (total_read / size);
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diff changeset
   233
}
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   234
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   235
static size_t SDLCALL
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   236
windows_file_write(SDL_RWops * context, const void *ptr, size_t size,
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   237
                 size_t num)
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   238
{
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   239
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   240
    size_t total_bytes;
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diff changeset
   241
    DWORD byte_written;
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diff changeset
   242
    size_t nwritten;
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diff changeset
   243
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   244
    total_bytes = size * num;
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diff changeset
   245
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diff changeset
   246
    if (!context || context->hidden.windowsio.h == INVALID_HANDLE_VALUE
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   247
        || total_bytes <= 0 || !size)
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diff changeset
   248
        return 0;
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diff changeset
   249
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diff changeset
   250
    if (context->hidden.windowsio.buffer.left) {
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   251
        SetFilePointer(context->hidden.windowsio.h,
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   252
                       -(LONG)context->hidden.windowsio.buffer.left, NULL,
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   253
                       FILE_CURRENT);
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diff changeset
   254
        context->hidden.windowsio.buffer.left = 0;
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diff changeset
   255
    }
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diff changeset
   256
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   257
    /* if in append mode, we must go to the EOF before write */
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diff changeset
   258
    if (context->hidden.windowsio.append) {
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diff changeset
   259
        if (SetFilePointer(context->hidden.windowsio.h, 0L, NULL, FILE_END) ==
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   260
            INVALID_SET_FILE_POINTER) {
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diff changeset
   261
            SDL_Error(SDL_EFWRITE);
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diff changeset
   262
            return 0;
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diff changeset
   263
        }
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   264
    }
c3e9a2b93517 Fixed line endings on WinRT source code
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parents: 8535
diff changeset
   265
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   266
    if (!WriteFile
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   267
        (context->hidden.windowsio.h, ptr, (DWORD)total_bytes, &byte_written, NULL)) {
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   268
        SDL_Error(SDL_EFWRITE);
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   269
        return 0;
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   270
    }
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   271
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   272
    nwritten = byte_written / size;
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   273
    return nwritten;
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   274
}
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   275
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   276
static int SDLCALL
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diff changeset
   277
windows_file_close(SDL_RWops * context)
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diff changeset
   278
{
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diff changeset
   279
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   280
    if (context) {
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   281
        if (context->hidden.windowsio.h != INVALID_HANDLE_VALUE) {
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   282
            CloseHandle(context->hidden.windowsio.h);
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   283
            context->hidden.windowsio.h = INVALID_HANDLE_VALUE;   /* to be sure */
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   284
        }
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   285
        SDL_free(context->hidden.windowsio.buffer.data);
c3e9a2b93517 Fixed line endings on WinRT source code
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parents: 8535
diff changeset
   286
        context->hidden.windowsio.buffer.data = NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   287
        SDL_FreeRW(context);
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diff changeset
   288
    }
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   289
    return 0;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   290
}
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   291
#endif /* __WIN32__ */
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diff changeset
   292
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   293
#ifdef HAVE_STDIO_H
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diff changeset
   294
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   295
/* Functions to read/write stdio file pointers */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   296
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   297
static Sint64 SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   298
stdio_size(SDL_RWops * context)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   299
{
c3e9a2b93517 Fixed line endings on WinRT source code
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diff changeset
   300
    Sint64 pos, size;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   301
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   302
    pos = SDL_RWseek(context, 0, RW_SEEK_CUR);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   303
    if (pos < 0) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   304
        return -1;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   305
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   306
    size = SDL_RWseek(context, 0, RW_SEEK_END);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   307
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   308
    SDL_RWseek(context, pos, RW_SEEK_SET);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   309
    return size;
c3e9a2b93517 Fixed line endings on WinRT source code
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parents: 8535
diff changeset
   310
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   311
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   312
static Sint64 SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   313
stdio_seek(SDL_RWops * context, Sint64 offset, int whence)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   314
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   315
#ifdef HAVE_FSEEKO64
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   316
    if (fseeko64(context->hidden.stdio.fp, (off64_t)offset, whence) == 0) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   317
        return ftello64(context->hidden.stdio.fp);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   318
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   319
#elif defined(HAVE_FSEEKO)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   320
    if (fseeko(context->hidden.stdio.fp, (off_t)offset, whence) == 0) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   321
        return ftello(context->hidden.stdio.fp);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   322
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   323
#elif defined(HAVE__FSEEKI64)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   324
    if (_fseeki64(context->hidden.stdio.fp, offset, whence) == 0) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   325
        return _ftelli64(context->hidden.stdio.fp);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   326
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   327
#else
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   328
    if (fseek(context->hidden.stdio.fp, offset, whence) == 0) {
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   329
        return ftell(context->hidden.stdio.fp);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   330
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   331
#endif
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   332
    return SDL_Error(SDL_EFSEEK);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   333
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   334
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   335
static size_t SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   336
stdio_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   337
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   338
    size_t nread;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   339
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   340
    nread = fread(ptr, size, maxnum, context->hidden.stdio.fp);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   341
    if (nread == 0 && ferror(context->hidden.stdio.fp)) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   342
        SDL_Error(SDL_EFREAD);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   343
    }
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   344
    return nread;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   345
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   346
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   347
static size_t SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   348
stdio_write(SDL_RWops * context, const void *ptr, size_t size, size_t num)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   349
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   350
    size_t nwrote;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   351
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   352
    nwrote = fwrite(ptr, size, num, context->hidden.stdio.fp);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   353
    if (nwrote == 0 && ferror(context->hidden.stdio.fp)) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   354
        SDL_Error(SDL_EFWRITE);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   355
    }
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   356
    return nwrote;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   357
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   358
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   359
static int SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   360
stdio_close(SDL_RWops * context)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   361
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   362
    int status = 0;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   363
    if (context) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   364
        if (context->hidden.stdio.autoclose) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   365
            /* WARNING:  Check the return value here! */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   366
            if (fclose(context->hidden.stdio.fp) != 0) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   367
                status = SDL_Error(SDL_EFWRITE);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   368
            }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   369
        }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   370
        SDL_FreeRW(context);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   371
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   372
    return status;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   373
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   374
#endif /* !HAVE_STDIO_H */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   375
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   376
/* Functions to read/write memory pointers */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   377
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   378
static Sint64 SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   379
mem_size(SDL_RWops * context)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   380
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   381
    return (Sint64)(context->hidden.mem.stop - context->hidden.mem.base);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   382
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   383
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   384
static Sint64 SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   385
mem_seek(SDL_RWops * context, Sint64 offset, int whence)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   386
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   387
    Uint8 *newpos;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   388
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   389
    switch (whence) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   390
    case RW_SEEK_SET:
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   391
        newpos = context->hidden.mem.base + offset;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   392
        break;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   393
    case RW_SEEK_CUR:
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   394
        newpos = context->hidden.mem.here + offset;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   395
        break;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   396
    case RW_SEEK_END:
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   397
        newpos = context->hidden.mem.stop + offset;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   398
        break;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   399
    default:
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   400
        return SDL_SetError("Unknown value for 'whence'");
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   401
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   402
    if (newpos < context->hidden.mem.base) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   403
        newpos = context->hidden.mem.base;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   404
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   405
    if (newpos > context->hidden.mem.stop) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   406
        newpos = context->hidden.mem.stop;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   407
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   408
    context->hidden.mem.here = newpos;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   409
    return (Sint64)(context->hidden.mem.here - context->hidden.mem.base);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   410
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   411
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   412
static size_t SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   413
mem_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   414
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   415
    size_t total_bytes;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   416
    size_t mem_available;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   417
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   418
    total_bytes = (maxnum * size);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   419
    if ((maxnum <= 0) || (size <= 0)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   420
        || ((total_bytes / maxnum) != (size_t) size)) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   421
        return 0;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   422
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   423
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   424
    mem_available = (context->hidden.mem.stop - context->hidden.mem.here);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   425
    if (total_bytes > mem_available) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   426
        total_bytes = mem_available;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   427
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   428
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   429
    SDL_memcpy(ptr, context->hidden.mem.here, total_bytes);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   430
    context->hidden.mem.here += total_bytes;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   431
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   432
    return (total_bytes / size);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   433
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   434
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   435
static size_t SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   436
mem_write(SDL_RWops * context, const void *ptr, size_t size, size_t num)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   437
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   438
    if ((context->hidden.mem.here + (num * size)) > context->hidden.mem.stop) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   439
        num = (context->hidden.mem.stop - context->hidden.mem.here) / size;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   440
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   441
    SDL_memcpy(context->hidden.mem.here, ptr, num * size);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   442
    context->hidden.mem.here += num * size;
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   443
    return num;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   444
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   445
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   446
static size_t SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   447
mem_writeconst(SDL_RWops * context, const void *ptr, size_t size, size_t num)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   448
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   449
    SDL_SetError("Can't write to read-only memory");
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   450
    return 0;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   451
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   452
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   453
static int SDLCALL
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   454
mem_close(SDL_RWops * context)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   455
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   456
    if (context) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   457
        SDL_FreeRW(context);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   458
    }
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   459
    return 0;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   460
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   461
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   462
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   463
/* Functions to create SDL_RWops structures from various data sources */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   464
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   465
SDL_RWops *
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   466
SDL_RWFromFile(const char *file, const char *mode)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   467
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   468
    SDL_RWops *rwops = NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   469
    if (!file || !*file || !mode || !*mode) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   470
        SDL_SetError("SDL_RWFromFile(): No file or no mode specified");
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   471
        return NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   472
    }
8761
bce4122e6e87 __ANDROID__ is the correct macro to check for an android system.ANDROID is only defined in NDK build system (.mk) and not in the standalone NDK.
Dimitris Zenios <dimitris.zenios@gmail.com>
parents: 8583
diff changeset
   473
#if defined(__ANDROID__)
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   474
#ifdef HAVE_STDIO_H
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   475
    /* Try to open the file on the filesystem first */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   476
    if (*file == '/') {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   477
        FILE *fp = fopen(file, mode);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   478
        if (fp) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   479
            return SDL_RWFromFP(fp, 1);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   480
        }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   481
    } else {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   482
        /* Try opening it from internal storage if it's a relative path */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   483
        char *path;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   484
        FILE *fp;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   485
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   486
        path = SDL_stack_alloc(char, PATH_MAX);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   487
        if (path) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   488
            SDL_snprintf(path, PATH_MAX, "%s/%s",
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   489
                         SDL_AndroidGetInternalStoragePath(), file);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   490
            fp = fopen(path, mode);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   491
            SDL_stack_free(path);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   492
            if (fp) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   493
                return SDL_RWFromFP(fp, 1);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   494
            }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   495
        }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   496
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   497
#endif /* HAVE_STDIO_H */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   498
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   499
    /* Try to open the file from the asset system */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   500
    rwops = SDL_AllocRW();
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   501
    if (!rwops)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   502
        return NULL;            /* SDL_SetError already setup by SDL_AllocRW() */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   503
    if (Android_JNI_FileOpen(rwops, file, mode) < 0) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   504
        SDL_FreeRW(rwops);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   505
        return NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   506
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   507
    rwops->size = Android_JNI_FileSize;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   508
    rwops->seek = Android_JNI_FileSeek;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   509
    rwops->read = Android_JNI_FileRead;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   510
    rwops->write = Android_JNI_FileWrite;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   511
    rwops->close = Android_JNI_FileClose;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   512
    rwops->type = SDL_RWOPS_JNIFILE;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   513
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   514
#elif defined(__WIN32__)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   515
    rwops = SDL_AllocRW();
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   516
    if (!rwops)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   517
        return NULL;            /* SDL_SetError already setup by SDL_AllocRW() */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   518
    if (windows_file_open(rwops, file, mode) < 0) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   519
        SDL_FreeRW(rwops);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   520
        return NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   521
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   522
    rwops->size = windows_file_size;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   523
    rwops->seek = windows_file_seek;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   524
    rwops->read = windows_file_read;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   525
    rwops->write = windows_file_write;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   526
    rwops->close = windows_file_close;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   527
    rwops->type = SDL_RWOPS_WINFILE;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   528
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   529
#elif HAVE_STDIO_H
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   530
    {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   531
        #ifdef __APPLE__
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   532
        FILE *fp = SDL_OpenFPFromBundleOrFallback(file, mode);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   533
        #elif __WINRT__
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   534
        FILE *fp = NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   535
        fopen_s(&fp, file, mode);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   536
        #else
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   537
        FILE *fp = fopen(file, mode);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   538
        #endif
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   539
        if (fp == NULL) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   540
            SDL_SetError("Couldn't open %s", file);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   541
        } else {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   542
            rwops = SDL_RWFromFP(fp, 1);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   543
        }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   544
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   545
#else
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   546
    SDL_SetError("SDL not compiled with stdio support");
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   547
#endif /* !HAVE_STDIO_H */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   548
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   549
    return rwops;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   550
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   551
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   552
#ifdef HAVE_STDIO_H
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   553
SDL_RWops *
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   554
SDL_RWFromFP(FILE * fp, SDL_bool autoclose)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   555
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   556
    SDL_RWops *rwops = NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   557
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   558
    rwops = SDL_AllocRW();
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   559
    if (rwops != NULL) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   560
        rwops->size = stdio_size;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   561
        rwops->seek = stdio_seek;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   562
        rwops->read = stdio_read;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   563
        rwops->write = stdio_write;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   564
        rwops->close = stdio_close;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   565
        rwops->hidden.stdio.fp = fp;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   566
        rwops->hidden.stdio.autoclose = autoclose;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   567
        rwops->type = SDL_RWOPS_STDFILE;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   568
    }
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   569
    return rwops;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   570
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   571
#else
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   572
SDL_RWops *
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   573
SDL_RWFromFP(void * fp, SDL_bool autoclose)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   574
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   575
    SDL_SetError("SDL not compiled with stdio support");
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   576
    return NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   577
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   578
#endif /* HAVE_STDIO_H */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   579
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   580
SDL_RWops *
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   581
SDL_RWFromMem(void *mem, int size)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   582
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   583
    SDL_RWops *rwops = NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   584
    if (!mem) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   585
      SDL_InvalidParamError("mem");
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   586
      return rwops;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   587
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   588
    if (!size) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   589
      SDL_InvalidParamError("size");
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   590
      return rwops;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   591
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   592
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   593
    rwops = SDL_AllocRW();
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   594
    if (rwops != NULL) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   595
        rwops->size = mem_size;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   596
        rwops->seek = mem_seek;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   597
        rwops->read = mem_read;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   598
        rwops->write = mem_write;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   599
        rwops->close = mem_close;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   600
        rwops->hidden.mem.base = (Uint8 *) mem;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   601
        rwops->hidden.mem.here = rwops->hidden.mem.base;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   602
        rwops->hidden.mem.stop = rwops->hidden.mem.base + size;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   603
        rwops->type = SDL_RWOPS_MEMORY;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   604
    }
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   605
    return rwops;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   606
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   607
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   608
SDL_RWops *
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   609
SDL_RWFromConstMem(const void *mem, int size)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   610
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   611
    SDL_RWops *rwops = NULL;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   612
    if (!mem) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   613
      SDL_InvalidParamError("mem");
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   614
      return rwops;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   615
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   616
    if (!size) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   617
      SDL_InvalidParamError("size");
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   618
      return rwops;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   619
    }
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   620
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   621
    rwops = SDL_AllocRW();
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   622
    if (rwops != NULL) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   623
        rwops->size = mem_size;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   624
        rwops->seek = mem_seek;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   625
        rwops->read = mem_read;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   626
        rwops->write = mem_writeconst;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   627
        rwops->close = mem_close;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   628
        rwops->hidden.mem.base = (Uint8 *) mem;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   629
        rwops->hidden.mem.here = rwops->hidden.mem.base;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   630
        rwops->hidden.mem.stop = rwops->hidden.mem.base + size;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   631
        rwops->type = SDL_RWOPS_MEMORY_RO;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   632
    }
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   633
    return rwops;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   634
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   635
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   636
SDL_RWops *
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   637
SDL_AllocRW(void)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   638
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   639
    SDL_RWops *area;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   640
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   641
    area = (SDL_RWops *) SDL_malloc(sizeof *area);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   642
    if (area == NULL) {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   643
        SDL_OutOfMemory();
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   644
    } else {
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   645
        area->type = SDL_RWOPS_UNKNOWN;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   646
    }
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   647
    return area;
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   648
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   649
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   650
void
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   651
SDL_FreeRW(SDL_RWops * area)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   652
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   653
    SDL_free(area);
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   654
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   655
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   656
/* Functions for dynamically reading and writing endian-specific values */
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   657
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   658
Uint8
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   659
SDL_ReadU8(SDL_RWops * src)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   660
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   661
    Uint8 value = 0;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   662
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   663
    SDL_RWread(src, &value, sizeof (value), 1);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   664
    return value;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   665
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   666
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   667
Uint16
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   668
SDL_ReadLE16(SDL_RWops * src)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   669
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   670
    Uint16 value = 0;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   671
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   672
    SDL_RWread(src, &value, sizeof (value), 1);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   673
    return SDL_SwapLE16(value);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   674
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   675
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   676
Uint16
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   677
SDL_ReadBE16(SDL_RWops * src)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   678
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   679
    Uint16 value = 0;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   680
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   681
    SDL_RWread(src, &value, sizeof (value), 1);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   682
    return SDL_SwapBE16(value);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   683
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   684
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   685
Uint32
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   686
SDL_ReadLE32(SDL_RWops * src)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   687
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   688
    Uint32 value = 0;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   689
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   690
    SDL_RWread(src, &value, sizeof (value), 1);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   691
    return SDL_SwapLE32(value);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   692
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   693
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   694
Uint32
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   695
SDL_ReadBE32(SDL_RWops * src)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   696
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   697
    Uint32 value = 0;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   698
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   699
    SDL_RWread(src, &value, sizeof (value), 1);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   700
    return SDL_SwapBE32(value);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   701
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   702
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   703
Uint64
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   704
SDL_ReadLE64(SDL_RWops * src)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   705
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   706
    Uint64 value = 0;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   707
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   708
    SDL_RWread(src, &value, sizeof (value), 1);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   709
    return SDL_SwapLE64(value);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   710
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   711
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   712
Uint64
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   713
SDL_ReadBE64(SDL_RWops * src)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   714
{
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   715
    Uint64 value = 0;
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   716
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   717
    SDL_RWread(src, &value, sizeof (value), 1);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   718
    return SDL_SwapBE64(value);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   719
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   720
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   721
size_t
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   722
SDL_WriteU8(SDL_RWops * dst, Uint8 value)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   723
{
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   724
    return SDL_RWwrite(dst, &value, sizeof (value), 1);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   725
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   726
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   727
size_t
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   728
SDL_WriteLE16(SDL_RWops * dst, Uint16 value)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   729
{
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   730
    const Uint16 swapped = SDL_SwapLE16(value);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   731
    return SDL_RWwrite(dst, &swapped, sizeof (swapped), 1);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   732
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   733
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   734
size_t
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   735
SDL_WriteBE16(SDL_RWops * dst, Uint16 value)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   736
{
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   737
    const Uint16 swapped = SDL_SwapBE16(value);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   738
    return SDL_RWwrite(dst, &swapped, sizeof (swapped), 1);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   739
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   740
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   741
size_t
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   742
SDL_WriteLE32(SDL_RWops * dst, Uint32 value)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   743
{
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   744
    const Uint32 swapped = SDL_SwapLE32(value);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   745
    return SDL_RWwrite(dst, &swapped, sizeof (swapped), 1);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   746
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   747
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   748
size_t
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   749
SDL_WriteBE32(SDL_RWops * dst, Uint32 value)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   750
{
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   751
    const Uint32 swapped = SDL_SwapBE32(value);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   752
    return SDL_RWwrite(dst, &swapped, sizeof (swapped), 1);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   753
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   754
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   755
size_t
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   756
SDL_WriteLE64(SDL_RWops * dst, Uint64 value)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   757
{
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   758
    const Uint64 swapped = SDL_SwapLE64(value);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   759
    return SDL_RWwrite(dst, &swapped, sizeof (swapped), 1);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   760
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   761
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   762
size_t
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   763
SDL_WriteBE64(SDL_RWops * dst, Uint64 value)
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   764
{
8162
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   765
    const Uint64 swapped = SDL_SwapBE64(value);
b6083d2078c0 Fixed some compiler warnings from the latest Clang, cleaned up some things.
Ryan C. Gordon <icculus@icculus.org>
parents: 8149
diff changeset
   766
    return SDL_RWwrite(dst, &swapped, sizeof (swapped), 1);
8582
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   767
}
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   768
c3e9a2b93517 Fixed line endings on WinRT source code
Sam Lantinga <slouken@libsdl.org>
parents: 8535
diff changeset
   769
/* vi: set ts=4 sw=4 expandtab: */