src/platform_posix.c
author Ryan C. Gordon <icculus@icculus.org>
Thu, 22 Mar 2012 00:21:28 -0400
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Cleaned up some FIXMEs.
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/*
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 * Posix-esque support routines for PhysicsFS.
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 *
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 * Please see the file LICENSE.txt in the source's root directory.
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 *
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 *  This file written by Ryan C. Gordon.
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 */
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/* !!! FIXME: check for EINTR? */
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#define __PHYSICSFS_INTERNAL__
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#include "physfs_platforms.h"
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#ifdef PHYSFS_PLATFORM_POSIX
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#include <unistd.h>
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#include <ctype.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <pwd.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#if ((!defined PHYSFS_NO_THREAD_SUPPORT) && (!defined PHYSFS_PLATFORM_BEOS))
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#include <pthread.h>
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#endif
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#include "physfs_internal.h"
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static PHYSFS_ErrorCode errcodeFromErrnoError(const int err)
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{
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    switch (err)
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    {
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        case 0: return PHYSFS_ERR_OK;
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        case EACCES: return PHYSFS_ERR_PERMISSION;
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        case EPERM: return PHYSFS_ERR_PERMISSION;
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        case EDQUOT: return PHYSFS_ERR_NO_SPACE;
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        case EIO: return PHYSFS_ERR_IO;
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        case ELOOP: return PHYSFS_ERR_SYMLINK_LOOP;
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        case EMLINK: return PHYSFS_ERR_NO_SPACE;
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        case ENAMETOOLONG: return PHYSFS_ERR_BAD_FILENAME;
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        case ENOENT: return PHYSFS_ERR_NO_SUCH_PATH;
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        case ENOSPC: return PHYSFS_ERR_NO_SPACE;
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        case ENOTDIR: return PHYSFS_ERR_NO_SUCH_PATH;
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        case EISDIR: return PHYSFS_ERR_NOT_A_FILE;
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        case EROFS: return PHYSFS_ERR_READ_ONLY;
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        case ETXTBSY: return PHYSFS_ERR_BUSY;
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        case EBUSY: return PHYSFS_ERR_BUSY;
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        case ENOMEM: return PHYSFS_ERR_OUT_OF_MEMORY;
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        case ENOTEMPTY: return PHYSFS_ERR_DIR_NOT_EMPTY;
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        default: return PHYSFS_ERR_OS_ERROR;
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    } /* switch */
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} /* errcodeFromErrnoError */
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static inline PHYSFS_ErrorCode errcodeFromErrno(void)
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{
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    return errcodeFromErrnoError(errno);
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} /* errcodeFromErrno */
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char *__PHYSFS_platformCopyEnvironmentVariable(const char *varname)
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{
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    const char *envr = getenv(varname);
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    char *retval = NULL;
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    if (envr != NULL)
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    {
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        retval = (char *) allocator.Malloc(strlen(envr) + 1);
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        BAIL_IF_MACRO(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
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        strcpy(retval, envr);
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    } /* if */
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    return retval;
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} /* __PHYSFS_platformCopyEnvironmentVariable */
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static char *getUserNameByUID(void)
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{
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    uid_t uid = getuid();
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    struct passwd *pw;
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    char *retval = NULL;
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    pw = getpwuid(uid);
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    if ((pw != NULL) && (pw->pw_name != NULL))
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    {
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        retval = (char *) allocator.Malloc(strlen(pw->pw_name) + 1);
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        if (retval != NULL)
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            strcpy(retval, pw->pw_name);
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    } /* if */
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    return retval;
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} /* getUserNameByUID */
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static char *getUserDirByUID(void)
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{
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    uid_t uid = getuid();
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    struct passwd *pw;
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    char *retval = NULL;
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    pw = getpwuid(uid);
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    if ((pw != NULL) && (pw->pw_dir != NULL))
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    {
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        retval = (char *) allocator.Malloc(strlen(pw->pw_dir) + 1);
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        if (retval != NULL)
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            strcpy(retval, pw->pw_dir);
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    } /* if */
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    return retval;
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} /* getUserDirByUID */
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char *__PHYSFS_platformGetUserName(void)
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{
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    char *retval = getUserNameByUID();
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    if (retval == NULL)
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        retval = __PHYSFS_platformCopyEnvironmentVariable("USER");
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    return retval;
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} /* __PHYSFS_platformGetUserName */
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char *__PHYSFS_platformCalcUserDir(void)
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{
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    char *retval = __PHYSFS_platformCopyEnvironmentVariable("HOME");
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    /* if the environment variable was set, make sure it's really a dir. */
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    if (retval != NULL)
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    {
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        struct stat statbuf;
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        if ((stat(retval, &statbuf) == -1) || (S_ISDIR(statbuf.st_mode) == 0))
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        {
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            allocator.Free(retval);
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            retval = NULL;
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        } /* if */
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    } /* if */
b45193ab2033 See if $HOME is bogus, and if so, use getpwuid() instead.
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diff changeset
   140
235
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parents:
diff changeset
   141
    if (retval == NULL)
4ad12914f652 Initial add.
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diff changeset
   142
        retval = getUserDirByUID();
1073
b45193ab2033 See if $HOME is bogus, and if so, use getpwuid() instead.
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parents: 1054
diff changeset
   143
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
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diff changeset
   144
    return retval;
1248
632895970ed6 Cleaned up some FIXMEs.
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diff changeset
   145
} /* __PHYSFS_platformCalcUserDir */
235
4ad12914f652 Initial add.
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parents:
diff changeset
   146
4ad12914f652 Initial add.
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diff changeset
   147
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
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   148
void __PHYSFS_platformEnumerateFiles(const char *dirname,
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
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   149
                                     int omitSymLinks,
754
e7cd7411eadf API BREAKAGE: Changed PHYSFS_enumerateFilesCallback() to pass the originally
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   150
                                     PHYSFS_EnumFilesCallback callback,
e7cd7411eadf API BREAKAGE: Changed PHYSFS_enumerateFilesCallback() to pass the originally
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   151
                                     const char *origdir,
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
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   152
                                     void *callbackdata)
235
4ad12914f652 Initial add.
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   153
{
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diff changeset
   154
    DIR *dir;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
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   155
    struct dirent *ent;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   156
    int bufsize = 0;
4ad12914f652 Initial add.
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diff changeset
   157
    char *buf = NULL;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   158
    int dlen = 0;
4ad12914f652 Initial add.
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diff changeset
   159
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
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   160
    if (omitSymLinks)  /* !!! FIXME: this malloc sucks. */
235
4ad12914f652 Initial add.
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parents:
diff changeset
   161
    {
4ad12914f652 Initial add.
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   162
        dlen = strlen(dirname);
4ad12914f652 Initial add.
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diff changeset
   163
        bufsize = dlen + 256;
691
71d9affe0d8a All memory management now goes through allocation hooks instead of directly to
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   164
        buf = (char *) allocator.Malloc(bufsize);
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
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diff changeset
   165
        if (buf == NULL)
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
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diff changeset
   166
            return;
235
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   167
        strcpy(buf, dirname);
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   168
        if (buf[dlen - 1] != '/')
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   169
        {
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   170
            buf[dlen++] = '/';
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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   171
            buf[dlen] = '\0';
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   172
        } /* if */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   173
    } /* if */
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parents:
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   174
4ad12914f652 Initial add.
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   175
    errno = 0;
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   176
    dir = opendir(dirname);
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   177
    if (dir == NULL)
4ad12914f652 Initial add.
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diff changeset
   178
    {
852
9467e96abdf1 Replaced some Malloc and all the alloca() calls with __PHYSFS_smallAlloc(),
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   179
        allocator.Free(buf);
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
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   180
        return;
235
4ad12914f652 Initial add.
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diff changeset
   181
    } /* if */
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   182
362
ac8c846a0a66 Changed enumeration code to use __PHYSFS_addToLinkedStringList().
Ryan C. Gordon <icculus@icculus.org>
parents: 310
diff changeset
   183
    while ((ent = readdir(dir)) != NULL)
235
4ad12914f652 Initial add.
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parents:
diff changeset
   184
    {
4ad12914f652 Initial add.
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   185
        if (strcmp(ent->d_name, ".") == 0)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   186
            continue;
4ad12914f652 Initial add.
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   187
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   188
        if (strcmp(ent->d_name, "..") == 0)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   189
            continue;
4ad12914f652 Initial add.
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diff changeset
   190
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   191
        if (omitSymLinks)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   192
        {
1125
bcff76dbd9fd Removed isDirectory, isSymLink and exists methods from internal code.
Ryan C. Gordon <icculus@icculus.org>
parents: 1118
diff changeset
   193
            PHYSFS_Stat statbuf;
bcff76dbd9fd Removed isDirectory, isSymLink and exists methods from internal code.
Ryan C. Gordon <icculus@icculus.org>
parents: 1118
diff changeset
   194
            int exists = 0;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   195
            char *p;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   196
            int len = strlen(ent->d_name) + dlen + 1;
4ad12914f652 Initial add.
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parents:
diff changeset
   197
            if (len > bufsize)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   198
            {
691
71d9affe0d8a All memory management now goes through allocation hooks instead of directly to
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   199
                p = (char *) allocator.Realloc(buf, len);
235
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diff changeset
   200
                if (p == NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   201
                    continue;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   202
                buf = p;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   203
                bufsize = len;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   204
            } /* if */
4ad12914f652 Initial add.
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diff changeset
   205
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
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   206
            strcpy(buf + dlen, ent->d_name);
1125
bcff76dbd9fd Removed isDirectory, isSymLink and exists methods from internal code.
Ryan C. Gordon <icculus@icculus.org>
parents: 1118
diff changeset
   207
1199
fc5cec340d26 Cleaned up some __PHYSFS_platformStat() details.
Ryan C. Gordon <icculus@icculus.org>
parents: 1176
diff changeset
   208
            if (!__PHYSFS_platformStat(buf, &exists, &statbuf))
fc5cec340d26 Cleaned up some __PHYSFS_platformStat() details.
Ryan C. Gordon <icculus@icculus.org>
parents: 1176
diff changeset
   209
                continue;
fc5cec340d26 Cleaned up some __PHYSFS_platformStat() details.
Ryan C. Gordon <icculus@icculus.org>
parents: 1176
diff changeset
   210
            else if (!exists)
fc5cec340d26 Cleaned up some __PHYSFS_platformStat() details.
Ryan C. Gordon <icculus@icculus.org>
parents: 1176
diff changeset
   211
                continue;  /* probably can't happen, but just in case. */
fc5cec340d26 Cleaned up some __PHYSFS_platformStat() details.
Ryan C. Gordon <icculus@icculus.org>
parents: 1176
diff changeset
   212
            else if (statbuf.filetype == PHYSFS_FILETYPE_SYMLINK)
fc5cec340d26 Cleaned up some __PHYSFS_platformStat() details.
Ryan C. Gordon <icculus@icculus.org>
parents: 1176
diff changeset
   213
                continue;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   214
        } /* if */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   215
754
e7cd7411eadf API BREAKAGE: Changed PHYSFS_enumerateFilesCallback() to pass the originally
Ryan C. Gordon <icculus@icculus.org>
parents: 747
diff changeset
   216
        callback(callbackdata, origdir, ent->d_name);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   217
    } /* while */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   218
852
9467e96abdf1 Replaced some Malloc and all the alloca() calls with __PHYSFS_smallAlloc(),
Ryan C. Gordon <icculus@icculus.org>
parents: 847
diff changeset
   219
    allocator.Free(buf);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   220
    closedir(dir);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   221
} /* __PHYSFS_platformEnumerateFiles */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   222
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   223
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   224
int __PHYSFS_platformMkDir(const char *path)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   225
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   226
    const int rc = mkdir(path, S_IRWXU);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   227
    BAIL_IF_MACRO(rc == -1, errcodeFromErrno(), 0);
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   228
    return 1;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   229
} /* __PHYSFS_platformMkDir */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   230
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   231
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   232
static void *doOpen(const char *filename, int mode)
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   233
{
939
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   234
    const int appending = (mode & O_APPEND);
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   235
    int fd;
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   236
    int *retval;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   237
    errno = 0;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   238
939
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   239
    /* O_APPEND doesn't actually behave as we'd like. */
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   240
    mode &= ~O_APPEND;
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   241
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   242
    fd = open(filename, mode, S_IRUSR | S_IWUSR);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   243
    BAIL_IF_MACRO(fd < 0, errcodeFromErrno(), NULL);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   244
939
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   245
    if (appending)
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   246
    {
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   247
        if (lseek(fd, 0, SEEK_END) < 0)
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   248
        {
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   249
            const int err = errno;
939
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   250
            close(fd);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   251
            BAIL_MACRO(errcodeFromErrnoError(err), NULL);
939
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   252
        } /* if */
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   253
    } /* if */
684c583cb586 Fixed PHYSFS_openAppend() on Unix.
Ryan C. Gordon <icculus@icculus.org>
parents: 852
diff changeset
   254
691
71d9affe0d8a All memory management now goes through allocation hooks instead of directly to
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   255
    retval = (int *) allocator.Malloc(sizeof (int));
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   256
    if (!retval)
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   257
    {
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   258
        close(fd);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   259
        BAIL_MACRO(PHYSFS_ERR_OUT_OF_MEMORY, NULL);
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   260
    } /* if */
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   261
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   262
    *retval = fd;
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   263
    return ((void *) retval);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   264
} /* doOpen */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   265
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   266
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   267
void *__PHYSFS_platformOpenRead(const char *filename)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   268
{
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   269
    return doOpen(filename, O_RDONLY);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   270
} /* __PHYSFS_platformOpenRead */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   271
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   272
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   273
void *__PHYSFS_platformOpenWrite(const char *filename)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   274
{
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   275
    return doOpen(filename, O_WRONLY | O_CREAT | O_TRUNC);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   276
} /* __PHYSFS_platformOpenWrite */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   277
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   278
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   279
void *__PHYSFS_platformOpenAppend(const char *filename)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   280
{
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   281
    return doOpen(filename, O_WRONLY | O_CREAT | O_APPEND);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   282
} /* __PHYSFS_platformOpenAppend */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   283
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   284
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   285
PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buffer,
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   286
                                    PHYSFS_uint64 len)
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   287
{
1117
968e1567f4f4 Constification.
Ryan C. Gordon <icculus@icculus.org>
parents: 1115
diff changeset
   288
    const int fd = *((int *) opaque);
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   289
    ssize_t rc = 0;
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   290
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   291
    if (!__PHYSFS_ui64FitsAddressSpace(len))
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   292
        BAIL_MACRO(PHYSFS_ERR_INVALID_ARGUMENT, -1);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   293
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   294
    rc = read(fd, buffer, (size_t) len);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   295
    BAIL_IF_MACRO(rc == -1, errcodeFromErrno(), -1);
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   296
    assert(rc >= 0);
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   297
    assert(rc <= len);
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   298
    return (PHYSFS_sint64) rc;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   299
} /* __PHYSFS_platformRead */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   300
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   301
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   302
PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   303
                                     PHYSFS_uint64 len)
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   304
{
1117
968e1567f4f4 Constification.
Ryan C. Gordon <icculus@icculus.org>
parents: 1115
diff changeset
   305
    const int fd = *((int *) opaque);
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   306
    ssize_t rc = 0;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   307
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   308
    if (!__PHYSFS_ui64FitsAddressSpace(len))
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   309
        BAIL_MACRO(PHYSFS_ERR_INVALID_ARGUMENT, -1);
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   310
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   311
    rc = write(fd, (void *) buffer, (size_t) len);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   312
    BAIL_IF_MACRO(rc == -1, errcodeFromErrno(), rc);
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   313
    assert(rc >= 0);
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   314
    assert(rc <= len);
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1073
diff changeset
   315
    return (PHYSFS_sint64) rc;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   316
} /* __PHYSFS_platformWrite */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   317
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   318
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   319
int __PHYSFS_platformSeek(void *opaque, PHYSFS_uint64 pos)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   320
{
1117
968e1567f4f4 Constification.
Ryan C. Gordon <icculus@icculus.org>
parents: 1115
diff changeset
   321
    const int fd = *((int *) opaque);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   322
    const int rc = lseek(fd, (off_t) pos, SEEK_SET);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   323
    BAIL_IF_MACRO(rc == -1, errcodeFromErrno(), 0);
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   324
    return 1;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   325
} /* __PHYSFS_platformSeek */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   326
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   327
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   328
PHYSFS_sint64 __PHYSFS_platformTell(void *opaque)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   329
{
1117
968e1567f4f4 Constification.
Ryan C. Gordon <icculus@icculus.org>
parents: 1115
diff changeset
   330
    const int fd = *((int *) opaque);
259
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   331
    PHYSFS_sint64 retval;
1228
7c0e9de2ba33 Removed llseek().
Ryan C. Gordon <icculus@icculus.org>
parents: 1226
diff changeset
   332
    retval = (PHYSFS_sint64) lseek(fd, 0, SEEK_CUR);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   333
    BAIL_IF_MACRO(retval == -1, errcodeFromErrno(), -1);
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   334
    return retval;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   335
} /* __PHYSFS_platformTell */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   336
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   337
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   338
PHYSFS_sint64 __PHYSFS_platformFileLength(void *opaque)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   339
{
1117
968e1567f4f4 Constification.
Ryan C. Gordon <icculus@icculus.org>
parents: 1115
diff changeset
   340
    const int fd = *((int *) opaque);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   341
    struct stat statbuf;
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   342
    BAIL_IF_MACRO(fstat(fd, &statbuf) == -1, errcodeFromErrno(), -1);
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   343
    return ((PHYSFS_sint64) statbuf.st_size);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   344
} /* __PHYSFS_platformFileLength */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   345
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   346
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   347
int __PHYSFS_platformFlush(void *opaque)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   348
{
1117
968e1567f4f4 Constification.
Ryan C. Gordon <icculus@icculus.org>
parents: 1115
diff changeset
   349
    const int fd = *((int *) opaque);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   350
    BAIL_IF_MACRO(fsync(fd) == -1, errcodeFromErrno(), 0);
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   351
    return 1;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   352
} /* __PHYSFS_platformFlush */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   353
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   354
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1117
diff changeset
   355
void __PHYSFS_platformClose(void *opaque)
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   356
{
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1117
diff changeset
   357
    const int fd = *((int *) opaque);
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1117
diff changeset
   358
    (void) close(fd);  /* we don't check this. You should have used flush! */
691
71d9affe0d8a All memory management now goes through allocation hooks instead of directly to
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   359
    allocator.Free(opaque);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   360
} /* __PHYSFS_platformClose */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   361
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   362
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   363
int __PHYSFS_platformDelete(const char *path)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   364
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   365
    BAIL_IF_MACRO(remove(path) == -1, errcodeFromErrno(), 0);
1016
957c97389257 Cleaned up returns that look like function calls for my updated coding style.
Ryan C. Gordon <icculus@icculus.org>
parents: 972
diff changeset
   366
    return 1;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   367
} /* __PHYSFS_platformDelete */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   368
240
052041af9001 Added PHYSFS_getLastModTime() API. (Thanks, John Hall!)
Ryan C. Gordon <icculus@icculus.org>
parents: 235
diff changeset
   369
1054
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   370
int __PHYSFS_platformStat(const char *filename, int *exists, PHYSFS_Stat *st)
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   371
{
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   372
    struct stat statbuf;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   373
1199
fc5cec340d26 Cleaned up some __PHYSFS_platformStat() details.
Ryan C. Gordon <icculus@icculus.org>
parents: 1176
diff changeset
   374
    if (lstat(filename, &statbuf) == -1)
1054
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   375
    {
1199
fc5cec340d26 Cleaned up some __PHYSFS_platformStat() details.
Ryan C. Gordon <icculus@icculus.org>
parents: 1176
diff changeset
   376
        *exists = (errno == ENOENT);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   377
        BAIL_MACRO(errcodeFromErrno(), 0);
1054
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   378
    } /* if */
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   379
1167
9d84f8652839 POSIX version of __PHYSFS_platformStat() forgot to set *exists properly.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   380
    *exists = 1;
9d84f8652839 POSIX version of __PHYSFS_platformStat() forgot to set *exists properly.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   381
1054
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   382
    if (S_ISREG(statbuf.st_mode))
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   383
    {
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   384
        st->filetype = PHYSFS_FILETYPE_REGULAR;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   385
        st->filesize = statbuf.st_size;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   386
    } /* if */
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   387
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   388
    else if(S_ISDIR(statbuf.st_mode))
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   389
    {
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   390
        st->filetype = PHYSFS_FILETYPE_DIRECTORY;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   391
        st->filesize = 0;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   392
    } /* else if */
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   393
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   394
    else
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   395
    {
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   396
        st->filetype = PHYSFS_FILETYPE_OTHER;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   397
        st->filesize = statbuf.st_size;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   398
    } /* else */
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   399
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   400
    st->modtime = statbuf.st_mtime;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   401
    st->createtime = statbuf.st_ctime;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   402
    st->accesstime = statbuf.st_atime;
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   403
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   404
    /* !!! FIXME: maybe we should just report full permissions? */
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   405
    st->readonly = access(filename, W_OK);
1106
94c3669d0311 Fixed PHYSFS_stat()'s return value to match rest of PhysicsFS API.
Ryan C. Gordon <icculus@icculus.org>
parents: 1098
diff changeset
   406
    return 1;
1054
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   407
} /* __PHYSFS_platformStat */
57f4af811ffb THIS is Christoph's PHYSFS_stat() work.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
   408
1173
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   409
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   410
#ifndef PHYSFS_PLATFORM_BEOS  /* BeOS has its own code in platform_beos.cpp */
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   411
#if (defined PHYSFS_NO_THREAD_SUPPORT)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   412
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   413
void *__PHYSFS_platformGetThreadID(void) { return ((void *) 0x0001); }
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   414
void *__PHYSFS_platformCreateMutex(void) { return ((void *) 0x0001); }
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   415
void __PHYSFS_platformDestroyMutex(void *mutex) {}
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   416
int __PHYSFS_platformGrabMutex(void *mutex) { return 1; }
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   417
void __PHYSFS_platformReleaseMutex(void *mutex) {}
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   418
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   419
#else
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   420
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   421
typedef struct
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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   422
{
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   423
    pthread_mutex_t mutex;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   424
    pthread_t owner;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   425
    PHYSFS_uint32 count;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   426
} PthreadMutex;
77b2df665bd1 Removed deprecated Mac OS X APIs.
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diff changeset
   427
77b2df665bd1 Removed deprecated Mac OS X APIs.
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diff changeset
   428
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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   429
void *__PHYSFS_platformGetThreadID(void)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   430
{
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   431
    return ( (void *) ((size_t) pthread_self()) );
77b2df665bd1 Removed deprecated Mac OS X APIs.
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diff changeset
   432
} /* __PHYSFS_platformGetThreadID */
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diff changeset
   433
77b2df665bd1 Removed deprecated Mac OS X APIs.
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diff changeset
   434
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   435
void *__PHYSFS_platformCreateMutex(void)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   436
{
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diff changeset
   437
    int rc;
77b2df665bd1 Removed deprecated Mac OS X APIs.
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diff changeset
   438
    PthreadMutex *m = (PthreadMutex *) allocator.Malloc(sizeof (PthreadMutex));
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   439
    BAIL_IF_MACRO(!m, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
1173
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   440
    rc = pthread_mutex_init(&m->mutex, NULL);
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   441
    if (rc != 0)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   442
    {
77b2df665bd1 Removed deprecated Mac OS X APIs.
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diff changeset
   443
        allocator.Free(m);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1238
diff changeset
   444
        BAIL_MACRO(PHYSFS_ERR_OS_ERROR, NULL);
1173
77b2df665bd1 Removed deprecated Mac OS X APIs.
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diff changeset
   445
    } /* if */
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diff changeset
   446
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   447
    m->count = 0;
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Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   448
    m->owner = (pthread_t) 0xDEADBEEF;
77b2df665bd1 Removed deprecated Mac OS X APIs.
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parents: 1167
diff changeset
   449
    return ((void *) m);
77b2df665bd1 Removed deprecated Mac OS X APIs.
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diff changeset
   450
} /* __PHYSFS_platformCreateMutex */
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diff changeset
   451
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diff changeset
   452
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   453
void __PHYSFS_platformDestroyMutex(void *mutex)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   454
{
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   455
    PthreadMutex *m = (PthreadMutex *) mutex;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   456
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   457
    /* Destroying a locked mutex is a bug, but we'll try to be helpful. */
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   458
    if ((m->owner == pthread_self()) && (m->count > 0))
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   459
        pthread_mutex_unlock(&m->mutex);
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   460
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   461
    pthread_mutex_destroy(&m->mutex);
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   462
    allocator.Free(m);
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   463
} /* __PHYSFS_platformDestroyMutex */
77b2df665bd1 Removed deprecated Mac OS X APIs.
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diff changeset
   464
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   465
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   466
int __PHYSFS_platformGrabMutex(void *mutex)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   467
{
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   468
    PthreadMutex *m = (PthreadMutex *) mutex;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   469
    pthread_t tid = pthread_self();
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   470
    if (m->owner != tid)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   471
    {
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   472
        if (pthread_mutex_lock(&m->mutex) != 0)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   473
            return 0;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   474
        m->owner = tid;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   475
    } /* if */
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   476
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   477
    m->count++;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   478
    return 1;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   479
} /* __PHYSFS_platformGrabMutex */
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   480
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   481
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   482
void __PHYSFS_platformReleaseMutex(void *mutex)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   483
{
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   484
    PthreadMutex *m = (PthreadMutex *) mutex;
1238
97d4522cdf02 Check for mutex bugs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1228
diff changeset
   485
    assert(m->owner == pthread_self());  /* catch programming errors. */
97d4522cdf02 Check for mutex bugs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1228
diff changeset
   486
    assert(m->count > 0);  /* catch programming errors. */
1173
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   487
    if (m->owner == pthread_self())
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   488
    {
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   489
        if (--m->count == 0)
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   490
        {
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   491
            m->owner = (pthread_t) 0xDEADBEEF;
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   492
            pthread_mutex_unlock(&m->mutex);
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   493
        } /* if */
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   494
    } /* if */
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   495
} /* __PHYSFS_platformReleaseMutex */
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   496
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   497
#endif /* !PHYSFS_NO_THREAD_SUPPORT */
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   498
#endif /* !PHYSFS_PLATFORM_BEOS */
77b2df665bd1 Removed deprecated Mac OS X APIs.
Ryan C. Gordon <icculus@icculus.org>
parents: 1167
diff changeset
   499
818
e36f23f49042 Now compiles everything whether we need it or not, removing whole files with
Ryan C. Gordon <icculus@icculus.org>
parents: 809
diff changeset
   500
#endif  /* PHYSFS_PLATFORM_POSIX */
310
f8bca4a93fd5 Patched to compile on Cygwin.
Ryan C. Gordon <icculus@icculus.org>
parents: 292
diff changeset
   501
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   502
/* end of posix.c ... */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   503