platform/posix.c
author Ryan C. Gordon <icculus@icculus.org>
Sun, 23 Jun 2002 09:17:59 +0000
changeset 292 99bf6ef5639a
parent 259 bd65a0d74e9a
child 310 f8bca4a93fd5
permissions -rw-r--r--
Patched a bug where doOpen() reported success when the file couldn't be opened (doh!).
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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 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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#if HAVE_CONFIG_H
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#  include <config.h>
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#endif
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#if (defined __STRICT_ANSI__)
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#define __PHYSFS_DOING_STRICT_ANSI__
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#endif
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/*
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 * We cheat a little: I want the symlink version of stat() (lstat), and
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 *  GCC/Linux will not declare it if compiled with the -ansi flag.
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 *  If you are really lacking symlink support on your platform,
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 *  you should #define __PHYSFS_NO_SYMLINKS__ before compiling this
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 *  file. That will open a security hole, though, if you really DO have
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 *  symlinks on your platform; it renders PHYSFS_permitSymbolicLinks(0)
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 *  useless, since every symlink will be reported as a regular file/dir.
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 */
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#if (defined __PHYSFS_DOING_STRICT_ANSI__)
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#undef __STRICT_ANSI__
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#endif
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#include <stdio.h>
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#if (defined __PHYSFS_DOING_STRICT_ANSI__)
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#define __STRICT_ANSI__
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#endif
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#include <stdlib.h>
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#include <string.h>
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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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#include <assert.h>
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#ifdef PHYSFS_HAVE_LLSEEK
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#include <linux/unistd.h>
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#endif
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#define __PHYSICSFS_INTERNAL__
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#include "physfs_internal.h"
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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 *) malloc(strlen(envr) + 1);
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        if (retval != 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 *) 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 *) 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_platformGetUserDir(void)
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{
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    char *retval = __PHYSFS_platformCopyEnvironmentVariable("HOME");
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    if (retval == NULL)
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        retval = getUserDirByUID();
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    return(retval);
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} /* __PHYSFS_platformGetUserDir */
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/* -ansi and -pedantic flags prevent use of strcasecmp() on Linux. */
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int __PHYSFS_platformStricmp(const char *x, const char *y)
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{
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    int ux, uy;
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    do
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    {
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        ux = toupper((int) *x);
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        uy = toupper((int) *y);
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        if (ux > uy)
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            return(1);
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        else if (ux < uy)
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            return(-1);
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        x++;
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        y++;
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    } while ((ux) && (uy));
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    return(0);
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} /* __PHYSFS_platformStricmp */
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int __PHYSFS_platformExists(const char *fname)
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{
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    struct stat statbuf;
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    return(stat(fname, &statbuf) == 0);
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} /* __PHYSFS_platformExists */
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int __PHYSFS_platformIsSymLink(const char *fname)
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{
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#if (defined __PHYSFS_NO_SYMLINKS__)
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    return(0);
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#else
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    struct stat statbuf;
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    int retval = 0;
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    if (lstat(fname, &statbuf) == 0)
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    {
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        if (S_ISLNK(statbuf.st_mode))
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            retval = 1;
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    } /* if */
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parents:
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parents:
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   167
    return(retval);
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parents:
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   168
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   169
#endif
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parents:
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   170
} /* __PHYSFS_platformIsSymlink */
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parents:
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   171
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   172
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Ryan C. Gordon <icculus@icculus.org>
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   173
int __PHYSFS_platformIsDirectory(const char *fname)
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parents:
diff changeset
   174
{
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   175
    struct stat statbuf;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   176
    int retval = 0;
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parents:
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   177
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   178
    if (stat(fname, &statbuf) == 0)
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parents:
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   179
    {
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parents:
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   180
        if (S_ISDIR(statbuf.st_mode))
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   181
            retval = 1;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   182
    } /* if */
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   183
    
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   184
    return(retval);
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parents:
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   185
} /* __PHYSFS_platformIsDirectory */
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parents:
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   186
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   187
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   188
char *__PHYSFS_platformCvtToDependent(const char *prepend,
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   189
                                      const char *dirName,
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   190
                                      const char *append)
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   191
{
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   192
    int len = ((prepend) ? strlen(prepend) : 0) +
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   193
              ((append) ? strlen(append) : 0) +
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   194
              strlen(dirName) + 1;
249
fed886543e40 Added a bunch of explicit casts when using malloc().
Ryan C. Gordon <icculus@icculus.org>
parents: 240
diff changeset
   195
    char *retval = (char *) malloc(len);
235
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   196
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   197
    BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   198
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   199
    /* platform-independent notation is Unix-style already.  :)  */
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parents:
diff changeset
   200
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   201
    if (prepend)
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   202
        strcpy(retval, prepend);
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   203
    else
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   204
        retval[0] = '\0';
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   205
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   206
    strcat(retval, dirName);
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   207
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   208
    if (append)
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   209
        strcat(retval, append);
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   210
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   211
    return(retval);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   212
} /* __PHYSFS_platformCvtToDependent */
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parents:
diff changeset
   213
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Ryan C. Gordon <icculus@icculus.org>
parents:
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   214
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   215
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   216
LinkedStringList *__PHYSFS_platformEnumerateFiles(const char *dirname,
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   217
                                                  int omitSymLinks)
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   218
{
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   219
    LinkedStringList *retval = NULL;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   220
    LinkedStringList *l = NULL;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   221
    LinkedStringList *prev = NULL;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   222
    DIR *dir;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   223
    struct dirent *ent;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   224
    int bufsize = 0;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   225
    char *buf = NULL;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   226
    int dlen = 0;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   227
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   228
    if (omitSymLinks)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   229
    {
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   230
        dlen = strlen(dirname);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   231
        bufsize = dlen + 256;
249
fed886543e40 Added a bunch of explicit casts when using malloc().
Ryan C. Gordon <icculus@icculus.org>
parents: 240
diff changeset
   232
        buf = (char *) malloc(bufsize);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   233
        BAIL_IF_MACRO(buf == NULL, ERR_OUT_OF_MEMORY, NULL);
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   234
        strcpy(buf, dirname);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   235
        if (buf[dlen - 1] != '/')
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   236
        {
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   237
            buf[dlen++] = '/';
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   238
            buf[dlen] = '\0';
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   239
        } /* if */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   240
    } /* if */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   241
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   242
    errno = 0;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   243
    dir = opendir(dirname);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   244
    if (dir == NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   245
    {
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   246
        if (buf != NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   247
            free(buf);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   248
        BAIL_IF_MACRO(1, strerror(errno), NULL);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   249
    } /* if */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   250
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   251
    while (1)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   252
    {
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   253
        ent = readdir(dir);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   254
        if (ent == NULL)   /* we're done. */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   255
            break;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   256
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   257
        if (strcmp(ent->d_name, ".") == 0)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   258
            continue;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   259
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   260
        if (strcmp(ent->d_name, "..") == 0)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   261
            continue;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   262
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   263
        if (omitSymLinks)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   264
        {
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   265
            char *p;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   266
            int len = strlen(ent->d_name) + dlen + 1;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   267
            if (len > bufsize)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   268
            {
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   269
                p = realloc(buf, len);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   270
                if (p == NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   271
                    continue;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   272
                buf = p;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   273
                bufsize = len;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   274
            } /* if */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   275
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   276
            strcpy(buf + dlen, ent->d_name);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   277
            if (__PHYSFS_platformIsSymLink(buf))
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   278
                continue;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   279
        } /* if */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   280
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   281
        l = (LinkedStringList *) malloc(sizeof (LinkedStringList));
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   282
        if (l == NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   283
            break;
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
        l->str = (char *) malloc(strlen(ent->d_name) + 1);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   286
        if (l->str == NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   287
        {
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   288
            free(l);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   289
            break;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   290
        } /* if */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   291
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   292
        strcpy(l->str, ent->d_name);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   293
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   294
        if (retval == NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   295
            retval = l;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   296
        else
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   297
            prev->next = l;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   298
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   299
        prev = l;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   300
        l->next = NULL;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   301
    } /* while */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   302
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   303
    if (buf != NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   304
        free(buf);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   305
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   306
    closedir(dir);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   307
    return(retval);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   308
} /* __PHYSFS_platformEnumerateFiles */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   309
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   310
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   311
char *__PHYSFS_platformCurrentDir(void)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   312
{
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   313
    int allocSize = 0;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   314
    char *retval = NULL;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   315
    char *ptr;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   316
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   317
    do
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
        allocSize += 100;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   320
        ptr = (char *) realloc(retval, allocSize);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   321
        if (ptr == NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   322
        {
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   323
            if (retval != NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   324
                free(retval);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   325
            BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   326
        } /* if */
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
        retval = ptr;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   329
        ptr = getcwd(retval, allocSize);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   330
    } while (ptr == NULL && errno == ERANGE);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   331
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   332
    if (ptr == NULL && errno)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   333
    {
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   334
            /*
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   335
             * getcwd() failed for some reason, for example current
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   336
             * directory not existing.
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
        if (retval != NULL)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   339
            free(retval);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   340
        BAIL_MACRO(ERR_NO_SUCH_FILE, NULL);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   341
    } /* if */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   342
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   343
    return(retval);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   344
} /* __PHYSFS_platformCurrentDir */
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
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   348
int __PHYSFS_platformMkDir(const char *path)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   349
{
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   350
    int rc;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   351
    errno = 0;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   352
    rc = mkdir(path, S_IRWXU);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   353
    BAIL_IF_MACRO(rc == -1, strerror(errno), 0);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   354
    return(1);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   355
} /* __PHYSFS_platformMkDir */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   356
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   357
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   358
static void *doOpen(const char *filename, int mode)
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   359
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   360
    int fd;
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   361
    int *retval;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   362
    errno = 0;
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   363
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   364
    fd = open(filename, mode, S_IRUSR | S_IWUSR);
292
99bf6ef5639a Patched a bug where doOpen() reported success when the file couldn't be
Ryan C. Gordon <icculus@icculus.org>
parents: 259
diff changeset
   365
    BAIL_IF_MACRO(fd < 0, strerror(errno), NULL);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   366
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   367
    retval = (int *) malloc(sizeof (int));
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   368
    if (retval == NULL)
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   369
    {
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   370
        close(fd);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   371
        BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   372
    } /* if */
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   373
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   374
    *retval = fd;
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   375
    return((void *) retval);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   376
} /* doOpen */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   377
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   378
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   379
void *__PHYSFS_platformOpenRead(const char *filename)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   380
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   381
    return(doOpen(filename, O_RDONLY));
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   382
} /* __PHYSFS_platformOpenRead */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   383
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   384
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   385
void *__PHYSFS_platformOpenWrite(const char *filename)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   386
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   387
    return(doOpen(filename, O_WRONLY | O_CREAT | O_TRUNC));
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   388
} /* __PHYSFS_platformOpenWrite */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   389
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   390
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   391
void *__PHYSFS_platformOpenAppend(const char *filename)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   392
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   393
    return(doOpen(filename, O_WRONLY | O_CREAT | O_APPEND));
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   394
} /* __PHYSFS_platformOpenAppend */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   395
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   396
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   397
PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buffer,
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   398
                                    PHYSFS_uint32 size, PHYSFS_uint32 count)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   399
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   400
    int fd = *((int *) opaque);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   401
    int max = size * count;
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   402
    int rc = read(fd, buffer, max);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   403
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   404
    BAIL_IF_MACRO(rc == -1, strerror(errno), rc);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   405
    assert(rc <= max);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   406
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   407
    if ((rc < max) && (size > 1))
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   408
        lseek(fd, -(rc % size), SEEK_CUR); /* rollback to object boundary. */
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   409
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   410
    return(rc / size);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   411
} /* __PHYSFS_platformRead */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   412
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   413
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   414
PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   415
                                     PHYSFS_uint32 size, PHYSFS_uint32 count)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   416
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   417
    int fd = *((int *) opaque);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   418
    int max = size * count;
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   419
    int rc = write(fd, (void *) buffer, max);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   420
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   421
    BAIL_IF_MACRO(rc == -1, strerror(errno), rc);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   422
    assert(rc <= max);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   423
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   424
    if ((rc < max) && (size > 1))
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   425
        lseek(fd, -(rc % size), SEEK_CUR); /* rollback to object boundary. */
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   426
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   427
    return(rc / size);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   428
} /* __PHYSFS_platformWrite */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   429
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   430
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   431
int __PHYSFS_platformSeek(void *opaque, PHYSFS_uint64 pos)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   432
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   433
    int fd = *((int *) opaque);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   434
259
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   435
    #ifdef PHYSFS_HAVE_LLSEEK
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   436
      unsigned long offset_high = ((pos >> 32) & 0xFFFFFFFF);
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   437
      unsigned long offset_low = (pos & 0xFFFFFFFF);
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   438
      loff_t retoffset;
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   439
      int rc = llseek(fd, offset_high, offset_low, &retoffset, SEEK_SET);
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   440
      BAIL_IF_MACRO(rc == -1, strerror(errno), 0);
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   441
    #else
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   442
      BAIL_IF_MACRO(lseek(fd, (int) pos, SEEK_SET) == -1, strerror(errno), 0);
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   443
    #endif
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   444
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   445
    return(1);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   446
} /* __PHYSFS_platformSeek */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   447
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   448
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   449
PHYSFS_sint64 __PHYSFS_platformTell(void *opaque)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   450
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   451
    int fd = *((int *) opaque);
259
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   452
    PHYSFS_sint64 retval;
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   453
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   454
    #ifdef PHYSFS_HAVE_LLSEEK
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   455
      loff_t retoffset;
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   456
      int rc = llseek(fd, 0, &retoffset, SEEK_CUR);
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   457
      BAIL_IF_MACRO(rc == -1, strerror(errno), -1);
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   458
      retval = (PHYSFS_sint64) retoffset;
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   459
    #else
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   460
      retval = (PHYSFS_sint64) lseek(fd, 0, SEEK_CUR);
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   461
      BAIL_IF_MACRO(retval == -1, strerror(errno), -1);
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   462
    #endif
bd65a0d74e9a 64-bit _llseek() support for the future.
Ryan C. Gordon <icculus@icculus.org>
parents: 255
diff changeset
   463
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   464
    return(retval);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   465
} /* __PHYSFS_platformTell */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   466
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   467
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   468
PHYSFS_sint64 __PHYSFS_platformFileLength(void *opaque)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   469
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   470
    int fd = *((int *) opaque);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   471
    struct stat statbuf;
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   472
    BAIL_IF_MACRO(fstat(fd, &statbuf) == -1, strerror(errno), -1);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   473
    return((PHYSFS_sint64) statbuf.st_size);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   474
} /* __PHYSFS_platformFileLength */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   475
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   476
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   477
int __PHYSFS_platformEOF(void *opaque)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   478
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   479
    PHYSFS_sint64 pos = __PHYSFS_platformTell(opaque);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   480
    PHYSFS_sint64 len = __PHYSFS_platformFileLength(opaque);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   481
    return(pos >= len);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   482
} /* __PHYSFS_platformEOF */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   483
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   484
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   485
int __PHYSFS_platformFlush(void *opaque)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   486
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   487
    int fd = *((int *) opaque);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   488
    BAIL_IF_MACRO(fsync(fd) == -1, strerror(errno), 0);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   489
    return(1);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   490
} /* __PHYSFS_platformFlush */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   491
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   492
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   493
int __PHYSFS_platformClose(void *opaque)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   494
{
251
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   495
    int fd = *((int *) opaque);
0f4615263e32 Actual POSIX calls to replace ANSI stdio routines.
Ryan C. Gordon <icculus@icculus.org>
parents: 249
diff changeset
   496
    BAIL_IF_MACRO(close(fd) == -1, strerror(errno), 0);
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   497
    return(1);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   498
} /* __PHYSFS_platformClose */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   499
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   500
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   501
int __PHYSFS_platformDelete(const char *path)
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   502
{
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   503
    BAIL_IF_MACRO(remove(path) == -1, strerror(errno), 0);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   504
    return(1);
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   505
} /* __PHYSFS_platformDelete */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   506
240
052041af9001 Added PHYSFS_getLastModTime() API. (Thanks, John Hall!)
Ryan C. Gordon <icculus@icculus.org>
parents: 235
diff changeset
   507
052041af9001 Added PHYSFS_getLastModTime() API. (Thanks, John Hall!)
Ryan C. Gordon <icculus@icculus.org>
parents: 235
diff changeset
   508
PHYSFS_sint64 __PHYSFS_platformGetLastModTime(const char *fname)
052041af9001 Added PHYSFS_getLastModTime() API. (Thanks, John Hall!)
Ryan C. Gordon <icculus@icculus.org>
parents: 235
diff changeset
   509
{
052041af9001 Added PHYSFS_getLastModTime() API. (Thanks, John Hall!)
Ryan C. Gordon <icculus@icculus.org>
parents: 235
diff changeset
   510
    struct stat statbuf;
052041af9001 Added PHYSFS_getLastModTime() API. (Thanks, John Hall!)
Ryan C. Gordon <icculus@icculus.org>
parents: 235
diff changeset
   511
    BAIL_IF_MACRO(stat(fname, &statbuf) < 0, strerror(errno), -1);
052041af9001 Added PHYSFS_getLastModTime() API. (Thanks, John Hall!)
Ryan C. Gordon <icculus@icculus.org>
parents: 235
diff changeset
   512
    return statbuf.st_mtime;
052041af9001 Added PHYSFS_getLastModTime() API. (Thanks, John Hall!)
Ryan C. Gordon <icculus@icculus.org>
parents: 235
diff changeset
   513
} /* __PHYSFS_platformGetLastModTime */
052041af9001 Added PHYSFS_getLastModTime() API. (Thanks, John Hall!)
Ryan C. Gordon <icculus@icculus.org>
parents: 235
diff changeset
   514
235
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   515
/* end of posix.c ... */
4ad12914f652 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   516