platform/unix.c
author Ryan C. Gordon <icculus@icculus.org>
Wed, 29 Aug 2001 03:31:43 +0000
changeset 79 5dbb03944ef0
parent 70 203efbe2532e
child 100 d2f04ab4b412
permissions -rw-r--r--
Fixed base directory determination.
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/*
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 * Unix 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 (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 <ctype.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <dirent.h>
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#include <time.h>
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#include <errno.h>
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#include <mntent.h>
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#define __PHYSICSFS_INTERNAL__
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#include "physfs_internal.h"
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const char *__PHYSFS_platformDirSeparator = "/";
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char **__PHYSFS_platformDetectAvailableCDs(void)
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{
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    char **retval = (char **) malloc(sizeof (char *));
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    int cd_count = 1;  /* We count the NULL entry. */
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    FILE *mounts = NULL;
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    struct mntent *ent = NULL;
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    *retval = NULL;
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    mounts = setmntent("/etc/mtab", "r");
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    BAIL_IF_MACRO(mounts == NULL, ERR_IO_ERROR, retval);
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    while ( (ent = getmntent(mounts)) != NULL )
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    {
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        int add_it = 0;
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        if (strcmp(ent->mnt_type, "iso9660") == 0)
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            add_it = 1;
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        /* !!! other mount types? */
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        if (add_it)
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        {
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            char **tmp = realloc(retval, sizeof (char *) * cd_count + 1);
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            if (tmp)
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            {
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                retval = tmp;
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                retval[cd_count-1] = (char *) malloc(strlen(ent->mnt_dir) + 1);
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                if (retval[cd_count-1])
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                {
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                    strcpy(retval[cd_count-1], ent->mnt_dir);
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                    cd_count++;
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                } /* if */
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            } /* if */
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        } /* if */
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    } /* while */
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    endmntent(mounts);
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    retval[cd_count - 1] = NULL;
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    return(retval);
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} /* __PHYSFS_detectAvailableCDs */
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static char *copyEnvironmentVariable(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 = 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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} /* copyEnvironmentVariable */
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/* !!! this is ugly. */
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char *__PHYSFS_platformCalcBaseDir(const char *argv0)
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{
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    /* If there isn't a path on argv0, then look through the $PATH for it. */
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    char *retval = NULL;
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    char *envr;
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    char *start;
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    char *ptr;
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    char *exe;
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    if (strchr(argv0, '/') != NULL)   /* default behaviour can handle this. */
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        return(NULL);
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    envr = copyEnvironmentVariable("PATH");
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    BAIL_IF_MACRO(!envr, NULL, NULL);
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    start = envr;
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    do
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    {
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        ptr = strchr(start, ':');
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        if (ptr)
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            *ptr = '\0';
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        exe = (char *) malloc(strlen(start) + strlen(argv0) + 2);
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        if (!exe)
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        {
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            free(envr);
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            BAIL_IF_MACRO(1, ERR_OUT_OF_MEMORY, NULL);
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        } /* if */
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        strcpy(exe, start);
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        if (exe[strlen(exe) - 1] != '/')
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            strcat(exe, "/");
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   140
        strcat(exe, argv0);
23
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   141
        if (access(exe, X_OK) != 0)
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            free(exe);
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   143
        else
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   144
        {
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   145
            retval = exe;
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   146
            strcpy(retval, start);  /* i'm lazy. piss off. */
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   147
            break;
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   148
        } /* else */
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   149
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        start = ptr + 1;
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   151
    } while (ptr != NULL);
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   152
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   153
    free(envr);
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   154
    return(retval);
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   155
} /* __PHYSFS_platformCalcBaseDir */
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   156
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   157
20
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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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   163
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    pw = getpwuid(uid);
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   165
    if ((pw != NULL) && (pw->pw_name != NULL))
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   166
    {
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   167
        retval = malloc(strlen(pw->pw_name) + 1);
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   168
        if (retval != NULL)
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            strcpy(retval, pw->pw_name);
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    } /* if */
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   171
    
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    return(retval);
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   173
} /* getUserNameByUID */
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   174
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   175
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   176
static char *getUserDirByUID(void)
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{
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   178
    uid_t uid = getuid();
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   179
    struct passwd *pw;
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    char *retval = NULL;
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   181
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    pw = getpwuid(uid);
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   183
    if ((pw != NULL) && (pw->pw_dir != NULL))
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   184
    {
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   185
        retval = malloc(strlen(pw->pw_dir) + 1);
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diff changeset
   186
        if (retval != NULL)
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   187
            strcpy(retval, pw->pw_dir);
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diff changeset
   188
    } /* if */
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diff changeset
   189
    
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   190
    return(retval);
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   191
} /* getUserDirByUID */
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   192
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   193
17
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char *__PHYSFS_platformGetUserName(void)
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   195
{
20
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   196
    char *retval = getUserNameByUID();
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   197
    if (retval == NULL)
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   198
        retval = copyEnvironmentVariable("USER");
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   199
    return(retval);
17
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   200
} /* __PHYSFS_platformGetUserName */
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   201
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   202
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   203
char *__PHYSFS_platformGetUserDir(void)
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   204
{
20
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   205
    char *retval = copyEnvironmentVariable("HOME");
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   206
    if (retval == NULL)
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   207
        retval = getUserDirByUID();
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   208
    return(retval);
17
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   209
} /* __PHYSFS_platformGetUserDir */
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   210
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   211
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   212
int __PHYSFS_platformGetThreadID(void)
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   213
{
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   214
    return((int) pthread_self());
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   215
} /* __PHYSFS_platformGetThreadID */
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   216
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diff changeset
   217
20
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   218
/* -ansi and -pedantic flags prevent use of strcasecmp() on Linux. */
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int __PHYSFS_platformStricmp(const char *x, const char *y)
17
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   220
{
20
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   221
    int ux, uy;
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diff changeset
   222
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diff changeset
   223
    do
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diff changeset
   224
    {
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diff changeset
   225
        ux = toupper((int) *x);
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   226
        uy = toupper((int) *y);
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diff changeset
   227
        if (ux > uy)
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diff changeset
   228
            return(1);
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diff changeset
   229
        else if (ux < uy)
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diff changeset
   230
            return(-1);
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diff changeset
   231
        x++;
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diff changeset
   232
        y++;
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diff changeset
   233
    } while ((ux) && (uy));
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diff changeset
   234
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diff changeset
   235
    return(0);
17
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diff changeset
   236
} /* __PHYSFS_platformStricmp */
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   237
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diff changeset
   238
20
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   239
int __PHYSFS_platformExists(const char *fname)
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   240
{
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   241
    struct stat statbuf;
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   242
    return(stat(fname, &statbuf) == 0);
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diff changeset
   243
} /* __PHYSFS_platformExists */
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diff changeset
   244
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   245
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   246
int __PHYSFS_platformIsSymLink(const char *fname)
17
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diff changeset
   247
{
20
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diff changeset
   248
#if (defined __PHYSFS_NO_SYMLINKS__)
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diff changeset
   249
    return(0);
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diff changeset
   250
#else
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   251
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   252
    struct stat statbuf;
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   253
    int retval = 0;
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diff changeset
   254
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   255
    if (lstat(fname, &statbuf) == 0)
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diff changeset
   256
    {
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   257
        if (S_ISLNK(statbuf.st_mode))
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   258
            retval = 1;
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diff changeset
   259
    } /* if */
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   260
    
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diff changeset
   261
    return(retval);
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   262
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diff changeset
   263
#endif
17
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   264
} /* __PHYSFS_platformIsSymlink */
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   265
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   266
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   267
int __PHYSFS_platformIsDirectory(const char *fname)
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   268
{
20
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   269
    struct stat statbuf;
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   270
    int retval = 0;
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   271
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   272
    if (stat(fname, &statbuf) == 0)
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diff changeset
   273
    {
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   274
        if (S_ISDIR(statbuf.st_mode))
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diff changeset
   275
            retval = 1;
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diff changeset
   276
    } /* if */
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diff changeset
   277
    
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diff changeset
   278
    return(retval);
17
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diff changeset
   279
} /* __PHYSFS_platformIsDirectory */
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diff changeset
   280
7337737f5120 Moved from root source dir.
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diff changeset
   281
20
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diff changeset
   282
char *__PHYSFS_platformCvtToDependent(const char *prepend,
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diff changeset
   283
                                      const char *dirName,
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diff changeset
   284
                                      const char *append)
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diff changeset
   285
{
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diff changeset
   286
    int len = ((prepend) ? strlen(prepend) : 0) +
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diff changeset
   287
              ((append) ? strlen(append) : 0) +
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diff changeset
   288
              strlen(dirName) + 1;
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diff changeset
   289
    char *retval = malloc(len);
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diff changeset
   290
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diff changeset
   291
    BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
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parents: 17
diff changeset
   292
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diff changeset
   293
    /* platform-independent notation is Unix-style already.  :)  */
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parents: 17
diff changeset
   294
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   295
    if (prepend)
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parents: 17
diff changeset
   296
        strcpy(retval, prepend);
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   297
    else
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diff changeset
   298
        retval[0] = '\0';
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   299
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   300
    strcat(retval, dirName);
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   301
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   302
    if (append)
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   303
        strcat(retval, append);
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   304
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   305
    return(retval);
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   306
} /* __PHYSFS_platformCvtToDependent */
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   307
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   308
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   309
/* Much like my college days, try to sleep for 10 milliseconds at a time... */
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diff changeset
   310
void __PHYSFS_platformTimeslice(void)
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   311
{
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   312
    struct timespec napTime;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   313
    napTime.tv_sec = 0;
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   314
    napTime.tv_nsec = 10 * 1000 * 1000;  /* specified in nanoseconds. */
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   315
    nanosleep(&napTime, NULL);           /* don't care if it fails. */
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Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   316
} /* __PHYSFS_platformTimeslice */
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parents: 17
diff changeset
   317
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   318
41
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   319
LinkedStringList *__PHYSFS_platformEnumerateFiles(const char *dirname,
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   320
                                                  int omitSymLinks)
20
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   321
{
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   322
    LinkedStringList *retval = NULL;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   323
    LinkedStringList *l = NULL;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   324
    LinkedStringList *prev = NULL;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   325
    DIR *dir;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   326
    struct dirent *ent;
41
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   327
    int bufsize = 0;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   328
    char *buf = NULL;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   329
    int dlen = 0;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   330
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   331
    if (omitSymLinks)
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   332
    {
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   333
        dlen = strlen(dirname);
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   334
        bufsize = dlen + 256;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   335
        buf = malloc(bufsize);
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   336
        BAIL_IF_MACRO(buf == NULL, ERR_OUT_OF_MEMORY, NULL);
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   337
        strcpy(buf, dirname);
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   338
        if (buf[dlen - 1] != '/')
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   339
        {
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   340
            buf[dlen++] = '/';
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   341
            buf[dlen] = '\0';
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   342
        } /* if */
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   343
    } /* if */
20
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   344
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   345
    errno = 0;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   346
    dir = opendir(dirname);
41
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   347
    if (dir == NULL)
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   348
    {
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   349
        if (buf != NULL)
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   350
            free(buf);
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   351
        BAIL_IF_MACRO(1, strerror(errno), NULL);
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   352
    } /* if */
20
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   353
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   354
    while (1)
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   355
    {
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   356
        ent = readdir(dir);
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   357
        if (ent == NULL)   /* we're done. */
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   358
            break;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   359
39
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   360
        if (strcmp(ent->d_name, ".") == 0)
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   361
            continue;
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   362
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   363
        if (strcmp(ent->d_name, "..") == 0)
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   364
            continue;
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   365
41
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   366
        if (omitSymLinks)
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   367
        {
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   368
            char *p;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   369
            int len = strlen(ent->d_name) + dlen + 1;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   370
            if (len > bufsize)
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   371
            {
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   372
                p = realloc(buf, len);
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   373
                if (p == NULL)
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   374
                    continue;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   375
                buf = p;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   376
                bufsize = len;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   377
            } /* if */
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   378
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   379
            strcpy(buf + dlen, ent->d_name);
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   380
            if (__PHYSFS_platformIsSymLink(buf))
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   381
                continue;
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   382
        } /* if */
ff60d39d0862 Architecture adjustment for enumerating files with regards to whether
Ryan C. Gordon <icculus@icculus.org>
parents: 39
diff changeset
   383
20
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   384
        l = (LinkedStringList *) malloc(sizeof (LinkedStringList));
39
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   385
        if (l == NULL)
20
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   386
            break;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   387
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   388
        l->str = (char *) malloc(strlen(ent->d_name) + 1);
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   389
        if (l->str == NULL)
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   390
        {
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   391
            free(l);
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   392
            break;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   393
        } /* if */
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   394
39
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   395
        strcpy(l->str, ent->d_name);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   396
20
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   397
        if (retval == NULL)
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   398
            retval = l;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   399
        else
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   400
            prev->next = l;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   401
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   402
        prev = l;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   403
        l->next = NULL;
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   404
    } /* while */
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   405
67
5000499d4ee2 Fixed a potential free()ing of a NULL pointer in
Ryan C. Gordon <icculus@icculus.org>
parents: 63
diff changeset
   406
    if (buf != NULL)
5000499d4ee2 Fixed a potential free()ing of a NULL pointer in
Ryan C. Gordon <icculus@icculus.org>
parents: 63
diff changeset
   407
        free(buf);
5000499d4ee2 Fixed a potential free()ing of a NULL pointer in
Ryan C. Gordon <icculus@icculus.org>
parents: 63
diff changeset
   408
20
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   409
    closedir(dir);
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   410
    return(retval);
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   411
} /* __PHYSFS_platformEnumerateFiles */
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   412
efdde0d21521 Implementation compiles and links with no actual archive support. No test
Ryan C. Gordon <icculus@icculus.org>
parents: 17
diff changeset
   413
28
529214f57d1b Added PHYSFS_fileLength(). Bleh.
Ryan C. Gordon <icculus@icculus.org>
parents: 23
diff changeset
   414
int __PHYSFS_platformFileLength(FILE *handle)
529214f57d1b Added PHYSFS_fileLength(). Bleh.
Ryan C. Gordon <icculus@icculus.org>
parents: 23
diff changeset
   415
{
529214f57d1b Added PHYSFS_fileLength(). Bleh.
Ryan C. Gordon <icculus@icculus.org>
parents: 23
diff changeset
   416
    struct stat statbuf;
529214f57d1b Added PHYSFS_fileLength(). Bleh.
Ryan C. Gordon <icculus@icculus.org>
parents: 23
diff changeset
   417
    errno = 0;
529214f57d1b Added PHYSFS_fileLength(). Bleh.
Ryan C. Gordon <icculus@icculus.org>
parents: 23
diff changeset
   418
    BAIL_IF_MACRO(fstat(fileno(handle), &statbuf) == -1, strerror(errno), -1);
529214f57d1b Added PHYSFS_fileLength(). Bleh.
Ryan C. Gordon <icculus@icculus.org>
parents: 23
diff changeset
   419
    return(statbuf.st_size);
529214f57d1b Added PHYSFS_fileLength(). Bleh.
Ryan C. Gordon <icculus@icculus.org>
parents: 23
diff changeset
   420
} /* __PHYSFS_platformFileLength */
529214f57d1b Added PHYSFS_fileLength(). Bleh.
Ryan C. Gordon <icculus@icculus.org>
parents: 23
diff changeset
   421
529214f57d1b Added PHYSFS_fileLength(). Bleh.
Ryan C. Gordon <icculus@icculus.org>
parents: 23
diff changeset
   422
39
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   423
char *__PHYSFS_platformCurrentDir(void)
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   424
{
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   425
    int allocSize = 0;
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   426
    char *retval = NULL;
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   427
    char *ptr;
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   428
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   429
    do
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   430
    {
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   431
        allocSize += 100;
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   432
        ptr = (char *) realloc(retval, allocSize);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   433
        if (ptr == NULL)
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   434
        {
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   435
            if (retval != NULL)
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   436
                free(retval);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   437
            BAIL_IF_MACRO(1, ERR_OUT_OF_MEMORY, NULL);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   438
        } /* if */
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   439
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   440
        retval = ptr;
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   441
        ptr = getcwd(retval, allocSize);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   442
    } while (ptr == NULL);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   443
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   444
    return(retval);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   445
} /* __PHYSFS_platformCurrentDir */
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   446
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   447
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   448
char *__PHYSFS_platformRealPath(const char *path)
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   449
{
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   450
    char resolved_path[MAXPATHLEN];
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   451
    char *retval = NULL;
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   452
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   453
    errno = 0;
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   454
    BAIL_IF_MACRO(!realpath(path, resolved_path), strerror(errno), NULL);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   455
    retval = malloc(strlen(resolved_path) + 1);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   456
    BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   457
    strcpy(retval, resolved_path);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   458
    return(retval);
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   459
} /* __PHYSFS_platformRealPath */
bc29e1ee7ef6 Lots of bugfixes, enhancements, and corrections due to the work on
Ryan C. Gordon <icculus@icculus.org>
parents: 28
diff changeset
   460
69
546a95cc5591 Updates, corrections and enhancements to get this ported to win32.
Ryan C. Gordon <icculus@icculus.org>
parents: 67
diff changeset
   461
546a95cc5591 Updates, corrections and enhancements to get this ported to win32.
Ryan C. Gordon <icculus@icculus.org>
parents: 67
diff changeset
   462
int __PHYSFS_platformMkDir(const char *path)
546a95cc5591 Updates, corrections and enhancements to get this ported to win32.
Ryan C. Gordon <icculus@icculus.org>
parents: 67
diff changeset
   463
{
70
203efbe2532e Whoops. Forgot to declare a variable.
Ryan C. Gordon <icculus@icculus.org>
parents: 69
diff changeset
   464
    int rc;
69
546a95cc5591 Updates, corrections and enhancements to get this ported to win32.
Ryan C. Gordon <icculus@icculus.org>
parents: 67
diff changeset
   465
    errno = 0;
546a95cc5591 Updates, corrections and enhancements to get this ported to win32.
Ryan C. Gordon <icculus@icculus.org>
parents: 67
diff changeset
   466
    rc = mkdir(path, S_IRWXU);
546a95cc5591 Updates, corrections and enhancements to get this ported to win32.
Ryan C. Gordon <icculus@icculus.org>
parents: 67
diff changeset
   467
    BAIL_IF_MACRO(rc == -1, strerror(errno), 0);
546a95cc5591 Updates, corrections and enhancements to get this ported to win32.
Ryan C. Gordon <icculus@icculus.org>
parents: 67
diff changeset
   468
    return(1);
546a95cc5591 Updates, corrections and enhancements to get this ported to win32.
Ryan C. Gordon <icculus@icculus.org>
parents: 67
diff changeset
   469
} /* __PHYSFS_platformMkDir */
546a95cc5591 Updates, corrections and enhancements to get this ported to win32.
Ryan C. Gordon <icculus@icculus.org>
parents: 67
diff changeset
   470
17
7337737f5120 Moved from root source dir.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   471
/* end of unix.c ... */
7337737f5120 Moved from root source dir.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   472