static void set_game_filename(const char *name)
{
n_free(game_filename);
game_filename = 0;
#if defined(_GNU_SOURCE)
game_filename = canonicalize_file_name(name);
#else
#if defined(_BSD_SOURCE) || defined(_XOPEN_SOURCE)
game_filename = (char *) n_malloc(PATH_MAX);
if(!realpath(name, game_filename)) {
n_free(game_filename);
game_filename = 0;
}
#else
#ifdef __DJGPP__
game_filename = (char *) n_malloc(FILENAME_MAX);
_fixpath(name, game_filename);
#endif
#endif
#endif
if(!game_filename)
game_filename = n_strdup(name);
}
int os_get_abs_filename(char *buf, size_t buflen, const char *filename)
{
char tmp[FILENAME_MAX];
char *p;
/* if the filename is empty, use "." */
if (filename[0] == '\0')
filename = ".";
/* "fix" the path - this expands the filename to an absolute path */
_fixpath(filename, tmp);
/* ...it also changes \ to /, so undo that to keep things in DOS format */
for (p = tmp ; *p != '\0' ; ++p)
{
if (*p == '/')
*p = '\\';
}
/* if the result fits the buffer, send it back, otherwise fail */
if (strlen(tmp) < buflen)
{
strcpy(buf, tmp);
return TRUE;
}
else
return FALSE;
}
char* expand_path( const char *src, char *dest )
{
#ifdef _TARGET_UNIX_
realpath( src, dest);
#endif
#ifdef _TARGET_GO32_
_fixpath( src, dest );
#endif
return dest;
}
/**
* realpath: get the complete path
*/
char *
realpath(const char *in_path, char *out_path)
{
#ifdef __DJGPP__
/*
* I don't use _fixpath or _truename in LFN because neither guarantee
* a complete long name. This is mainly DOS's fault, since the cwd can
* be a mixture of long and short components.
*/
if (_USE_LFN) {
strlimcpy(out_path, in_path, MAXPATHLEN);
canonpath(out_path);
} else
_fixpath(in_path, out_path);
#else
_fullpath(out_path, in_path, MAXPATHLEN);
canonpath(out_path);
#endif
return out_path;
}
int
stat(const char *path, struct stat *buf)
{
static int stat_called_before = 0;
char p[1090]; /* Should be p[PATH_MAX+1] */
int status;
/* Normalize the path */
_fixpath(path, p);
/* Work around strange bug with stat and time */
if (!stat_called_before)
{
stat_called_before = 1;
(void) time((time_t *) 0);
}
/* Check for root path */
if (strcmp(p, "/") == 0 || strcmp(p + 1, ":/") == 0)
{
/* Handle root path as special case, stat_assist doesn't like
the root directory. */
if (p[1] == ':')
{
if (p[0] >= 'a' && p[0] <= 'z')
buf->st_dev = p[0] - 'a';
else
buf->st_dev = p[0] - 'A';
}
else
buf->st_dev = -1; /* No device? */
buf->st_ino = 2; /* Root path always inode 2 */
buf->st_mode = S_IFDIR | S_IREAD | S_IWRITE | S_IEXEC;
buf->st_nlink = 1;
buf->st_uid = getuid();
buf->st_gid = getgid();
buf->st_rdev = buf->st_dev;
buf->st_size = 0;
buf->st_atime = 0;
buf->st_mtime = 0;
buf->st_ctime = 0;
buf->st_blksize = 512; /* Not always correct? */
status = 0;
}
else
{
status = _stat_assist(p, buf);
/* Make inode numbers unique */
if (status == 0) status = fixinode(p, buf);
/* The stat_assist does something weird with st_dev, but sets
st_rdev to the drive number. Fix st_dev. */
buf->st_dev = buf->st_rdev;
/* Make all files owned by ourself. */
buf->st_uid = getuid();
buf->st_gid = getgid();
/* Make all directories writable. They always are in DOS, but
stat_assist doesn't think so. */
if (S_ISDIR(buf->st_mode)) buf->st_mode |= S_IWRITE;
}
return status;
}
