/*
* normalize: normalize path name
*
* i) path path name
* i) root root of project (must be end with a '/')
* i) cwd current directory
* o) result normalized path name
* i) size size of the result
* r) ==NULL: error
* !=NULL: result
*/
char *
normalize(const char *path, const char *root, const char *cwd, char *result, const int size)
{
char *p, abs[MAXPATHLEN];
if (normalize_pathname(path, result, size) == NULL)
goto toolong;
if (isabspath(path)) {
if (strlen(result) > MAXPATHLEN)
goto toolong;
strcpy(abs, result);
} else {
if (rel2abs(result, cwd, abs, sizeof(abs)) == NULL)
goto toolong;
}
/*
* Remove the root part of path and insert './'.
* rootdir /a/b/
* path /a/b/c/d.c -> c/d.c -> ./c/d.c
*/
p = locatestring(abs, root, MATCH_AT_FIRST);
if (p == NULL)
return NULL;
strlimcpy(result, "./", size);
strlimcpy(result + 2, p, size - 2);
return result;
toolong:
die("path name is too long.");
}
// able to store a string of PATH_MAX length.
char *full_gamedir_path(const char *path, char *fullpath) {
char buf[PATH_MAX];
// Build pathname from filename, plus gamedir if relative path.
if(is_absolute_path(path))
STRNCPY(buf, path, sizeof(buf));
else
snprintf(buf, sizeof(buf), "%s/%s", GameDLL.gamedir, path);
// Remove relative path components, if possible.
if(!realpath(buf, fullpath)) {
META_DEBUG(4, ("Unable to get realpath for '%s': %s", buf,
str_os_error()));
STRNCPY(fullpath, path, PATH_MAX);
}
// Replace backslashes, etc.
normalize_pathname(fullpath);
return(fullpath);
}
/**
* @details
* normalize: normalize path name
*
* @param[in] path path name
* @param[in] root root of project (@STRONG{must be end with a '/'})
* @param[in] cwd current directory
* @param[out] result normalized path name
* @param[in] size size of the @a result
* @return ==NULL: error <br>
* !=NULL: @a result
*
* @note Calls die() if the result path name is too long (#MAXPATHLEN).
*/
char *
normalize(const char *path, const char *root, const char *cwd, char *result, const int size)
{
char *p, abs[MAXPATHLEN];
if (normalize_pathname(path, result, size) == NULL)
goto toolong;
if (isabspath(path)) {
if (strlen(result) > MAXPATHLEN)
goto toolong;
strcpy(abs, result);
} else {
if (rel2abs(result, cwd, abs, sizeof(abs)) == NULL)
goto toolong;
}
/*
* Remove the root part of path and insert './'.
* rootdir /a/b/
* path /a/b/c/d.c -> c/d.c -> ./c/d.c
*/
p = locatestring(abs, root, MATCH_AT_FIRST);
if (p == NULL) {
p = locatestring(root, abs, MATCH_AT_FIRST);
/*
* abs == /usr/src should be considered to be equal to root == /usr/src/.
*/
if (p && !strcmp(p, "/"))
result[0] = '\0';
else
return NULL;
}
strlimcpy(result, "./", size);
strlimcpy(result + 2, p, size - 2);
return result;
toolong:
die("path name is too long.");
}
