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Fix call to `realpath` in `posix.c`

This commit is contained in:
Michał Janiszewski 2016-12-01 14:33:23 +01:00 committed by GitHub
parent 15a6575346
commit e7254ca708
1 changed files with 8 additions and 1 deletions
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9
src/platform/posix.c
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@ -699,9 +699,16 @@ void platform_get_openrct_data_path(utf8 *outPath, size_t outSize)
void platform_resolve_openrct_data_path()
{
if (gCustomOpenrctDataPath[0] != 0) {
if (realpath(gCustomOpenrctDataPath, _openrctDataDirectoryPath) == NULL) {
// NOTE: second argument to `realpath` is meant to either be NULL or `PATH_MAX`-sized buffer,
// since our `MAX_PATH` macro is set to some other value, pass NULL to have `realpath` return
// a `malloc`ed buffer.
char *resolved_path = realpath(gCustomOpenrctDataPath, NULL);
if (resolved_path == NULL) {
log_error("Could not resolve path \"%s\", errno = %d", gCustomOpenrctDataPath, errno);
return;
} else {
safe_strcpy(_openrctDataDirectoryPath, resolved_path, MAX_PATH);
free(resolved_path);
}
path_end_with_separator(_openrctDataDirectoryPath, MAX_PATH);