diff options
Diffstat (limited to 'src/shared/path-util.h')
| -rw-r--r-- | src/shared/path-util.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/shared/path-util.h b/src/shared/path-util.h index 03f2cf273c..0a42de7e27 100644 --- a/src/shared/path-util.h +++ b/src/shared/path-util.h @@ -52,5 +52,12 @@ int path_is_os_tree(const char *path); int find_binary(const char *name, char **filename); +/* Iterates through the path prefixes of the specified path, going up + * the tree, to root. Also returns "" (and not "/"!) for the root + * directory. Excludes the specified directory itself */ #define PATH_FOREACH_PREFIX(prefix, path) \ - for (char *_slash = strrchr(path_kill_slashes(strcpy(prefix, path)), '/'); _slash && !(*_slash = 0); _slash = strrchr((prefix), '/')) + for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); streq(prefix, "/") ? NULL : strrchr(prefix, '/'); }); _slash && !(*_slash = 0); _slash = strrchr((prefix), '/')) + +/* Same as PATH_FOREACH_PREFIX but also includes the specified path itself */ +#define PATH_FOREACH_PREFIX_MORE(prefix, path) \ + for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); if (streq(prefix, "/")) prefix[0] = 0; strrchr(prefix, 0); }); _slash && !(*_slash = 0); _slash = strrchr((prefix), '/')) |