diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/util.c | 62 | ||||
| -rw-r--r-- | src/util.h | 3 |
2 files changed, 65 insertions, 0 deletions
diff --git a/src/util.c b/src/util.c index 80829e69e..3184a3abd 100644 --- a/src/util.c +++ b/src/util.c @@ -59,3 +59,65 @@ int git__suffixcmp(const char *str, const char *suffix) return -1; return strcmp(str + (a - b), suffix); } + +int git__dirname(char *dir, size_t n, char *path) +{ + char *s; + int len; + + assert(dir && n > 1); + + if (!path || !*path || !(s = strrchr(path, '/'))) { + strcpy(dir, "."); + return 1; + } + + if (s == path) { /* "/[aaa]" */ + strcpy(dir, "/"); + return 1; + } + + if ((len = s - path) >= n) + return GIT_ERROR; + + memcpy(dir, path, len); + dir[len] = '\0'; + + return len; +} + +int git__basename(char *base, size_t n, char *path) +{ + char *s; + int len; + + assert(base && n > 1); + + if (!path || !*path) { + strcpy(base, "."); + return 1; + } + len = strlen(path); + + if (!(s = strrchr(path, '/'))) { + if (len >= n) + return GIT_ERROR; + strcpy(base, path); + return len; + } + + if (s == path && len == 1) { /* "/" */ + strcpy(base, "/"); + return 1; + } + + len -= s - path; + if (len >= n) + return GIT_ERROR; + + memcpy(base, s+1, len); + base[len] = '\0'; + + return len; +} + diff --git a/src/util.h b/src/util.h index 8f0c4b543..3f541ffa6 100644 --- a/src/util.h +++ b/src/util.h @@ -31,6 +31,9 @@ extern int git__fmt(char *, size_t, const char *, ...) extern int git__prefixcmp(const char *str, const char *prefix); extern int git__suffixcmp(const char *str, const char *suffix); +extern int git__dirname(char *dir, size_t n, char *path); +extern int git__basename(char *base, size_t n, char *path); + /** @return true if p fits into the range of a size_t */ GIT_INLINE(int) git__is_sizet(off_t p) { |
