diff options
| -rw-r--r-- | git-compat-util.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index e6a4159a2..4c451b575 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -350,6 +350,33 @@ static inline const char *skip_prefix(const char *str, const char *prefix) return NULL; } +/* + * If buf ends with suffix, return 1 and subtract the length of the suffix + * from *len. Otherwise, return 0 and leave *len untouched. + */ +static inline int strip_suffix_mem(const char *buf, size_t *len, + const char *suffix) +{ + size_t suflen = strlen(suffix); + if (*len < suflen || memcmp(buf + (*len - suflen), suffix, suflen)) + return 0; + *len -= suflen; + return 1; +} + +/* + * If str ends with suffix, return 1 and set *len to the size of the string + * without the suffix. Otherwise, return 0 and set *len to the size of the + * string. + * + * Note that we do _not_ NUL-terminate str to the new length. + */ +static inline int strip_suffix(const char *str, const char *suffix, size_t *len) +{ + *len = strlen(str); + return strip_suffix_mem(str, len, suffix); +} + #if defined(NO_MMAP) || defined(USE_WIN32_MMAP) #ifndef PROT_READ |