diff options
Diffstat (limited to 'src/shared/util.c')
| -rw-r--r-- | src/shared/util.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/src/shared/util.c b/src/shared/util.c index 4c30a98318..e2c955bc07 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -140,26 +140,38 @@ char* endswith(const char *s, const char *postfix) { return (char*) s + sl - pl; } -bool first_word(const char *s, const char *word) { +char* first_word(const char *s, const char *word) { size_t sl, wl; + const char *p; assert(s); assert(word); + /* Checks if the string starts with the specified word, either + * followed by NUL or by whitespace. Returns a pointer to the + * NUL or the first character after the whitespace. */ + sl = strlen(s); wl = strlen(word); if (sl < wl) - return false; + return NULL; if (wl == 0) - return true; + return (char*) s; if (memcmp(s, word, wl) != 0) - return false; + return NULL; + + p = s + wl; + if (*p == 0) + return (char*) p; + + if (!strchr(WHITESPACE, *p)) + return NULL; - return s[wl] == 0 || - strchr(WHITESPACE, s[wl]); + p += strspn(p, WHITESPACE); + return (char*) p; } int close_nointr(int fd) { |