diff options
Diffstat (limited to 'utils/utils.c')
-rw-r--r-- | utils/utils.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/utils/utils.c b/utils/utils.c index 1db7f18b9..fca35ab21 100644 --- a/utils/utils.c +++ b/utils/utils.c @@ -214,3 +214,24 @@ const char *rfc1123_date(time_t t) return ret; } + +/** + * Case insensitive strstr implementation + * + * \param haystack String to search in + * \param needle String to look for + * \return Pointer to start of found substring, or NULL if not found + */ +char *strcasestr(const char *haystack, const char *needle) +{ + size_t needle_len = strlen(needle); + const char * last_start = haystack + (strlen(haystack) - needle_len); + + while (haystack <= last_start) { + if (strncasecmp(haystack, needle, needle_len) == 0) + return (char *)haystack; + haystack++; + } + + return NULL; +} |