From 0b83d7495c9a59009670fa69362887c8b367b736 Mon Sep 17 00:00:00 2001 From: LAN-TW Date: Wed, 15 Jan 2014 01:41:00 +0800 Subject: Add lbs_str_has_prefix to check string prefix --- l4str.c | 16 ++++++++++++++++ l4str.h | 1 + 2 files changed, 17 insertions(+) diff --git a/l4str.c b/l4str.c index 83cecae..4324056 100644 --- a/l4str.c +++ b/l4str.c @@ -7,6 +7,22 @@ #include #include +bool lbs_str_has_prefix (const char* str, const char* prefix) { + int i; + for (i = 0; str[i] != '\0' && prefix[i] != '\0'; i++) { + if (str[i] != prefix[i]) { + return false; + } + } + if (str[i] == '\0' && prefix[i] == '\0') { + return true; + } + if (str[i] == '\0') { + return false; + } + return true; +} + bool lbs_str_has_suffix (const char* str, const char* suffix) { size_t len = strlen (str); size_t suflen = strlen (suffix); diff --git a/l4str.h b/l4str.h index b041e22..a926798 100644 --- a/l4str.h +++ b/l4str.h @@ -8,6 +8,7 @@ #define LBS_STR_STATIC_STRLEN(x) (sizeof(x)/sizeof(char) - 1) #define LBS_STR_ARRAY_LEN(x,t) (sizeof(x)/sizeof(t)) +bool lbs_str_has_prefix (const char* str, const char* prefix); bool lbs_str_has_suffix (const char* str, const char* suffix); char* lbs_str_printf (const char* format, ...); char* lbs_str_vprintf (const char* format, va_list ap); -- cgit v1.2.3