From a257b6a63a695c7a818590563640d5b1f018ea21 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sun, 21 Oct 2018 18:42:37 +0200 Subject: Add memcasechr MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- memcasechr.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 memcasechr.c (limited to 'memcasechr.c') diff --git a/memcasechr.c b/memcasechr.c new file mode 100644 index 0000000..4277849 --- /dev/null +++ b/memcasechr.c @@ -0,0 +1,35 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" +#ifndef TEST + + +void * +libsimple_memcasechr(const void *s_, int c, size_t n) +{ + char *s = *(char **)(void *)&s_; + size_t i = 0; + c = tolower(c); + for (; i < n && tolower(s[i]) != c; i++); + return i < n ? &s[i] : NULL; +} + + +#else +#include "test.h" + +int +main(void) +{ + assert(!strcmpnul(libsimple_memcasechr("abcABCabcABC", 'a', sizeof("abcABCabcABC") - 1), "abcABCabcABC")); + assert(!strcmpnul(libsimple_memcasechr("abcABCabcABC", 'c', sizeof("abcABCabcABC") - 1), "cABCabcABC")); + assert(!strcmpnul(libsimple_memcasechr("abcABCabcABC", 'A', sizeof("abcABCabcABC") - 1), "abcABCabcABC")); + assert(!strcmpnul(libsimple_memcasechr("abcABCabcABC", 'C', sizeof("abcABCabcABC") - 1), "cABCabcABC")); + assert(!strcmpnul(libsimple_memcasechr("ABCabcABCabc", 'a', sizeof("ABCabcABCabc") - 1), "ABCabcABCabc")); + assert(!strcmpnul(libsimple_memcasechr("ABCabcABCabc", 'c', sizeof("ABCabcABCabc") - 1), "CabcABCabc")); + assert(!strcmpnul(libsimple_memcasechr("ABCabcABCabc", 'A', sizeof("ABCabcABCabc") - 1), "ABCabcABCabc")); + assert(!strcmpnul(libsimple_memcasechr("ABCabcABCabc", 'C', sizeof("ABCabcABCabc") - 1), "CabcABCabc")); + assert(!libsimple_memcasechr("abcABCabcABC", 'x', sizeof("abcABCabcABC") - 1)); + return 0; +} + +#endif -- cgit v1.2.3-70-g09d2