From 5f5e216a4abae6860f40c6bedd37db275dbb92d0 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sun, 21 Oct 2018 15:38:00 +0200 Subject: Add rawmemcasechr and memrcasechr MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- memrcasechr.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 memrcasechr.c (limited to 'memrcasechr.c') diff --git a/memrcasechr.c b/memrcasechr.c new file mode 100644 index 0000000..e4fe52a --- /dev/null +++ b/memrcasechr.c @@ -0,0 +1,35 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" +#ifndef TEST + + +void * +libsimple_memrcasechr(const void *s_, int c, size_t n_) +{ + char *s = *(char **)(void *)&s_; + ssize_t n = n_; + c = tolower(c); + while (n-- && tolower(s[n]) != c); + return n < 0 ? NULL : &s[n]; +} + + +#else +#include "test.h" + +int +main(void) +{ + assert(!strcmpnul(libsimple_memrcasechr("abcABCabcABC", 'a', sizeof("abcABCabcABC") - 1), "ABC")); + assert(!strcmpnul(libsimple_memrcasechr("abcABCabcABC", 'c', sizeof("abcABCabcABC") - 1), "C")); + assert(!strcmpnul(libsimple_memrcasechr("abcABCabcABC", 'A', sizeof("abcABCabcABC") - 1), "ABC")); + assert(!strcmpnul(libsimple_memrcasechr("abcABCabcABC", 'C', sizeof("abcABCabcABC") - 1), "C")); + assert(!strcmpnul(libsimple_memrcasechr("ABCabcABCabc", 'a', sizeof("ABCabcABCabc") - 1), "abc")); + assert(!strcmpnul(libsimple_memrcasechr("ABCabcABCabc", 'c', sizeof("ABCabcABCabc") - 1), "c")); + assert(!strcmpnul(libsimple_memrcasechr("ABCabcABCabc", 'A', sizeof("ABCabcABCabc") - 1), "abc")); + assert(!strcmpnul(libsimple_memrcasechr("ABCabcABCabc", 'C', sizeof("ABCabcABCabc") - 1), "c")); + assert(!libsimple_memrcasechr("abcABCabcABC", 'x', sizeof("abcABCabcABC") - 1)); + return 0; +} + +#endif -- cgit v1.2.3-70-g09d2