From 6099ce5acfaffc60fd832723a142e3d2719dae8c Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sun, 21 Oct 2018 18:25:16 +0200 Subject: Add rawmemrcasechr MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- rawmemrcasechr.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 rawmemrcasechr.c (limited to 'rawmemrcasechr.c') diff --git a/rawmemrcasechr.c b/rawmemrcasechr.c new file mode 100644 index 0000000..68c5645 --- /dev/null +++ b/rawmemrcasechr.c @@ -0,0 +1,33 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" +#ifndef TEST + + +void * +libsimple_rawmemrcasechr(const void *s_, int c, size_t n) +{ + char *s = *(char **)(void *)&s_; + c = tolower(c); + while (--n, tolower(s[n]) != c); + return &s[n]; +} + + +#else +#include "test.h" + +int +main(void) +{ + assert(!strcmpnul(libsimple_rawmemrcasechr("abcABCabcABC", 'a', sizeof("abcABCabcABC") - 1), "ABC")); + assert(!strcmpnul(libsimple_rawmemrcasechr("abcABCabcABC", 'c', sizeof("abcABCabcABC") - 1), "C")); + assert(!strcmpnul(libsimple_rawmemrcasechr("abcABCabcABC", 'A', sizeof("abcABCabcABC") - 1), "ABC")); + assert(!strcmpnul(libsimple_rawmemrcasechr("abcABCabcABC", 'C', sizeof("abcABCabcABC") - 1), "C")); + assert(!strcmpnul(libsimple_rawmemrcasechr("ABCabcABCabc", 'a', sizeof("ABCabcABCabc") - 1), "abc")); + assert(!strcmpnul(libsimple_rawmemrcasechr("ABCabcABCabc", 'c', sizeof("ABCabcABCabc") - 1), "c")); + assert(!strcmpnul(libsimple_rawmemrcasechr("ABCabcABCabc", 'A', sizeof("ABCabcABCabc") - 1), "abc")); + assert(!strcmpnul(libsimple_rawmemrcasechr("ABCabcABCabc", 'C', sizeof("ABCabcABCabc") - 1), "c")); + return 0; +} + +#endif -- cgit v1.2.3-70-g09d2