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| author | Mattias Andrée <maandree@kth.se> | 2018-10-21 18:42:37 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2018-10-21 18:42:56 +0200 |
| commit | a257b6a63a695c7a818590563640d5b1f018ea21 (patch) | |
| tree | c639004608c84478ad6f8bcdaac713585ec848f3 /memcasechr.c | |
| parent | Add rawmemrcasechr (diff) | |
| download | libsimple-a257b6a63a695c7a818590563640d5b1f018ea21.tar.gz libsimple-a257b6a63a695c7a818590563640d5b1f018ea21.tar.bz2 libsimple-a257b6a63a695c7a818590563640d5b1f018ea21.tar.xz | |
Add memcasechr
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
| -rw-r--r-- | memcasechr.c | 35 |
1 files changed, 35 insertions, 0 deletions
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 |