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| author | Mattias Andrée <maandree@kth.se> | 2018-10-21 11:59:01 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2018-10-21 11:59:01 +0200 |
| commit | 167ddc64a60bf8360ef67c675b97a517dc0e85d1 (patch) | |
| tree | 52cd6c2977f86668dab82ef90cb979c8869c07e5 /strrcasechr.c | |
| parent | Add strcasechr and strcasechrnul (diff) | |
| download | libsimple-167ddc64a60bf8360ef67c675b97a517dc0e85d1.tar.gz libsimple-167ddc64a60bf8360ef67c675b97a517dc0e85d1.tar.bz2 libsimple-167ddc64a60bf8360ef67c675b97a517dc0e85d1.tar.xz | |
Add strrcasechr
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'strrcasechr.c')
| -rw-r--r-- | strrcasechr.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/strrcasechr.c b/strrcasechr.c new file mode 100644 index 0000000..979e61b --- /dev/null +++ b/strrcasechr.c @@ -0,0 +1,46 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" +#ifndef TEST + + +char * +libsimple_strrcasechr(const char *s_, int c) +{ + char *s = *(char **)(void *)&s_, lc = (char)tolower(c), uc = (char)toupper(c), *r = NULL; + if (lc != uc) { + for (; *s; s++) + if (*s == lc || *s == uc) + r = s; + } else { + for (; *s; s++) + if (*s == lc) + r = s; + } + return r; +} + + +#else +#include "test.h" + +int +main(void) +{ + assert(!strcmpnul(libsimple_strrcasechr("abcABCabcABCx123123", 'c'), "Cx123123")); + assert(!strcmpnul(libsimple_strrcasechr("abcABCabcABCx123123", 'a'), "ABCx123123")); + assert(!strcmpnul(libsimple_strrcasechr("abcABCabcABCx123123", 'x'), "x123123")); + assert(!strcmpnul(libsimple_strrcasechr("abcABCabcABCx123123", 'C'), "Cx123123")); + assert(!strcmpnul(libsimple_strrcasechr("abcABCabcABCx123123", 'A'), "ABCx123123")); + assert(!strcmpnul(libsimple_strrcasechr("abcABCabcABCx123123", 'X'), "x123123")); + assert(!strcmpnul(libsimple_strrcasechr("ABCabcABCabcX123123", 'c'), "cX123123")); + assert(!strcmpnul(libsimple_strrcasechr("ABCabcABCabcX123123", 'a'), "abcX123123")); + assert(!strcmpnul(libsimple_strrcasechr("ABCabcABCabcX123123", 'x'), "X123123")); + assert(!strcmpnul(libsimple_strrcasechr("ABCabcABCabcX123123", 'C'), "cX123123")); + assert(!strcmpnul(libsimple_strrcasechr("ABCabcABCabcX123123", 'A'), "abcX123123")); + assert(!strcmpnul(libsimple_strrcasechr("ABCabcABCabcX123123", 'X'), "X123123")); + assert(!libsimple_strrcasechr("ABCabcABCabcX123123", '0')); + assert(!strcmpnul(libsimple_strrcasechr("ABCabcABCabcX123123", '1'), "123")); + return 0; +} + +#endif |