From e8a7e1c358caec60751460d337f634ff6957ff9d Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Mon, 19 Nov 2018 21:39:11 +0100 Subject: Add a bunch of function and macros MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- strnchrnul_inv.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 strnchrnul_inv.c (limited to 'strnchrnul_inv.c') diff --git a/strnchrnul_inv.c b/strnchrnul_inv.c new file mode 100644 index 0000000..142b9c7 --- /dev/null +++ b/strnchrnul_inv.c @@ -0,0 +1,54 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" +#ifndef TEST + + +char * +libsimple_strnchrnul_inv(const char *s_, int c_, size_t n) /* TODO man */ +{ + char *s = *(char **)(void *)&s_, c = (char)c_; + char *end = &s[n]; + for (; s != end && *s && *s == c; s++); + return s; +} + + +#else +#include "test.h" + +int +main(void) +{ + assert(!strcmpnul(libsimple_strnchrnul_inv("xxoxx", 'x', SIZE_MAX), "oxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("xxXxx", 'x', SIZE_MAX), "Xxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("XXoxx", 'x', SIZE_MAX), "XXoxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("zzzzz", 'z', SIZE_MAX), "")); + assert(!strcmpnul(libsimple_strnchrnul_inv("", '\0', SIZE_MAX), "")); + + assert(!strcmpnul(libsimple_strnchrnul_inv("xxoxx", 'x', 6), "oxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("xxXxx", 'x', 6), "Xxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("XXoxx", 'x', 6), "XXoxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("zzzzz", 'z', 6), "")); + assert(!strcmpnul(libsimple_strnchrnul_inv("", '\0', 6), "")); + + assert(!strcmpnul(libsimple_strnchrnul_inv("xxoxx", 'x', 5), "oxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("xxXxx", 'x', 5), "Xxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("XXoxx", 'x', 5), "XXoxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("zzzzz", 'z', 5), "")); + assert(!strcmpnul(libsimple_strnchrnul_inv("", '\0', 5), "")); + + assert(!strcmpnul(libsimple_strnchrnul_inv("xxoxx", 'x', 3), "oxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("xxXxx", 'x', 3), "Xxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("XXoxx", 'x', 3), "XXoxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("zzzzz", 'z', 3), "zz")); + assert(!strcmpnul(libsimple_strnchrnul_inv("", '\0', 3), "")); + + assert(!strcmpnul(libsimple_strnchrnul_inv("xxoxx", 'x', 2), "oxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("xxXxx", 'x', 2), "Xxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("XXoxx", 'x', 2), "XXoxx")); + assert(!strcmpnul(libsimple_strnchrnul_inv("zzzzz", 'z', 2), "zzz")); + assert(!strcmpnul(libsimple_strnchrnul_inv("", '\0', 2), "")); + return 0; +} + +#endif -- cgit v1.2.3-70-g09d2