cosmopolitan/libc/testlib/strequals.c

37 lines
2.5 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/limits.h"
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
testonly bool testlib_strequals(size_t cw, const void *s1, const void *s2) {
return testlib_strnequals(cw, s1, s2, SIZE_MAX);
}
testonly bool testlib_strnequals(size_t cw, const void *s1, const void *s2,
size_t n) {
if (s1 == s2) return true;
if (!s1 || !s2) return false;
return (cw == sizeof(wchar_t)
? wcsncmp(s1, s2, n)
: cw == sizeof(char16_t) ? strncmp16(s1, s2, n)
: strncmp(s1, s2, n)) == 0;
}