1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #pragma once 30 31 /** 32 * @file bits/strcasecmp.h 33 * @brief Case-insensitive string comparison. 34 */ 35 36 #include <sys/cdefs.h> 37 #include <sys/types.h> 38 #include <xlocale.h> 39 40 __BEGIN_DECLS 41 42 /** 43 * [strcasecmp(3)](http://man7.org/linux/man-pages/man3/strcasecmp.3.html) compares two strings 44 * ignoring case. 45 * 46 * Returns an integer less than, equal to, or greater than zero if the first string is less than, 47 * equal to, or greater than the second string (ignoring case). 48 */ 49 int strcasecmp(const char* __s1, const char* __s2) __attribute_pure__; 50 51 /** 52 * Like strcasecmp() but taking a `locale_t`. 53 */ 54 int strcasecmp_l(const char* __s1, const char* __s2, locale_t __l) __attribute_pure__ __INTRODUCED_IN(23); 55 56 /** 57 * [strncasecmp(3)](http://man7.org/linux/man-pages/man3/strncasecmp.3.html) compares the first 58 * `n` bytes of two strings ignoring case. 59 * 60 * Returns an integer less than, equal to, or greater than zero if the first `n` bytes of the 61 * first string is less than, equal to, or greater than the first `n` bytes of the second 62 * string (ignoring case). 63 */ 64 int strncasecmp(const char* __s1, const char* __s2, size_t __n) __attribute_pure__; 65 66 /** 67 * Like strncasecmp() but taking a `locale_t`. 68 */ 69 int strncasecmp_l(const char* __s1, const char* __s2, size_t __n, locale_t __l) __attribute_pure__ __INTRODUCED_IN(23); 70 71 __END_DECLS 72