From dbb778cb5e6f585c760e0327c1b63aecb5568d84 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 17 Nov 2015 23:44:53 +0100 Subject: split out string/strn/ from string/str/ MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/string/strn/strncasestr.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 src/string/strn/strncasestr.c (limited to 'src/string/strn/strncasestr.c') diff --git a/src/string/strn/strncasestr.c b/src/string/strn/strncasestr.c new file mode 100644 index 0000000..e95dc4b --- /dev/null +++ b/src/string/strn/strncasestr.c @@ -0,0 +1,38 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * 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, either version 3 of the License, or + * (at your option) any later version. + * + * 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, see . + */ +#include + + + +/** + * Finds the first occurrence of a substring. + * This search is case insensitive. + * + * This is a slibc extension added for completeness. + * + * @param haystack The string to search. + * @param needle The sought after substring. + * @param maxlen The maximum number of character to search. + * @return Pointer to the first occurrence of the + * substring, `NULL` if not found. + */ +char* (strncasestr)(const char* haystack, const char* needle, size_t maxlen) +{ + return (memcasemem)(haystack, strnlen(haystack, maxlen), needle, strlen(needle)); +} + -- cgit v1.2.3-70-g09d2