blob: e5811164e0a1fc2d224b219dfb48331016079fbb (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/**
* 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 <http://www.gnu.org/licenses/>.
*/
#include <string.h>
/**
* Finds the first occurrence of a substring.
* This search is case sensitive.
*
* This is a slibc extension added for because it was useful
* in implementing slibc itself.
*
* @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.
*
* @since Always.
*/
char* (strnstr)(const char* haystack, const char* needle, size_t maxlen)
{
return (memmem)(haystack, strnlen(haystack, maxlen), needle, strlen(needle));
}
|
