sortix-mirror/libc/string/strncat.c

31 lines
1.1 KiB
C

/*
* Copyright (c) 2011, 2012 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* string/strncat.c
* Appends parts of a string onto another string.
*/
#include <string.h>
char* strncat(char* dest, const char* src, size_t n)
{
size_t dest_len = strlen(dest);
size_t i;
for ( i = 0; i < n && src[i] != '\0'; i++ )
dest[dest_len + i] = src[i];
dest[dest_len + i] = '\0';
return dest;
}