63 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			63 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | /* Copyright  (C) 2010-2020 The RetroArch team
 | ||
|  |  * | ||
|  |  * --------------------------------------------------------------------------------------- | ||
|  |  * The following license statement only applies to this file (compat_strl.c). | ||
|  |  * --------------------------------------------------------------------------------------- | ||
|  |  * | ||
|  |  * Permission is hereby granted, free of charge, | ||
|  |  * to any person obtaining a copy of this software and associated documentation files (the "Software"), | ||
|  |  * to deal in the Software without restriction, including without limitation the rights to | ||
|  |  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, | ||
|  |  * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | ||
|  |  * | ||
|  |  * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. | ||
|  |  * | ||
|  |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | ||
|  |  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
|  |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | ||
|  |  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | ||
|  |  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
|  |  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
|  |  */ | ||
|  | 
 | ||
|  | #include <stdlib.h>
 | ||
|  | #include <ctype.h>
 | ||
|  | 
 | ||
|  | #include <compat/strl.h>
 | ||
|  | 
 | ||
|  | /* Implementation of strlcpy()/strlcat() based on OpenBSD. */ | ||
|  | 
 | ||
|  | #ifndef __MACH__
 | ||
|  | 
 | ||
|  | size_t strlcpy(char *dest, const char *source, size_t size) | ||
|  | { | ||
|  |    size_t src_size = 0; | ||
|  |    size_t        n = size; | ||
|  | 
 | ||
|  |    if (n) | ||
|  |       while (--n && (*dest++ = *source++)) src_size++; | ||
|  | 
 | ||
|  |    if (!n) | ||
|  |    { | ||
|  |       if (size) *dest = '\0'; | ||
|  |       while (*source++) src_size++; | ||
|  |    } | ||
|  | 
 | ||
|  |    return src_size; | ||
|  | } | ||
|  | 
 | ||
|  | size_t strlcat(char *dest, const char *source, size_t size) | ||
|  | { | ||
|  |    size_t len = strlen(dest); | ||
|  | 
 | ||
|  |    dest += len; | ||
|  | 
 | ||
|  |    if (len > size) | ||
|  |       size = 0; | ||
|  |    else | ||
|  |       size -= len; | ||
|  | 
 | ||
|  |    return len + strlcpy(dest, source, size); | ||
|  | } | ||
|  | #endif
 |