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Add strlcpy(3).

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Jonas 'Sortie' Termansen 2013-07-11 22:22:21 +02:00
parent 2518e4fc40
commit 4ac3c313ae
3 changed files with 39 additions and 0 deletions
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1
libc/Makefile
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@ -117,6 +117,7 @@ string/strcpy.o \
string/strcspn.o \
string/strdup.o \
string/strerror.o \
string/strlcpy.o \
string/strlen.o \
string/strncasecmp.o \
string/strncat.o \

1
libc/include/string.h
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@ -50,6 +50,7 @@ int strcoll_l(const char*, const char*, locale_t);
size_t strcspn(const char*, const char*);
char* strcpy(char* __restrict, const char* __restrict);
char* strdup(const char*);
size_t strlcpy(char* __restrict, const char* __restrict, size_t);
size_t strlen(const char*);
char* strncat(char* __restrict, const char* __restrict, size_t);
int strncmp(const char*, const char*, size_t);

37
libc/string/strlcpy.cpp Normal file
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@ -0,0 +1,37 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
string/strlcpy.cpp
Copies a string and truncates it if the destination is too small.
*******************************************************************************/
#include <string.h>
extern "C"
size_t strlcpy(char* restrict dest, const char* restrict src, size_t size)
{
if ( !size )
return 0;
size_t result;
for ( result = 0; result < size-1 && src[result]; result++ )
dest[result] = src[result];
dest[result] = '\0';
return result;
}