diff --git a/libc/Makefile b/libc/Makefile index 9e9081dd..ecbfe8a5 100644 --- a/libc/Makefile +++ b/libc/Makefile @@ -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 \ diff --git a/libc/include/string.h b/libc/include/string.h index b8ad345d..fbad9f5b 100644 --- a/libc/include/string.h +++ b/libc/include/string.h @@ -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); diff --git a/libc/string/strlcpy.cpp b/libc/string/strlcpy.cpp new file mode 100644 index 00000000..6cba066e --- /dev/null +++ b/libc/string/strlcpy.cpp @@ -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 . + + string/strlcpy.cpp + Copies a string and truncates it if the destination is too small. + +*******************************************************************************/ + +#include + +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; +}