mirror of
https://github.com/sheumann/hush.git
synced 2024-12-27 01:32:08 +00:00
0016bcee37
function old new delta overlapping_strcpy 15 18 +3 klogd_main 438 436 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
33 lines
748 B
C
33 lines
748 B
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Utility routines.
|
|
*
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
/* Like strncpy but make sure the resulting string is always 0 terminated. */
|
|
char* FAST_FUNC safe_strncpy(char *dst, const char *src, size_t size)
|
|
{
|
|
if (!size) return dst;
|
|
dst[--size] = '\0';
|
|
return strncpy(dst, src, size);
|
|
}
|
|
|
|
/* Like strcpy but can copy overlapping strings. */
|
|
void FAST_FUNC overlapping_strcpy(char *dst, const char *src)
|
|
{
|
|
/* Cheap optimization for dst == src case -
|
|
* better to have it here than in many callers.
|
|
*/
|
|
if (dst != src) {
|
|
while ((*dst = *src) != '\0') {
|
|
dst++;
|
|
src++;
|
|
}
|
|
}
|
|
}
|