diff options
Diffstat (limited to 'release/src/router/busybox/libbb/safe_strncpy.c')
| -rw-r--r-- | release/src/router/busybox/libbb/safe_strncpy.c | 53 |
1 files changed, 16 insertions, 37 deletions
diff --git a/release/src/router/busybox/libbb/safe_strncpy.c b/release/src/router/busybox/libbb/safe_strncpy.c index 55ec7980..4acd9766 100644 --- a/release/src/router/busybox/libbb/safe_strncpy.c +++ b/release/src/router/busybox/libbb/safe_strncpy.c @@ -2,47 +2,26 @@ /* * Utility routines. * - * Copyright (C) tons of folks. Tracking down who wrote what - * isn't something I'm going to worry about... If you wrote something - * here, please feel free to acknowledge your work. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Based in part on code from sash, Copyright (c) 1999 by David I. Bell - * Permission has been granted to redistribute this code under the GPL. + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -#include <string.h> #include "libbb.h" - - -/* Like strncpy but make sure the resulting string is always 0 terminated. */ -extern char * safe_strncpy(char *dst, const char *src, size_t size) -{ - dst[size-1] = '\0'; - return strncpy(dst, src, size-1); +/* 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); } - -/* END CODE */ -/* -Local Variables: -c-file-style: "linux" -c-basic-offset: 4 -tab-width: 4 -End: -*/ +/* Like strcpy but can copy overlapping strings. */ +void FAST_FUNC overlapping_strcpy(char *dst, const char *src) +{ + while ((*dst = *src) != '\0') { + dst++; + src++; + } +} |