| Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Utility routines. |
| 4 | * |
| Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
| Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 6 | * |
| Bernhard Reutner-Fischer | b1629b1 | 2006-05-19 19:29:19 +0000 | [diff] [blame] | 7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
| Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #include <string.h> |
| 11 | #include "libbb.h" |
| 12 | |
| 13 | |
| 14 | |
| Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 15 | /* Like strncpy but make sure the resulting string is always 0 terminated. */ |
| Rob Landley | dfba741 | 2006-03-06 20:47:33 +0000 | [diff] [blame] | 16 | char * safe_strncpy(char *dst, const char *src, size_t size) |
| Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 17 | { |
| Denis Vlasenko | de59c0f | 2006-10-05 22:50:22 +0000 | [diff] [blame] | 18 | if (!size) return dst; |
| 19 | dst[--size] = '\0'; |
| 20 | return strncpy(dst, src, size); |
| Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 21 | } |