Contents of /tags/mkinitrd-6_5_1/busybox/libbb/safe_strncpy.c
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Wed Sep 7 17:51:16 2011 UTC (13 years ago) by niro
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Wed Sep 7 17:51:16 2011 UTC (13 years ago) by niro
File MIME type: text/plain
File size: 631 byte(s)
tagged 'mkinitrd-6_5_1'
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Utility routines. |
4 | * |
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
6 | * |
7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
8 | */ |
9 | |
10 | #include "libbb.h" |
11 | |
12 | /* Like strncpy but make sure the resulting string is always 0 terminated. */ |
13 | char* FAST_FUNC safe_strncpy(char *dst, const char *src, size_t size) |
14 | { |
15 | if (!size) return dst; |
16 | dst[--size] = '\0'; |
17 | return strncpy(dst, src, size); |
18 | } |
19 | |
20 | /* Like strcpy but can copy overlapping strings. */ |
21 | void FAST_FUNC overlapping_strcpy(char *dst, const char *src) |
22 | { |
23 | while ((*dst = *src) != '\0') { |
24 | dst++; |
25 | src++; |
26 | } |
27 | } |