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Last change
on this file since 3828 was 2725, checked in by Bruno Cornec, 14 years ago |
- Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
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File size:
748 bytes
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| 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Utility routines.
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| 4 | *
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| 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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| 6 | *
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| 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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| 8 | */
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| 9 |
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| 10 | #include "libbb.h"
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| 11 |
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| 12 | /* Like strncpy but make sure the resulting string is always 0 terminated. */
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| 13 | char* FAST_FUNC safe_strncpy(char *dst, const char *src, size_t size)
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| 14 | {
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| 15 | if (!size) return dst;
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| 16 | dst[--size] = '\0';
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| 17 | return strncpy(dst, src, size);
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| 18 | }
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| 19 |
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| 20 | /* Like strcpy but can copy overlapping strings. */
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| 21 | void FAST_FUNC overlapping_strcpy(char *dst, const char *src)
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| 22 | {
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| 23 | /* Cheap optimization for dst == src case -
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| 24 | * better to have it here than in many callers.
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| 25 | */
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| 26 | if (dst != src) {
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| 27 | while ((*dst = *src) != '\0') {
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| 28 | dst++;
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| 29 | src++;
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| 30 | }
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| 31 | }
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| 32 | }
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