Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/compat/strlcpy.c |
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1 | /* $OpenBSD: strlcpy.c,v 1.15 2016/10/16 17:37:39 dtucker Exp $ */ | - | ||||||
2 | - | |||||||
3 | /* | - | ||||||
4 | * Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com> | - | ||||||
5 | * | - | ||||||
6 | * Permission to use, copy, modify, and distribute this software for any | - | ||||||
7 | * purpose with or without fee is hereby granted, provided that the above | - | ||||||
8 | * copyright notice and this permission notice appear in all copies. | - | ||||||
9 | * | - | ||||||
10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | - | ||||||
11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | - | ||||||
12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | - | ||||||
13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | - | ||||||
14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | - | ||||||
15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | - | ||||||
16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | - | ||||||
17 | */ | - | ||||||
18 | - | |||||||
19 | #include <sys/types.h> | - | ||||||
20 | #include <string.h> | - | ||||||
21 | - | |||||||
22 | /* | - | ||||||
23 | * Copy string src to buffer dst of size dsize. At most dsize-1 | - | ||||||
24 | * chars will be copied. Always NUL terminates (unless dsize == 0). | - | ||||||
25 | * Returns strlen(src); if retval >= dsize, truncation occurred. | - | ||||||
26 | */ | - | ||||||
27 | size_t | - | ||||||
28 | strlcpy(char *dst, const char *src, size_t dsize) | - | ||||||
29 | { | - | ||||||
30 | const char *osrc = src; | - | ||||||
31 | size_t nleft = dsize; | - | ||||||
32 | - | |||||||
33 | /* Copy as many bytes as will fit. */ | - | ||||||
34 | if (nleft != 0) {
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35 | while (--nleft != 0) {
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36 | if ((*dst++ = *src++) == '\0')
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37 | break; executed 31886 times by 32 tests: break; Executed by:
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38 | } executed 799603 times by 32 tests: end of block Executed by:
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39 | } executed 37396 times by 32 tests: end of block Executed by:
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40 | - | |||||||
41 | /* Not enough room in dst, add NUL and traverse rest of src. */ | - | ||||||
42 | if (nleft == 0) {
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43 | if (dsize != 0)
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44 | *dst = '\0'; /* NUL-terminate dst */ executed 5510 times by 31 tests: *dst = '\0'; Executed by:
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45 | while (*src++)
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46 | ; executed 33930 times by 31 tests: ; Executed by:
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47 | } executed 5510 times by 31 tests: end of block Executed by:
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48 | - | |||||||
49 | return(src - osrc - 1); /* count does not include NUL */ executed 37396 times by 32 tests: return(src - osrc - 1); Executed by:
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50 | } | - | ||||||
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