strlcpy.c

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strlcpy.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/openssh/src/openbsd-compat/strlcpy.c

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/* $OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $ */

* Permission to use, copy, modify, and distribute this software for any

* purpose with or without fee is hereby granted, provided that the above

* copyright notice and this permission notice appear in all copies.

* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

/* OPENBSD ORIGINAL: lib/libc/string/strlcpy.c */

#include "includes.h"

#ifndef HAVE_STRLCPY

#include <sys/types.h>

#include <string.h>

* Copy src to string dst of size siz. At most siz-1 characters

* will be copied. Always NUL terminates (unless siz == 0).

* Returns strlen(src); if retval >= siz, truncation occurred.

size_t

strlcpy(char *dst, const char *src, size_t siz)

{

char *d = dst;

const char *s = src;

size_t n = siz;

/* Copy as many bytes as will fit */

if (n != 0) {

n != 0	Description
TRUE	evaluated 7692 times by 7 tests Evaluated by: ssh-keygen sshd test_hostkeys test_kex test_match test_sshkey test_utf8
FALSE	never evaluated

0-7692

while (--n != 0) {

--n != 0	Description
TRUE	evaluated 444889 times by 7 tests Evaluated by: ssh-keygen sshd test_hostkeys test_kex test_match test_sshkey test_utf8
FALSE	evaluated 7565 times by 5 tests Evaluated by: ssh-keygen sshd test_hostkeys test_kex test_utf8

7565-444889

if ((*d++ = *s++) == '\0')

(d++ = s++) == '\0'	Description
TRUE	evaluated 127 times by 5 tests Evaluated by: ssh-keygen sshd test_match test_sshkey test_utf8
FALSE	evaluated 444762 times by 7 tests Evaluated by: ssh-keygen sshd test_hostkeys test_kex test_match test_sshkey test_utf8

127-444762

break;

executed 127 times by 5 tests: break;

Executed by:

ssh-keygen
sshd
test_match
test_sshkey
test_utf8

127

}

executed 444762 times by 7 tests: end of block

Executed by:

ssh-keygen
sshd
test_hostkeys
test_kex
test_match
test_sshkey
test_utf8

444762

}

executed 7692 times by 7 tests: end of block

Executed by:

ssh-keygen
sshd
test_hostkeys
test_kex
test_match
test_sshkey
test_utf8

7692

/* Not enough room in dst, add NUL and traverse rest of src */

if (n == 0) {

n == 0	Description
TRUE	evaluated 7565 times by 5 tests Evaluated by: ssh-keygen sshd test_hostkeys test_kex test_utf8
FALSE	evaluated 127 times by 5 tests Evaluated by: ssh-keygen sshd test_match test_sshkey test_utf8

127-7565

if (siz != 0)

siz != 0	Description
TRUE	evaluated 7565 times by 5 tests Evaluated by: ssh-keygen sshd test_hostkeys test_kex test_utf8
FALSE	never evaluated

0-7565

*d = '\0'; /* NUL-terminate dst */

executed 7565 times by 5 tests: *d = '\0';

Executed by:

ssh-keygen
sshd
test_hostkeys
test_kex
test_utf8

7565

while (*s++)

*s++	Description
TRUE	never evaluated
FALSE	evaluated 7565 times by 5 tests Evaluated by: ssh-keygen sshd test_hostkeys test_kex test_utf8

0-7565

;

never executed: ;

}

executed 7565 times by 5 tests: end of block

Executed by:

ssh-keygen
sshd
test_hostkeys
test_kex
test_utf8

7565

return(s - src - 1); /* count does not include NUL */

executed 7692 times by 7 tests: return(s - src - 1);

Executed by:

ssh-keygen
sshd
test_hostkeys
test_kex
test_match
test_sshkey
test_utf8

7692

}

#endif /* !HAVE_STRLCPY */

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