strlcat.c

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strlcat.c

Absolute File Name:

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

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/* $OpenBSD: strlcat.c,v 1.13 2005/08/08 08:05:37 espie 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/strlcat.c */

#include "includes.h"

#ifndef HAVE_STRLCAT

#include <sys/types.h>

#include <string.h>

* Appends src to string dst of size siz (unlike strncat, siz is the

* full size of dst, not space left). At most siz-1 characters

* will be copied. Always NUL terminates (unless siz <= strlen(dst)).

* Returns strlen(src) + MIN(siz, strlen(initial dst)).

* If retval >= siz, truncation occurred.

size_t

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

{

char *d = dst;

const char *s = src;

size_t n = siz;

size_t dlen;

/* Find the end of dst and adjust bytes left but don't go past end */

while (n-- != 0 && *d != '\0')

n-- != 0	Description
TRUE	evaluated 18793 times by 6 tests Evaluated by: ssh-keygen sshd test_kex test_match test_sshkey test_utf8
FALSE	never evaluated

*d != '\0'	Description
TRUE	evaluated 18583 times by 5 tests Evaluated by: ssh-keygen sshd test_match test_sshkey test_utf8
FALSE	evaluated 210 times by 6 tests Evaluated by: ssh-keygen sshd test_kex test_match test_sshkey test_utf8

0-18793

d++;

executed 18583 times by 5 tests: d++;

Executed by:

ssh-keygen
sshd
test_match
test_sshkey
test_utf8

18583

dlen = d - dst;

n = siz - dlen;

if (n == 0)

n == 0	Description
TRUE	never evaluated
FALSE	evaluated 210 times by 6 tests Evaluated by: ssh-keygen sshd test_kex test_match test_sshkey test_utf8

0-210

return(dlen + strlen(s));

never executed: return(dlen + strlen(s));

while (*s != '\0') {

*s != '\0'	Description
TRUE	evaluated 4746 times by 6 tests Evaluated by: ssh-keygen sshd test_kex test_match test_sshkey test_utf8
FALSE	evaluated 210 times by 6 tests Evaluated by: ssh-keygen sshd test_kex test_match test_sshkey test_utf8

210-4746

if (n != 1) {

n != 1	Description
TRUE	evaluated 4742 times by 6 tests Evaluated by: ssh-keygen sshd test_kex test_match test_sshkey test_utf8
FALSE	evaluated 4 times by 1 test Evaluated by: test_utf8

4-4742

*d++ = *s;

n--;

}

executed 4742 times by 6 tests: end of block

Executed by:

ssh-keygen
sshd
test_kex
test_match
test_sshkey
test_utf8

4742

s++;

}

executed 4746 times by 6 tests: end of block

Executed by:

ssh-keygen
sshd
test_kex
test_match
test_sshkey
test_utf8

4746

*d = '\0';

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

executed 210 times by 6 tests: return(dlen + (s - src));

Executed by:

ssh-keygen
sshd
test_kex
test_match
test_sshkey
test_utf8

210

}

#endif /* !HAVE_STRLCAT */

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