LCOV - code coverage report
Current view: directory - ipc/chromium/src/third_party/libevent - strlcpy.c (source / functions) Found Hit Coverage
Test: app.info Lines: 13 0 0.0 %
Date: 2012-06-02 Functions: 1 0 0.0 %

       1                 : /*      $OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $     */
       2                 : 
       3                 : /*
       4                 :  * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
       5                 :  * All rights reserved.
       6                 :  *
       7                 :  * Redistribution and use in source and binary forms, with or without
       8                 :  * modification, are permitted provided that the following conditions
       9                 :  * are met:
      10                 :  * 1. Redistributions of source code must retain the above copyright
      11                 :  *    notice, this list of conditions and the following disclaimer.
      12                 :  * 2. Redistributions in binary form must reproduce the above copyright
      13                 :  *    notice, this list of conditions and the following disclaimer in the
      14                 :  *    documentation and/or other materials provided with the distribution.
      15                 :  * 3. The name of the author may not be used to endorse or promote products
      16                 :  *    derived from this software without specific prior written permission.
      17                 :  *
      18                 :  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
      19                 :  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
      20                 :  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
      21                 :  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
      22                 :  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
      23                 :  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
      24                 :  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
      25                 :  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
      26                 :  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
      27                 :  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      28                 :  */
      29                 : 
      30                 : #if defined(LIBC_SCCS) && !defined(lint)
      31                 : static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $";
      32                 : #endif /* LIBC_SCCS and not lint */
      33                 : 
      34                 : #include <sys/types.h>
      35                 : 
      36                 : #ifdef HAVE_CONFIG_H
      37                 : #include "config.h"
      38                 : #endif /* HAVE_CONFIG_H */
      39                 : 
      40                 : #ifndef HAVE_STRLCPY
      41                 : #include "strlcpy-internal.h"
      42                 : 
      43                 : /*
      44                 :  * Copy src to string dst of size siz.  At most siz-1 characters
      45                 :  * will be copied.  Always NUL terminates (unless siz == 0).
      46                 :  * Returns strlen(src); if retval >= siz, truncation occurred.
      47                 :  */
      48                 : size_t
      49               0 : _event_strlcpy(dst, src, siz)
      50                 :         char *dst;
      51                 :         const char *src;
      52                 :         size_t siz;
      53                 : {
      54               0 :         register char *d = dst;
      55               0 :         register const char *s = src;
      56               0 :         register size_t n = siz;
      57                 : 
      58                 :         /* Copy as many bytes as will fit */
      59               0 :         if (n != 0 && --n != 0) {
      60                 :                 do {
      61               0 :                         if ((*d++ = *s++) == 0)
      62               0 :                                 break;
      63               0 :                 } while (--n != 0);
      64                 :         }
      65                 : 
      66                 :         /* Not enough room in dst, add NUL and traverse rest of src */
      67               0 :         if (n == 0) {
      68               0 :                 if (siz != 0)
      69               0 :                         *d = '\0';              /* NUL-terminate dst */
      70               0 :                 while (*s++)
      71                 :                         ;
      72                 :         }
      73                 : 
      74               0 :         return(s - src - 1);    /* count does not include NUL */
      75                 : }
      76                 : #endif

Generated by: LCOV version 1.7