Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2000, 2002 Kungliga Tekniska Högskolan
       3             :  * (Royal Institute of Technology, Stockholm, Sweden).
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions
       8             :  * are met:
       9             :  *
      10             :  * 1. Redistributions of source code must retain the above copyright
      11             :  *    notice, this list of conditions and the following disclaimer.
      12             :  *
      13             :  * 2. Redistributions in binary form must reproduce the above copyright
      14             :  *    notice, this list of conditions and the following disclaimer in the
      15             :  *    documentation and/or other materials provided with the distribution.
      16             :  *
      17             :  * 3. Neither the name of the Institute nor the names of its contributors
      18             :  *    may be used to endorse or promote products derived from this software
      19             :  *    without specific prior written permission.
      20             :  *
      21             :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      22             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      25             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31             :  * SUCH DAMAGE.
      32             :  */
      33             : 
      34             : #include <config.h>
      35             : 
      36             : #include <string.h>
      37             : 
      38             : #include "roken.h"
      39             : 
      40             : #ifndef HAVE_STRSEP_COPY
      41             : 
      42             : /* strsep, but with const stringp, so return string in buf */
      43             : 
      44             : ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
      45     7931714 : strsep_copy(const char **stringp, const char *delim, char *buf, size_t len)
      46             : {
      47     7931714 :     const char *save = *stringp;
      48             :     size_t l;
      49     7931714 :     if(save == NULL)
      50     1886296 :         return -1;
      51     6045418 :     *stringp = *stringp + strcspn(*stringp, delim);
      52     6045418 :     l = min(len, (size_t)(*stringp - save));
      53     6045418 :     if(len > 0) {
      54     3047322 :         memcpy(buf, save, l);
      55     3047322 :         buf[l] = '\0';
      56             :     }
      57             : 
      58     6045418 :     l = *stringp - save;
      59     6045418 :     if(**stringp == '\0')
      60     3772943 :         *stringp = NULL;
      61             :     else
      62     2272475 :         (*stringp)++;
      63     6045418 :     return l;
      64             : }
      65             : 
      66             : #endif