94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan
|
|
* (Royal Institute of Technology, Stockholm, Sweden).
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include "roken.h"
|
|
|
|
enum { initial = 10, increment = 5 };
|
|
|
|
static char **
|
|
sub (char **argv, int i, int argc, va_list *ap)
|
|
{
|
|
do {
|
|
if(i == argc) {
|
|
/* realloc argv */
|
|
char **tmp = realloc(argv, (argc + increment) * sizeof(*argv));
|
|
if(tmp == NULL) {
|
|
free(argv);
|
|
errno = ENOMEM;
|
|
return NULL;
|
|
}
|
|
argv = tmp;
|
|
argc += increment;
|
|
}
|
|
argv[i++] = va_arg(*ap, char*);
|
|
} while(argv[i - 1] != NULL);
|
|
return argv;
|
|
}
|
|
|
|
/*
|
|
* return a malloced vector of pointers to the strings in `ap'
|
|
* terminated by NULL.
|
|
*/
|
|
|
|
ROKEN_LIB_FUNCTION char ** ROKEN_LIB_CALL
|
|
vstrcollect(va_list *ap)
|
|
{
|
|
return sub (NULL, 0, 0, ap);
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
|
|
ROKEN_LIB_FUNCTION char ** ROKEN_LIB_CALL
|
|
strcollect(char *first, ...)
|
|
{
|
|
va_list ap;
|
|
char **ret = malloc (initial * sizeof(char *));
|
|
|
|
if (ret == NULL)
|
|
return ret;
|
|
|
|
ret[0] = first;
|
|
va_start(ap, first);
|
|
ret = sub (ret, 1, initial, &ap);
|
|
va_end(ap);
|
|
return ret;
|
|
}
|