forked from ariadne/pkgconf
119 lines
2.4 KiB
C
119 lines
2.4 KiB
C
/*
|
|
* argvsplit.c
|
|
* argv_split() routine
|
|
*
|
|
* Copyright (c) 2012 William Pitcock <nenolod@dereferenced.org>.
|
|
*
|
|
* Permission to use, copy, modify, and/or 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "pkg.h"
|
|
|
|
void
|
|
pkg_argv_free(char **argv)
|
|
{
|
|
free(argv[0]);
|
|
free(argv);
|
|
}
|
|
|
|
int
|
|
pkg_argv_split(const char *src, int *argc, char ***argv)
|
|
{
|
|
char *buf = malloc(strlen(src) + 1);
|
|
const char *src_iter;
|
|
char *dst_iter;
|
|
int argc_count = 0;
|
|
int argv_size = 5;
|
|
char quote = 0;
|
|
|
|
src_iter = src;
|
|
dst_iter = buf;
|
|
|
|
bzero(buf, strlen(src) + 1);
|
|
|
|
*argv = calloc(sizeof (void *), argv_size);
|
|
(*argv)[argc_count] = dst_iter;
|
|
|
|
while (*src_iter)
|
|
{
|
|
if (quote == *src_iter)
|
|
quote = 0;
|
|
else if (quote)
|
|
{
|
|
if (*src_iter == '\\')
|
|
{
|
|
src_iter++;
|
|
if (!*src_iter)
|
|
{
|
|
free(*argv);
|
|
free(buf);
|
|
return -1;
|
|
}
|
|
|
|
if (*src_iter != quote)
|
|
*dst_iter++ = '\\';
|
|
}
|
|
*dst_iter++ = *src_iter;
|
|
}
|
|
else if (isspace(*src_iter))
|
|
{
|
|
if (*(src_iter + 1) == '-' && (*argv)[argc_count] != NULL)
|
|
{
|
|
argc_count++, dst_iter++;
|
|
|
|
if (argc_count == argv_size)
|
|
{
|
|
argv_size += 5;
|
|
*argv = realloc(*argv, sizeof(void *) * argv_size);
|
|
}
|
|
|
|
(*argv)[argc_count] = dst_iter;
|
|
}
|
|
}
|
|
else switch(*src_iter)
|
|
{
|
|
case '"':
|
|
case '\'':
|
|
quote = *src_iter;
|
|
break;
|
|
|
|
case '\\':
|
|
src_iter++;
|
|
|
|
if (!*src_iter)
|
|
{
|
|
free(argv);
|
|
free(buf);
|
|
return -1;
|
|
}
|
|
default:
|
|
*dst_iter++ = *src_iter;
|
|
break;
|
|
}
|
|
|
|
src_iter++;
|
|
}
|
|
|
|
if (strlen((*argv)[argc_count])) {
|
|
argc_count++;
|
|
}
|
|
|
|
*argc = argc_count;
|
|
return 0;
|
|
}
|