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/*
* argvsplit.c
* argv_split() routine
*
* Copyright (c) 2012 pkgconf authors (see AUTHORS).
*
* 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 'as is' and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising
* from the use of this software.
*/
#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;
memset(buf, 0, 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 ((*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;
} else {
*dst_iter++ = '\\';
}
default:
*dst_iter++ = *src_iter;
break;
}
src_iter++;
}
if (strlen((*argv)[argc_count])) {
argc_count++;
}
*argc = argc_count;
return 0;
}
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