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/*
* Copyright (C) 2012 Red Hat Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * 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.
* * The names of contributors to this software may not be
* used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*
* Author: Stef Walter <stefw@redhat.com>
*/
#include "config.h"
#include "argv.h"
#include "debug.h"
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
bool
p11_argv_parse (const char *string,
void (*sink) (char *, void *),
void *argument)
{
char quote = '\0';
char *src, *dup, *at, *arg;
bool ret = true;
return_val_if_fail (string != NULL, false);
return_val_if_fail (sink != NULL, false);
src = dup = strdup (string);
return_val_if_fail (dup != NULL, false);
arg = at = src;
for (src = dup; *src; src++) {
/* Matching quote */
if (quote == *src) {
quote = '\0';
/* Inside of quotes */
} else if (quote != '\0') {
if (*src == '\\') {
*at++ = *src++;
if (!*src) {
ret = false;
goto done;
}
if (*src != quote)
*at++ = '\\';
}
*at++ = *src;
/* Space, not inside of quotes */
} else if (isspace (*src)) {
*at = 0;
sink (arg, argument);
arg = at;
/* Other character outside of quotes */
} else {
switch (*src) {
case '\'':
case '"':
quote = *src;
break;
case '\\':
*at++ = *src++;
if (!*src) {
ret = false;
goto done;
}
/* fall through */
default:
*at++ = *src;
break;
}
}
}
if (at != arg) {
*at = 0;
sink (arg, argument);
}
done:
free (dup);
return ret;
}
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