add-query.c
1.78 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010, 2012, 2014-2015 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <mailutils/types.h>
#include <mailutils/errno.h>
#include <mailutils/sys/url.h>
#include <mailutils/url.h>
int
mu_url_add_query (mu_url_t url, size_t pc, const char **pv)
{
char **fv;
int i, j;
if (!url)
return EINVAL;
if (!pc || !pv)
return 0;
fv = realloc (url->qargv,
sizeof (url->qargv[0]) * (url->qargc + pc + 1));
if (!fv)
return ENOMEM;
url->qargv = fv;
for (i = url->qargc, j = 0; j < pc; i++, j++)
{
fv[i] = strdup (pv[j]);
if (!fv[i])
{
/* Restore the status quo */
for (; j; j--)
free (fv[--i]);
if (url->qargc)
fv[url->qargc] = NULL;
else
{
free (url->qargv);
url->qargv = NULL;
url->qargc = 0;
}
return ENOMEM;
}
}
fv[i] = NULL;
url->qargc = i;
url->flags |= MU_URL_QUERY;
mu_url_invalidate (url);
return 0;
}