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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2025 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/>. */
#include <config.h>
#include <stdlib.h>
#include <mailutils/assoc.h>
#include <mailutils/sys/mailcap.h>
int
mu_mailcap_entry_sget_field (mu_mailcap_entry_t ent, char const *name,
char const **pval)
{
struct mailcap_field *fp;
if (!ent || !name)
return EINVAL;
if (!pval)
return MU_ERR_OUT_PTR_NULL;
fp = mu_assoc_get (ent->fields, name);
if (!fp)
return MU_ERR_NOENT;
if (pval)
{
if (fp->type == fld_string)
*pval = fp->strval;
else
*pval = NULL;
}
return 0;
}
int
mu_mailcap_entry_aget_field (mu_mailcap_entry_t ent, char const *name,
char **pval)
{
int rc;
char const *val;
rc = mu_mailcap_entry_sget_field (ent, name, &val);
if (rc == 0)
{
if (val)
{
char *copy = strdup (val);
if (!copy)
return ENOMEM;
*pval = copy;
}
else
*pval = NULL;
}
return rc;
}
int
mu_mailcap_entry_get_field (mu_mailcap_entry_t ent,
char const *name,
char *buffer, size_t buflen,
size_t *pn)
{
int rc;
char const *val;
size_t len;
if (!ent)
return EINVAL;
rc = mu_mailcap_entry_sget_field (ent, name, &val);
if (rc)
return rc;
if (val)
{
len = strlen (val);
if (buffer)
{
if (len > buflen)
len = buflen;
memcpy (buffer, val, len);
buffer[len] = 0;
}
}
else
{
len = 0;
if (buffer)
buffer[0] = 0;
}
if (pn)
*pn = len;
return 0;
}
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