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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Mailutils 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with GNU Mailutils; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <mailutils/error.h>
#include <mailutils/sys/mbox.h>
#undef min
#define min(a,b) ((a) < (b) ? (a) : (b))
static const char *hcache_default[] =
{
"Bcc",
"Cc",
"Content-Language",
"Content-Transfer-Encoding",
"Content-Type",
"Date",
"From",
"In-Reply-To",
"Mail-Followup-To",
"Message-ID",
"Reply-To",
"Return-Path",
"Sender",
"Subject",
"To",
"X-UIDL"
};
void
mbox_release_hcache (mbox_t mbox, unsigned int msgno)
{
struct _hcache *hc;
if (mbox == NULL)
return;
if (msgno)
hc = &mbox->umessages[msgno - 1]->hcache;
else
hc = &mbox->hcache;
if (hc->size)
{
unsigned int i;
for (i = 0; i < hc->size; i++)
{
if (hc->values[i])
free (hc->values[i]);
}
}
hc->size = 0;
if (hc->values)
free (hc->values);
hc->values = NULL;
}
int
mbox_set_hcache (mbox_t mbox, const char **array, size_t len)
{
int status = 0;
if (mbox == NULL)
return MU_ERROR_INVALID_PARAMETER;
mbox_release_hcache (mbox, 0);
if (array && len)
status = mbox_add_hcache (mbox, array, len);
return status;
}
int
mbox_add_hcache (mbox_t mbox, const char **array, size_t len)
{
size_t i;
int status = 0;
if (mbox == NULL || array == NULL || len == 0)
return MU_ERROR_INVALID_PARAMETER;
for (i = 0; i < len; i++)
{
char **values;
if (array[i] == NULL || array[i][0] == '\0')
continue;
values = realloc (mbox->hcache.values,
(mbox->hcache.size + 1) * sizeof (*values));
if (values == NULL)
{
status = MU_ERROR_NO_MEMORY;
break;
}
mbox->hcache.values = values;
mbox->hcache.values[mbox->hcache.size] = strdup (array[i]);
mbox->hcache.values[mbox->hcache.size][0] =
toupper (mbox->hcache.values[mbox->hcache.size][0]);
mbox->hcache.size++;
}
return status;
}
int
mbox_append_hcache (mbox_t mbox, unsigned int msgno, const char *name,
const char *value)
{
struct _hcache *hc;
size_t i;
int status = MU_ERROR_ENTRY_NOT_EXIST;
if (mbox == NULL || msgno == 0 || name == NULL || *name == '\0')
return MU_ERROR_INVALID_PARAMETER;
if (msgno > mbox->messages_count)
return MU_ERROR_INVALID_PARAMETER;
if (mbox->hcache.size == 0)
return MU_ERROR_INVALID_PARAMETER;
msgno--;
hc = &(mbox->umessages[msgno]->hcache);
if (hc->values == NULL)
{
hc->values = calloc (mbox->hcache.size, sizeof (*(mbox->hcache.values)));
if (hc->values == NULL)
return MU_ERROR_NO_MEMORY;
}
hc->size = mbox->hcache.size;
for (i = 0; i < mbox->hcache.size; i++)
{
if (mbox->hcache.values[i]
&& toupper (*name) == mbox->hcache.values[i][0]
&& strcasecmp (mbox->hcache.values[i], name) == 0)
{
if (value == NULL)
{
if (hc->values[i])
free (hc->values[i]);
hc->values[i] = NULL;
}
else
{
if (hc->values[i] == NULL)
hc->values[i] = strdup (value);
else
{
char *tmp = realloc (hc->values[i], strlen (value) +
strlen (hc->values[i]) + 1);
if (tmp)
{
hc->values[i] = tmp;
strcat (hc->values[i], value);
}
}
}
status = 0;
break;
}
}
return status;
}
int
mbox_set_default_hcache (mbox_t mbox)
{
return mbox_set_hcache (mbox, hcache_default,
(sizeof hcache_default) / sizeof (*hcache_default));
}
int
mbox_value_hcache (mbox_t mbox, unsigned int msgno, const char *name,
char *buf, size_t buflen, size_t *pn)
{
mbox_message_t mum;
size_t i;
size_t n = 0;
int status = MU_ERROR_ENTRY_NOT_EXIST;
mbox_debug_print (mbox, "value_hcache(%d)", msgno);
if (mbox == NULL || msgno == 0 || name == NULL || *name == '\0')
return MU_ERROR_INVALID_PARAMETER;
if (msgno > mbox->umessages_count)
return MU_ERROR_INVALID_PARAMETER;
mum = mbox->umessages[msgno - 1];
for (i = 0; i < mbox->hcache.size; i++)
{
if (mbox->hcache.values[i]
&& toupper (*name) == mbox->hcache.values[i][0]
&& strcasecmp (mbox->hcache.values[i], name) == 0)
{
if (mum->hcache.size == mbox->hcache.size)
{
n = strlen (mum->hcache.values[i]);
if (buf && buflen)
{
buflen--;
n = min (buflen, n);
memcpy (buf, mum->hcache.values[i], n);
buf[n] = '\0';
}
status = 0;
}
}
}
if (pn)
*pn = n;
return status;
}
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