gpgme/gpgme/signers.c
Marcus Brinkmann fb0b0b7eef 2003-01-30 Marcus Brinkmann <marcus@g10code.de>
* util.h (return_if_fail, return_null_if_fail,
	return_val_if_fail): Remove macro.
	* gpgme.c (gpgme_cancel): Don't use return_if_fail.
	* key.c (gpgme_key_ref): Likewise.
	* signers.c (gpgme_signers_enum): Likewise.
	(gpgme_signers_clear): Likewise.
2003-01-30 17:12:07 +00:00

95 lines
2.3 KiB
C

/* signers.c - Maintain signer sets.
Copyright (C) 2001 Werner Koch (dd9jn)
Copyright (C) 2001, 2002, 2003 g10 Code GmbH
This file is part of GPGME.
GPGME is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GPGME 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GPGME; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "util.h"
#include "context.h"
/* The signers are directly stored in the context. So this is quite
different to a recipient set. */
/* Delete all signers from CTX. */
void
gpgme_signers_clear (GpgmeCtx ctx)
{
int i;
if (!ctx || !ctx->signers)
return;
for (i = 0; i < ctx->signers_len; i++)
{
assert (ctx->signers[i]);
gpgme_key_unref (ctx->signers[i]);
ctx->signers[i] = NULL;
}
ctx->signers_len = 0;
}
/* Add KEY to list of signers in CTX. */
GpgmeError
gpgme_signers_add (GpgmeCtx ctx, const GpgmeKey key)
{
if (!ctx || !key)
return GPGME_Invalid_Value;
if (ctx->signers_len == ctx->signers_size)
{
GpgmeKey *newarr;
int n = ctx->signers_size + 5;
int j;
newarr = realloc (ctx->signers, n * sizeof (*newarr));
if (!newarr)
return GPGME_Out_Of_Core;
for (j = ctx->signers_size; j < n; j++)
newarr[j] = NULL;
ctx->signers = newarr;
ctx->signers_size = n;
}
gpgme_key_ref (key);
ctx->signers[ctx->signers_len++] = key;
return 0;
}
/* Return the SEQth signer's key in CTX with one reference. */
GpgmeKey
gpgme_signers_enum (const GpgmeCtx ctx, int seq)
{
if (!ctx || seq < 0)
return NULL;
if (seq >= ctx->signers_len)
return NULL;
gpgme_key_ref (ctx->signers[seq]);
return ctx->signers[seq];
}