deb075eb05
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13237 ec53bebd-3082-4978-b11e-865c3cabbd6b
110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
/*
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* Copyright (c) 2001 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "krb5_locl.h"
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RCSID("$Id$");
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#undef __attribute__
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#define __attribute__(X)
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void
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krb5_free_error_string(krb5_context context, char *str)
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{
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HEIMDAL_MUTEX_lock(context->mutex);
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if (str != context->error_buf)
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free(str);
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HEIMDAL_MUTEX_unlock(context->mutex);
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}
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void
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krb5_clear_error_string(krb5_context context)
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{
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HEIMDAL_MUTEX_lock(context->mutex);
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if (context->error_string != NULL
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&& context->error_string != context->error_buf)
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free(context->error_string);
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context->error_string = NULL;
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HEIMDAL_MUTEX_unlock(context->mutex);
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}
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krb5_error_code
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krb5_set_error_string(krb5_context context, const char *fmt, ...)
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__attribute__((format (printf, 2, 3)))
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{
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krb5_error_code ret;
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va_list ap;
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va_start(ap, fmt);
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ret = krb5_vset_error_string (context, fmt, ap);
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va_end(ap);
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return ret;
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}
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krb5_error_code
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krb5_vset_error_string(krb5_context context, const char *fmt, va_list args)
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__attribute__ ((format (printf, 2, 0)))
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{
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krb5_clear_error_string(context);
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HEIMDAL_MUTEX_lock(context->mutex);
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vasprintf(&context->error_string, fmt, args);
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if(context->error_string == NULL) {
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vsnprintf (context->error_buf, sizeof(context->error_buf), fmt, args);
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context->error_string = context->error_buf;
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}
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HEIMDAL_MUTEX_unlock(context->mutex);
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return 0;
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}
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char*
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krb5_get_error_string(krb5_context context)
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{
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char *ret;
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HEIMDAL_MUTEX_lock(context->mutex);
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ret = context->error_string;
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context->error_string = NULL;
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HEIMDAL_MUTEX_unlock(context->mutex);
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return ret;
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}
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krb5_boolean
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krb5_have_error_string(krb5_context context)
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{
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char *str;
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HEIMDAL_MUTEX_lock(context->mutex);
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str = context->error_string;
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HEIMDAL_MUTEX_unlock(context->mutex);
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return str != NULL;
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}
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