2 * Copyright (c) 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include "krb5_locl.h"
36 RCSID("$Id: error_string.c,v 1.3 2004/05/25 21:23:55 lha Exp $");
39 #define __attribute__(X)
41 void KRB5_LIB_FUNCTION
42 krb5_free_error_string(krb5_context context, char *str)
44 HEIMDAL_MUTEX_lock(context->mutex);
45 if (str != context->error_buf)
47 HEIMDAL_MUTEX_unlock(context->mutex);
50 void KRB5_LIB_FUNCTION
51 krb5_clear_error_string(krb5_context context)
53 HEIMDAL_MUTEX_lock(context->mutex);
54 if (context->error_string != NULL
55 && context->error_string != context->error_buf)
56 free(context->error_string);
57 context->error_string = NULL;
58 HEIMDAL_MUTEX_unlock(context->mutex);
61 krb5_error_code KRB5_LIB_FUNCTION
62 krb5_set_error_string(krb5_context context, const char *fmt, ...)
63 __attribute__((format (printf, 2, 3)))
69 ret = krb5_vset_error_string (context, fmt, ap);
74 krb5_error_code KRB5_LIB_FUNCTION
75 krb5_vset_error_string(krb5_context context, const char *fmt, va_list args)
76 __attribute__ ((format (printf, 2, 0)))
78 krb5_clear_error_string(context);
79 HEIMDAL_MUTEX_lock(context->mutex);
80 vasprintf(&context->error_string, fmt, args);
81 if(context->error_string == NULL) {
82 vsnprintf (context->error_buf, sizeof(context->error_buf), fmt, args);
83 context->error_string = context->error_buf;
85 HEIMDAL_MUTEX_unlock(context->mutex);
89 char * KRB5_LIB_FUNCTION
90 krb5_get_error_string(krb5_context context)
94 HEIMDAL_MUTEX_lock(context->mutex);
95 ret = context->error_string;
96 context->error_string = NULL;
97 HEIMDAL_MUTEX_unlock(context->mutex);
101 krb5_boolean KRB5_LIB_FUNCTION
102 krb5_have_error_string(krb5_context context)
105 HEIMDAL_MUTEX_lock(context->mutex);
106 str = context->error_string;
107 HEIMDAL_MUTEX_unlock(context->mutex);