2 * Copyright (c) 2001, 2003, 2005 - 2020 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
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #define __attribute__(x)
40 heim_clear_error_message(heim_context context)
42 if (context->error_string)
43 free(context->error_string);
44 context->error_code = 0;
45 context->error_string = NULL;
49 heim_set_error_message(heim_context context, heim_error_code ret,
51 __attribute__ ((__format__ (__printf__, 3, 4)))
56 heim_vset_error_message(context, ret, fmt, ap);
61 heim_vset_error_message(heim_context context, heim_error_code ret,
62 const char *fmt, va_list args)
63 __attribute__ ((__format__ (__printf__, 3, 0)))
69 if (context->error_string) {
70 free(context->error_string);
71 context->error_string = NULL;
73 context->error_code = ret;
74 r = vasprintf(&context->error_string, fmt, args);
76 context->error_string = NULL;
77 if (context->error_string)
78 heim_debug(context, 200, "error message: %s: %d", context->error_string, ret);
82 heim_prepend_error_message(heim_context context, heim_error_code ret,
84 __attribute__ ((__format__ (__printf__, 3, 4)))
89 heim_vprepend_error_message(context, ret, fmt, ap);
94 heim_vprepend_error_message(heim_context context, heim_error_code ret,
95 const char *fmt, va_list args)
96 __attribute__ ((__format__ (__printf__, 3, 0)))
98 char *str = NULL, *str2 = NULL;
100 if (context == NULL || context->error_code != ret ||
101 vasprintf(&str, fmt, args) < 0 || str == NULL)
103 if (context->error_string) {
106 e = asprintf(&str2, "%s: %s", str, context->error_string);
107 free(context->error_string);
108 if (e < 0 || str2 == NULL)
109 context->error_string = NULL;
111 context->error_string = str2;
114 context->error_string = str;
118 heim_get_error_message(heim_context context, heim_error_code code)
120 const char *cstr = NULL;
123 int free_context = 0;
126 return strdup("Success");
129 * The MIT version of this function ignores the krb5_context
130 * and several widely deployed applications call krb5_get_error_message()
131 * with a NULL context in order to translate an error code as a
132 * replacement for error_message(). Another reason a NULL context
133 * might be provided is if the krb5_init_context() call itself
137 context->error_string &&
138 (code == context->error_code || context->error_code == 0) &&
139 (cstr = strdup(context->error_string)))
142 if (context == NULL && (context = heim_context_init()))
145 cstr = com_right_r(context->et_list, code, buf, sizeof(buf));
147 heim_context_free(&context);
149 if (cstr || (cstr = error_message(code)))
151 if (asprintf(&str, "<unknown error: %d>", (int)code) == -1 || str == NULL)
157 heim_get_error_string(heim_context context)
159 if (context && context->error_string)
160 return strdup(context->error_string);
165 heim_have_error_string(heim_context context)
167 return context->error_string != NULL;
171 heim_free_error_message(heim_context context, const char *msg)
173 free(rk_UNCONST(msg));