1 /*
2 * lib/krb5/krb/kerrs.c
3 *
4 * Copyright 2006 Massachusetts Institute of Technology.
5 * All Rights Reserved.
6 *
7 * Export of this software from the United States of America may
8 * require a specific license from the United States Government.
9 * It is the responsibility of any person or organization contemplating
10 * export to obtain such a license before exporting.
11 *
12 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
13 * distribute this software and its documentation for any purpose and
14 * without fee is hereby granted, provided that the above copyright
15 * notice appear in all copies and that both that copyright notice and
16 * this permission notice appear in supporting documentation, and that
17 * the name of M.I.T. not be used in advertising or publicity pertaining
18 * to distribution of the software without specific, written prior
19 * permission. Furthermore if you modify this software you must label
20 * your software as modified software and not distribute it in such a
21 * fashion that it might be confused with the original M.I.T. software.
22 * M.I.T. makes no representations about the suitability of
23 * this software for any purpose. It is provided "as is" without express
24 * or implied warranty.
25 *
26 * error-message functions
27 */
28 #include <stdarg.h>
29 #include "k5-int.h"
30
31 #ifdef DEBUG
32 static int error_message_debug = 0;
33 #ifndef ERROR_MESSAGE_DEBUG
34 #define ERROR_MESSAGE_DEBUG() (error_message_debug != 0)
35 #endif
36 #endif
37
38 void KRB5_CALLCONV_C
krb5_set_error_message(krb5_context ctx,krb5_error_code code,const char * fmt,...)39 krb5_set_error_message (krb5_context ctx, krb5_error_code code,
40 const char *fmt, ...)
41 {
42 va_list args;
43 if (ctx == NULL)
44 return;
45 va_start (args, fmt);
46 #ifdef DEBUG
47 if (ERROR_MESSAGE_DEBUG())
48 fprintf(stderr,
49 "krb5_set_error_message(ctx=%p/err=%p, code=%ld, ...)\n",
50 ctx, &ctx->err, (long) code);
51 #endif
52 krb5int_vset_error (&ctx->err, code, fmt, args);
53 #ifdef DEBUG
54 if (ERROR_MESSAGE_DEBUG())
55 fprintf(stderr, "->%s\n", ctx->err.msg);
56 #endif
57 va_end (args);
58 }
59
60 void KRB5_CALLCONV
krb5_vset_error_message(krb5_context ctx,krb5_error_code code,const char * fmt,va_list args)61 krb5_vset_error_message (krb5_context ctx, krb5_error_code code,
62 const char *fmt, va_list args)
63 {
64 #ifdef DEBUG
65 if (ERROR_MESSAGE_DEBUG())
66 fprintf(stderr, "krb5_vset_error_message(ctx=%p, code=%ld, ...)\n",
67 ctx, (long) code);
68 #endif
69 if (ctx == NULL)
70 return;
71 krb5int_vset_error (&ctx->err, code, fmt, args);
72 #ifdef DEBUG
73 if (ERROR_MESSAGE_DEBUG())
74 fprintf(stderr, "->%s\n", ctx->err.msg);
75 #endif
76 }
77
78 const char * KRB5_CALLCONV
krb5_get_error_message(krb5_context ctx,krb5_error_code code)79 krb5_get_error_message (krb5_context ctx, krb5_error_code code)
80 {
81 #ifdef DEBUG
82 if (ERROR_MESSAGE_DEBUG())
83 fprintf(stderr, "krb5_get_error_message(%p, %ld)\n", ctx, (long) code);
84 #endif
85 if (ctx == NULL)
86 return error_message(code);
87 return krb5int_get_error (&ctx->err, code);
88 }
89
90 void KRB5_CALLCONV
krb5_free_error_message(krb5_context ctx,const char * msg)91 krb5_free_error_message (krb5_context ctx, const char *msg)
92 {
93 #ifdef DEBUG
94 if (ERROR_MESSAGE_DEBUG())
95 fprintf(stderr, "krb5_free_error_message(%p, %p)\n", ctx, msg);
96 #endif
97 if (ctx == NULL)
98 return;
99 krb5int_free_error (&ctx->err, msg);
100 }
101
102 void KRB5_CALLCONV
krb5_clear_error_message(krb5_context ctx)103 krb5_clear_error_message (krb5_context ctx)
104 {
105 #ifdef DEBUG
106 if (ERROR_MESSAGE_DEBUG())
107 fprintf(stderr, "krb5_clear_error_message(%p)\n", ctx);
108 #endif
109 if (ctx == NULL)
110 return;
111 krb5int_clear_error (&ctx->err);
112 }
113