1 /**
2    r_errors.c
3 
4 
5    Copyright (C) 2002-2003, Network Resonance, Inc.
6    Copyright (C) 2006, Network Resonance, Inc.
7    All Rights Reserved
8 
9    Redistribution and use in source and binary forms, with or without
10    modification, are permitted provided that the following conditions
11    are met:
12 
13    1. Redistributions of source code must retain the above copyright
14       notice, this list of conditions and the following disclaimer.
15    2. Redistributions in binary form must reproduce the above copyright
16       notice, this list of conditions and the following disclaimer in the
17       documentation and/or other materials provided with the distribution.
18    3. Neither the name of Network Resonance, Inc. nor the name of any
19       contributors to this software may be used to endorse or promote
20       products derived from this software without specific prior written
21       permission.
22 
23    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
24    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26    ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33    POSSIBILITY OF SUCH DAMAGE.
34 
35 
36  */
37 
38 /**
39    r_errors.c
40 
41 
42    Copyright (C) 1999-2000 RTFM, Inc.
43    All Rights Reserved
44 
45    This package is a SSLv3/TLS protocol analyzer written by Eric Rescorla
46    <ekr@rtfm.com> and licensed by RTFM, Inc.
47 
48    Redistribution and use in source and binary forms, with or without
49    modification, are permitted provided that the following conditions
50    are met:
51    1. Redistributions of source code must retain the above copyright
52       notice, this list of conditions and the following disclaimer.
53    2. Redistributions in binary form must reproduce the above copyright
54       notice, this list of conditions and the following disclaimer in the
55       documentation and/or other materials provided with the distribution.
56    3. All advertising materials mentioning features or use of this software
57       must display the following acknowledgement:
58 
59       This product includes software developed by Eric Rescorla for
60       RTFM, Inc.
61 
62    4. Neither the name of RTFM, Inc. nor the name of Eric Rescorla may be
63       used to endorse or promote products derived from this
64       software without specific prior written permission.
65 
66    THIS SOFTWARE IS PROVIDED BY ERIC RESCORLA AND RTFM, INC. ``AS IS'' AND
67    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
68    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
69    ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
70    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
71    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
72    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
73    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
74    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
75    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY SUCH DAMAGE.
76 
77    $Id: r_errors.c,v 1.5 2008/11/26 03:22:02 adamcain Exp $
78 
79 
80    ekr@rtfm.com  Tue Feb 16 16:37:05 1999
81  */
82 
83 #include <stdio.h>
84 #include <stdarg.h>
85 #include <string.h>
86 #include "r_common.h"
87 #include "r_errors.h"
88 
89 static struct {
90     int    errnum;
91     char  *str;
92 } errors[] = NR_ERROR_MAPPING;
93 
nr_verr_exit(char * fmt,...)94 int nr_verr_exit(char *fmt,...)
95   {
96     va_list ap;
97 
98     va_start(ap,fmt);
99     vfprintf(stderr,fmt,ap);
100 
101     if (fmt[0] != '\0' && fmt[strlen(fmt)-1] != '\n')
102         fprintf(stderr,"\n");
103 
104     exit(1);
105   }
106 
107 char *
nr_strerror(int errnum)108 nr_strerror(int errnum)
109 {
110     static char unknown_error[256];
111     size_t i;
112     char *error = 0;
113 
114     for (i = 0; i < sizeof(errors)/sizeof(*errors); ++i) {
115         if (errnum == errors[i].errnum) {
116             error = errors[i].str;
117             break;
118         }
119     }
120 
121     if (! error) {
122         snprintf(unknown_error, sizeof(unknown_error), "Unknown error: %d", errnum);
123         error = unknown_error;
124     }
125 
126     return error;
127 }
128 
129 int
nr_strerror_r(int errnum,char * strerrbuf,size_t buflen)130 nr_strerror_r(int errnum, char *strerrbuf, size_t buflen)
131 {
132     char *error = nr_strerror(errnum);
133     snprintf(strerrbuf, buflen, "%s", error);
134     return 0;
135 }
136 
137