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[wmaker-crm.git] / WINGs / error.c
blob4dd0ece3b1b061810c403568ef59441b366818f9
1 /*
2 * Window Maker miscelaneous function library
3 *
4 * Copyright (c) 1997 Alfredo K. Kojima
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "../src/config.h"
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <stdarg.h>
27 #include <string.h>
28 #include <errno.h>
30 extern char *_WINGS_progname;
33 #define MAXLINE 1024
36 /*********************************************************************
37 * Returns the system error message associated with error code 'errnum'
38 *********************************************************************/
39 char*
40 wstrerror(int errnum)
42 #if defined(HAVE_STRERROR)
43 return strerror(errnum);
44 #elif !defined(HAVE_STRERROR) && defined(BSD)
45 extern int errno, sys_nerr;
46 # ifndef __DECC
47 extern char *sys_errlist[];
48 # endif
49 static char buf[] = "Unknown error 12345678901234567890";
51 if (errno < sys_nerr)
52 return sys_errlist[errnum];
54 sprintf (buf, "Unknown error %d", errnum);
55 return buf;
56 #else /* no strerror() and no sys_errlist[] */
57 static char buf[] = "Error 12345678901234567890";
59 sprintf(buf, "Error %d", errnum);
60 return buf;
61 #endif
65 /**************************************************************************
66 * Prints a fatal error message with variable arguments and terminates
68 * msg - message to print with optional formatting
69 * ... - arguments to use on formatting
70 **************************************************************************/
71 void
72 wfatal(const char *msg, ...)
74 va_list args;
75 char buf[MAXLINE];
77 va_start(args, msg);
79 vsprintf(buf, msg, args);
80 strcat(buf,"\n");
81 fflush(stdout);
82 fputs(_WINGS_progname, stderr);
83 fputs(" fatal error: ",stderr);
84 fputs(buf, stderr);
85 fflush(stdout);
86 fflush(stderr);
88 va_end(args);
92 /*********************************************************************
93 * Prints a warning message with variable arguments
95 * msg - message to print with optional formatting
96 * ... - arguments to use on formatting
97 *********************************************************************/
98 void
99 wwarning(const char *msg, ...)
101 va_list args;
102 char buf[MAXLINE];
104 va_start(args, msg);
106 vsprintf(buf, msg, args);
107 strcat(buf,"\n");
108 fflush(stdout);
109 fputs(_WINGS_progname, stderr);
110 fputs(" warning: ",stderr);
111 fputs(buf, stderr);
112 fflush(stdout);
113 fflush(stderr);
115 va_end(args);
119 /*********************************************************************
120 * Prints a system error message with variable arguments
122 * msg - message to print with optional formatting
123 * ... - arguments to use on formatting
124 *********************************************************************/
125 void
126 wsyserror(const char *msg, ...)
128 va_list args;
129 char buf[MAXLINE];
130 int error=errno;
132 va_start(args, msg);
133 vsprintf(buf, msg, args);
134 fflush(stdout);
135 fputs(_WINGS_progname, stderr);
136 fputs(" error: ", stderr);
137 strcat(buf, ": ");
138 strcat(buf, wstrerror(error));
139 strcat(buf,"\n");
140 fputs(buf, stderr);
141 fflush(stderr);
142 fflush(stdout);
143 va_end(args);
147 /*********************************************************************
148 * Prints a system error message with variable arguments, being given
149 * the error code.
151 * error - the error code foe which to print the message
152 * msg - message to print with optional formatting
153 * ... - arguments to use on formatting
154 *********************************************************************/
155 void
156 wsyserrorwithcode(int error, const char *msg, ...)
158 va_list args;
159 char buf[MAXLINE];
161 va_start(args, msg);
162 vsprintf(buf, msg, args);
163 fflush(stdout);
164 fputs(_WINGS_progname, stderr);
165 fputs(" error: ", stderr);
166 strcat(buf, ": ");
167 strcat(buf, wstrerror(error));
168 strcat(buf,"\n");
169 fputs(buf, stderr);
170 fflush(stderr);
171 fflush(stdout);
172 va_end(args);