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f0ec3cf6 | 1 | /* error.c -- error handler for noninteractive utilities |
c4698cbb | 2 | Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc. |
f0ec3cf6 NW |
3 | |
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2, or (at your option) | |
7 | any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; if not, write to the Free Software | |
16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
17 | ||
18 | /* Written by David MacKenzie. */ | |
19 | ||
c4698cbb NW |
20 | #ifdef HAVE_CONFIG_H |
21 | #if defined (CONFIG_BROKETS) | |
22 | /* We use <config.h> instead of "config.h" so that a compilation | |
23 | using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h | |
24 | (which it would do because it found this file in $srcdir). */ | |
25 | #include <config.h> | |
26 | #else | |
27 | #include "config.h" | |
28 | #endif | |
29 | #endif | |
30 | ||
f0ec3cf6 NW |
31 | #include <stdio.h> |
32 | ||
33 | #ifdef HAVE_VPRINTF | |
34 | ||
35 | #if __STDC__ | |
36 | #include <stdarg.h> | |
37 | #define VA_START(args, lastarg) va_start(args, lastarg) | |
38 | #else /* !__STDC__ */ | |
39 | #include <varargs.h> | |
40 | #define VA_START(args, lastarg) va_start(args) | |
41 | #endif /* !__STDC__ */ | |
42 | ||
43 | #else /* !HAVE_VPRINTF */ | |
44 | ||
45 | #ifdef HAVE_DOPRNT | |
46 | #define va_alist args | |
47 | #define va_dcl int args; | |
48 | #else /* !HAVE_DOPRNT */ | |
49 | #define va_alist a1, a2, a3, a4, a5, a6, a7, a8 | |
50 | #define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8; | |
51 | #endif /* !HAVE_DOPRNT */ | |
52 | ||
53 | #endif /* !HAVE_VPRINTF */ | |
54 | ||
55 | #ifdef STDC_HEADERS | |
56 | #include <stdlib.h> | |
57 | #include <string.h> | |
58 | #else /* !STDC_HEADERS */ | |
59 | void exit (); | |
60 | #endif /* !STDC_HEADERS */ | |
61 | ||
62 | extern char *program_name; | |
63 | ||
64 | #ifndef HAVE_STRERROR | |
65 | static char * | |
66 | private_strerror (errnum) | |
67 | int errnum; | |
68 | { | |
69 | extern char *sys_errlist[]; | |
70 | extern int sys_nerr; | |
71 | ||
72 | if (errnum > 0 && errnum <= sys_nerr) | |
73 | return sys_errlist[errnum]; | |
74 | return "Unknown system error"; | |
75 | } | |
76 | #define strerror private_strerror | |
77 | #endif /* !HAVE_STRERROR */ | |
78 | ||
79 | /* Print the program name and error message MESSAGE, which is a printf-style | |
80 | format string with optional args. | |
81 | If ERRNUM is nonzero, print its corresponding system error message. | |
82 | Exit with status STATUS if it is nonzero. */ | |
83 | /* VARARGS */ | |
84 | void | |
85 | #if defined (HAVE_VPRINTF) && __STDC__ | |
86 | error (int status, int errnum, char *message, ...) | |
87 | #else /* !HAVE_VPRINTF or !__STDC__ */ | |
88 | error (status, errnum, message, va_alist) | |
89 | int status; | |
90 | int errnum; | |
91 | char *message; | |
92 | va_dcl | |
93 | #endif /* !HAVE_VPRINTF or !__STDC__ */ | |
94 | { | |
95 | #ifdef HAVE_VPRINTF | |
96 | va_list args; | |
97 | #endif /* HAVE_VPRINTF */ | |
98 | ||
99 | fprintf (stderr, "%s: ", program_name); | |
100 | #ifdef HAVE_VPRINTF | |
101 | VA_START (args, message); | |
102 | vfprintf (stderr, message, args); | |
103 | va_end (args); | |
104 | #else /* !HAVE_VPRINTF */ | |
105 | #ifdef HAVE_DOPRNT | |
106 | _doprnt (message, &args, stderr); | |
107 | #else /* !HAVE_DOPRNT */ | |
108 | fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8); | |
109 | #endif /* !HAVE_DOPRNT */ | |
110 | #endif /* !HAVE_VPRINTF */ | |
111 | if (errnum) | |
112 | fprintf (stderr, ": %s", strerror (errnum)); | |
113 | putc ('\n', stderr); | |
114 | fflush (stderr); | |
115 | if (status) | |
116 | exit (status); | |
117 | } |