1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/* Error handler for noninteractive utilities
Copyright (C) 1990-1998, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library. Its master source is NOT part of
the C library, however. The master source lives in /gd/gnu/lib.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */
/* Adjusted slightly by Erik Andersen <andersen@uclibc.org> */
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <error.h>
libc_hidden_proto(strcmp)
libc_hidden_proto(strerror)
libc_hidden_proto(fprintf)
libc_hidden_proto(exit)
libc_hidden_proto(putc)
libc_hidden_proto(vfprintf)
libc_hidden_proto(fflush)
libc_hidden_proto(fputc)
libc_hidden_proto(__fputc_unlocked)
/* This variable is incremented each time `error' is called. */
unsigned int error_message_count = 0;
hidden_strong_alias(error_message_count, __error_message_count)
/* Sometimes we want to have at most one error per line. This
variable controls whether this mode is selected or not. */
int error_one_per_line;
/* If NULL, error will flush stdout, then print on stderr the program
name, a colon and a space. Otherwise, error will call this
function without parameters instead. */
void (*error_print_progname) (void) = NULL;
void __error (int status, int errnum, const char *message, ...)
{
va_list args;
fflush (stdout);
va_start (args, message);
vfprintf (stderr, message, args);
va_end (args);
++__error_message_count;
if (errnum) {
fprintf (stderr, ": %s", strerror (errnum));
}
putc ('\n', stderr);
if (status)
exit (status);
}
void __error_at_line (int status, int errnum, const char *file_name,
unsigned int line_number, const char *message, ...)
{
va_list args;
if (error_one_per_line) {
static const char *old_file_name;
static unsigned int old_line_number;
if (old_line_number == line_number &&
(file_name == old_file_name || !strcmp (old_file_name, file_name)))
/* Simply return and print nothing. */
return;
old_file_name = file_name;
old_line_number = line_number;
}
fflush (stdout);
if (file_name != NULL)
fprintf (stderr, "%s:%d: ", file_name, line_number);
va_start (args, message);
vfprintf (stderr, message, args);
va_end (args);
++__error_message_count;
if (errnum) {
fprintf (stderr, ": %s", strerror (errnum));
}
putc ('\n', stderr);
if (status)
exit (status);
}
/* Use the weaks here in an effort at controlling namespace pollution */
#undef error
#undef error_at_line
weak_alias (__error, error)
weak_alias (__error_at_line, error_at_line)
|
