1 /* @(#)error.c	1.18 15/08/01 Copyright 1985, 1989, 1995-2015 J. Schilling */
2 /*
3  *	fprintf() on standard error stdio stream
4  *
5  *	Copyright (c) 1985, 1989, 1995-2015 J. Schilling
6  */
7 /*
8  * The contents of this file are subject to the terms of the
9  * Common Development and Distribution License, Version 1.0 only
10  * (the "License").  You may not use this file except in compliance
11  * with the License.
12  *
13  * See the file CDDL.Schily.txt in this distribution for details.
14  * A copy of the CDDL is also available via the Internet at
15  * http://www.opensource.org/licenses/cddl1.txt
16  *
17  * When distributing Covered Code, include this CDDL HEADER in each
18  * file and include the License file CDDL.Schily.txt from this distribution.
19  */
20 
21 #include <schily/mconfig.h>
22 #include <schily/stdio.h>
23 #include <schily/standard.h>
24 #include <schily/varargs.h>
25 #include <schily/schily.h>
26 
27 #undef	error
28 
29 #ifndef	NO_WEAK_SYMBOLS
30 /*
31  * The Cygwin compile environment incorrectly implements #pragma weak.
32  * The weak symbols are only defined as local symbols making it impossible
33  * to use them from outside the scope of this source file.
34  * A platform that allows linking with global symbols has HAVE_LINK_WEAK
35  * defined.
36  */
37 #if defined(HAVE_PRAGMA_WEAK) && defined(HAVE_LINK_WEAK)
38 #pragma	weak error =	js_error
39 #else
40 /* VARARGS1 */
41 #ifdef	PROTOTYPES
42 EXPORT int
error(const char * fmt,...)43 error(const char *fmt, ...)
44 #else
45 EXPORT int
46 error(fmt, va_alist)
47 	char	*fmt;
48 	va_dcl
49 #endif
50 {
51 	va_list	args;
52 	int	ret;
53 
54 #ifdef	PROTOTYPES
55 	va_start(args, fmt);
56 #else
57 	va_start(args);
58 #endif
59 	ret = js_fprintf(stderr, "%r", fmt, args);
60 	va_end(args);
61 	return (ret);
62 }
63 #endif
64 #endif	/* NO_WEAK_SYMBOLS */
65 
66 /* VARARGS1 */
67 #ifdef	PROTOTYPES
68 EXPORT int
js_error(const char * fmt,...)69 js_error(const char *fmt, ...)
70 #else
71 EXPORT int
72 js_error(fmt, va_alist)
73 	char	*fmt;
74 	va_dcl
75 #endif
76 {
77 	va_list	args;
78 	int	ret;
79 
80 #ifdef	PROTOTYPES
81 	va_start(args, fmt);
82 #else
83 	va_start(args);
84 #endif
85 	ret = js_fprintf(stderr, "%r", fmt, args);
86 	va_end(args);
87 	return (ret);
88 }
89