xref: /netbsd/libexec/ld.elf_so/rtldenv.h (revision ce826e31)
1 /*	$NetBSD: rtldenv.h,v 1.12 2013/05/06 08:02:20 skrll Exp $	 */
2 
3 /*
4  * Copyright 1996 Matt Thomas <matt@3am-software.com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef _RTLDENV_H
31 #define	_RTLDENV_H
32 
33 #include <stddef.h>
34 #include <stdarg.h>
35 
36 void    *xcalloc(size_t);
37 void    *xmalloc(size_t);
38 void    *xrealloc(void *, size_t);
39 char    *xstrdup(const char *);
40 void	xfree(void *);
41 
42 #ifdef RTLD_LOADER
43 void xprintf(const char *, ...)
44     __attribute__((__format__(__printf__, 1, 2)));
45 void xvprintf(const char *, va_list)
46     __attribute__((__format__(__printf__, 1, 0)));
47 void xsnprintf(char *, size_t, const char *, ...)
48     __attribute__((__format__(__printf__, 3, 4)));
49 size_t xvsnprintf(char *, size_t, const char *, va_list)
50     __attribute__((__format__(__printf__, 3, 0)));
51 void xwarn(const char *, ...)
52     __attribute__((__format__(__printf__, 1, 2)));
53 void xwarnx(const char *, ...)
54     __attribute__((__format__(__printf__, 1, 2)));
55 void xerr(int, const char *, ...)
56     __attribute__((__noreturn__, __format__(__printf__, 2, 3)));
57 void xerrx(int, const char *, ...)
58     __attribute__((__noreturn__, __format__(__printf__, 2, 3)));
59 
60 void     xassert(const char *, int, const char *) __dead;
61 const char *xstrerror(int);
62 int	xunsetenv(const char *);
63 
64 # ifdef DEBUG
65 #  define assert(cond)	((cond) ? (void) 0 : xassert(__FILE__, __LINE__, #cond))
66 # else
67 #  define assert(cond)	(void) 0
68 # endif
69 #else
70 # include <assert.h>
71 # include <stdio.h>
72 # include <err.h>
73 
74 # define xprintf	printf
75 # define xvprintf	vprintf
76 # define xsnprintf	snprintf
77 # define xvsnprintf	vsnprintf
78 # define xwarn		warn
79 # define xwarnx		warnx
80 # define xerr		err
81 # define xerrx		errx
82 # define xassert	assert
83 # define xstrerror	strerror
84 #endif
85 
86 #endif /* _RTLDENV_H */
87