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      1 /*	$NetBSD: rtldenv.h,v 1.12 2013/05/06 08:02:20 skrll Exp $	 */
      2 
      3 /*
      4  * Copyright 1996 Matt Thomas <matt (at) 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