libexec/ld.elf_so/rtldenv.h

   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 */