csu/version.c

   1 /* Copyright (C) 1992-2008, 2009 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include "version.h"
  20 #include <tls.h>
  21 #include <gnu/libc-version.h>
  22
  23 static const char __libc_release[] = RELEASE;
  24 static const char __libc_version[] = VERSION;
  25
  26 static const char banner[] =
  27 "GNU C Library "RELEASE" release version "VERSION", by Roland McGrath et al.\n\
  28 Copyright (C) 2009 Free Software Foundation, Inc.\n\
  29 This is free software; see the source for copying conditions.\n\
  30 There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
  31 PARTICULAR PURPOSE.\n\
  32 Compiled by GNU CC version "__VERSION__".\n"
  33 #include "version-info.h"
  34 #ifdef GLIBC_OLDEST_ABI
  35 "The oldest ABI supported: " GLIBC_OLDEST_ABI ".\n"
  36 #endif
  37 "For bug reporting instructions, please see:\n\
  38 <http://www.gnu.org/software/libc/bugs.html>.\n";
  39
  40 #include <unistd.h>
  41
  42 extern void __libc_print_version (void);
  43 void
  44 __libc_print_version (void)
  45 {
  46   __write (STDOUT_FILENO, banner, sizeof banner - 1);
  47 }
  48
  49 extern const char *__gnu_get_libc_release (void);
  50 const char *
  51 __gnu_get_libc_release (void)
  52 {
  53   return __libc_release;
  54 }
  55 weak_alias (__gnu_get_libc_release, gnu_get_libc_release)
  56
  57 extern const char *__gnu_get_libc_version (void);
  58 const char *
  59 __gnu_get_libc_version (void)
  60 {
  61   return __libc_version;
  62 }
  63 weak_alias (__gnu_get_libc_version, gnu_get_libc_version)
  64
  65 #ifdef HAVE_ELF
  66 /* This function is the entry point for the shared object.
  67    Running the library as a program will get here.  */
  68
  69 extern void __libc_main (void) __attribute__ ((noreturn));
  70 void
  71 __libc_main (void)
  72 {
  73   __libc_print_version ();
  74   _exit (0);
  75 }
  76 #endif