csu/version.c

   1 /* Copyright (C) 1992-2008, 2009, 2010 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 <libc-abis.h>
  22 #include <gnu/libc-version.h>
  23
  24 static const char __libc_release[] = RELEASE;
  25 static const char __libc_version[] = VERSION;
  26
  27 static const char banner[] =
  28 "GNU C Library "RELEASE" release version "VERSION", by Roland McGrath et al.\n\
  29 Copyright (C) 2010 Free Software Foundation, Inc.\n\
  30 This is free software; see the source for copying conditions.\n\
  31 There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
  32 PARTICULAR PURPOSE.\n\
  33 Compiled by GNU CC version "__VERSION__".\n"
  34 #include "version-info.h"
  35 #ifdef LIBC_ABIS_STRING
  36 LIBC_ABIS_STRING
  37 #endif
  38 #ifdef GLIBC_OLDEST_ABI
  39 "The oldest ABI supported: " GLIBC_OLDEST_ABI ".\n"
  40 #endif
  41 "For bug reporting instructions, please see:\n\
  42 <http://www.gnu.org/software/libc/bugs.html>.\n";
  43
  44 #include <unistd.h>
  45
  46 extern void __libc_print_version (void);
  47 void
  48 __libc_print_version (void)
  49 {
  50   __write (STDOUT_FILENO, banner, sizeof banner - 1);
  51 }
  52
  53 extern const char *__gnu_get_libc_release (void);
  54 const char *
  55 __gnu_get_libc_release (void)
  56 {
  57   return __libc_release;
  58 }
  59 weak_alias (__gnu_get_libc_release, gnu_get_libc_release)
  60
  61 extern const char *__gnu_get_libc_version (void);
  62 const char *
  63 __gnu_get_libc_version (void)
  64 {
  65   return __libc_version;
  66 }
  67 weak_alias (__gnu_get_libc_version, gnu_get_libc_version)
  68
  69 #ifdef HAVE_ELF
  70 /* This function is the entry point for the shared object.
  71    Running the library as a program will get here.  */
  72
  73 extern void __libc_main (void) __attribute__ ((noreturn));
  74 void
  75 __libc_main (void)
  76 {
  77   __libc_print_version ();
  78   _exit (0);
  79 }
  80 #endif