1 /* Copyright (C) 1992-2021 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, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include "version.h"
19 #include <tls.h>
20 #include <libc-abis.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 "PKGVERSION RELEASE" release version "VERSION".\n\
28 Copyright (C) 2021 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 #ifdef LIBC_ABIS_STRING
34 LIBC_ABIS_STRING
35 #endif
36 "For bug reporting instructions, please see:\n\
37 "REPORT_BUGS_TO".\n";
38
39 #include <unistd.h>
40
41 extern void __libc_print_version (void) attribute_hidden;
42 void
__libc_print_version(void)43 __libc_print_version (void)
44 {
45 __write (STDOUT_FILENO, banner, sizeof banner - 1);
46 }
47
48 extern const char *__gnu_get_libc_release (void);
49 const char *
__gnu_get_libc_release(void)50 __gnu_get_libc_release (void)
51 {
52 return __libc_release;
53 }
54 weak_alias (__gnu_get_libc_release, gnu_get_libc_release)
55
56 extern const char *__gnu_get_libc_version (void);
57 const char *
__gnu_get_libc_version(void)58 __gnu_get_libc_version (void)
59 {
60 return __libc_version;
61 }
62 weak_alias (__gnu_get_libc_version, gnu_get_libc_version)
63
64 /* This function is the entry point for the shared object.
65 Running the library as a program will get here. */
66
67 extern void __libc_main (void) __attribute__ ((noreturn));
68 void
__libc_main(void)69 __libc_main (void)
70 {
71 __libc_print_version ();
72 _exit (0);
73 }
74