Bash-5.3 distribution sources and documentation

support/bashversion.c

@@ -1,6 +1,6 @@
 /* bashversion.c -- Display bash version information. */
 
-/* Copyright (C) 2001-2021 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2025 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
@@ -18,17 +18,19 @@
    along with Bash.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include "config.h"
+/* assume C90/POSIX-1992 compilation environment if cross-compiling */
 
-#include "stdc.h"
-
-#include <stdio.h>
-
-#if defined (HAVE_UNISTD_H)
-#  include <unistd.h>
+#ifndef CROSS_COMPILING
+#  include <config.h>
+#else
+#  include <buildconf.h>
 #endif
 
-#include "bashansi.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
 
 #include "version.h"
 #include "conftypes.h"
@@ -41,28 +43,23 @@
 #define LFLAG	0x0020
 #define XFLAG	0x0040
 
-extern int optind;
-extern char *optarg;
-
 extern char *dist_version;
 extern int patch_level;
 
-extern char *shell_version_string PARAMS((void));
-extern void show_shell_version PARAMS((int));
+extern char *shell_version_string (void);
+extern void show_shell_version (int);
 
 char *shell_name = "bash";
 char *progname;
 
 static void
-usage()
+usage(void)
 {
   fprintf(stderr, "%s: usage: %s [-hrvpmlsx]\n", progname, progname);
 }
 
 int
-main (argc, argv)
-     int argc;
-     char **argv;
+main (int argc, char **argv)
 {
   int opt, oflags;
   char dv[128], *rv;