Adding upstream version 5.2.37.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

CWRU/PLATFORMS

@@ -0,0 +1,31 @@
+The version of bash in this directory has been compiled on the
+following systems:
+
+By chet:
+
+SunOS 4.1.4
+SunOS 5.5
+BSDI BSD/OS 2.1
+FreeBSD 2.2
+NetBSD 1.2
+AIX 4.2
+AIX 4.1.4
+HP/UX 9.05, 10.01, 10.10, 10.20
+Linux 2.0.29 (libc 5.3.12)
+Linux 2.0.4 (libc 5.3.12)
+
+By other testers:
+
+SCO ODT 2.0
+SCO 3.2v5.0, 3.2v4.2
+SunOS 5.3
+SunOS 5.5
+BSD/OS 2.1
+FreeBSD 2.2
+SunOS 4.1.3
+Irix 5.3
+Irix 6.2
+Linux 2.0 (unknown distribution)
+Digital OSF/1 3.2
+GNU Hurd 0.1
+SVR4.2

CWRU/README

@@ -0,0 +1,20 @@
+Contents of this directory:
+
+changelog		- my change log since the last release
+
+POSIX.NOTES		- list of what changes for `posix mode'
+
+README			- this file
+
+misc			- directory with some useful tools
+
+The following are distributed `as-is'.  They will not apply without some
+modification.
+
+sh-redir-hack		- diff to parse.y to get redirections before
+			  compound commands
+
+empty-for-wordlist	- diff to parse.y to allow an empty wordlist after
+			  the `in' keyword in a `for' statement
+
+mh-folder-comp		- diffs that reportedly add MH folder completion

CWRU/misc/bison

@@ -0,0 +1,26 @@
+#! /bin/sh
+#
+# bison -- just call yacc
+#
+
+# Copyright (C) 1996-2002 Free Software Foundation, Inc.
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+if [ "$1" = '-y' ]; then
+	shift
+fi
+
+exec /usr/bin/yacc ${1+"$@"}

CWRU/misc/errlist.c

@@ -0,0 +1,57 @@
+/*
+ * If necessary, link with lib/sh/libsh.a
+ */
+
+/* Copyright (C) 1998-2009 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <errno.h>
+
+extern char *strerror();
+
+extern int sys_nerr;
+
+int
+main(c, v)
+int	c;
+char	**v;
+{
+	int	i, n;
+
+	if (c == 1) {
+		for (i = 1; i < sys_nerr; i++)
+			printf("%d --> %s\n", i, strerror(i));
+	} else {
+		for (i = 1; i < c; i++) {
+			n = atoi(v[i]);
+			printf("%d --> %s\n", n, strerror(n));
+		}
+	}
+	exit (0);
+}
+
+programming_error(a, b)
+char	*a;
+int	b;
+{
+}
+
+fatal_error()
+{
+}

CWRU/misc/hpux10-dlfcn.h

@@ -0,0 +1,63 @@
+/*
+ * HPUX 10.x stubs to implement dl* in terms of shl*
+ *
+ * Not needed for later versions; HPUX 11.x has dlopen() and friends.
+ *
+ * configure also needs to be faked out.  You can create a dummy libdl.a
+ * with stub entries for dlopen, dlclose, dlsym, and dlerror:
+ *
+ *	int dlopen() { return(0);}
+ *	int dlclose() { return(0);}
+ *	int dlsym() { return(0);}
+ *	int dlerror() { return(0);}
+ *
+ * This has not been tested; I just read the manual page and coded this up.
+ *
+ * According to the ld manual page, you need to link bash with -dld and add
+ * the -E flag to LOCAL_LDFLAGS.
+ */
+
+/* Copyright (C) 1998-2009 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if !defined (__HPUX10_DLFCN_H__)
+
+#define __HPUX10_DLFCN_H__
+
+#include <dl.h>
+#include <errno.h>
+
+#ifndef errno
+extern int errno;
+#endif
+
+#define RTLD_LAZY BIND_DEFERRED
+#define RTLD_NOW BIND_IMMEDIATE
+#define RTLD_GLOBAL DYNAMIC_PATH
+
+char *bash_global_sym_addr;
+
+#define dlopen(file,mode) (void *)shl_load((file), (mode), 0L)
+
+#define dlclose(handle) shl_unload((shl_t)(handle))
+
+#define dlsym(handle,name) (bash_global_sym_addr=0,shl_findsym((shl_t *)&(handle),name,TYPE_UNDEFINED,&bash_global_sym_addr), (void *)bash_global_sym_addr)
+
+#define dlerror() strerror(errno)
+
+#endif /*  __HPUX10_DLFCN_H__ */

CWRU/misc/open-files.c

@@ -0,0 +1,39 @@
+/* open-files -- report files a process has open */
+
+/* Copyright (C) 1989-2009 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/file.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <stdio.h>
+
+main()
+{
+	register int	i;
+
+	for (i = 0; i < getdtablesize(); i++) {
+		if (fcntl(i, F_GETFD, 0) != -1)
+			fprintf(stderr, "fd %d: open\n", i);
+	}
+	exit(0);
+}

CWRU/misc/sigs.c

@@ -0,0 +1,47 @@
+/* sigs - print signal dispositions for a process */
+
+/* Copyright (C) 1990-2010 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <signal.h>
+#include <stdio.h>
+
+extern const char	* const sys_siglist[];
+
+typedef void	sighandler();
+
+main(argc, argv)
+int	argc;
+char	**argv;
+{
+	register int	i;
+	sighandler	*h;
+
+	for (i = 1; i < NSIG; i++) {
+		h = signal(i, SIG_DFL);
+		if (h != SIG_DFL) {
+			if (h == SIG_IGN)
+				fprintf(stderr, "%d: ignored (%s)\n", i, sys_siglist[i]);
+			else
+				fprintf(stderr, "%d: caught (%s)\n", i, sys_siglist[i]);
+		}
+	}
+	exit(0);
+}
+
+		

CWRU/misc/sigstat.c

@@ -0,0 +1,226 @@
+/*
+ * sigstat - print out useful information about signal arguments
+ *
+ * Chet Ramey
+ * chet@po.cwru.edu
+ */
+
+/* Copyright (C) 1991-2009 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <sys/types.h>
+#include <signal.h>
+#include <stdio.h>
+
+extern char	*strrchr();
+static char	*signames[NSIG];
+
+char	*progname;
+
+void	sigstat();
+
+main(argc, argv)
+int	argc;
+char	**argv;
+{
+	register int	i;
+	char	*t;
+
+	if (t = strrchr(argv[0], '/'))
+		progname = ++t;
+	else
+		progname = argv[0];
+	init_signames();
+	if (argc == 1) {
+		for (i = 1; i < NSIG; i++)
+			sigstat(i);
+		exit(0);
+	}
+	for (i = 1; i < argc; i++)
+		sigstat(atoi(argv[i]));
+	exit(0);
+}
+
+void
+sigstat(sig)
+int	sig;
+{
+	struct sigaction oact;
+	char *signame;
+	sigset_t set, oset;
+	int blocked;
+
+	if (sig < 0 || sig >= NSIG) {
+		fprintf(stderr, "%s: %d: signal out of range\n", progname, sig);
+		return;
+	}
+	signame = signames[sig];
+	sigemptyset(&oset);
+	sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset);
+	if (sigismember(&oset, sig))
+		printf("%s: signal is blocked\n", signame);
+	sigaction(sig, (struct sigaction *)NULL, &oact);
+	if (oact.sa_handler == SIG_IGN)
+		printf("%s: signal is ignored\n", signame);
+	else if (oact.sa_handler == SIG_DFL)
+		printf("%s: signal is defaulted\n", signame);
+	else
+		printf("%s: signal is trapped (?)\n", signame);
+}
+
+init_signames()
+{
+	register int i;
+	bzero(signames, sizeof(signames));
+
+#if defined (SIGHUP)		/* hangup */
+  	signames[SIGHUP] = "SIGHUP";
+#endif
+#if defined (SIGINT)		/* interrupt */
+  	signames[SIGINT] = "SIGINT";
+#endif
+#if defined (SIGQUIT)		/* quit */
+  	signames[SIGQUIT] = "SIGQUIT";
+#endif
+#if defined (SIGILL)		/* illegal instruction (not reset when caught) */
+  	signames[SIGILL] = "SIGILL";
+#endif
+#if defined (SIGTRAP)		/* trace trap (not reset when caught) */
+  	signames[SIGTRAP] = "SIGTRAP";
+#endif
+#if defined (SIGABRT)		/*  */
+  	signames[SIGABRT] = "SIGABRT";
+#endif
+#if defined (SIGIOT)		/* IOT instruction */
+  	signames[SIGIOT] = "SIGIOT";
+#endif
+#if defined (SIGEMT)		/* EMT instruction */
+  	signames[SIGEMT] = "SIGEMT";
+#endif
+#if defined (SIGFPE)		/* floating point exception */
+  	signames[SIGFPE] = "SIGFPE";
+#endif
+#if defined (SIGKILL)		/* kill (cannot be caught or ignored) */
+  	signames[SIGKILL] = "SIGKILL";
+#endif
+#if defined (SIGBUS)		/* bus error */
+  	signames[SIGBUS] = "SIGBUS";
+#endif
+#if defined (SIGSEGV)		/* segmentation violation */
+  	signames[SIGSEGV] = "SIGSEGV";
+#endif
+#if defined (SIGSYS)		/* bad argument to system call */
+  	signames[SIGSYS] = "SIGSYS";
+#endif
+#if defined (SIGPIPE)		/* write on a pipe with no one to read it */
+  	signames[SIGPIPE] = "SIGPIPE";
+#endif
+#if defined (SIGALRM)		/* alarm clock */
+  	signames[SIGALRM] = "SIGALRM";
+#endif
+#if defined (SIGTERM)		/* software termination signal from kill */
+  	signames[SIGTERM] = "SIGTERM";
+#endif
+#if defined (SIGCLD)		/* Like SIGCHLD.  */
+  	signames[SIGCLD] = "SIGCLD";
+#endif
+#if defined (SIGPWR)		/* Magic thing for some machines. */
+  	signames[SIGPWR] = "SIGPWR";
+#endif
+#if defined (SIGPOLL)		/* For keyboard input?  */
+  	signames[SIGPOLL] = "SIGPOLL";
+#endif
+#if defined (SIGURG)		/* urgent condition on IO channel */
+  	signames[SIGURG] = "SIGURG";
+#endif
+#if defined (SIGSTOP)		/* sendable stop signal not from tty */
+  	signames[SIGSTOP] = "SIGSTOP";
+#endif
+#if defined (SIGTSTP)		/* stop signal from tty */
+  	signames[SIGTSTP] = "SIGTSTP";
+#endif
+#if defined (SIGCONT)		/* continue a stopped process */
+  	signames[SIGCONT] = "SIGCONT";
+#endif
+#if defined (SIGCHLD)		/* to parent on child stop or exit */
+  	signames[SIGCHLD] = "SIGCHLD";
+#endif
+#if defined (SIGTTIN)		/* to readers pgrp upon background tty read */
+  	signames[SIGTTIN] = "SIGTTIN";
+#endif
+#if defined (SIGTTOU)		/* like TTIN for output if (tp->t_local&LTOSTOP) */
+  	signames[SIGTTOU] = "SIGTTOU";
+#endif
+#if defined (SIGIO)		/* input/output possible signal */
+  	signames[SIGIO] = "SIGIO";
+#endif
+#if defined (SIGXCPU)		/* exceeded CPU time limit */
+  	signames[SIGXCPU] = "SIGXCPU";
+#endif
+#if defined (SIGXFSZ)		/* exceeded file size limit */
+  	signames[SIGXFSZ] = "SIGXFSZ";
+#endif
+#if defined (SIGVTALRM)		/* virtual time alarm */
+  	signames[SIGVTALRM] = "SIGVTALRM";
+#endif
+#if defined (SIGPROF)		/* profiling time alarm */
+  	signames[SIGPROF] = "SIGPROF";
+#endif
+#if defined (SIGWINCH)		/* window changed */
+  	signames[SIGWINCH] = "SIGWINCH";
+#endif
+#if defined (SIGLOST)		/* resource lost (eg, record-lock lost) */
+  	signames[SIGLOST] = "SIGLOST";
+#endif
+#if defined (SIGUSR1)		/* user defined signal 1 */
+  	signames[SIGUSR1] = "SIGUSR1";
+#endif
+#if defined (SIGUSR2)		/* user defined signal 2 */
+  	signames[SIGUSR2] = "SIGUSR2";
+#endif
+#if defined (SIGMSG)	/* HFT input data pending */
+  	signames[SIGMSG] = "SIGMSG";
+#endif
+#if defined (SIGPWR)	/* power failure imminent (save your data) */
+  	signames[SIGPWR] = "SIGPWR";
+#endif
+#if defined (SIGDANGER)	/* system crash imminent */
+  	signames[SIGDANGER] = "SIGDANGER";
+#endif
+#if defined (SIGMIGRATE)	/* migrate process to another CPU */
+  	signames[SIGMIGRATE] = "SIGMIGRATE";
+#endif
+#if defined (SIGPRE)	/* programming error */
+  	signames[SIGPRE] = "SIGPRE";
+#endif
+#if defined (SIGGRANT)	/* HFT monitor mode granted */
+  	signames[SIGGRANT] = "SIGGRANT";
+#endif
+#if defined (SIGRETRACT)	/* HFT monitor mode retracted */
+  	signames[SIGRETRACT] = "SIGRETRACT";
+#endif
+#if defined (SIGSOUND)	/* HFT sound sequence has completed */
+  	signames[SIGSOUND] = "SIGSOUND";
+#endif
+
+	for (i = 0; i < NSIG; i++)
+		if (signames[i] == (char *)NULL) {
+			signames[i] = (char *)malloc (16);;
+			sprintf (signames[i], "signal %d", i);
+	  	}
+}

CWRU/sh-redir-hack

@@ -0,0 +1,15 @@
+Add to `subshell' production in parse.y and recompile -DREDIRECTION_HACK to
+get `< xx (command)' sh compatibility.
+
+	|	redirections '(' list ')'
+			{
+#if defined (REDIRECTION_HACK)
+			  /* XXX - C News sh compatibility hack - XXX */
+			  $3->redirects = $1;
+			  $3->flags |= CMD_WANT_SUBSHELL;
+			  $$ = $3;
+#else
+			  yyerror ();
+			  YYABORT;
+#endif
+			}