source: patches/bash-3.2-fixes-6.patch@ c814e64

array.c

@@ -120 +120 @@
         return(a1);
 }
 
-#ifdef INCLUDE_UNUSED
 /*
  * Make and return a new array composed of the elements in array A from
  * S to E, inclusive.
@@ -141 +140 @@
         for (p = s, i = 0; p != e; p = element_forw(p), i++) {
                 n = array_create_element (element_index(p), element_value(p));
                 ADD_BEFORE(a->head, n);
-                mi = element_index(ae);
+                mi = element_index(n);
         }
         a->num_elements = i;
         a->max_index = mi;
         return a;
 }
-#endif
 
 /*
  * Walk the array, calling FUNC once for each element, with the array
@@ -300 +298 @@
         return array;
 }
 
+ARRAY   *
+array_quote_escapes(array)
+ARRAY   *array;
+{
+        ARRAY_ELEMENT   *a;
+        char    *t;
+
+        if (array == 0 || array_head(array) == 0 || array_empty(array))
+                return (ARRAY *)NULL;
+        for (a = element_forw(array->head); a != array->head; a = element_forw(a)) {
+                t = quote_escapes (a->value);
+                FREE(a->value);
+                a->value = t;
+        }
+        return array;
+}
+
 /*
  * Return a string whose elements are the members of array A beginning at
  * index START and spanning NELEM members.  Null elements are counted.
@@ -311 +326 @@
 arrayind_t      start, nelem;
 int     starsub, quoted;
 {
+        ARRAY           *a2;
         ARRAY_ELEMENT   *h, *p;
         arrayind_t      i;
-        char            *ifs, sep[2];
+        char            *ifs, sep[2], *t;
 
         p = a ? array_head (a) : 0;
         if (p == 0 || array_empty (a) || start > array_max_index(a))
@@ -336 +352 @@
         for (i = 0, h = p; p != a->head && i < nelem; i++, p = element_forw(p))
                 ;
 
+        a2 = array_slice(a, h, p);
+
+        if (quoted & (Q_DOUBLE_QUOTES|Q_HERE_DOCUMENT))
+                array_quote(a2);
+        else
+                array_quote_escapes(a2);
+
         if (starsub && (quoted & (Q_DOUBLE_QUOTES|Q_HERE_DOCUMENT))) {
                 ifs = getifs();
                 sep[0] = ifs ? *ifs : '\0';
@@ -343 +366 @@
                 sep[0] = ' ';
         sep[1] = '\0';
 
-        return (array_to_string_internal (h, p, sep, quoted));
+        t = array_to_string (a2, sep, 0);
+        array_dispose(a2);
+
+        return t;
 }
 
 char *
@@ -367 +393 @@
         }
 
         if (mflags & MATCH_QUOTED)
-                array_quote (a2);
+                array_quote(a2);
+        else
+                array_quote_escapes(a2);
         if (mflags & MATCH_STARSUB) {
                 ifs = getifs();
                 sifs[0] = ifs ? *ifs : '\0';

array.h

@@ -55 +55 @@
 extern ARRAY_ELEMENT *array_unshift_element __P((ARRAY *));
 extern int      array_shift_element __P((ARRAY *, char *));
 extern ARRAY    *array_quote __P((ARRAY *));
+extern ARRAY    *array_quote_escapes __P((ARRAY *));
 
 extern char     *array_subrange __P((ARRAY *, arrayind_t, arrayind_t, int, int));
 extern char     *array_patsub __P((ARRAY *, char *, char *, int));

arrayfunc.c

@@ -618 +618 @@
   if (expok == 0)
     {
       last_command_exit_value = EXECUTION_FAILURE;
+
+      top_level_cleanup ();      
       jump_to_top_level (DISCARD);
     }
   return val;

builtins/common.c

@@ -1 @@
-/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2007 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
@@ -131 +131 @@
   if (list)
     {
       builtin_error (_("too many arguments"));
+      top_level_cleanup ();
       jump_to_top_level (DISCARD);
     }
 }
@@ -395 +396 @@
           if (fatal)
             throw_to_top_level ();
           else
-            jump_to_top_level (DISCARD);
+            {
+              top_level_cleanup ();
+              jump_to_top_level (DISCARD);
+            }
         }
       no_args (list->next);
     }
@@ -475 +479 @@
 
   if (the_current_working_directory == 0)
     {
+#if defined (GETCWD_BROKEN)
+      the_current_working_directory = getcwd (0, PATH_MAX);
+#else
       the_current_working_directory = getcwd (0, 0);
+#endif
       if (the_current_working_directory == 0)
         {
           fprintf (stderr, _("%s: error retrieving current directory: %s: %s\n"),

builtins/printf.def

@@ -1 +1 @@
 This file is printf.def, from which is created printf.c.
 It implements the builtin "printf" in Bash.
 
-Copyright (C) 1997-2005 Free Software Foundation, Inc.
+Copyright (C) 1997-2007 Free Software Foundation, Inc.
 
 This file is part of GNU Bash, the Bourne Again SHell.
 
@@ -49 +49 @@
 #  define INT_MIN               (-2147483647-1)
 #endif
 
+#if defined (PREFER_STDARG)
+#  include <stdarg.h>
+#else
+#  include <varargs.h>
+#endif
+
 #include <stdio.h>
 #include <chartypes.h>
 
@@ -64 +70 @@
 #include "bashgetopt.h"
 #include "common.h"
 
+#if defined (PRI_MACROS_BROKEN)
+#  undef PRIdMAX
+#endif
+
 #if !defined (PRIdMAX)
 #  if HAVE_LONG_LONG
 #    define PRIdMAX     "lld"
@@ -151 +161 @@
 #define SKIP1 "#'-+ 0"
 #define LENMODS "hjlLtz"
 
+#ifndef HAVE_ASPRINTF
+extern int asprintf __P((char **, const char *, ...)) __attribute__((__format__ (printf, 2, 3)));
+#endif
+
 static void printf_erange __P((char *));
 static int printstr __P((char *, char *, int, int, int));
 static int tescape __P((char *, char *, int *));

builtins/read.def

@@ -127 +127 @@
      WORD_LIST *list;
 {
   register char *varname;
-  int size, i, nr, pass_next, saw_escape, eof, opt, retval, code;
-  int input_is_tty, input_is_pipe, unbuffered_read;
+  int size, i, nr, pass_next, saw_escape, eof, opt, retval, code, print_ps2;
+  int input_is_tty, input_is_pipe, unbuffered_read, skip_ctlesc, skip_ctlnul;
   int raw, edit, nchars, silent, have_timeout, fd;
   unsigned int tmout;
   intmax_t intval;
   char c;
   char *input_string, *orig_input_string, *ifs_chars, *prompt, *arrayname;
-  char *e, *t, *t1;
+  char *e, *t, *t1, *ps2;
   struct stat tsb;
   SHELL_VAR *var;
 #if defined (ARRAY_VARS)
@@ -148 +148 @@
   USE_VAR(size);
   USE_VAR(i);
   USE_VAR(pass_next);
+  USE_VAR(print_ps2);
   USE_VAR(saw_escape);
   USE_VAR(input_is_pipe);
 /*  USE_VAR(raw); */
@@ -163 +164 @@
   USE_VAR(rlind);
 #endif
   USE_VAR(list);
+  USE_VAR(ps2);
 
   i = 0;                /* Index into the string that we are reading. */
   raw = edit = 0;       /* Not reading raw input by default. */
@@ -386 +388 @@
   setmode (0, O_TEXT);
 #endif
 
-  for (eof = retval = 0;;)
+  ps2 = 0;
+  for (print_ps2 = eof = retval = 0;;)
     {
 #if defined (READLINE)
       if (edit)
@@ -412 +415 @@
         {
 #endif
 
+      if (print_ps2)
+        {
+          if (ps2 == 0)
+            ps2 = get_string_value ("PS2");
+          fprintf (stderr, "%s", ps2 ? ps2 : "");
+          fflush (stderr);
+          print_ps2 = 0;
+        }
+
       if (unbuffered_read)
         retval = zread (fd, &c, 1);
       else
@@ -440 +452 @@
         {
           pass_next = 0;
           if (c == '\n')
-            i--;                /* back up over the CTLESC */
+            {
+              i--;              /* back up over the CTLESC */
+              if (interactive && input_is_tty && raw == 0)
+                print_ps2 = 1;
+            }
           else
             goto add_char;
           continue;

config-bot.h

@@ -1 +1 @@
 /* config-bot.h */
 /* modify settings or make new ones based on what autoconf tells us. */
 
-/* Copyright (C) 1989-2002 Free Software Foundation, Inc.
+/* Copyright (C) 1989-2007 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
@@ -70 +70 @@
 #  define TERMIOS_MISSING
 #endif
 
-/* If we have a getcwd(3), but it calls popen(), #undef HAVE_GETCWD so
-   the replacement in getcwd.c will be built. */
-#if defined (HAVE_GETCWD) && defined (GETCWD_BROKEN)
+/* If we have a getcwd(3), but one that does not dynamically allocate memory,
+   #undef HAVE_GETCWD so the replacement in getcwd.c will be built.  We do
+   not do this on Solaris, because their implementation of loopback mounts
+   breaks the traditional file system assumptions that getcwd uses. */
+#if defined (HAVE_GETCWD) && defined (GETCWD_BROKEN) && !defined (SOLARIS)
 #  undef HAVE_GETCWD
 #endif
 

config.h.in

@@ -1 +1 @@
 /* config.h -- Configuration file for bash. */
 
-/* Copyright (C) 1987-2006 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2007 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
@@ -413 +413 @@
 
 #undef HAVE_DECL_STRTOLD
 
+#undef PRI_MACROS_BROKEN
+
 #undef STRTOLD_BROKEN
 
 /* Define if WCONTINUED is defined in system headers, but rejected by waitpid */
@@ -1006 +1008 @@
 /* Define if you have the `dcgettext' function. */
 #undef HAVE_DCGETTEXT
 
+/* Define if you have the `localeconv' function. */
+#undef HAVE_LOCALECONV
+
 /* Define if your system has a working `malloc' function. */
 /* #undef HAVE_MALLOC */
 

configure

@@ -27316 +27316 @@
 sco3.2v4*)      LOCAL_CFLAGS="-DMUST_UNBLOCK_CHLD -DPATH_MAX=1024" ;;
 sco3.2*)        LOCAL_CFLAGS=-DMUST_UNBLOCK_CHLD ;;
 sunos4*)        LOCAL_CFLAGS=-DSunOS4 ;;
-solaris2.5*)    LOCAL_CFLAGS=-DSunOS5 ;;
+solaris2.5*)    LOCAL_CFLAGS="-DSunOS5 -DSOLARIS" ;;
+solaris2*)      LOCAL_CFLAGS=-DSOLARIS ;;
 lynxos*)        LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
 linux*)         LOCAL_LDFLAGS=-rdynamic          # allow dynamic loading
                 case "`uname -r`" in

configure.in

@@ -5 +5 @@
 dnl
 dnl Process this file with autoconf to produce a configure script.
 
-# Copyright (C) 1987-2006 Free Software Foundation, Inc.
+# Copyright (C) 1987-2007 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
@@ -991 +991 @@
 sco3.2v4*)      LOCAL_CFLAGS="-DMUST_UNBLOCK_CHLD -DPATH_MAX=1024" ;;
 sco3.2*)        LOCAL_CFLAGS=-DMUST_UNBLOCK_CHLD ;;
 sunos4*)        LOCAL_CFLAGS=-DSunOS4 ;;
-solaris2.5*)    LOCAL_CFLAGS=-DSunOS5 ;;
+solaris2.5*)    LOCAL_CFLAGS="-DSunOS5 -DSOLARIS" ;;
+solaris2*)      LOCAL_CFLAGS=-DSOLARIS ;;
 lynxos*)        LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
 linux*)         LOCAL_LDFLAGS=-rdynamic          # allow dynamic loading
                 case "`uname -r`" in

execute_cmd.c

@@ -1 +1 @@
 /* execute_cmd.c -- Execute a COMMAND structure. */
 
-/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2007 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
@@ -2546 +2546 @@
       arg1 = cond_expand_word (cond->left->op, 0);
       if (arg1 == 0)
         arg1 = nullstr;
-      arg2 = cond_expand_word (cond->right->op, patmatch||rmatch);
+      arg2 = cond_expand_word (cond->right->op, rmatch ? 2 : (patmatch ? 1 : 0));
       if (arg2 == 0)
         arg2 = nullstr;
 
@@ -3050 +3050 @@
   if (command_line == 0)
     command_line = savestring (the_printed_command_except_trap);
 
+#if defined (PROCESS_SUBSTITUTION)
+  if ((subshell_environment & SUBSHELL_COMSUB) && (simple_command->flags & CMD_NO_FORK) && fifos_pending() > 0)
+    simple_command->flags &= ~CMD_NO_FORK;
+#endif
+
   execute_disk_command (words, simple_command->redirects, command_line,
                         pipe_in, pipe_out, async, fds_to_close,
                         simple_command->flags);

bash-3.2

@@ -929 +929 @@
       if (interactive_shell)
         {
           expr_unwind ();
+          top_level_cleanup ();
           jump_to_top_level (DISCARD);
         }
       else

findcmd.c

@@ -308 +308 @@
   if (hashed_file && (posixly_correct || check_hashed_filenames))
     {
       st = file_status (hashed_file);
-      if ((st ^ (FS_EXISTS | FS_EXECABLE)) != 0)
+      if ((st & (FS_EXISTS|FS_EXECABLE)) != (FS_EXISTS|FS_EXECABLE))
         {
           phash_remove (pathname);
           free (hashed_file);

bash-3.2

@@ -783 +783 @@
   if (jobs[js.j_firstj] == 0)
     {
       old = js.j_firstj++;
+      if (old >= js.j_jobslots)
+        old = js.j_jobslots - 1;
       while (js.j_firstj != old)
         {
           if (js.j_firstj >= js.j_jobslots)
             js.j_firstj = 0;
-          if (jobs[js.j_firstj])
+          if (jobs[js.j_firstj] || js.j_firstj == old)  /* needed if old == 0 */
             break;
           js.j_firstj++;
         }
@@ -797 +799 @@
   if (jobs[js.j_lastj] == 0)
     {
       old = js.j_lastj--;
+      if (old < 0)
+        old = 0;
       while (js.j_lastj != old)
         {
           if (js.j_lastj < 0)
             js.j_lastj = js.j_jobslots - 1;
-          if (jobs[js.j_lastj])
+          if (jobs[js.j_lastj] || js.j_lastj == old)    /* needed if old == js.j_jobslots */
             break;
           js.j_lastj--;
         }
@@ -963 +967 @@
   reap_dead_jobs ();
   realloc_jobs_list ();
 
-  return (js.j_lastj);
+#ifdef DEBUG
+  itrace("compact_jobs_list: returning %d", (js.j_lastj || jobs[js.j_lastj]) ? js.j_lastj + 1 : 0);
+#endif
+
+  return ((js.j_lastj || jobs[js.j_lastj]) ? js.j_lastj + 1 : 0);
 }
 
 /* Delete the job at INDEX from the job list.  Must be called
@@ -984 +992 @@
   temp = jobs[job_index];
   if (temp == 0)
     return;
-  if (job_index == js.j_current || job_index == js.j_previous)
-    reset_current ();
 
   if ((dflags & DEL_NOBGPID) == 0)
     {
@@ -1028 +1034 @@
     js.j_firstj = js.j_lastj = 0;
   else if (jobs[js.j_firstj] == 0 || jobs[js.j_lastj] == 0)
     reset_job_indices ();
+
+  if (job_index == js.j_current || job_index == js.j_previous)
+    reset_current ();
 }
 
 /* Must be called with SIGCHLD blocked. */

lib/readline/complete.c

@@ -428 +428 @@
         return (1);
       if (c == 'n' || c == 'N' || c == RUBOUT)
         return (0);
-      if (c == ABORT_CHAR)
+      if (c == ABORT_CHAR || c < 0)
         _rl_abort_internal ();
       if (for_pager && (c == NEWLINE || c == RETURN))
         return (2);

lib/readline/display.c

@@ -561 +561 @@
       wrap_offset = prompt_invis_chars_first_line = 0;
     }
 
+#if defined (HANDLE_MULTIBYTE)
+#define CHECK_INV_LBREAKS() \
+      do { \
+        if (newlines >= (inv_lbsize - 2)) \
+          { \
+            inv_lbsize *= 2; \
+            inv_lbreaks = (int *)xrealloc (inv_lbreaks, inv_lbsize * sizeof (int)); \
+            _rl_wrapped_line = (int *)xrealloc (_rl_wrapped_line, inv_lbsize * sizeof (int)); \
+          } \
+      } while (0)
+#else
 #define CHECK_INV_LBREAKS() \
       do { \
         if (newlines >= (inv_lbsize - 2)) \
@@ -569 +580 @@
             inv_lbreaks = (int *)xrealloc (inv_lbreaks, inv_lbsize * sizeof (int)); \
           } \
       } while (0)
+#endif /* HANDLE_MULTIBYTE */
 
 #if defined (HANDLE_MULTIBYTE)    
 #define CHECK_LPOS() \
@@ -1506 +1518 @@
     {
       /* Non-zero if we're increasing the number of lines. */
       int gl = current_line >= _rl_vis_botlin && inv_botlin > _rl_vis_botlin;
+      /* If col_lendiff is > 0, implying that the new string takes up more
+         screen real estate than the old, but lendiff is < 0, meaning that it
+         takes fewer bytes, we need to just output the characters starting
+         from the first difference.  These will overwrite what is on the
+         display, so there's no reason to do a smart update.  This can really
+         only happen in a multibyte environment. */
+      if (lendiff < 0)
+        {
+          _rl_output_some_chars (nfd, temp);
+          _rl_last_c_pos += _rl_col_width (nfd, 0, temp);
+          /* If nfd begins before any invisible characters in the prompt,
+             adjust _rl_last_c_pos to account for wrap_offset and set
+             cpos_adjusted to let the caller know. */
+          if (current_line == 0 && wrap_offset && ((nfd - new) <= prompt_last_invisible))
+            {
+              _rl_last_c_pos -= wrap_offset;
+              cpos_adjusted = 1;
+            }
+          return;
+        }
       /* Sometimes it is cheaper to print the characters rather than
          use the terminal's capabilities.  If we're growing the number
          of lines, make sure we actually cause the new line to wrap
          around on auto-wrapping terminals. */
-      if (_rl_terminal_can_insert && ((2 * col_temp) >= col_lendiff || _rl_term_IC) && (!_rl_term_autowrap || !gl))
+      else if (_rl_terminal_can_insert && ((2 * col_temp) >= col_lendiff || _rl_term_IC) && (!_rl_term_autowrap || !gl))
         {
           /* If lendiff > prompt_visible_length and _rl_last_c_pos == 0 and
              _rl_horizontal_scroll_mode == 1, inserting the characters with
@@ -1586 +1618 @@
           temp = nls - nfd;
           if (temp > 0)
             {
+              /* If nfd begins at the prompt, or before the invisible
+                 characters in the prompt, we need to adjust _rl_last_c_pos
+                 in a multibyte locale to account for the wrap offset and
+                 set cpos_adjusted accordingly. */
               _rl_output_some_chars (nfd, temp);
-              _rl_last_c_pos += _rl_col_width (nfd, 0, temp);;
+              if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+                {
+                  _rl_last_c_pos += _rl_col_width (nfd, 0, temp);
+                  if (current_line == 0 && wrap_offset &&  ((nfd - new) <= prompt_last_invisible))
+                    {
+                      _rl_last_c_pos -= wrap_offset;
+                      cpos_adjusted = 1;
+                    }
+                }
+              else
+                _rl_last_c_pos += temp;
             }
         }
       /* Otherwise, print over the existing material. */
@@ -1595 +1641 @@
         {
           if (temp > 0)
             {
+              /* If nfd begins at the prompt, or before the invisible
+                 characters in the prompt, we need to adjust _rl_last_c_pos
+                 in a multibyte locale to account for the wrap offset and
+                 set cpos_adjusted accordingly. */
               _rl_output_some_chars (nfd, temp);
               _rl_last_c_pos += col_temp;               /* XXX */
+              if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+                {
+                  if (current_line == 0 && wrap_offset &&  ((nfd - new) <= prompt_last_invisible))
+                    {
+                      _rl_last_c_pos -= wrap_offset;
+                      cpos_adjusted = 1;
+                    }
+                }
             }
           lendiff = (oe - old) - (ne - new);
           if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
@@ -1732 +1790 @@
   if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
     {
       dpos = _rl_col_width (data, 0, new);
-      if (dpos > prompt_last_invisible)         /* XXX - don't use woff here */
+      /* Use NEW when comparing against the last invisible character in the
+         prompt string, since they're both buffer indices and DPOS is a
+         desired display position. */
+      if (new > prompt_last_invisible)          /* XXX - don't use woff here */
         {
           dpos -= woff;
           /* Since this will be assigned to _rl_last_c_pos at the end (more
@@ -2380 +2441 @@
 
   if (end <= start)
     return 0;
+  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+    return (end - start);
 
   memset (&ps, 0, sizeof (mbstate_t));
 

lib/readline/input.c

@@ -133 +133 @@
     return (0);
 
   *key = ibuffer[pop_index++];
-
+#if 0
   if (pop_index >= ibuffer_len)
+#else
+  if (pop_index > ibuffer_len)
+#endif
     pop_index = 0;
 
   return (1);
@@ -250 +253 @@
       while (chars_avail--)
         {
           k = (*rl_getc_function) (rl_instream);
-          rl_stuff_char (k);
+          if (rl_stuff_char (k) == 0)
+            break;                      /* some problem; no more room */
           if (k == NEWLINE || k == RETURN)
             break;
         }
@@ -373 +377 @@
       RL_SETSTATE (RL_STATE_INPUTPENDING);
     }
   ibuffer[push_index++] = key;
+#if 0
   if (push_index >= ibuffer_len)
+#else
+  if (push_index > ibuffer_len)
+#endif
     push_index = 0;
 
   return 1;
@@ -513 +521 @@
      char *mbchar;
      int size;
 {
-  int mb_len = 0;
+  int mb_len, c;
   size_t mbchar_bytes_length;
   wchar_t wc;
   mbstate_t ps, ps_back;
 
   memset(&ps, 0, sizeof (mbstate_t));
   memset(&ps_back, 0, sizeof (mbstate_t));
-  
+
+  mb_len = 0;  
   while (mb_len < size)
     {
       RL_SETSTATE(RL_STATE_MOREINPUT);
-      mbchar[mb_len++] = rl_read_key ();
+      c = rl_read_key ();
       RL_UNSETSTATE(RL_STATE_MOREINPUT);
 
+      if (c < 0)
+        break;
+
+      mbchar[mb_len++] = c;
+
       mbchar_bytes_length = mbrtowc (&wc, mbchar, mb_len, &ps);
       if (mbchar_bytes_length == (size_t)(-1))
         break;          /* invalid byte sequence for the current locale */
@@ -564 +578 @@
 
   c = first;
   memset (mb, 0, mlen);
-  for (i = 0; i < mlen; i++)
+  for (i = 0; c >= 0 && i < mlen; i++)
     {
       mb[i] = (char)c;
       memset (&ps, 0, sizeof (mbstate_t));

lib/readline/isearch.c

@@ -327 +327 @@
   rl_command_func_t *f;
 
   f = (rl_command_func_t *)NULL;
- 
- /* Translate the keys we do something with to opcodes. */
+
+  if (c < 0)
+    {
+      cxt->sflags |= SF_FAILED;
+      cxt->history_pos = cxt->last_found_line;
+      return -1;
+    }
+
+  /* Translate the keys we do something with to opcodes. */
   if (c >= 0 && _rl_keymap[c].type == ISFUNC)
     {
       f = _rl_keymap[c].function;

lib/readline/misc.c

@@ -146 +146 @@
           rl_restore_prompt ();
           rl_clear_message ();
           RL_UNSETSTATE(RL_STATE_NUMERICARG);
+          if (key < 0)
+            return -1;
           return (_rl_dispatch (key, _rl_keymap));
         }
     }

lib/readline/readline.c

@@ -645 +645 @@
   if ((cxt->flags & KSEQ_DISPATCHED) == 0)
     {
       nkey = _rl_subseq_getchar (cxt->okey);
+      if (nkey < 0)
+        {
+          _rl_abort_internal ();
+          return -1;
+        }
       r = _rl_dispatch_subseq (nkey, cxt->dmap, cxt->subseq_arg);
       cxt->flags |= KSEQ_DISPATCHED;
     }

lib/readline/text.c

@@ -857 +857 @@
   c = rl_read_key ();
   RL_UNSETSTATE(RL_STATE_MOREINPUT);
 
+  if (c < 0)
+    return -1;
+
 #if defined (HANDLE_SIGNALS)
   if (RL_ISSTATE (RL_STATE_CALLBACK) == 0)
     _rl_restore_tty_signals ();
@@ -1520 +1523 @@
 
   mb_len = _rl_read_mbchar (mbchar, MB_LEN_MAX);
 
+  if (mb_len <= 0)
+    return -1;
+
   if (count < 0)
     return (_rl_char_search_internal (-count, bdir, mbchar, mb_len));
   else
@@ -1536 +1542 @@
   c = rl_read_key ();
   RL_UNSETSTATE(RL_STATE_MOREINPUT);
 
+  if (c < 0)
+    return -1;
+
   if (count < 0)
     return (_rl_char_search_internal (-count, bdir, c));
   else

lib/readline/vi_mode.c

@@ -886 +886 @@
   RL_SETSTATE(RL_STATE_MOREINPUT);
   c = rl_read_key ();
   RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+  if (c < 0)
+    {
+      *nextkey = 0;
+      return -1;
+    }
+
   *nextkey = c;
 
   if (!member (c, vi_motion))
@@ -902 +909 @@
           RL_SETSTATE(RL_STATE_MOREINPUT);
           c = rl_read_key ();   /* real command */
           RL_UNSETSTATE(RL_STATE_MOREINPUT);
+          if (c < 0)
+            {
+              *nextkey = 0;
+              return -1;
+            }
           *nextkey = c;
         }
       else if (key == c && (key == 'd' || key == 'y' || key == 'c'))
@@ -1224 +1236 @@
 _rl_vi_callback_char_search (data)
      _rl_callback_generic_arg *data;
 {
+  int c;
 #if defined (HANDLE_MULTIBYTE)
-  _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+  c = _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
 #else
   RL_SETSTATE(RL_STATE_MOREINPUT);
-  _rl_vi_last_search_char = rl_read_key ();
+  c = rl_read_key ();
   RL_UNSETSTATE(RL_STATE_MOREINPUT);
 #endif
 
+  if (c <= 0)
+    return -1;
+
+#if !defined (HANDLE_MULTIBYTE)
+  _rl_vi_last_search_char = c;
+#endif
+
   _rl_callback_func = 0;
   _rl_want_redisplay = 1;
 
@@ -1247 +1267 @@
 rl_vi_char_search (count, key)
      int count, key;
 {
+  int c;
 #if defined (HANDLE_MULTIBYTE)
   static char *target;
   static int tlen;
@@ -1293 +1314 @@
       else
         {
 #if defined (HANDLE_MULTIBYTE)
-          _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+          c = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+          if (c <= 0)
+            return -1;
+          _rl_vi_last_search_mblen = c;
 #else
           RL_SETSTATE(RL_STATE_MOREINPUT);
-          _rl_vi_last_search_char = rl_read_key ();
+          c = rl_read_key ();
           RL_UNSETSTATE(RL_STATE_MOREINPUT);
+          if (c < 0)
+            return -1;
+          _rl_vi_last_search_char = c;
 #endif
         }
     }
@@ -1467 +1494 @@
   c = rl_read_key ();
   RL_UNSETSTATE(RL_STATE_MOREINPUT);
 
+  if (c < 0)
+    return -1;
+
 #if defined (HANDLE_MULTIBYTE)
   if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
     c = _rl_read_mbstring (c, mb, mlen);
@@ -1485 +1515 @@
 
   _rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
 
+  if (c < 0)
+    return -1;
+
   _rl_callback_func = 0;
   _rl_want_redisplay = 1;
 
@@ -1516 +1549 @@
   else
     _rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
 
+  if (c < 0)
+    return -1;
+
   return (_rl_vi_change_char (count, c, mb));
 }
 
@@ -1650 +1686 @@
   ch = rl_read_key ();
   RL_UNSETSTATE(RL_STATE_MOREINPUT);
 
-  if (ch < 'a' || ch > 'z')
+  if (ch < 0 || ch < 'a' || ch > 'z')   /* make test against 0 explicit */
     {
       rl_ding ();
       return -1;
@@ -1702 +1738 @@
       rl_point = rl_mark;
       return 0;
     }
-  else if (ch < 'a' || ch > 'z')
+  else if (ch < 0 || ch < 'a' || ch > 'z')      /* make test against 0 explicit */
     {
       rl_ding ();
       return -1;

lib/sh/snprintf.c

@@ -471 +471 @@
           10^x ~= r
  * log_10(200) = 2;
  * log_10(250) = 2;
+ *
+ * NOTE: do not call this with r == 0 -- an infinite loop results.
  */
 static int
 log_10(r)
@@ -576 +578 @@
     { 
       integral_part[0] = '0';
       integral_part[1] = '\0';
-      fraction_part[0] = '0';
-      fraction_part[1] = '\0';
+      /* The fractional part has to take the precision into account */
+      for (ch = 0; ch < precision-1; ch++)
+        fraction_part[ch] = '0';
+      fraction_part[ch] = '0';
+      fraction_part[ch+1] = '\0';
       if (fract)
         *fract = fraction_part;
       return integral_part;
@@ -663 +668 @@
     p->flags &= ~PF_ZEROPAD;
 
   sd = d;       /* signed for ' ' padding in base 10 */
-  flags = (*p->pf == 'u' || *p->pf == 'U') ? FL_UNSIGNED : 0;
+  flags = 0;
+  flags = (*p->pf == 'x' || *p->pf == 'X' || *p->pf == 'o' || *p->pf == 'u' || *p->pf == 'U') ? FL_UNSIGNED : 0;
   if (*p->pf == 'X')
     flags |= FL_HEXUPPER;
 
@@ -733 +739 @@
     p->flags &= ~PF_ZEROPAD;
 
   sd = d;       /* signed for ' ' padding in base 10 */
-  flags = (*p->pf == 'u' || *p->pf == 'U') ? FL_UNSIGNED : 0;
+  flags = (*p->pf == 'x' || *p->pf == 'X' || *p->pf == 'o' || *p->pf == 'u' || *p->pf == 'U') ? FL_UNSIGNED : 0;
   if (*p->pf == 'X')
     flags |= FL_HEXUPPER;
 
@@ -805 +811 @@
       PUT_CHAR(*tmp, p);
       tmp++;
     }
+
   PAD_LEFT(p);
 }
 
@@ -972 +979 @@
   if ((p->flags & PF_THOUSANDS) && grouping && (t = groupnum (tmp)))
     tmp = t;
 
+  if ((*p->pf == 'g' || *p->pf == 'G') && (p->flags & PF_ALTFORM) == 0)
+    {
+      /* smash the trailing zeros unless altform */
+      for (i = strlen(tmp2) - 1; i >= 0 && tmp2[i] == '0'; i--)
+        tmp2[i] = '\0'; 
+      if (tmp2[0] == '\0')
+        p->precision = 0;
+    }
+
   /* calculate the padding. 1 for the dot */
   p->width = p->width -
             ((d > 0. && p->justify == RIGHT) ? 1:0) -
             ((p->flags & PF_SPACE) ? 1:0) -
-            strlen(tmp) - p->precision - 1;
+            strlen(tmp) - p->precision -
+            ((p->precision != 0 || (p->flags & PF_ALTFORM)) ? 1 : 0);   /* radix char */
   PAD_RIGHT(p);  
   PUT_PLUS(d, p, 0.);
   PUT_SPACE(d, p, 0.);
@@ -991 +1008 @@
   if (p->precision != 0 || (p->flags & PF_ALTFORM))
     PUT_CHAR(decpoint, p);  /* put the '.' */
 
-  if ((*p->pf == 'g' || *p->pf == 'G') && (p->flags & PF_ALTFORM) == 0)
-    /* smash the trailing zeros unless altform */
-    for (i = strlen(tmp2) - 1; i >= 0 && tmp2[i] == '0'; i--)
-      tmp2[i] = '\0'; 
-
   for (; *tmp2; tmp2++)
     PUT_CHAR(*tmp2, p); /* the fraction */
   
@@ -1011 +1023 @@
   char *tmp, *tmp2;
   int j, i;
 
-  if (chkinfnan(p, d, 1) || chkinfnan(p, d, 2))
+  if (d != 0 && (chkinfnan(p, d, 1) || chkinfnan(p, d, 2)))
     return;     /* already printed nan or inf */
 
   GETLOCALEDATA(decpoint, thoussep, grouping);
   DEF_PREC(p);
-  j = log_10(d);
-  d = d / pow_10(j);  /* get the Mantissa */
-  d = ROUND(d, p);                
+  if (d == 0.)
+    j = 0;
+  else
+    {
+      j = log_10(d);
+      d = d / pow_10(j);  /* get the Mantissa */
+      d = ROUND(d, p);            
+    }
   tmp = dtoa(d, p->precision, &tmp2);
 
   /* 1 for unit, 1 for the '.', 1 for 'e|E',
@@ -1076 +1093 @@
        PUT_CHAR(*tmp, p);
        tmp++;
      }
+
    PAD_LEFT(p);
 }
 #endif
@@ -1358 +1376 @@
                 STAR_ARGS(data);
                 DEF_PREC(data);
                 d = GETDOUBLE(data);
-                i = log_10(d);
+                i = (d != 0.) ? log_10(d) : -1;
                 /*
                  * for '%g|%G' ANSI: use f if exponent
                  * is in the range or [-4,p] exclusively

parse.y

@@ -1029 +1029 @@
 #define PST_CMDTOKEN    0x1000          /* command token OK - unused */
 #define PST_COMPASSIGN  0x2000          /* parsing x=(...) compound assignment */
 #define PST_ASSIGNOK    0x4000          /* assignment statement ok in this context */
+#define PST_REGEXP      0x8000          /* parsing an ERE/BRE as a single word */
 
 /* Initial size to allocate for tokens, and the
    amount to grow them by. */
@@ -2591 +2592 @@
       return (character);
     }
 
+  if (parser_state & PST_REGEXP)
+    goto tokword;
+
   /* Shell meta-characters. */
   if MBTEST(shellmeta (character) && ((parser_state & PST_DBLPAREN) == 0))
     {
@@ -2698 +2702 @@
   if MBTEST(character == '-' && (last_read_token == LESS_AND || last_read_token == GREATER_AND))
     return (character);
 
+tokword:
   /* Okay, if we got this far, we have to read a word.  Read one,
      and then check it against the known ones. */
   result = read_token_word (character);
@@ -2735 +2740 @@
 /* itrace("parse_matched_pair: open = %c close = %c", open, close); */
   count = 1;
   pass_next_character = backq_backslash = was_dollar = in_comment = 0;
-  check_comment = (flags & P_COMMAND) && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0;
+  check_comment = (flags & P_COMMAND) && qc != '`' && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0;
 
   /* RFLAGS is the set of flags we want to pass to recursive calls. */
   rflags = (qc == '"') ? P_DQUOTE : (flags & P_DQUOTE);
@@ -3202 +3207 @@
       if (tok == WORD && test_binop (yylval.word->word))
         op = yylval.word;
 #if defined (COND_REGEXP)
-      else if (tok == WORD && STREQ (yylval.word->word,"=~"))
-        op = yylval.word;
+      else if (tok == WORD && STREQ (yylval.word->word, "=~"))
+        {
+          op = yylval.word;
+          parser_state |= PST_REGEXP;
+        }
 #endif
       else if (tok == '<' || tok == '>')
         op = make_word_from_token (tok);  /* ( */
@@ -3234 +3242 @@
 
       /* rhs */
       tok = read_token (READ);
+      parser_state &= ~PST_REGEXP;
       if (tok == WORD)
         {
           tright = make_cond_node (COND_TERM, yylval.word, (COND_COM *)NULL, (COND_COM *)NULL);
@@ -3367 +3376 @@
       if (pass_next_character)
         {
           pass_next_character = 0;
-          goto got_character;
+          goto got_escaped_character;
         }
 
       cd = current_delimiter (dstack);
@@ -3419 +3428 @@
           goto next_character;
         }
 
+#ifdef COND_REGEXP
+      /* When parsing a regexp as a single word inside a conditional command,
+         we need to special-case characters special to both the shell and
+         regular expressions.  Right now, that is only '(' and '|'. */ /*)*/
+      if MBTEST((parser_state & PST_REGEXP) && (character == '(' || character == '|'))          /*)*/
+        {
+          if (character == '|')
+            goto got_character;
+
+          push_delimiter (dstack, character);
+          ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
+          pop_delimiter (dstack);
+          if (ttok == &matched_pair_error)
+            return -1;          /* Bail immediately. */
+          RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+                                  token_buffer_size, TOKEN_DEFAULT_GROW_SIZE);
+          token[token_index++] = character;
+          strcpy (token + token_index, ttok);
+          token_index += ttoklen;
+          FREE (ttok);
+          dollar_present = all_digit_token = 0;
+          goto next_character;
+        }
+#endif /* COND_REGEXP */
+
 #ifdef EXTENDED_GLOB
       /* Parse a ksh-style extended pattern matching specification. */
-      if (extended_glob && PATTERN_CHAR (character))
+      if MBTEST(extended_glob && PATTERN_CHAR (character))
         {
           peek_char = shell_getc (1);
           if MBTEST(peek_char == '(')           /* ) */
@@ -3616 +3650 @@
 
     got_character:
 
-      all_digit_token &= DIGIT (character);
-      dollar_present |= character == '$';
-
       if (character == CTLESC || character == CTLNUL)
         token[token_index++] = CTLESC;
 
+    got_escaped_character:
+
+      all_digit_token &= DIGIT (character);
+      dollar_present |= character == '$';
+
       token[token_index++] = character;
 
       RESIZE_MALLOCED_BUFFER (token, token_index, 1, token_buffer_size,

patchlevel.h

@@ -25 +25 @@
    regexp `^#define[    ]*PATCHLEVEL', since that's what support/mkversion.sh
    looks for to find the patch level (for the sccs version string). */
 
-#define PATCHLEVEL 0
+#define PATCHLEVEL 25
 
 #endif /* _PATCHLEVEL_H_ */

pathexp.c

@@ -1 +1 @@
 /* pathexp.c -- The shell interface to the globbing library. */
 
-/* Copyright (C) 1995-2002 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2007 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
@@ -110 +110 @@
   return (0);
 }
 
+/* Return 1 if C is a character that is `special' in a POSIX ERE and needs to
+   be quoted to match itself. */
+static inline int
+ere_char (c)
+     int c;
+{
+  switch (c)
+    {
+    case '.':
+    case '[':
+    case '\\':
+    case '(':
+    case ')':
+    case '*':
+    case '+':
+    case '?':
+    case '{':
+    case '|':
+    case '^':
+    case '$':
+      return 1;
+    default: 
+      return 0;
+    }
+  return (0);
+}
+
 /* PATHNAME can contain characters prefixed by CTLESC; this indicates
    that the character is to be quoted.  We quote it here in the style
    that the glob library recognizes.  If flags includes QGLOB_CVTNULL,
@@ -142 +169 @@
         {
           if ((qflags & QGLOB_FILENAME) && pathname[i+1] == '/')
             continue;
+          if ((qflags & QGLOB_REGEXP) && ere_char (pathname[i+1]) == 0)
+            continue;
           temp[j++] = '\\';
           i++;
           if (pathname[i] == '\0')

pathexp.h

@@ -1 +1 @@
 /* pathexp.h -- The shell interface to the globbing library. */
 
-/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2007 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
@@ -32 +32 @@
 /* Flag values for quote_string_for_globbing */
 #define QGLOB_CVTNULL   0x01    /* convert QUOTED_NULL strings to '\0' */
 #define QGLOB_FILENAME  0x02    /* do correct quoting for matching filenames */
+#define QGLOB_REGEXP    0x04    /* quote an ERE for regcomp/regexec */
 
 #if defined (EXTENDED_GLOB)
 /* Flags to OR with other flag args to strmatch() to enabled the extended

po/ru.po

@@ -12 +12 @@
 "Last-Translator: Evgeniy Dushistov <dushistov@mail.ru>\n"
 "Language-Team: Russian <ru@li.org>\n"
 "MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Type: text/plain; charset=KOI8-R\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 

bash-3.2

@@ -350 +350 @@
 #undef XSIG
 #undef XHANDLER
 
+/* Run some of the cleanups that should be performed when we run
+   jump_to_top_level from a builtin command context.  XXX - might want to
+   also call reset_parser here. */
+void
+top_level_cleanup ()
+{
+  /* Clean up string parser environment. */
+  while (parse_and_execute_level)
+    parse_and_execute_cleanup ();
+
+#if defined (PROCESS_SUBSTITUTION)
+  unlink_fifo_list ();
+#endif /* PROCESS_SUBSTITUTION */
+
+  run_unwind_protects ();
+  loop_level = continuing = breaking = 0;
+  return_catch_flag = 0;
+}
+
 /* What to do when we've been interrupted, and it is safe to handle it. */
 void
 throw_to_top_level ()

bash-3.2

@@ -121 +121 @@
 extern void initialize_signals __P((int));
 extern void initialize_terminating_signals __P((void));
 extern void reset_terminating_signals __P((void));
+extern void top_level_cleanup __P((void));
 extern void throw_to_top_level __P((void));
 extern void jump_to_top_level __P((int)) __attribute__((__noreturn__));
 

subst.c

@@ -4 +4 @@
 /* ``Have a little faith, there's magic in the night.  You ain't a
      beauty, but, hey, you're alright.'' */
 
-/* Copyright (C) 1987-2006 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2007 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
@@ -1278 +1278 @@
     {
       if (no_longjmp_on_fatal_error == 0)
         {                       /* { */
-          report_error ("bad substitution: no closing `%s' in %s", "}", string);
+          report_error (_("bad substitution: no closing `%s' in %s"), "}", string);
           last_command_exit_value = EXECUTION_FAILURE;
           exp_jump_to_top_level (DISCARD);
         }
@@ -1887 +1887 @@
   sep[1] = '\0';
 #endif
 
+  /* XXX -- why call quote_list if ifs == 0?  we can get away without doing
+     it now that quote_escapes quotes spaces */
+#if 0
   tlist = ((quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) || (ifs && *ifs == 0))
+#else
+  tlist = (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))
+#endif
                 ? quote_list (list)
                 : list_quote_escapes (list);
 
@@ -2646 +2652 @@
 
 /* This needs better error handling. */
 /* Expand W for use as an argument to a unary or binary operator in a
-   [[...]] expression.  If SPECIAL is nonzero, this is the rhs argument
+   [[...]] expression.  If SPECIAL is 1, this is the rhs argument
    to the != or == operator, and should be treated as a pattern.  In
-   this case, we quote the string specially for the globbing code.  The
-   caller is responsible for removing the backslashes if the unquoted
-   words is needed later. */   
+   this case, we quote the string specially for the globbing code.  If
+   SPECIAL is 2, this is an rhs argument for the =~ operator, and should
+   be quoted appropriately for regcomp/regexec.  The caller is responsible
+   for removing the backslashes if the unquoted word is needed later. */   
 char *
 cond_expand_word (w, special)
      WORD_DESC *w;
@@ -2658 +2665 @@
 {
   char *r, *p;
   WORD_LIST *l;
+  int qflags;
 
   if (w->word == 0 || w->word[0] == '\0')
     return ((char *)NULL);
@@ -2672 +2680 @@
         }
       else
         {
+          qflags = QGLOB_CVTNULL;
+          if (special == 2)
+            qflags |= QGLOB_REGEXP;
           p = string_list (l);
-          r = quote_string_for_globbing (p, QGLOB_CVTNULL);
+          r = quote_string_for_globbing (p, qflags);
           free (p);
         }
       dispose_words (l);
@@ -2916 +2927 @@
 
 /* Quote escape characters in string s, but no other characters.  This is
    used to protect CTLESC and CTLNUL in variable values from the rest of
-   the word expansion process after the variable is expanded. */
+   the word expansion process after the variable is expanded.  If IFS is
+   null, we quote spaces as well, just in case we split on spaces later
+   (in the case of unquoted $@, we will eventually attempt to split the
+   entire word on spaces).  Corresponding code exists in dequote_escapes.
+   Even if we don't end up splitting on spaces, quoting spaces is not a
+   problem. */
 char *
 quote_escapes (string)
      char *string;
@@ -2924 +2940 @@
   register char *s, *t;
   size_t slen;
   char *result, *send;
+  int quote_spaces;
   DECLARE_MBSTATE; 
 
   slen = strlen (string);
   send = string + slen;
 
+  quote_spaces = (ifs_value && *ifs_value == 0);
   t = result = (char *)xmalloc ((slen * 2) + 1);
   s = string;
 
   while (*s)
     {
-      if (*s == CTLESC || *s == CTLNUL)
+      if (*s == CTLESC || *s == CTLNUL || (quote_spaces && *s == ' '))
         *t++ = CTLESC;
       COPY_CHAR_P (t, s, send);
     }
@@ -2976 +2994 @@
   register char *s, *t;
   size_t slen;
   char *result, *send;
+  int quote_spaces;
   DECLARE_MBSTATE;
 
   if (string == 0)
@@ -2990 +3009 @@
   if (strchr (string, CTLESC) == 0)
     return (strcpy (result, s));
 
+  quote_spaces = (ifs_value && *ifs_value == 0);
   while (*s)
     {
-      if (*s == CTLESC && (s[1] == CTLESC || s[1] == CTLNUL))
+      if (*s == CTLESC && (s[1] == CTLESC || s[1] == CTLNUL || (quote_spaces && s[1] == ' ')))
         {
           s++;
           if (*s == '\0')
@@ -3954 +3974 @@
   if (patspec == RP_LONG_LEFT || patspec == RP_LONG_RIGHT)
     patstr++;
 
-  pattern = getpattern (patstr, quoted, 1);
+  /* Need to pass getpattern newly-allocated memory in case of expansion --
+     the expansion code will free the passed string on an error. */
+  temp1 = savestring (patstr);
+  pattern = getpattern (temp1, quoted, 1);
+  free (temp1);
 
   temp1 = (char *)NULL;         /* shut up gcc */
   switch (vtype)
@@ -4123 +4147 @@
     nfifo = 0;
 }
 
+int
+fifos_pending ()
+{
+  return nfifo;
+}
+
 static char *
 make_named_pipe ()
 {
@@ -4172 +4202 @@
   nfds++;
 }
 
+int
+fifos_pending ()
+{
+  return 0;     /* used for cleanup; not needed with /dev/fd */
+}
+
 void
 unlink_fifo_list ()
 {
@@ -4456 +4492 @@
       /* Add the character to ISTRING, possibly after resizing it. */
       RESIZE_MALLOCED_BUFFER (istring, istring_index, 2, istring_size, DEFAULT_ARRAY_SIZE);
 
-      if ((quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) || c == CTLESC || c == CTLNUL)
+      /* This is essentially quote_string inline */
+      if ((quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) /* || c == CTLESC || c == CTLNUL */)
+        istring[istring_index++] = CTLESC;
+      /* Escape CTLESC and CTLNUL in the output to protect those characters
+         from the rest of the word expansions (word splitting and globbing.)
+         This is essentially quote_escapes inline. */
+      else if (c == CTLESC)
+        istring[istring_index++] = CTLESC;
+      else if (c == CTLNUL || (c == ' ' && (ifs_value && *ifs_value == 0)))
         istring[istring_index++] = CTLESC;
 
       istring[istring_index++] = c;
@@ -4665 +4709 @@
 
       last_command_exit_value = rc;
       rc = run_exit_trap ();
+#if defined (PROCESS_SUBSTITUTION)
+      unlink_fifo_list ();
+#endif
       exit (rc);
     }
   else
@@ -5546 +5593 @@
          so verify_substring_values just returns the numbers specified and we
          rely on array_subrange to understand how to deal with them). */
       tt = array_subrange (array_cell (v), e1, e2, starsub, quoted);
+#if 0
+      /* array_subrange now calls array_quote_escapes as appropriate, so the
+         caller no longer needs to. */
       if ((quoted & (Q_DOUBLE_QUOTES|Q_HERE_DOCUMENT)) == 0)
         {
           temp = tt ? quote_escapes (tt) : (char *)NULL;
           FREE (tt);
         }
       else
+#endif
         temp = tt;
       break;
 #endif
@@ -5707 +5758 @@
   vtype &= ~VT_STARSUB;
 
   mflags = 0;
+  if (patsub && *patsub == '/')
+    {
+      mflags |= MATCH_GLOBREP;
+      patsub++;
+    }
 
   /* Malloc this because expand_string_if_necessary or one of the expansion
      functions in its call chain may free it on a substitution error. */
@@ -5741 +5797 @@
     }
 
   /* ksh93 doesn't allow the match specifier to be a part of the expanded
-     pattern.  This is an extension. */
+     pattern.  This is an extension.  Make sure we don't anchor the pattern
+     at the beginning or end of the string if we're doing global replacement,
+     though. */
   p = pat;
-  if (pat && pat[0] == '/')
-    {
-      mflags |= MATCH_GLOBREP|MATCH_ANY;
-      p++;
-    }
+  if (mflags & MATCH_GLOBREP)
+    mflags |= MATCH_ANY;
   else if (pat && pat[0] == '#')
     {
       mflags |= MATCH_BEG;
@@ -5798 +5853 @@
 #if defined (ARRAY_VARS)
     case VT_ARRAYVAR:
       temp = array_patsub (array_cell (v), p, rep, mflags);
+#if 0
+      /* Don't need to do this anymore; array_patsub calls array_quote_escapes
+         as appropriate before adding the space separators. */
       if (temp && (mflags & MATCH_QUOTED) == 0)
         {
           tt = quote_escapes (temp);
           free (temp);
           temp = tt;
         }
+#endif
       break;
 #endif
     }
@@ -7607 +7666 @@
   expand_no_split_dollar_star = 0;      /* XXX */
   expanding_redir = 0;
 
+  top_level_cleanup ();                 /* from sig.c */
+
   jump_to_top_level (v);
 }
 
@@ -7824 +7885 @@
           else if (fail_glob_expansion != 0)
             {
               report_error (_("no match: %s"), tlist->word->word);
-              jump_to_top_level (DISCARD);
+              exp_jump_to_top_level (DISCARD);
             }
           else if (allow_null_glob_expansion == 0)
             {

subst.h

@@ -222 +222 @@
 extern char *command_substitute __P((char *, int));
 extern char *pat_subst __P((char *, char *, char *, int));
 
+extern int fifos_pending __P((void));
 extern void unlink_fifo_list __P((void));
 
 extern WORD_LIST *list_string_with_quotes __P((char *));

tests/new-exp.right

@@ -430 +430 @@
 Case06---1---A B C::---
 Case07---3---A:B:C---
 Case08---3---A:B:C---
-./new-exp.tests: line 506: /${$(($#-1))}: bad substitution
+./new-exp.tests: line 506: ${$(($#-1))}: bad substitution
 argv[1] = <a>
 argv[2] = <b>
 argv[3] = <c>

variables.c

@@ -1821 +1821 @@
           oval = value_cell (var);
           lval = evalexp (oval, &expok);        /* ksh93 seems to do this */
           if (expok == 0)
-            jump_to_top_level (DISCARD);
+            {
+              top_level_cleanup ();
+              jump_to_top_level (DISCARD);
+            }
         }
       rval = evalexp (value, &expok);
       if (expok == 0)
-        jump_to_top_level (DISCARD);
+        {
+          top_level_cleanup ();
+          jump_to_top_level (DISCARD);
+        }
       if (flags & ASS_APPEND)
         rval += lval;
       retval = itos (rval);