Submitted By: Matt Burgess Date: 2013-03-12 Initial Package Version: 4.2 Upstream Status: Already in upstream patch repo Origin: Upstream Description: This patch contains upstream patch numbers 001 thru 045. diff -Naur bash-4.2.orig/assoc.c bash-4.2/assoc.c --- bash-4.2.orig/assoc.c 2009-08-06 00:19:40.000000000 +0000 +++ bash-4.2/assoc.c 2013-03-12 21:55:21.530771482 +0000 @@ -77,6 +77,11 @@ b = hash_search (key, hash, HASH_CREATE); if (b == 0) return -1; + /* If we are overwriting an existing element's value, we're not going to + use the key. Nothing in the array assignment code path frees the key + string, so we can free it here to avoid a memory leak. */ + if (b->key != key) + free (key); FREE (b->data); b->data = value ? savestring (value) : (char *)0; return (0); diff -Naur bash-4.2.orig/bashline.c bash-4.2/bashline.c --- bash-4.2.orig/bashline.c 2011-01-16 20:32:47.000000000 +0000 +++ bash-4.2/bashline.c 2013-03-12 21:55:21.646771944 +0000 @@ -121,6 +121,9 @@ static int filename_completion_ignore __P((char **)); static int bash_push_line __P((void)); +static rl_icppfunc_t *save_directory_hook __P((void)); +static void reset_directory_hook __P((rl_icppfunc_t *)); + static void cleanup_expansion_error __P((void)); static void maybe_make_readline_line __P((char *)); static void set_up_new_line __P((char *)); @@ -243,10 +246,17 @@ /* Perform spelling correction on directory names during word completion */ int dircomplete_spelling = 0; +/* Expand directory names during word/filename completion. */ +int dircomplete_expand = 0; +int dircomplete_expand_relpath = 0; + static char *bash_completer_word_break_characters = " \t\n\"'@><=;|&(:"; static char *bash_nohostname_word_break_characters = " \t\n\"'><=;|&(:"; /* )) */ +static const char *default_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!:{~"; /*}*/ +static char *custom_filename_quote_characters = 0; + static rl_hook_func_t *old_rl_startup_hook = (rl_hook_func_t *)NULL; static int dot_in_path = 0; @@ -501,7 +511,7 @@ /* Tell the completer that we might want to follow symbolic links or do other expansion on directory names. */ - rl_directory_rewrite_hook = bash_directory_completion_hook; + set_directory_hook (); rl_filename_rewrite_hook = bash_filename_rewrite_hook; @@ -529,7 +539,7 @@ enable_hostname_completion (perform_hostname_completion); /* characters that need to be quoted when appearing in filenames. */ - rl_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!:{~"; /*}*/ + rl_filename_quote_characters = default_filename_quote_characters; rl_filename_quoting_function = bash_quote_filename; rl_filename_dequoting_function = bash_dequote_filename; @@ -564,8 +574,10 @@ tilde_initialize (); rl_attempted_completion_function = attempt_shell_completion; rl_completion_entry_function = NULL; - rl_directory_rewrite_hook = bash_directory_completion_hook; rl_ignore_some_completions_function = filename_completion_ignore; + rl_filename_quote_characters = default_filename_quote_characters; + + set_directory_hook (); } /* Contains the line to push into readline. */ @@ -1279,6 +1291,9 @@ matches = (char **)NULL; rl_ignore_some_completions_function = filename_completion_ignore; + rl_filename_quote_characters = default_filename_quote_characters; + set_directory_hook (); + /* Determine if this could be a command word. It is if it appears at the start of the line (ignoring preceding whitespace), or if it appears after a character that separates commands. It cannot be a @@ -1591,6 +1606,12 @@ } else { + if (dircomplete_expand && dot_or_dotdot (filename_hint)) + { + dircomplete_expand = 0; + set_directory_hook (); + dircomplete_expand = 1; + } mapping_over = 4; goto inner; } @@ -1791,6 +1812,9 @@ inner: val = rl_filename_completion_function (filename_hint, istate); + if (mapping_over == 4 && dircomplete_expand) + set_directory_hook (); + istate = 1; if (val == 0) @@ -2693,6 +2717,52 @@ return conv; } +/* Functions to save and restore the appropriate directory hook */ +/* This is not static so the shopt code can call it */ +void +set_directory_hook () +{ + if (dircomplete_expand) + { + rl_directory_completion_hook = bash_directory_completion_hook; + rl_directory_rewrite_hook = (rl_icppfunc_t *)0; + } + else + { + rl_directory_rewrite_hook = bash_directory_completion_hook; + rl_directory_completion_hook = (rl_icppfunc_t *)0; + } +} + +static rl_icppfunc_t * +save_directory_hook () +{ + rl_icppfunc_t *ret; + + if (dircomplete_expand) + { + ret = rl_directory_completion_hook; + rl_directory_completion_hook = (rl_icppfunc_t *)NULL; + } + else + { + ret = rl_directory_rewrite_hook; + rl_directory_rewrite_hook = (rl_icppfunc_t *)NULL; + } + + return ret; +} + +static void +restore_directory_hook (hookf) + rl_icppfunc_t *hookf; +{ + if (dircomplete_expand) + rl_directory_completion_hook = hookf; + else + rl_directory_rewrite_hook = hookf; +} + /* Handle symbolic link references and other directory name expansions while hacking completion. This should return 1 if it modifies the DIRNAME argument, 0 otherwise. It should make sure not to modify @@ -2702,20 +2772,31 @@ char **dirname; { char *local_dirname, *new_dirname, *t; - int return_value, should_expand_dirname; + int return_value, should_expand_dirname, nextch, closer; WORD_LIST *wl; struct stat sb; - return_value = should_expand_dirname = 0; + return_value = should_expand_dirname = nextch = closer = 0; local_dirname = *dirname; - if (mbschr (local_dirname, '$')) - should_expand_dirname = 1; + if (t = mbschr (local_dirname, '$')) + { + should_expand_dirname = '$'; + nextch = t[1]; + /* Deliberately does not handle the deprecated $[...] arithmetic + expansion syntax */ + if (nextch == '(') + closer = ')'; + else if (nextch == '{') + closer = '}'; + else + nextch = 0; + } else { t = mbschr (local_dirname, '`'); if (t && unclosed_pair (local_dirname, strlen (local_dirname), "`") == 0) - should_expand_dirname = 1; + should_expand_dirname = '`'; } #if defined (HAVE_LSTAT) @@ -2739,6 +2820,23 @@ free (new_dirname); dispose_words (wl); local_dirname = *dirname; + /* XXX - change rl_filename_quote_characters here based on + should_expand_dirname/nextch/closer. This is the only place + custom_filename_quote_characters is modified. */ + if (rl_filename_quote_characters && *rl_filename_quote_characters) + { + int i, j, c; + i = strlen (default_filename_quote_characters); + custom_filename_quote_characters = xrealloc (custom_filename_quote_characters, i+1); + for (i = j = 0; c = default_filename_quote_characters[i]; i++) + { + if (c == should_expand_dirname || c == nextch || c == closer) + continue; + custom_filename_quote_characters[j++] = c; + } + custom_filename_quote_characters[j] = '\0'; + rl_filename_quote_characters = custom_filename_quote_characters; + } } else { @@ -2758,11 +2856,31 @@ local_dirname = *dirname = new_dirname; } + /* no_symbolic_links == 0 -> use (default) logical view of the file system. + local_dirname[0] == '.' && local_dirname[1] == '/' means files in the + current directory (./). + local_dirname[0] == '.' && local_dirname[1] == 0 means relative pathnames + in the current directory (e.g., lib/sh). + XXX - should we do spelling correction on these? */ + + /* This is test as it was in bash-4.2: skip relative pathnames in current + directory. Change test to + (local_dirname[0] != '.' || (local_dirname[1] && local_dirname[1] != '/')) + if we want to skip paths beginning with ./ also. */ if (no_symbolic_links == 0 && (local_dirname[0] != '.' || local_dirname[1])) { char *temp1, *temp2; int len1, len2; + /* If we have a relative path + (local_dirname[0] != '/' && local_dirname[0] != '.') + that is canonical after appending it to the current directory, then + temp1 = temp2+'/' + That is, + strcmp (temp1, temp2) == 0 + after adding a slash to temp2 below. It should be safe to not + change those. + */ t = get_working_directory ("symlink-hook"); temp1 = make_absolute (local_dirname, t); free (t); @@ -2797,7 +2915,15 @@ temp2[len2 + 1] = '\0'; } } - return_value |= STREQ (local_dirname, temp2) == 0; + + /* dircomplete_expand_relpath == 0 means we want to leave relative + pathnames that are unchanged by canonicalization alone. + *local_dirname != '/' && *local_dirname != '.' == relative pathname + (consistent with general.c:absolute_pathname()) + temp1 == temp2 (after appending a slash to temp2) means the pathname + is not changed by canonicalization as described above. */ + if (dircomplete_expand_relpath || ((local_dirname[0] != '/' && local_dirname[0] != '.') && STREQ (temp1, temp2) == 0)) + return_value |= STREQ (local_dirname, temp2) == 0; free (local_dirname); *dirname = temp2; free (temp1); @@ -3002,12 +3128,13 @@ orig_func = rl_completion_entry_function; orig_attempt_func = rl_attempted_completion_function; - orig_dir_func = rl_directory_rewrite_hook; orig_ignore_func = rl_ignore_some_completions_function; orig_rl_completer_word_break_characters = rl_completer_word_break_characters; + + orig_dir_func = save_directory_hook (); + rl_completion_entry_function = rl_filename_completion_function; rl_attempted_completion_function = (rl_completion_func_t *)NULL; - rl_directory_rewrite_hook = (rl_icppfunc_t *)NULL; rl_ignore_some_completions_function = filename_completion_ignore; rl_completer_word_break_characters = " \t\n\"\'"; @@ -3015,10 +3142,11 @@ rl_completion_entry_function = orig_func; rl_attempted_completion_function = orig_attempt_func; - rl_directory_rewrite_hook = orig_dir_func; rl_ignore_some_completions_function = orig_ignore_func; rl_completer_word_break_characters = orig_rl_completer_word_break_characters; + restore_directory_hook (orig_dir_func); + return r; } diff -Naur bash-4.2.orig/bashline.h bash-4.2/bashline.h --- bash-4.2.orig/bashline.h 2009-01-04 19:32:22.000000000 +0000 +++ bash-4.2/bashline.h 2013-03-12 21:55:21.646771944 +0000 @@ -33,10 +33,15 @@ extern void bashline_reinitialize __P((void)); extern int bash_re_edit __P((char *)); +extern void bashline_set_event_hook __P((void)); +extern void bashline_reset_event_hook __P((void)); + extern int bind_keyseq_to_unix_command __P((char *)); extern char **bash_default_completion __P((const char *, int, int, int, int)); +void set_directory_hook __P((void)); + /* Used by programmable completion code. */ extern char *command_word_completion_function __P((const char *, int)); extern char *bash_groupname_completion_function __P((const char *, int)); diff -Naur bash-4.2.orig/builtins/declare.def bash-4.2/builtins/declare.def --- bash-4.2.orig/builtins/declare.def 2010-05-30 22:25:21.000000000 +0000 +++ bash-4.2/builtins/declare.def 2013-03-12 21:55:21.587771709 +0000 @@ -513,6 +513,11 @@ *subscript_start = '['; /* ] */ var = assign_array_element (name, value, 0); /* XXX - not aflags */ *subscript_start = '\0'; + if (var == 0) /* some kind of assignment error */ + { + assign_error++; + NEXT_VARIABLE (); + } } else if (simple_array_assign) { diff -Naur bash-4.2.orig/builtins/fc.def bash-4.2/builtins/fc.def --- bash-4.2.orig/builtins/fc.def 2010-05-30 22:25:38.000000000 +0000 +++ bash-4.2/builtins/fc.def 2013-03-12 21:55:21.521771446 +0000 @@ -304,7 +304,7 @@ last_hist = i - rh - hist_last_line_added; /* XXX */ - if (saved_command_line_count > 0 && i == last_hist && hlist[last_hist] == 0) + if (i == last_hist && hlist[last_hist] == 0) while (last_hist >= 0 && hlist[last_hist] == 0) last_hist--; if (last_hist < 0) @@ -475,7 +475,7 @@ HIST_ENTRY **hlist; { int sign, n, clen, rh; - register int i, j; + register int i, j, last_hist; register char *s; sign = 1; @@ -495,7 +495,15 @@ has been enabled (interactive or not) should use it in the last_hist calculation as if it were on. */ rh = remember_on_history || ((subshell_environment & SUBSHELL_COMSUB) && enable_history_list); - i -= rh + hist_last_line_added; + last_hist = i - rh - hist_last_line_added; + + if (i == last_hist && hlist[last_hist] == 0) + while (last_hist >= 0 && hlist[last_hist] == 0) + last_hist--; + if (last_hist < 0) + return (-1); + + i = last_hist; /* No specification defaults to most recent command. */ if (command == NULL) diff -Naur bash-4.2.orig/builtins/mapfile.def bash-4.2/builtins/mapfile.def --- bash-4.2.orig/builtins/mapfile.def 2010-05-30 02:09:47.000000000 +0000 +++ bash-4.2/builtins/mapfile.def 2013-03-12 21:55:21.675772060 +0000 @@ -195,13 +195,9 @@ /* Reset the buffer for bash own stream */ interrupt_immediately++; for (array_index = origin, line_count = 1; - zgetline (fd, &line, &line_length, unbuffered_read) != -1; - array_index++, line_count++) + zgetline (fd, &line, &line_length, unbuffered_read) != -1; + array_index++) { - /* Have we exceeded # of lines to store? */ - if (line_count_goal != 0 && line_count > line_count_goal) - break; - /* Remove trailing newlines? */ if (flags & MAPF_CHOP) do_chop (line); @@ -217,6 +213,11 @@ } bind_array_element (entry, array_index, line, 0); + + /* Have we exceeded # of lines to store? */ + line_count++; + if (line_count_goal != 0 && line_count > line_count_goal) + break; } xfree (line); diff -Naur bash-4.2.orig/builtins/printf.def bash-4.2/builtins/printf.def --- bash-4.2.orig/builtins/printf.def 2010-11-23 15:02:55.000000000 +0000 +++ bash-4.2/builtins/printf.def 2013-03-12 21:55:21.615771821 +0000 @@ -255,6 +255,8 @@ #endif { vflag = 1; + if (vbsize == 0) + vbuf = xmalloc (vbsize = 16); vblen = 0; if (vbuf) vbuf[0] = 0; @@ -465,6 +467,9 @@ secs = shell_start_time; /* roughly $SECONDS */ else secs = arg; +#if defined (HAVE_TZSET) + sv_tz ("TZ"); /* XXX -- just make sure */ +#endif tm = localtime (&secs); n = strftime (timebuf, sizeof (timebuf), timefmt, tm); free (timefmt); diff -Naur bash-4.2.orig/builtins/read.def bash-4.2/builtins/read.def --- bash-4.2.orig/builtins/read.def 2011-01-04 16:43:36.000000000 +0000 +++ bash-4.2/builtins/read.def 2013-03-12 21:55:21.734772295 +0000 @@ -385,10 +385,20 @@ { /* Tricky. The top of the unwind-protect stack is the free of input_string. We want to run all the rest and use input_string, - so we have to remove it from the stack. */ - remove_unwind_protect (); - run_unwind_frame ("read_builtin"); + so we have to save input_string temporarily, run the unwind- + protects, then restore input_string so we can use it later. */ + input_string[i] = '\0'; /* make sure it's terminated */ + if (i == 0) + { + t = (char *)xmalloc (1); + t[0] = 0; + } + else + t = savestring (input_string); + + run_unwind_frame ("read_builtin"); + input_string = t; retval = 128+SIGALRM; goto assign_vars; } @@ -642,6 +652,12 @@ xfree (input_string); return EXECUTION_FAILURE; /* readonly or noassign */ } + if (assoc_p (var)) + { + builtin_error (_("%s: cannot convert associative to indexed array"), arrayname); + xfree (input_string); + return EXECUTION_FAILURE; /* existing associative array */ + } array_flush (array_cell (var)); alist = list_string (input_string, ifs_chars, 0); @@ -731,7 +747,7 @@ xfree (t1); } else - var = bind_read_variable (varname, t); + var = bind_read_variable (varname, t ? t : ""); } else { @@ -785,14 +801,14 @@ } #endif - if (saw_escape) + if (saw_escape && input_string && *input_string) { t = dequote_string (input_string); var = bind_read_variable (list->word->word, t); xfree (t); } else - var = bind_read_variable (list->word->word, input_string); + var = bind_read_variable (list->word->word, input_string ? input_string : ""); if (var) { diff -Naur bash-4.2.orig/builtins/shopt.def bash-4.2/builtins/shopt.def --- bash-4.2.orig/builtins/shopt.def 2010-07-03 02:42:44.000000000 +0000 +++ bash-4.2/builtins/shopt.def 2013-03-12 21:55:21.647771948 +0000 @@ -61,6 +61,10 @@ #include "common.h" #include "bashgetopt.h" +#if defined (READLINE) +# include "../bashline.h" +#endif + #if defined (HISTORY) # include "../bashhist.h" #endif @@ -94,7 +98,7 @@ extern int hist_verify, history_reediting, perform_hostname_completion; extern int no_empty_command_completion; extern int force_fignore; -extern int dircomplete_spelling; +extern int dircomplete_spelling, dircomplete_expand; extern int enable_hostname_completion __P((int)); #endif @@ -121,6 +125,10 @@ static int set_restricted_shell __P((char *, int)); #endif +#if defined (READLINE) +static int shopt_set_complete_direxpand __P((char *, int)); +#endif + static int shopt_login_shell; static int shopt_compat31; static int shopt_compat32; @@ -150,6 +158,7 @@ { "compat40", &shopt_compat40, set_compatibility_level }, { "compat41", &shopt_compat41, set_compatibility_level }, #if defined (READLINE) + { "direxpand", &dircomplete_expand, shopt_set_complete_direxpand }, { "dirspell", &dircomplete_spelling, (shopt_set_func_t *)NULL }, #endif { "dotglob", &glob_dot_filenames, (shopt_set_func_t *)NULL }, @@ -535,6 +544,17 @@ return 0; } +#if defined (READLINE) +static int +shopt_set_complete_direxpand (option_name, mode) + char *option_name; + int mode; +{ + set_directory_hook (); + return 0; +} +#endif + #if defined (RESTRICTED_SHELL) /* Don't allow the value of restricted_shell to be modified. */ diff -Naur bash-4.2.orig/command.h bash-4.2/command.h --- bash-4.2.orig/command.h 2010-08-02 23:36:51.000000000 +0000 +++ bash-4.2/command.h 2013-03-12 21:55:21.619771836 +0000 @@ -97,6 +97,7 @@ #define W_HASCTLESC 0x200000 /* word contains literal CTLESC characters */ #define W_ASSIGNASSOC 0x400000 /* word looks like associative array assignment */ #define W_ARRAYIND 0x800000 /* word is an array index being expanded */ +#define W_ASSNGLOBAL 0x1000000 /* word is a global assignment to declare (declare/typeset -g) */ /* Possible values for subshell_environment */ #define SUBSHELL_ASYNC 0x01 /* subshell caused by `command &' */ diff -Naur bash-4.2.orig/doc/bash.1 bash-4.2/doc/bash.1 --- bash-4.2.orig/doc/bash.1 2011-01-16 20:31:39.000000000 +0000 +++ bash-4.2/doc/bash.1 2013-03-12 21:55:21.650771960 +0000 @@ -8948,6 +8948,16 @@ quoted. This is the behavior of posix mode through version 4.1. The default bash behavior remains as in previous versions. .TP 8 +.B direxpand +If set, +.B bash +replaces directory names with the results of word expansion when performing +filename completion. This changes the contents of the readline editing +buffer. +If not set, +.B bash +attempts to preserve what the user typed. +.TP 8 .B dirspell If set, .B bash diff -Naur bash-4.2.orig/doc/bashref.texi bash-4.2/doc/bashref.texi --- bash-4.2.orig/doc/bashref.texi 2011-01-16 20:31:57.000000000 +0000 +++ bash-4.2/doc/bashref.texi 2013-03-12 21:55:21.653771972 +0000 @@ -4535,6 +4535,13 @@ quoted. This is the behavior of @sc{posix} mode through version 4.1. The default Bash behavior remains as in previous versions. +@item direxpand +If set, Bash +replaces directory names with the results of word expansion when performing +filename completion. This changes the contents of the readline editing +buffer. +If not set, Bash attempts to preserve what the user typed. + @item dirspell If set, Bash attempts spelling correction on directory names during word completion diff -Naur bash-4.2.orig/error.c bash-4.2/error.c --- bash-4.2.orig/error.c 2009-08-22 02:31:31.000000000 +0000 +++ bash-4.2/error.c 2013-03-12 21:55:21.610771801 +0000 @@ -200,7 +200,11 @@ va_end (args); if (exit_immediately_on_error) - exit_shell (1); + { + if (last_command_exit_value == 0) + last_command_exit_value = 1; + exit_shell (last_command_exit_value); + } } void diff -Naur bash-4.2.orig/execute_cmd.c bash-4.2/execute_cmd.c --- bash-4.2.orig/execute_cmd.c 2011-02-09 22:32:25.000000000 +0000 +++ bash-4.2/execute_cmd.c 2013-03-12 21:55:21.627771868 +0000 @@ -2196,6 +2196,7 @@ if (ignore_return && cmd) cmd->flags |= CMD_IGNORE_RETURN; +#if defined (JOB_CONTROL) lastpipe_flag = 0; begin_unwind_frame ("lastpipe-exec"); lstdin = -1; @@ -2204,7 +2205,7 @@ current shell environment. */ if (lastpipe_opt && job_control == 0 && asynchronous == 0 && pipe_out == NO_PIPE && prev > 0) { - lstdin = move_to_high_fd (0, 0, 255); + lstdin = move_to_high_fd (0, 1, -1); if (lstdin > 0) { do_piping (prev, pipe_out); @@ -2215,15 +2216,19 @@ lastpipe_jid = stop_pipeline (0, (COMMAND *)NULL); /* XXX */ add_unwind_protect (lastpipe_cleanup, lastpipe_jid); } - cmd->flags |= CMD_LASTPIPE; + if (cmd) + cmd->flags |= CMD_LASTPIPE; } if (prev >= 0) add_unwind_protect (close, prev); +#endif exec_result = execute_command_internal (cmd, asynchronous, prev, pipe_out, fds_to_close); +#if defined (JOB_CONTROL) if (lstdin > 0) restore_stdin (lstdin); +#endif if (prev >= 0) close (prev); @@ -2246,7 +2251,9 @@ unfreeze_jobs_list (); } +#if defined (JOB_CONTROL) discard_unwind_frame ("lastpipe-exec"); +#endif return (exec_result); } @@ -3575,13 +3582,13 @@ { WORD_LIST *w; struct builtin *b; - int assoc; + int assoc, global; if (words == 0) return; b = 0; - assoc = 0; + assoc = global = 0; for (w = words; w; w = w->next) if (w->word->flags & W_ASSIGNMENT) @@ -3598,12 +3605,17 @@ #if defined (ARRAY_VARS) if (assoc) w->word->flags |= W_ASSIGNASSOC; + if (global) + w->word->flags |= W_ASSNGLOBAL; #endif } #if defined (ARRAY_VARS) /* Note that we saw an associative array option to a builtin that takes assignment statements. This is a bit of a kludge. */ - else if (w->word->word[0] == '-' && strchr (w->word->word, 'A')) + else if (w->word->word[0] == '-' && (strchr (w->word->word+1, 'A') || strchr (w->word->word+1, 'g'))) +#else + else if (w->word->word[0] == '-' && strchr (w->word->word+1, 'g')) +#endif { if (b == 0) { @@ -3613,10 +3625,11 @@ else if (b && (b->flags & ASSIGNMENT_BUILTIN)) words->word->flags |= W_ASSNBLTIN; } - if (words->word->flags & W_ASSNBLTIN) + if ((words->word->flags & W_ASSNBLTIN) && strchr (w->word->word+1, 'A')) assoc = 1; + if ((words->word->flags & W_ASSNBLTIN) && strchr (w->word->word+1, 'g')) + global = 1; } -#endif } /* Return 1 if the file found by searching $PATH for PATHNAME, defaulting diff -Naur bash-4.2.orig/expr.c bash-4.2/expr.c --- bash-4.2.orig/expr.c 2010-12-21 16:12:13.000000000 +0000 +++ bash-4.2/expr.c 2013-03-12 21:55:21.706772183 +0000 @@ -476,19 +476,23 @@ if (special) { + if ((op == DIV || op == MOD) && value == 0) + { + if (noeval == 0) + evalerror (_("division by 0")); + else + value = 1; + } + switch (op) { case MUL: lvalue *= value; break; case DIV: - if (value == 0) - evalerror (_("division by 0")); lvalue /= value; break; case MOD: - if (value == 0) - evalerror (_("division by 0")); lvalue %= value; break; case PLUS: @@ -804,7 +808,12 @@ val2 = exppower (); if (((op == DIV) || (op == MOD)) && (val2 == 0)) - evalerror (_("division by 0")); + { + if (noeval == 0) + evalerror (_("division by 0")); + else + val2 = 1; + } if (op == MUL) val1 *= val2; @@ -1000,6 +1009,12 @@ arrayind_t ind; #endif +/*itrace("expr_streval: %s: noeval = %d", tok, noeval);*/ + /* If we are suppressing evaluation, just short-circuit here instead of + going through the rest of the evaluator. */ + if (noeval) + return (0); + /* [[[[[ */ #if defined (ARRAY_VARS) v = (e == ']') ? array_variable_part (tok, (char **)0, (int *)0) : find_variable (tok); @@ -1173,6 +1188,10 @@ #endif /* ARRAY_VARS */ *cp = '\0'; + /* XXX - watch out for pointer aliasing issues here */ + if (curlval.tokstr && curlval.tokstr == tokstr) + init_lvalue (&curlval); + FREE (tokstr); tokstr = savestring (tp); *cp = c; diff -Naur bash-4.2.orig/lib/glob/glob.c bash-4.2/lib/glob/glob.c --- bash-4.2.orig/lib/glob/glob.c 2009-11-14 23:39:30.000000000 +0000 +++ bash-4.2/lib/glob/glob.c 2013-03-12 21:55:21.658771992 +0000 @@ -200,8 +200,11 @@ wchar_t *pat_wc, *dn_wc; size_t pat_n, dn_n; + pat_wc = dn_wc = (wchar_t *)NULL; + pat_n = xdupmbstowcs (&pat_wc, NULL, pat); - dn_n = xdupmbstowcs (&dn_wc, NULL, dname); + if (pat_n != (size_t)-1) + dn_n = xdupmbstowcs (&dn_wc, NULL, dname); ret = 0; if (pat_n != (size_t)-1 && dn_n !=(size_t)-1) @@ -221,6 +224,8 @@ (pat_wc[0] != L'\\' || pat_wc[1] != L'.')) ret = 1; } + else + ret = skipname (pat, dname, flags); FREE (pat_wc); FREE (dn_wc); @@ -266,8 +271,11 @@ /* Convert the strings into wide characters. */ n = xdupmbstowcs (&wpathname, NULL, pathname); if (n == (size_t) -1) - /* Something wrong. */ - return; + { + /* Something wrong. Fall back to single-byte */ + udequote_pathname (pathname); + return; + } orig_wpathname = wpathname; for (i = j = 0; wpathname && wpathname[i]; ) diff -Naur bash-4.2.orig/lib/glob/gmisc.c bash-4.2/lib/glob/gmisc.c --- bash-4.2.orig/lib/glob/gmisc.c 2011-02-05 21:11:17.000000000 +0000 +++ bash-4.2/lib/glob/gmisc.c 2013-03-12 21:55:21.465771223 +0000 @@ -77,8 +77,8 @@ wchar_t *wpat; size_t wmax; { - wchar_t wc, *wbrack; - int matlen, t, in_cclass, in_collsym, in_equiv; + wchar_t wc; + int matlen, bracklen, t, in_cclass, in_collsym, in_equiv; if (*wpat == 0) return (0); @@ -118,58 +118,80 @@ break; case L'[': /* scan for ending `]', skipping over embedded [:...:] */ - wbrack = wpat; + bracklen = 1; wc = *wpat++; do { if (wc == 0) { - matlen += wpat - wbrack - 1; /* incremented below */ - break; + wpat--; /* back up to NUL */ + matlen += bracklen; + goto bad_bracket; } else if (wc == L'\\') { - wc = *wpat++; - if (*wpat == 0) - break; + /* *wpat == backslash-escaped character */ + bracklen++; + /* If the backslash or backslash-escape ends the string, + bail. The ++wpat skips over the backslash escape */ + if (*wpat == 0 || *++wpat == 0) + { + matlen += bracklen; + goto bad_bracket; + } } else if (wc == L'[' && *wpat == L':') /* character class */ { wpat++; + bracklen++; in_cclass = 1; } else if (in_cclass && wc == L':' && *wpat == L']') { wpat++; + bracklen++; in_cclass = 0; } else if (wc == L'[' && *wpat == L'.') /* collating symbol */ { wpat++; + bracklen++; if (*wpat == L']') /* right bracket can appear as collating symbol */ - wpat++; + { + wpat++; + bracklen++; + } in_collsym = 1; } else if (in_collsym && wc == L'.' && *wpat == L']') { wpat++; + bracklen++; in_collsym = 0; } else if (wc == L'[' && *wpat == L'=') /* equivalence class */ { wpat++; + bracklen++; if (*wpat == L']') /* right bracket can appear as equivalence class */ - wpat++; + { + wpat++; + bracklen++; + } in_equiv = 1; } else if (in_equiv && wc == L'=' && *wpat == L']') { wpat++; + bracklen++; in_equiv = 0; } + else + bracklen++; } while ((wc = *wpat++) != L']'); matlen++; /* bracket expression can only match one char */ +bad_bracket: break; } } @@ -213,8 +235,8 @@ char *pat; size_t max; { - char c, *brack; - int matlen, t, in_cclass, in_collsym, in_equiv; + char c; + int matlen, bracklen, t, in_cclass, in_collsym, in_equiv; if (*pat == 0) return (0); @@ -254,58 +276,80 @@ break; case '[': /* scan for ending `]', skipping over embedded [:...:] */ - brack = pat; + bracklen = 1; c = *pat++; do { if (c == 0) { - matlen += pat - brack - 1; /* incremented below */ - break; + pat--; /* back up to NUL */ + matlen += bracklen; + goto bad_bracket; } else if (c == '\\') { - c = *pat++; - if (*pat == 0) - break; + /* *pat == backslash-escaped character */ + bracklen++; + /* If the backslash or backslash-escape ends the string, + bail. The ++pat skips over the backslash escape */ + if (*pat == 0 || *++pat == 0) + { + matlen += bracklen; + goto bad_bracket; + } } else if (c == '[' && *pat == ':') /* character class */ { pat++; + bracklen++; in_cclass = 1; } else if (in_cclass && c == ':' && *pat == ']') { pat++; + bracklen++; in_cclass = 0; } else if (c == '[' && *pat == '.') /* collating symbol */ { pat++; + bracklen++; if (*pat == ']') /* right bracket can appear as collating symbol */ - pat++; + { + pat++; + bracklen++; + } in_collsym = 1; } else if (in_collsym && c == '.' && *pat == ']') { pat++; + bracklen++; in_collsym = 0; } else if (c == '[' && *pat == '=') /* equivalence class */ { pat++; + bracklen++; if (*pat == ']') /* right bracket can appear as equivalence class */ - pat++; + { + pat++; + bracklen++; + } in_equiv = 1; } else if (in_equiv && c == '=' && *pat == ']') { pat++; + bracklen++; in_equiv = 0; } + else + bracklen++; } while ((c = *pat++) != ']'); matlen++; /* bracket expression can only match one char */ +bad_bracket: break; } } diff -Naur bash-4.2.orig/lib/glob/xmbsrtowcs.c bash-4.2/lib/glob/xmbsrtowcs.c --- bash-4.2.orig/lib/glob/xmbsrtowcs.c 2010-05-30 22:36:27.000000000 +0000 +++ bash-4.2/lib/glob/xmbsrtowcs.c 2013-03-12 21:55:21.736772303 +0000 @@ -35,6 +35,8 @@ #if HANDLE_MULTIBYTE +#define WSBUF_INC 32 + #ifndef FREE # define FREE(x) do { if (x) free (x); } while (0) #endif @@ -148,7 +150,7 @@ size_t wsbuf_size; /* Size of WSBUF */ size_t wcnum; /* Number of wide characters in WSBUF */ mbstate_t state; /* Conversion State */ - size_t wcslength; /* Number of wide characters produced by the conversion. */ + size_t n, wcslength; /* Number of wide characters produced by the conversion. */ const char *end_or_backslash; size_t nms; /* Number of multibyte characters to convert at one time. */ mbstate_t tmp_state; @@ -171,7 +173,18 @@ /* Compute the number of produced wide-characters. */ tmp_p = p; tmp_state = state; - wcslength = mbsnrtowcs(NULL, &tmp_p, nms, 0, &tmp_state); + + if (nms == 0 && *p == '\\') /* special initial case */ + nms = wcslength = 1; + else + wcslength = mbsnrtowcs (NULL, &tmp_p, nms, 0, &tmp_state); + + if (wcslength == 0) + { + tmp_p = p; /* will need below */ + tmp_state = state; + wcslength = 1; /* take a single byte */ + } /* Conversion failed. */ if (wcslength == (size_t)-1) @@ -186,7 +199,8 @@ { wchar_t *wstmp; - wsbuf_size = wcnum+wcslength+1; /* 1 for the L'\0' or the potential L'\\' */ + while (wsbuf_size < wcnum+wcslength+1) /* 1 for the L'\0' or the potential L'\\' */ + wsbuf_size += WSBUF_INC; wstmp = (wchar_t *) realloc (wsbuf, wsbuf_size * sizeof (wchar_t)); if (wstmp == NULL) @@ -199,10 +213,30 @@ } /* Perform the conversion. This is assumed to return 'wcslength'. - * It may set 'p' to NULL. */ - mbsnrtowcs(wsbuf+wcnum, &p, nms, wsbuf_size-wcnum, &state); + It may set 'p' to NULL. */ + n = mbsnrtowcs(wsbuf+wcnum, &p, nms, wsbuf_size-wcnum, &state); - wcnum += wcslength; + if (n == 0 && p == 0) + { + wsbuf[wcnum] = L'\0'; + break; + } + + /* Compensate for taking single byte on wcs conversion failure above. */ + if (wcslength == 1 && (n == 0 || n == (size_t)-1)) + { + state = tmp_state; + p = tmp_p; + wsbuf[wcnum] = *p; + if (*p == 0) + break; + else + { + wcnum++; p++; + } + } + else + wcnum += wcslength; if (mbsinit (&state) && (p != NULL) && (*p == '\\')) { @@ -230,8 +264,6 @@ If conversion is failed, the return value is (size_t)-1 and the values of DESTP and INDICESP are NULL. */ -#define WSBUF_INC 32 - size_t xdupmbstowcs (destp, indicesp, src) wchar_t **destp; /* Store the pointer to the wide character string */ diff -Naur bash-4.2.orig/lib/readline/callback.c bash-4.2/lib/readline/callback.c --- bash-4.2.orig/lib/readline/callback.c 2010-06-06 16:18:58.000000000 +0000 +++ bash-4.2/lib/readline/callback.c 2013-03-12 21:55:21.461771207 +0000 @@ -148,6 +148,9 @@ eof = _rl_vi_domove_callback (_rl_vimvcxt); /* Should handle everything, including cleanup, numeric arguments, and turning off RL_STATE_VIMOTION */ + if (RL_ISSTATE (RL_STATE_NUMERICARG) == 0) + _rl_internal_char_cleanup (); + return; } #endif diff -Naur bash-4.2.orig/lib/readline/input.c bash-4.2/lib/readline/input.c --- bash-4.2.orig/lib/readline/input.c 2010-05-30 22:33:01.000000000 +0000 +++ bash-4.2/lib/readline/input.c 2013-03-12 21:55:21.661772004 +0000 @@ -409,7 +409,7 @@ int rl_read_key () { - int c; + int c, r; rl_key_sequence_length++; @@ -429,14 +429,18 @@ { while (rl_event_hook) { - if (rl_gather_tyi () < 0) /* XXX - EIO */ + if (rl_get_char (&c) != 0) + break; + + if ((r = rl_gather_tyi ()) < 0) /* XXX - EIO */ { rl_done = 1; return ('\n'); } + else if (r == 1) /* read something */ + continue; + RL_CHECK_SIGNALS (); - if (rl_get_char (&c) != 0) - break; if (rl_done) /* XXX - experimental */ return ('\n'); (*rl_event_hook) (); diff -Naur bash-4.2.orig/lib/readline/vi_mode.c bash-4.2/lib/readline/vi_mode.c --- bash-4.2.orig/lib/readline/vi_mode.c 2010-11-21 00:51:39.000000000 +0000 +++ bash-4.2/lib/readline/vi_mode.c 2013-03-12 21:55:21.698772151 +0000 @@ -1114,7 +1114,7 @@ rl_beg_of_line (1, c); _rl_vi_last_motion = c; RL_UNSETSTATE (RL_STATE_VIMOTION); - return (0); + return (vidomove_dispatch (m)); } #if defined (READLINE_CALLBACKS) /* XXX - these need to handle rl_universal_argument bindings */ @@ -1234,11 +1234,19 @@ _rl_vimvcxt->motion = '$'; r = rl_domove_motion_callback (_rl_vimvcxt); } - else if (vi_redoing) + else if (vi_redoing && _rl_vi_last_motion != 'd') /* `dd' is special */ { _rl_vimvcxt->motion = _rl_vi_last_motion; r = rl_domove_motion_callback (_rl_vimvcxt); } + else if (vi_redoing) /* handle redoing `dd' here */ + { + _rl_vimvcxt->motion = _rl_vi_last_motion; + rl_mark = rl_end; + rl_beg_of_line (1, key); + RL_UNSETSTATE (RL_STATE_VIMOTION); + r = vidomove_dispatch (_rl_vimvcxt); + } #if defined (READLINE_CALLBACKS) else if (RL_ISSTATE (RL_STATE_CALLBACK)) { @@ -1316,11 +1324,19 @@ _rl_vimvcxt->motion = '$'; r = rl_domove_motion_callback (_rl_vimvcxt); } - else if (vi_redoing) + else if (vi_redoing && _rl_vi_last_motion != 'c') /* `cc' is special */ { _rl_vimvcxt->motion = _rl_vi_last_motion; r = rl_domove_motion_callback (_rl_vimvcxt); } + else if (vi_redoing) /* handle redoing `cc' here */ + { + _rl_vimvcxt->motion = _rl_vi_last_motion; + rl_mark = rl_end; + rl_beg_of_line (1, key); + RL_UNSETSTATE (RL_STATE_VIMOTION); + r = vidomove_dispatch (_rl_vimvcxt); + } #if defined (READLINE_CALLBACKS) else if (RL_ISSTATE (RL_STATE_CALLBACK)) { @@ -1377,6 +1393,19 @@ _rl_vimvcxt->motion = '$'; r = rl_domove_motion_callback (_rl_vimvcxt); } + else if (vi_redoing && _rl_vi_last_motion != 'y') /* `yy' is special */ + { + _rl_vimvcxt->motion = _rl_vi_last_motion; + r = rl_domove_motion_callback (_rl_vimvcxt); + } + else if (vi_redoing) /* handle redoing `yy' here */ + { + _rl_vimvcxt->motion = _rl_vi_last_motion; + rl_mark = rl_end; + rl_beg_of_line (1, key); + RL_UNSETSTATE (RL_STATE_VIMOTION); + r = vidomove_dispatch (_rl_vimvcxt); + } #if defined (READLINE_CALLBACKS) else if (RL_ISSTATE (RL_STATE_CALLBACK)) { diff -Naur bash-4.2.orig/lib/sh/eaccess.c bash-4.2/lib/sh/eaccess.c --- bash-4.2.orig/lib/sh/eaccess.c 2011-01-09 01:50:10.000000000 +0000 +++ bash-4.2/lib/sh/eaccess.c 2013-03-12 21:55:21.668772032 +0000 @@ -82,6 +82,8 @@ const char *path; struct stat *finfo; { + static char *pbuf = 0; + if (*path == '\0') { errno = ENOENT; @@ -106,7 +108,7 @@ trailing slash. Make sure /dev/fd/xx really uses DEV_FD_PREFIX/xx. On most systems, with the notable exception of linux, this is effectively a no-op. */ - char pbuf[32]; + pbuf = xrealloc (pbuf, sizeof (DEV_FD_PREFIX) + strlen (path + 8)); strcpy (pbuf, DEV_FD_PREFIX); strcat (pbuf, path + 8); return (stat (pbuf, finfo)); diff -Naur bash-4.2.orig/lib/sh/zread.c bash-4.2/lib/sh/zread.c --- bash-4.2.orig/lib/sh/zread.c 2009-03-02 13:54:45.000000000 +0000 +++ bash-4.2/lib/sh/zread.c 2013-03-12 21:55:21.601771765 +0000 @@ -160,14 +160,13 @@ zsyncfd (fd) int fd; { - off_t off; - int r; + off_t off, r; off = lused - lind; r = 0; if (off > 0) r = lseek (fd, -off, SEEK_CUR); - if (r >= 0) + if (r != -1) lused = lind = 0; } diff -Naur bash-4.2.orig/parse.y bash-4.2/parse.y --- bash-4.2.orig/parse.y 2011-01-02 20:48:11.000000000 +0000 +++ bash-4.2/parse.y 2013-03-12 21:55:21.731772283 +0000 @@ -2393,6 +2393,7 @@ is the last character). If it's not the last character, we need to consume the quoted newline and move to the next character in the expansion. */ +#if defined (ALIAS) if (expanding_alias () && shell_input_line[shell_input_line_index+1] == '\0') { uc = 0; @@ -2403,7 +2404,8 @@ shell_input_line_index++; /* skip newline */ goto next_alias_char; /* and get next character */ } - else + else +#endif goto restart_read; } @@ -2499,7 +2501,7 @@ We do this only if it is time to do so. Notice that only here is the mail alarm reset; nothing takes place in check_mail () except the checking of mail. Please don't change this. */ - if (prompt_is_ps1 && time_to_check_mail ()) + if (prompt_is_ps1 && parse_and_execute_level == 0 && time_to_check_mail ()) { check_mail (); reset_mail_timer (); @@ -3842,6 +3844,7 @@ int flags; { sh_parser_state_t ps; + sh_input_line_state_t ls; int orig_ind, nc, sflags; char *ret, *s, *ep, *ostring; @@ -3849,10 +3852,12 @@ orig_ind = *indp; ostring = string; +/*itrace("xparse_dolparen: size = %d shell_input_line = `%s'", shell_input_line_size, shell_input_line);*/ sflags = SEVAL_NONINT|SEVAL_NOHIST|SEVAL_NOFREE; if (flags & SX_NOLONGJMP) sflags |= SEVAL_NOLONGJMP; save_parser_state (&ps); + save_input_line_state (&ls); /*(*/ parser_state |= PST_CMDSUBST|PST_EOFTOKEN; /* allow instant ')' */ /*(*/ @@ -3861,6 +3866,8 @@ restore_parser_state (&ps); reset_parser (); + /* reset_parser clears shell_input_line and associated variables */ + restore_input_line_state (&ls); if (interactive) token_to_read = 0; @@ -4895,6 +4902,9 @@ return (current_command_line_count == 2 ? "\n" : ""); } + if (parser_state & PST_COMPASSIGN) + return (" "); + /* First, handle some special cases. */ /*(*/ /* If we just read `()', assume it's a function definition, and don't @@ -5135,6 +5145,9 @@ case 'A': /* Make the current time/date into a string. */ (void) time (&the_time); +#if defined (HAVE_TZSET) + sv_tz ("TZ"); /* XXX -- just make sure */ +#endif tm = localtime (&the_time); if (c == 'd') @@ -5905,6 +5918,12 @@ ps->expand_aliases = expand_aliases; ps->echo_input_at_read = echo_input_at_read; + ps->token = token; + ps->token_buffer_size = token_buffer_size; + /* Force reallocation on next call to read_token_word */ + token = 0; + token_buffer_size = 0; + return (ps); } @@ -5946,6 +5965,42 @@ expand_aliases = ps->expand_aliases; echo_input_at_read = ps->echo_input_at_read; + + FREE (token); + token = ps->token; + token_buffer_size = ps->token_buffer_size; +} + +sh_input_line_state_t * +save_input_line_state (ls) + sh_input_line_state_t *ls; +{ + if (ls == 0) + ls = (sh_input_line_state_t *)xmalloc (sizeof (sh_input_line_state_t)); + if (ls == 0) + return ((sh_input_line_state_t *)NULL); + + ls->input_line = shell_input_line; + ls->input_line_size = shell_input_line_size; + ls->input_line_len = shell_input_line_len; + ls->input_line_index = shell_input_line_index; + + /* force reallocation */ + shell_input_line = 0; + shell_input_line_size = shell_input_line_len = shell_input_line_index = 0; +} + +void +restore_input_line_state (ls) + sh_input_line_state_t *ls; +{ + FREE (shell_input_line); + shell_input_line = ls->input_line; + shell_input_line_size = ls->input_line_size; + shell_input_line_len = ls->input_line_len; + shell_input_line_index = ls->input_line_index; + + set_line_mbstate (); } /************************************************ diff -Naur bash-4.2.orig/patchlevel.h bash-4.2/patchlevel.h --- bash-4.2.orig/patchlevel.h 2010-06-13 00:14:48.000000000 +0000 +++ bash-4.2/patchlevel.h 2013-03-12 21:55:21.740772319 +0000 @@ -25,6 +25,6 @@ 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 45 #endif /* _PATCHLEVEL_H_ */ diff -Naur bash-4.2.orig/pathexp.c bash-4.2/pathexp.c --- bash-4.2.orig/pathexp.c 2010-08-14 03:21:57.000000000 +0000 +++ bash-4.2/pathexp.c 2013-03-12 21:55:21.550771561 +0000 @@ -196,7 +196,7 @@ { if ((qflags & QGLOB_FILENAME) && pathname[i+1] == '/') continue; - if ((qflags & QGLOB_REGEXP) && ere_char (pathname[i+1]) == 0) + if (pathname[i+1] != CTLESC && (qflags & QGLOB_REGEXP) && ere_char (pathname[i+1]) == 0) continue; temp[j++] = '\\'; i++; diff -Naur bash-4.2.orig/print_cmd.c bash-4.2/print_cmd.c --- bash-4.2.orig/print_cmd.c 2010-05-30 22:34:08.000000000 +0000 +++ bash-4.2/print_cmd.c 2013-03-12 21:55:21.526771466 +0000 @@ -315,6 +315,7 @@ cprintf ("( "); skip_this_indent++; make_command_string_internal (command->value.Subshell->command); + PRINT_DEFERRED_HEREDOCS (""); cprintf (" )"); break; @@ -592,6 +593,7 @@ newline ("do\n"); indentation += indentation_amount; make_command_string_internal (arith_for_command->action); + PRINT_DEFERRED_HEREDOCS (""); semicolon (); indentation -= indentation_amount; newline ("done"); @@ -653,6 +655,7 @@ } make_command_string_internal (group_command->command); + PRINT_DEFERRED_HEREDOCS (""); if (inside_function_def) { diff -Naur bash-4.2.orig/redir.c bash-4.2/redir.c --- bash-4.2.orig/redir.c 2011-01-02 21:00:31.000000000 +0000 +++ bash-4.2/redir.c 2013-03-12 21:55:21.740772319 +0000 @@ -1007,6 +1007,16 @@ close (redirector); REDIRECTION_ERROR (r, errno, -1); } + if ((flags & RX_UNDOABLE) && (ri == r_move_input || ri == r_move_output)) + { + /* r_move_input and r_move_output add an additional close() + that needs to be undone */ + if (fcntl (redirector, F_GETFD, 0) != -1) + { + r = add_undo_redirect (redir_fd, r_close_this, -1); + REDIRECTION_ERROR (r, errno, -1); + } + } #if defined (BUFFERED_INPUT) check_bash_input (redirector); #endif @@ -1091,10 +1101,12 @@ #if defined (BUFFERED_INPUT) check_bash_input (redirector); - close_buffered_fd (redirector); + r = close_buffered_fd (redirector); #else /* !BUFFERED_INPUT */ - close (redirector); + r = close (redirector); #endif /* !BUFFERED_INPUT */ + if (r < 0 && (flags & RX_INTERNAL) && (errno == EIO || errno == ENOSPC)) + REDIRECTION_ERROR (r, errno, -1); } break; diff -Naur bash-4.2.orig/shell.h bash-4.2/shell.h --- bash-4.2.orig/shell.h 2011-01-07 03:16:55.000000000 +0000 +++ bash-4.2/shell.h 2013-03-12 21:55:21.537771510 +0000 @@ -136,6 +136,9 @@ int parser_state; int *token_state; + char *token; + int token_buffer_size; + /* input line state -- line number saved elsewhere */ int input_line_terminator; int eof_encountered; @@ -166,6 +169,16 @@ } sh_parser_state_t; +typedef struct _sh_input_line_state_t { + char *input_line; + int input_line_index; + int input_line_size; + int input_line_len; +} sh_input_line_state_t; + /* Let's try declaring these here. */ extern sh_parser_state_t *save_parser_state __P((sh_parser_state_t *)); extern void restore_parser_state __P((sh_parser_state_t *)); + +extern sh_input_line_state_t *save_input_line_state __P((sh_input_line_state_t *)); +extern void restore_input_line_state __P((sh_input_line_state_t *)); diff -Naur bash-4.2.orig/sig.c bash-4.2/sig.c --- bash-4.2.orig/sig.c 2010-11-23 13:21:22.000000000 +0000 +++ bash-4.2/sig.c 2013-03-12 21:55:21.516771426 +0000 @@ -46,6 +46,7 @@ #if defined (READLINE) # include "bashline.h" +# include #endif #if defined (HISTORY) @@ -62,6 +63,7 @@ #if defined (HISTORY) extern int history_lines_this_session; #endif +extern int no_line_editing; extern void initialize_siglist (); @@ -505,7 +507,10 @@ { #if defined (HISTORY) /* XXX - will inhibit history file being written */ - history_lines_this_session = 0; +# if defined (READLINE) + if (interactive_shell == 0 || interactive == 0 || (sig != SIGHUP && sig != SIGTERM) || no_line_editing || (RL_ISSTATE (RL_STATE_READCMD) == 0)) +# endif + history_lines_this_session = 0; #endif terminate_immediately = 0; termsig_handler (sig); diff -Naur bash-4.2.orig/subst.c bash-4.2/subst.c --- bash-4.2.orig/subst.c 2011-01-02 21:12:51.000000000 +0000 +++ bash-4.2/subst.c 2013-03-12 21:55:21.726772263 +0000 @@ -366,6 +366,11 @@ f &= ~W_ASSNBLTIN; fprintf (stderr, "W_ASSNBLTIN%s", f ? "|" : ""); } + if (f & W_ASSNGLOBAL) + { + f &= ~W_ASSNGLOBAL; + fprintf (stderr, "W_ASSNGLOBAL%s", f ? "|" : ""); + } if (f & W_COMPASSIGN) { f &= ~W_COMPASSIGN; @@ -1379,10 +1384,12 @@ slen = strlen (string + *sindex) + *sindex; /* The handling of dolbrace_state needs to agree with the code in parse.y: - parse_matched_pair() */ - dolbrace_state = 0; - if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) - dolbrace_state = (flags & SX_POSIXEXP) ? DOLBRACE_QUOTE : DOLBRACE_PARAM; + parse_matched_pair(). The different initial value is to handle the + case where this function is called to parse the word in + ${param op word} (SX_WORD). */ + dolbrace_state = (flags & SX_WORD) ? DOLBRACE_WORD : DOLBRACE_PARAM; + if ((quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) && (flags & SX_POSIXEXP)) + dolbrace_state = DOLBRACE_QUOTE; i = *sindex; while (c = string[i]) @@ -2801,7 +2808,7 @@ } else if (assign_list) { - if (word->flags & W_ASSIGNARG) + if ((word->flags & W_ASSIGNARG) && (word->flags & W_ASSNGLOBAL) == 0) aflags |= ASS_MKLOCAL; if (word->flags & W_ASSIGNASSOC) aflags |= ASS_MKASSOC; @@ -3371,7 +3378,7 @@ if (string == 0 || *string == '\0') return (WORD_LIST *)NULL; - td.flags = 0; + td.flags = W_NOSPLIT2; /* no splitting, remove "" and '' */ td.word = string; tresult = call_expand_word_internal (&td, quoted, 1, dollar_at_p, has_dollar_at); return (tresult); @@ -3704,7 +3711,10 @@ break; } else if (string[i] == CTLNUL) - i++; + { + i++; + continue; + } prev_i = i; ADVANCE_CHAR (string, slen, i); @@ -4156,7 +4166,7 @@ simple = (wpat[0] != L'\\' && wpat[0] != L'*' && wpat[0] != L'?' && wpat[0] != L'['); #if defined (EXTENDED_GLOB) if (extended_glob) - simple |= (wpat[1] != L'(' || (wpat[0] != L'*' && wpat[0] != L'?' && wpat[0] != L'+' && wpat[0] != L'!' && wpat[0] != L'@')); /*)*/ + simple &= (wpat[1] != L'(' || (wpat[0] != L'*' && wpat[0] != L'?' && wpat[0] != L'+' && wpat[0] != L'!' && wpat[0] != L'@')); /*)*/ #endif /* If the pattern doesn't match anywhere in the string, go ahead and @@ -4607,6 +4617,7 @@ if (ifs_firstc == 0) #endif word->flags |= W_NOSPLIT; + word->flags |= W_NOSPLIT2; result = call_expand_word_internal (word, quoted, 0, (int *)NULL, (int *)NULL); expand_no_split_dollar_star = 0; @@ -5113,6 +5124,10 @@ dev_fd_list[parent_pipe_fd] = 0; #endif /* HAVE_DEV_FD */ + /* subshells shouldn't have this flag, which controls using the temporary + environment for variable lookups. */ + expanding_redir = 0; + result = parse_and_execute (string, "process substitution", (SEVAL_NONINT|SEVAL_NOHIST)); #if !defined (HAVE_DEV_FD) @@ -5798,6 +5813,16 @@ is the only expansion that creates more than one word. */ if (qdollaratp && ((hasdol && quoted) || l->next)) *qdollaratp = 1; + /* If we have a quoted null result (QUOTED_NULL(temp)) and the word is + a quoted null (l->next == 0 && QUOTED_NULL(l->word->word)), the + flags indicate it (l->word->flags & W_HASQUOTEDNULL), and the + expansion is quoted (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) + (which is more paranoia than anything else), we need to return the + quoted null string and set the flags to indicate it. */ + if (l->next == 0 && (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) && QUOTED_NULL(temp) && QUOTED_NULL(l->word->word) && (l->word->flags & W_HASQUOTEDNULL)) + { + w->flags |= W_HASQUOTEDNULL; + } dispose_words (l); } else if ((quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) && hasdol) @@ -7176,7 +7201,7 @@ { /* Extract the contents of the ${ ... } expansion according to the Posix.2 rules. */ - value = extract_dollar_brace_string (string, &sindex, quoted, (c == '%' || c == '#') ? SX_POSIXEXP : 0); + value = extract_dollar_brace_string (string, &sindex, quoted, (c == '%' || c == '#' || c =='/' || c == '^' || c == ',' || c ==':') ? SX_POSIXEXP|SX_WORD : SX_WORD); if (string[sindex] == RBRACE) sindex++; else @@ -7268,6 +7293,7 @@ default: case '\0': bad_substitution: + last_command_exit_value = EXECUTION_FAILURE; report_error (_("%s: bad substitution"), string ? string : "??"); FREE (value); FREE (temp); @@ -7900,7 +7926,7 @@ /* State flags */ int had_quoted_null; - int has_dollar_at; + int has_dollar_at, temp_has_dollar_at; int tflag; int pflags; /* flags passed to param_expand */ @@ -8105,13 +8131,14 @@ if (expanded_something) *expanded_something = 1; - has_dollar_at = 0; + temp_has_dollar_at = 0; pflags = (word->flags & W_NOCOMSUB) ? PF_NOCOMSUB : 0; if (word->flags & W_NOSPLIT2) pflags |= PF_NOSPLIT2; tword = param_expand (string, &sindex, quoted, expanded_something, - &has_dollar_at, "ed_dollar_at, + &temp_has_dollar_at, "ed_dollar_at, &had_quoted_null, pflags); + has_dollar_at += temp_has_dollar_at; if (tword == &expand_wdesc_error || tword == &expand_wdesc_fatal) { @@ -8129,6 +8156,14 @@ temp = tword->word; dispose_word_desc (tword); + /* Kill quoted nulls; we will add them back at the end of + expand_word_internal if nothing else in the string */ + if (had_quoted_null && temp && QUOTED_NULL (temp)) + { + FREE (temp); + temp = (char *)NULL; + } + goto add_string; break; @@ -8244,9 +8279,10 @@ temp = (char *)NULL; - has_dollar_at = 0; + temp_has_dollar_at = 0; /* XXX */ /* Need to get W_HASQUOTEDNULL flag through this function. */ - list = expand_word_internal (tword, Q_DOUBLE_QUOTES, 0, &has_dollar_at, (int *)NULL); + list = expand_word_internal (tword, Q_DOUBLE_QUOTES, 0, &temp_has_dollar_at, (int *)NULL); + has_dollar_at += temp_has_dollar_at; if (list == &expand_word_error || list == &expand_word_fatal) { @@ -8533,7 +8569,7 @@ tword->flags |= W_NOEXPAND; /* XXX */ if (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES)) tword->flags |= W_QUOTED; - if (had_quoted_null) + if (had_quoted_null && QUOTED_NULL (istring)) tword->flags |= W_HASQUOTEDNULL; list = make_word_list (tword, (WORD_LIST *)NULL); } @@ -8564,7 +8600,7 @@ tword->flags |= W_NOGLOB; if (word->flags & W_NOEXPAND) tword->flags |= W_NOEXPAND; - if (had_quoted_null) + if (had_quoted_null && QUOTED_NULL (istring)) tword->flags |= W_HASQUOTEDNULL; /* XXX */ list = make_word_list (tword, (WORD_LIST *)NULL); } diff -Naur bash-4.2.orig/subst.h bash-4.2/subst.h --- bash-4.2.orig/subst.h 2010-12-03 01:21:29.000000000 +0000 +++ bash-4.2/subst.h 2013-03-12 21:55:21.450771163 +0000 @@ -56,6 +56,7 @@ #define SX_NOLONGJMP 0x0040 /* don't longjmp on fatal error */ #define SX_ARITHSUB 0x0080 /* extracting $(( ... )) (currently unused) */ #define SX_POSIXEXP 0x0100 /* extracting new Posix pattern removal expansions in extract_dollar_brace_string */ +#define SX_WORD 0x0200 /* extracting word in ${param op word} */ /* Remove backslashes which are quoting backquotes from STRING. Modifies STRING, and returns a pointer to it. */ diff -Naur bash-4.2.orig/support/shobj-conf bash-4.2/support/shobj-conf --- bash-4.2.orig/support/shobj-conf 2009-10-28 13:20:21.000000000 +0000 +++ bash-4.2/support/shobj-conf 2013-03-12 21:55:21.592771729 +0000 @@ -157,7 +157,7 @@ ;; # Darwin/MacOS X -darwin[89]*|darwin10*) +darwin[89]*|darwin1[012]*) SHOBJ_STATUS=supported SHLIB_STATUS=supported @@ -186,7 +186,7 @@ SHLIB_LIBSUFF='dylib' case "${host_os}" in - darwin[789]*|darwin10*) SHOBJ_LDFLAGS='' + darwin[789]*|darwin1[012]*) SHOBJ_LDFLAGS='' SHLIB_XLDFLAGS='-dynamiclib -arch_only `/usr/bin/arch` -install_name $(libdir)/$@ -current_version $(SHLIB_MAJOR)$(SHLIB_MINOR) -compatibility_version $(SHLIB_MAJOR) -v' ;; *) SHOBJ_LDFLAGS='-dynamic' diff -Naur bash-4.2.orig/tests/shopt.right bash-4.2/tests/shopt.right --- bash-4.2.orig/tests/shopt.right 2010-07-03 03:36:30.000000000 +0000 +++ bash-4.2/tests/shopt.right 2013-03-12 21:55:21.653771972 +0000 @@ -12,6 +12,7 @@ shopt -u compat32 shopt -u compat40 shopt -u compat41 +shopt -u direxpand shopt -u dirspell shopt -u dotglob shopt -u execfail @@ -68,6 +69,7 @@ shopt -u compat32 shopt -u compat40 shopt -u compat41 +shopt -u direxpand shopt -u dirspell shopt -u dotglob shopt -u execfail @@ -101,6 +103,7 @@ compat32 off compat40 off compat41 off +direxpand off dirspell off dotglob off execfail off diff -Naur bash-4.2.orig/variables.c bash-4.2/variables.c --- bash-4.2.orig/variables.c 2011-01-25 01:07:48.000000000 +0000 +++ bash-4.2/variables.c 2013-03-12 21:55:21.499771358 +0000 @@ -3653,6 +3653,22 @@ return n; } +int +chkexport (name) + char *name; +{ + SHELL_VAR *v; + + v = find_variable (name); + if (v && exported_p (v)) + { + array_needs_making = 1; + maybe_make_export_env (); + return 1; + } + return 0; +} + void maybe_make_export_env () { @@ -4214,7 +4230,7 @@ { "TEXTDOMAIN", sv_locale }, { "TEXTDOMAINDIR", sv_locale }, -#if defined (HAVE_TZSET) && defined (PROMPT_STRING_DECODE) +#if defined (HAVE_TZSET) { "TZ", sv_tz }, #endif @@ -4558,12 +4574,13 @@ } #endif /* HISTORY */ -#if defined (HAVE_TZSET) && defined (PROMPT_STRING_DECODE) +#if defined (HAVE_TZSET) void sv_tz (name) char *name; { - tzset (); + if (chkexport (name)) + tzset (); } #endif diff -Naur bash-4.2.orig/variables.h bash-4.2/variables.h --- bash-4.2.orig/variables.h 2010-12-03 01:22:01.000000000 +0000 +++ bash-4.2/variables.h 2013-03-12 21:55:21.486771306 +0000 @@ -313,6 +313,7 @@ extern void sort_variables __P((SHELL_VAR **)); +extern int chkexport __P((char *)); extern void maybe_make_export_env __P((void)); extern void update_export_env_inplace __P((char *, int, char *)); extern void put_command_name_into_env __P((char *));