diff options
Diffstat (limited to 'source/a/bash/bash-4.2-patches/bash42-012')
| -rw-r--r-- | source/a/bash/bash-4.2-patches/bash42-012 | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/source/a/bash/bash-4.2-patches/bash42-012 b/source/a/bash/bash-4.2-patches/bash42-012 new file mode 100644 index 000000000..70f0a56b6 --- /dev/null +++ b/source/a/bash/bash-4.2-patches/bash42-012 @@ -0,0 +1,151 @@ + BASH PATCH REPORT + ================= + +Bash-Release: 4.2 +Patch-ID: bash42-012 + +Bug-Reported-by: Rui Santos <rsantos@grupopie.com> +Bug-Reference-ID: <4E04C6D0.2020507@grupopie.com> +Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2011-06/msg00079.html + +Bug-Description: + +When calling the parser to recursively parse a command substitution within +an arithmetic expansion, the shell overwrote the saved shell input line and +associated state, resulting in a garbled command. + +Patch (apply with `patch -p0'): + +*** ../bash-4.2-patched/parse.y 2011-02-26 19:19:05.000000000 -0500 +--- parse.y 2011-06-24 20:08:22.000000000 -0400 +*************** +*** 3843,3846 **** +--- 3849,3853 ---- + { + sh_parser_state_t ps; ++ sh_input_line_state_t ls; + int orig_ind, nc, sflags; + char *ret, *s, *ep, *ostring; +*************** +*** 3850,3857 **** +--- 3857,3866 ---- + 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); + + /*(*/ +*************** +*** 3862,3865 **** +--- 3871,3876 ---- + 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; +*************** +*** 5909,5912 **** +--- 5920,5929 ---- + 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); + } +*************** +*** 5950,5953 **** +--- 5967,6006 ---- + 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 (); + } + +*** ../bash-4.2-patched/shell.h 2011-01-06 22:16:55.000000000 -0500 +--- shell.h 2011-06-24 19:12:25.000000000 -0400 +*************** +*** 137,140 **** +--- 139,145 ---- + int *token_state; + ++ char *token; ++ int token_buffer_size; ++ + /* input line state -- line number saved elsewhere */ + int input_line_terminator; +*************** +*** 167,171 **** +--- 172,186 ---- + } 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 *)); +*** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010 +--- patchlevel.h Thu Feb 24 21:41:34 2011 +*************** +*** 26,30 **** + looks for to find the patch level (for the sccs version string). */ + +! #define PATCHLEVEL 11 + + #endif /* _PATCHLEVEL_H_ */ +--- 26,30 ---- + looks for to find the patch level (for the sccs version string). */ + +! #define PATCHLEVEL 12 + + #endif /* _PATCHLEVEL_H_ */ |