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62649d |
*** ../bash-4.3-patched/builtins/common.h 2013-07-08 16:54:47.000000000 -0400
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62649d |
--- builtins/common.h 2014-09-12 14:25:47.000000000 -0400
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62649d |
***************
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62649d |
*** 34,37 ****
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62649d |
--- 49,54 ----
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62649d |
#define SEVAL_PARSEONLY 0x020
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62649d |
#define SEVAL_NOLONGJMP 0x040
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62649d |
+ #define SEVAL_FUNCDEF 0x080 /* only allow function definitions */
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62649d |
+ #define SEVAL_ONECMD 0x100 /* only allow a single command */
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62649d |
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62649d |
/* Flags for describe_command, shared between type.def and command.def */
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62649d |
*** ../bash-4.3-patched/builtins/evalstring.c 2014-02-11 09:42:10.000000000 -0500
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62649d |
--- builtins/evalstring.c 2014-09-14 14:15:13.000000000 -0400
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62649d |
***************
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62649d |
*** 309,312 ****
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62649d |
--- 313,324 ----
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62649d |
struct fd_bitmap *bitmap;
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62649d |
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62649d |
+ if ((flags & SEVAL_FUNCDEF) && command->type != cm_function_def)
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62649d |
+ {
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62649d |
+ internal_warning ("%s: ignoring function definition attempt", from_file);
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62649d |
+ should_jump_to_top_level = 0;
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62649d |
+ last_result = last_command_exit_value = EX_BADUSAGE;
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62649d |
+ break;
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62649d |
+ }
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62649d |
+
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62649d |
bitmap = new_fd_bitmap (FD_BITMAP_SIZE);
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62649d |
begin_unwind_frame ("pe_dispose");
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62649d |
***************
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62649d |
*** 369,372 ****
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62649d |
--- 381,387 ----
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62649d |
dispose_fd_bitmap (bitmap);
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62649d |
discard_unwind_frame ("pe_dispose");
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62649d |
+
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62649d |
+ if (flags & SEVAL_ONECMD)
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62649d |
+ break;
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62649d |
}
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62649d |
}
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62649d |
*** ../bash-4.3-patched/variables.c 2014-05-15 08:26:50.000000000 -0400
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62649d |
--- variables.c 2014-09-14 14:23:35.000000000 -0400
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62649d |
***************
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62649d |
*** 359,368 ****
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62649d |
strcpy (temp_string + char_index + 1, string);
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62649d |
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62649d |
! parse_and_execute (temp_string, name, SEVAL_NONINT|SEVAL_NOHIST);
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62649d |
!
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62649d |
! /* Ancient backwards compatibility. Old versions of bash exported
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62649d |
! functions like name()=() {...} */
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62649d |
! if (name[char_index - 1] == ')' && name[char_index - 2] == '(')
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62649d |
! name[char_index - 2] = '\0';
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62649d |
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62649d |
if (temp_var = find_function (name))
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62649d |
--- 364,372 ----
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62649d |
strcpy (temp_string + char_index + 1, string);
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62649d |
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62649d |
! /* Don't import function names that are invalid identifiers from the
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62649d |
! environment, though we still allow them to be defined as shell
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62649d |
! variables. */
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62649d |
! if (legal_identifier (name))
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62649d |
! parse_and_execute (temp_string, name, SEVAL_NONINT|SEVAL_NOHIST|SEVAL_FUNCDEF|SEVAL_ONECMD);
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62649d |
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62649d |
if (temp_var = find_function (name))
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