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1                              BASH PATCH REPORT
2                              =================
3
4 Bash-Release: 4.0
5 Patch-ID: bash40-020
6
7 Bug-Reported-by: Nicolai Lissner <nlissne@linux01.org>
8 Bug-Reference-ID: <20090412020510.GA29658@lilith>
9 Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2009-04/msg00104.html
10
11 Bug-Description:
12
13 If a SIGWINCH arrives while bash is performing redisplay, multi-line prompts
14 are displayed incorrectly due to the display code being called recursively.
15
16 Patch:
17
18 *** ../bash-4.0-patched/lib/readline/readline.h 2009-01-04 14:32:33.000000000 -0500
19 --- lib/readline/readline.h     2009-04-13 08:47:00.000000000 -0400
20 ***************
21 *** 815,820 ****
22   #define RL_STATE_MULTIKEY     0x200000        /* reading multiple-key command */
23   #define RL_STATE_VICMDONCE    0x400000        /* entered vi command mode at least once */
24   
25 ! #define RL_STATE_DONE         0x800000        /* done; accepted line */
26   
27   #define RL_SETSTATE(x)                (rl_readline_state |= (x))
28 --- 815,821 ----
29   #define RL_STATE_MULTIKEY     0x200000        /* reading multiple-key command */
30   #define RL_STATE_VICMDONCE    0x400000        /* entered vi command mode at least once */
31 + #define RL_STATE_REDISPLAYING 0x800000        /* updating terminal display */
32   
33 ! #define RL_STATE_DONE         0x1000000       /* done; accepted line */
34   
35   #define RL_SETSTATE(x)                (rl_readline_state |= (x))
36 *** ../bash-4.0-patched/lib/readline/display.c  2009-01-04 14:32:32.000000000 -0500
37 --- lib/readline/display.c      2009-04-13 08:29:54.000000000 -0400
38 ***************
39 *** 513,516 ****
40 --- 513,517 ----
41        data structures. */
42     _rl_block_sigint ();  
43 +   RL_SETSTATE (RL_STATE_REDISPLAYING);
44   
45     if (!rl_display_prompt)
46 ***************
47 *** 1237,1240 ****
48 --- 1238,1242 ----
49     }
50   
51 +   RL_UNSETSTATE (RL_STATE_REDISPLAYING);
52     _rl_release_sigint ();
53   }
54 *** ../bash-4.0-patched/lib/readline/terminal.c 2009-01-04 14:32:34.000000000 -0500
55 --- lib/readline/terminal.c     2009-04-13 08:43:00.000000000 -0400
56 ***************
57 *** 356,360 ****
58         if (CUSTOM_REDISPLAY_FUNC ())
59         rl_forced_update_display ();
60 !       else
61         _rl_redisplay_after_sigwinch ();
62       }
63 --- 356,360 ----
64         if (CUSTOM_REDISPLAY_FUNC ())
65         rl_forced_update_display ();
66 !       else if (RL_ISSTATE(RL_STATE_REDISPLAYING) == 0)
67         _rl_redisplay_after_sigwinch ();
68       }
69 *** ../bash-4.0/patchlevel.h    2009-01-04 14:32:40.000000000 -0500
70 --- patchlevel.h        2009-02-22 16:11:31.000000000 -0500
71 ***************
72 *** 26,30 ****
73      looks for to find the patch level (for the sccs version string). */
74   
75 ! #define PATCHLEVEL 19
76   
77   #endif /* _PATCHLEVEL_H_ */
78 --- 26,30 ----
79      looks for to find the patch level (for the sccs version string). */
80   
81 ! #define PATCHLEVEL 20
82   
83   #endif /* _PATCHLEVEL_H_ */
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