bk commit into 5.0 tree (msvensson:1.2392) BUG#19474

[msvensson]

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ChangeSet@stripped, 2007-01-29 12:24:08+01:00, msvensson@stripped +1 -0
  Bug#19474 readline bug: mysql: free(): invalid pointer
   - Write to uninitialised memory occured since _rl_rapped_lines buffer
     was not extended in CHECK_INV_LBREAKS macro
   - Patch submitted to bug-readline@stripped

  cmd-line-utils/readline/display.c@stripped, 2007-01-29 12:24:06+01:00,
msvensson@stripped +12 -0
    Extend _rl_wrapped_lines everytime inv_lbsize is increased

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	msvensson
# Host:	pilot.mysql.com
# Root:	/home/msvensson/mysql/bug19474/my50-bug19474

--- 1.15/cmd-line-utils/readline/display.c	2006-11-20 21:41:36 +01:00
+++ 1.16/cmd-line-utils/readline/display.c	2007-01-29 12:24:06 +01:00
@@ -524,14 +524,26 @@
       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)) \
+	  { \
+	    inv_lbsize *= 2; \
+	    inv_lbreaks = (int *)xrealloc (inv_lbreaks, inv_lbsize * sizeof (int)); \
+	  } \
+      } while (0)
+#endif
 
 #if defined (HANDLE_MULTIBYTE)	  
 #define CHECK_LPOS() \