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components/ksh93/patches/17824699.patch
author Tomas Klacko <tomas.klacko@oracle.com>
Tue, 07 Jan 2014 05:15:45 -0800
changeset 1622 72f10d7bcda6
permissions -rw-r--r--
17824699 ksh93 coredumps in ed_emacsread() when changing prompt string (PS1)
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72f10d7bcda6 17824699 ksh93 coredumps in ed_emacsread() when changing prompt string (PS1)
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http://lists.research.att.com/pipermail/ast-developers/2014q1/003807.html
72f10d7bcda6 17824699 ksh93 coredumps in ed_emacsread() when changing prompt string (PS1)
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---
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diff --git a/src/cmd/ksh93/edit/edit.c b/src/cmd/ksh93/edit/edit.c
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index 769ba2e..4f6330e 100644
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--- a/src/cmd/ksh93/edit/edit.c
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+++ b/src/cmd/ksh93/edit/edit.c
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@@ -651,7 +651,8 @@ void	ed_setup(register Edit_t *ep, int fd, int reedit)
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 			{
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 				int skip=0;
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 				ep->e_crlf = 0;
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-				*pp++ = c;
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+				if (pp < ppmax)
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+					*pp++ = c;
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 				for(n=1; c = *last++; n++)
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 				{
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 					if(pp < ppmax)
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diff --git a/src/cmd/ksh93/include/edit.h b/src/cmd/ksh93/include/edit.h
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index 795777d..145066d 100644
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--- a/src/cmd/ksh93/include/edit.h
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+++ b/src/cmd/ksh93/include/edit.h
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@@ -59,7 +59,7 @@
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 #endif /* SHOPT_MULTIBYTE */
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 #define TABSIZE	8
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-#define PRSIZE	160
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+#define PRSIZE	256
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 #define MAXLINE	1024		/* longest edit line permitted */
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 typedef struct _edit_pos
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