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components/ksh93/patches/225-17817727.patch
author Lijo George<lijo.x.george@oracle.com>
Thu, 23 Feb 2017 01:05:08 -0800
changeset 7683 7955769fefe6
parent 4268 d723f8ed85fe
permissions -rw-r--r--
20855453 ksh93 echo displaying wrong variable value due to missing EIO handling
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
4268
d723f8ed85fe PSARC/2014/162 ksh93 update to 2012-08-01
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This fix is from the community, details in the following location.
d723f8ed85fe PSARC/2014/162 ksh93 update to 2012-08-01
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http://lists.research.att.com/pipermail/ast-users/2013q4/004481.html
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---
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--- a/src/cmd/ksh93/sh/streval.c	2014-01-22 10:39:11.075964500 +0100
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+++ b/src/cmd/ksh93/sh/streval.c	2014-01-22 13:21:35.999184260 +0100
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@@ -366,13 +366,17 @@
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 				num = (Sflong_t)(sp[-1]) / (Sflong_t)(num);
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 			break;
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 		    case A_LSHIFT:
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-			if(tp[-1]==2)
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+			if((long)num >= CHAR_BIT*sizeof(Sfulong_t))
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+				num = 0;
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+			else if(tp[-1]==2)
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 				num = U2F((Sfulong_t)(sp[-1]) << (long)(num));
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 			else
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 				num = (Sflong_t)(sp[-1]) << (long)(num);
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 			break;
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 		    case A_RSHIFT:
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-			if(tp[-1]==2)
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+			if((long)num >= CHAR_BIT*sizeof(Sfulong_t))
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+				num = 0;
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+			else if(tp[-1]==2)
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 				num = U2F((Sfulong_t)(sp[-1]) >> (long)(num));
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 			else
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 				num = (Sflong_t)(sp[-1]) >> (long)(num);
upstream/oracle/userland-gate