32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
$OpenBSD: patch-agen5_defLoad_c,v 1.1 2006/12/09 18:28:53 kili Exp $
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# Fix use after realloc.
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--- agen5/defLoad.c.orig Sun Sep 24 04:58:59 2006
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+++ agen5/defLoad.c Sun Nov 19 18:30:20 2006
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@@ -418,6 +418,7 @@ readDefines( void )
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*/
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if (sizeLeft == 0) {
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tScanCtx* p;
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+ char *oldPzData;
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/*
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* IF it is a regular file, then we are done
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@@ -430,6 +431,7 @@ readDefines( void )
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* Try to reallocate our input buffer.
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*/
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dataSize += (sizeLeft = 0x1000);
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+ oldPzData = pBaseCtx->pzData;
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p = (tScanCtx*)AGREALOC( (void*)pBaseCtx,
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dataSize+4+sizeof( *pBaseCtx ),
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"expanded file buffer" );
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@@ -442,7 +444,7 @@ readDefines( void )
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if (p != pBaseCtx) {
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p->pzScan = \
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p->pzData = (char*)(p+1);
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- pzData = p->pzData + (pzData - pBaseCtx->pzData);
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+ pzData = p->pzData + (pzData - oldPzData);
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pBaseCtx = p;
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}
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}
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