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Work around buggy malloc() implementations that cause problems on malloc(0).
Ticket #1572. (CVS 2996) FossilOrigin-Name: ada5490f12795a8d13d0f42077c463709c677846
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@@ -14,7 +14,7 @@
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** other files are for internal use by SQLite and should not be
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** accessed by users of the library.
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**
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** $Id: legacy.c,v 1.12 2006/01/18 15:25:17 danielk1977 Exp $
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** $Id: legacy.c,v 1.13 2006/01/23 13:14:55 drh Exp $
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*/
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#include "sqliteInt.h"
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@@ -68,8 +68,8 @@ int sqlite3_exec(
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nCallback = 0;
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nCol = sqlite3_column_count(pStmt);
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azCols = sqliteMalloc(2*nCol*sizeof(const char *));
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if( nCol && !azCols ){
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azCols = sqliteMalloc(2*nCol*sizeof(const char *) + 1);
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if( azCols==0 ){
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goto exec_out;
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}
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