[pschweitzer] 58535: [CMD] Don't leak memory on realloc failure

Author: pschweitzer
Date: Sun Mar 17 12:58:53 2013
New Revision: 58535

URL: http://svn.reactos.org/svn/reactos?rev=58535&view=rev
Log:
[CMD]
Don't leak memory on realloc failure

Modified:
    trunk/reactos/base/shell/cmd/copy.c
    trunk/reactos/base/shell/cmd/filecomp.c

Modified: trunk/reactos/base/shell/cmd/copy.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/copy.c?rev=5...
==============================================================================
--- trunk/reactos/base/shell/cmd/copy.c [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/copy.c [iso-8859-1] Sun Mar 17 12:58:53 2013
@@ -377,11 +377,15 @@

if (size > 512)
     {
+        TCHAR *old_evar = evar;
         evar = cmd_realloc(evar,size * sizeof(TCHAR) );
         if (evar!=NULL)
             size = GetEnvironmentVariable (_T("COPYCMD"), evar, size);
         else
+        {
             size=0;
+            evar = old_evar;
+        }
     }

/* check see if we did get any env variable */

Modified: trunk/reactos/base/shell/cmd/filecomp.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/filecomp.c?r...
==============================================================================
--- trunk/reactos/base/shell/cmd/filecomp.c [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/filecomp.c [iso-8859-1] Sun Mar 17 12:58:53 2013
@@ -666,6 +666,8 @@
    /* aseemble a list of all files names */
    do
    {
+		FileName * oldFileList = FileList;
+
    	if(!_tcscmp (file.cFileName, _T(".")) ||
    		!_tcscmp (file.cFileName, _T("..")))
    		continue;
@@ -683,6 +685,8 @@

if(FileList == NULL)
    	{
+			/* Don't leak old buffer */
+			cmd_free(oldFileList);
    		/* Assemble the orginal string and return */
    		_tcscpy(strOut,szOrginal);
    		FindClose(hFile);