[pschweitzer] 64524: [MSPAINT] - Check for correct allocation - Don't leak in case of file opening failure

Author: pschweitzer
Date: Sat Oct  4 15:41:38 2014
New Revision: 64524

URL: http://svn.reactos.org/svn/reactos?rev=64524&view=rev
Log:
[MSPAINT]
- Check for correct allocation
- Don't leak in case of file opening failure

Modified:
    trunk/reactos/base/applications/mspaint/dib.c

Modified: trunk/reactos/base/applications/mspaint/dib.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/mspaint/…
==============================================================================
--- trunk/reactos/base/applications/mspaint/dib.c	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/mspaint/dib.c	[iso-8859-1] Sat Oct  4 15:41:38 2014
@@ -72,11 +72,17 @@
     bi.biYPelsPerMeter = vRes;
 
     buffer = HeapAlloc(GetProcessHeap(), 0, imgDataSize);
+    if (!buffer)
+        return;
+
     GetDIBits(hDC, hBitmap, 0, bm.bmHeight, buffer, (LPBITMAPINFO) & bi,
DIB_RGB_COLORS);
 
     hFile = CreateFile(FileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
     if (hFile == INVALID_HANDLE_VALUE)
+    {
+        HeapFree(GetProcessHeap(), 0, buffer);
         return;
+    }
 
     WriteFile(hFile, &bf, sizeof(BITMAPFILEHEADER), &dwBytesWritten, NULL);
     WriteFile(hFile, &bi, sizeof(BITMAPINFOHEADER), &dwBytesWritten, NULL);