cmd.exe: Increase size of WCMD_HandleTildeModifiers() buffers to MAXSTRING.

Some buffers in WCMD_HandleTildeModifiers() are only of size MAX_PATH, even though they handle strings that aren't necessarily filenames. When changed to have size MAXSTRING, a stack overflow crash with strings of size MAX_PATH stops happening. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=42731Signed-off-by: Damjan Jovanovic <damjan.jov@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

cmd.exe: Increase size of WCMD_HandleTildeModifiers() buffers to MAXSTRING.
abe848f0 · Damjan Jovanovic · Alexandre Julliard · ab1a9792 · abe848f0
Commit abe848f0 authored Nov 13, 2020 by Damjan Jovanovic Committed by Alexandre Julliard Nov 17, 2020
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batch.c programs/cmd/batch.c +2 -2

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--- a/programs/cmd/batch.c
+++ b/programs/cmd/batch.c
@@ -342,8 +342,8 @@ void WCMD_HandleTildeModifiers(WCHAR **start, BOOL atExecute)
  };

  WIN32_FILE_ATTRIBUTE_DATA fileInfo;
-  WCHAR  outputparam[MAX_PATH];
-  WCHAR  finaloutput[MAX_PATH];
+  WCHAR  outputparam[MAXSTRING];
+  WCHAR  finaloutput[MAXSTRING];
  WCHAR  fullfilename[MAX_PATH];
  WCHAR  thisoutput[MAX_PATH];
  WCHAR  *filepart       = NULL;