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-rw-r--r--win/winMain.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/win/winMain.c b/win/winMain.c
index a21cc34..c3ec364 100644
--- a/win/winMain.c
+++ b/win/winMain.c
@@ -377,7 +377,7 @@ setargv(
#undef Tcl_Alloc
#undef Tcl_DbCkalloc
- argSpace = ckalloc(size * sizeof(char *)
+ argSpace = (TCHAR *)ckalloc(size * sizeof(char *)
+ (_tcslen(cmdLine) * sizeof(TCHAR)) + sizeof(TCHAR));
argv = (TCHAR **) argSpace;
argSpace += size * (sizeof(char *)/sizeof(TCHAR));