Fixed segv when debugger registry key doesn't exist.

debugger/winedbg.c

@@ -67,7 +67,14 @@ static	BOOL DEBUG_IntVarsRW(int read)
 #undef   INTERNAL_VAR
     }
 
-    if (!RegOpenKey(HKEY_CURRENT_USER, "Software\\Wine\\WineDbg", &hkey)) {
+    if (RegOpenKey(HKEY_CURRENT_USER, "Software\\Wine\\WineDbg", &hkey) &&
+	RegCreateKeyA(HKEY_CURRENT_USER, "Software\\Wine\\WineDbg", &hkey)) {
+	/* since the IVars are not yet setup, DEBUG_Printf doesn't work,
+	 * so don't use it */
+	fprintf(stderr, "Cannot create WineDbg key in registry\n");
+	return FALSE;
+    }
+
     for (i = 0; i < DBG_IV_LAST; i++) {
 	if (read) {
 	    if (!DEBUG_IntVars[i].pval) {
@@ -86,7 +93,6 @@ static	BOOL DEBUG_IntVarsRW(int read)
 	}
     }
     RegCloseKey(hkey);
-    }
     return TRUE;
 }
 
@@ -549,9 +555,7 @@ static	DWORD	DEBUG_MainLoop(DWORD pid)
 int DEBUG_main(int argc, char** argv)
 {
     DWORD	pid = 0, retv = 0;
-    int		i;
 
-    for  (i = 0; i < argc; i++) fprintf(stderr, "argv[%d]=%s\n", i, argv[i]);
 #ifdef DBG_need_heap
     /* Initialize the debugger heap. */
     dbg_heap = HeapCreate(HEAP_NO_SERIALIZE, 0x1000, 0x8000000); /* 128MB */
@@ -562,7 +566,7 @@ int DEBUG_main(int argc, char** argv)
     DEBUG_InitCVDataTypes();    
 
     /* Initialize internal vars */
-    DEBUG_IntVarsRW(TRUE);
+    if (!DEBUG_IntVarsRW(TRUE)) return -1;
 
     /* keep it as a guiexe for now, so that Wine won't touch the Unix stdin, 
      * stdout and stderr streams