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kernel32/tests: Avoid an input buffer overrun in the empty console write test.

This commit is contained in:
Andrew Nguyen 2011-01-02 21:18:36 -06:00 committed by Alexandre Julliard
parent 536876afc3
commit ab8b2cfaa1
1 changed files with 3 additions and 3 deletions
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6
dlls/kernel32/tests/console.c
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@ -171,9 +171,9 @@ static void testCursorInfo(HANDLE hCon)
static void testEmptyWrite(HANDLE hCon)
{
static const char emptybuf[16];
COORD c;
DWORD len;
const char* mytest = "";
c.X = c.Y = 0;
ok(SetConsoleCursorPosition(hCon, c) != 0, "Cursor in upper-left\n");
@ -197,13 +197,13 @@ static void testEmptyWrite(HANDLE hCon)
}
len = -1;
ok(WriteConsole(hCon, mytest, 0, &len, NULL) != 0 && len == 0, "WriteConsole\n");
ok(WriteConsole(hCon, emptybuf, 0, &len, NULL) != 0 && len == 0, "WriteConsole\n");
okCURSOR(hCon, c);
/* WriteConsole does not halt on a null terminator and is happy to write
* memory contents beyond the actual size of the buffer. */
len = -1;
ok(WriteConsole(hCon, mytest, 16, &len, NULL) != 0 && len == 16, "WriteConsole\n");
ok(WriteConsole(hCon, emptybuf, 16, &len, NULL) != 0 && len == 16, "WriteConsole\n");
c.X += 16;
okCURSOR(hCon, c);
}