Commit e03a3fe5 authored by Dmitry Timoshkov's avatar Dmitry Timoshkov Committed by Alexandre Julliard

kernel32: Add a workaround for broken apps that pass negative values to ReadConsole.

parent b2d85738
......@@ -34,6 +34,7 @@
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
......@@ -1614,9 +1615,10 @@ BOOL WINAPI ReadConsoleA(HANDLE hConsoleInput, LPVOID lpBuffer, DWORD nNumberOfC
}
if ((ret = ReadConsoleW(hConsoleInput, ptr, nNumberOfCharsToRead, &ncr, NULL)))
{
ncr = WideCharToMultiByte(GetConsoleCP(), 0, ptr, ncr, lpBuffer, nNumberOfCharsToRead, NULL, NULL);
if (lpNumberOfCharsRead) *lpNumberOfCharsRead = ncr;
}
HeapFree(GetProcessHeap(), 0, ptr);
return ret;
......@@ -1637,6 +1639,12 @@ BOOL WINAPI ReadConsoleW(HANDLE hConsoleInput, LPVOID lpBuffer,
TRACE("(%p,%p,%d,%p,%p)\n",
hConsoleInput, lpBuffer, nNumberOfCharsToRead, lpNumberOfCharsRead, lpReserved);
if (nNumberOfCharsToRead > INT_MAX)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (!GetConsoleMode(hConsoleInput, &mode))
return FALSE;
if ((fd = get_console_bare_fd(hConsoleInput)) != -1)
......
......@@ -2566,8 +2566,6 @@ static void test_ReadConsole(void)
ok(ret == INVALID_FILE_SIZE, "expected INVALID_FILE_SIZE, got %#x\n", ret);
ok(GetLastError() == ERROR_INVALID_HANDLE, "expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
if (0) /* FIXME: uncomment once Wine doesn't hang forever */
{
bytes = 0xdeadbeef;
SetLastError(0xdeadbeef);
ret = ReadFile(std_input, buf, -128, &bytes, NULL);
......@@ -2580,18 +2578,14 @@ if (0) /* FIXME: uncomment once Wine doesn't hang forever */
ret = ReadConsoleA(std_input, buf, -128, &bytes, NULL);
ok(!ret, "expected 0, got %u\n", ret);
ok(GetLastError() == ERROR_NOT_ENOUGH_MEMORY, "expected ERROR_NOT_ENOUGH_MEMORY, got %d\n", GetLastError());
ok(bytes == 0xdeadbeef, "expected 0xdeadbeef, %#x\n", bytes);
}
ok(bytes == 0xdeadbeef, "expected 0xdeadbeef, got %#x\n", bytes);
if (0) /* FIXME: uncomment once Wine doesn't hang forever */
{
bytes = 0xdeadbeef;
SetLastError(0xdeadbeef);
ret = ReadConsoleW(std_input, buf, -128, &bytes, NULL);
ok(!ret, "expected 0, got %u\n", ret);
ok(GetLastError() == ERROR_NOT_ENOUGH_MEMORY, "expected ERROR_NOT_ENOUGH_MEMORY, got %d\n", GetLastError());
ok(bytes == 0xdeadbeef, "expected 0xdeadbeef, %#x\n", bytes);
}
ok(bytes == 0xdeadbeef, "expected 0xdeadbeef, got %#x\n", bytes);
}
START_TEST(console)
......
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