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Win32: fix segfault in WriteConsoleW when debugging in gdb

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On Windows XP (not Win7), WriteConsoleW and WriteFile seem to raise and
catch SIGSEGV if the lpNumberOfCharsWritten parameter is NULL. This is not
a problem when executed standalone, but gdb stops execution here (unless
disabled via "handle SIGSEGV nostop").

Fix it by passing a dummy variable.

Signed-off-by: Karsten Blees <blees@dcon.de>
This commit is contained in:
Karsten Blees
2012-03-15 14:45:49 +01:00
committed by Stepan Kasal
parent 366e03fbf0
commit 9d86323559
1 changed files with 4 additions and 2 deletions
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6
compat/winansi.c
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@@ -72,7 +72,8 @@ static void warn_if_raster_font(void)
L"doesn\'t support Unicode. If you experience strange "
L"characters in the output, consider switching to a "
L"TrueType font such as Lucida Console!\n";
WriteConsoleW(console, msg, wcslen(msg), NULL, NULL);
DWORD dummy;
WriteConsoleW(console, msg, wcslen(msg), &dummy, NULL);
}
}
@@ -114,12 +115,13 @@ static void write_console(unsigned char *str, size_t len)
{
/* only called from console_thread, so a static buffer will do */
static wchar_t wbuf[2 * BUFFER_SIZE + 1];
DWORD dummy;
/* convert utf-8 to utf-16 */
int wlen = xutftowcsn(wbuf, (char*) str, ARRAY_SIZE(wbuf), len);
/* write directly to console */
WriteConsoleW(console, wbuf, wlen, NULL, NULL);
WriteConsoleW(console, wbuf, wlen, &dummy, NULL);
/* remember if non-ascii characters are printed */
if (wlen != len)