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util: Increase OutputDebugStringA to 4k.

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According to http://unixwiz.net/techtips/outputdebugstring.html that's
how big the buffer is.

The 512bytes limitation is in kernel mode.
This commit is contained in:
José Fonseca
2009-07-01 19:09:44 +01:00
parent e2a8ef4430
commit f2de2d5f37
1 changed files with 2 additions and 4 deletions
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6
src/gallium/auxiliary/util/u_debug.c
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@@ -97,10 +97,8 @@ void _debug_vprintf(const char *format, va_list ap)
buf[0] = '\0'; buf[0] = '\0';
} }
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) #elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
/* EngDebugPrint does not handle float point arguments, so we need to use /* OutputDebugStringA can be very slow, so buffer until we find a newline. */
* our own vsnprintf implementation. It is also very slow, so buffer until static char buf[4096] = {'\0'};
* we find a newline. */
static char buf[512 + 1] = {'\0'};
size_t len = strlen(buf); size_t len = strlen(buf);
int ret = util_vsnprintf(buf + len, sizeof(buf) - len, format, ap); int ret = util_vsnprintf(buf + len, sizeof(buf) - len, format, ap);
if(ret > (int)(sizeof(buf) - len - 1) || util_strchr(buf + len, '\n')) { if(ret > (int)(sizeof(buf) - len - 1) || util_strchr(buf + len, '\n')) {