ref: 03380482ce6c89b015b06dd22efced4aba66d418
parent: 3b45f564e94fde897c0e6e168c660a6e1ec5c679
author: Alexei Podtelezhnikov <apodtele@gmail.com>
date: Mon Nov 29 15:45:07 EST 2021
[builds/windows] Improve debugging. * builds/windows/ftdebug.c (FT_Message, FT_Panic): Buffer output and call `OutputDebugStringA` only if `IsDebuggerPresent`. [_WIN32_WCE] (OutputDebugStringA): Implement the missing API.
--- a/builds/windows/ftdebug.c
+++ b/builds/windows/ftdebug.c
@@ -93,13 +93,38 @@
#ifdef FT_DEBUG_LEVEL_ERROR
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-
+#define WIN32_LEAN_AND_MEAN
#include <windows.h>
+#ifdef _WIN32_WCE
+
+ FT_LOACAL_DEF( void )
+ OutputDebugStringA( LPCSTR lpOutputString )
+ {
+ int len;
+ LPWSTR lpOutputStringW;
+
+
+ /* allocate memory space for converted string */
+ len = MultiByteToWideChar( CP_ACP, MB_ERR_INVALID_CHARS,
+ lpOutputString, -1, NULL, 0 );
+
+ lpOutputStringW = (LPWSTR)_alloca( len * sizeof ( WCHAR ) );
+
+ if ( !len || !lpOutputStringW )
+ return;
+
+ /* now it is safe to do the translation */
+ MultiByteToWideChar( CP_ACP, MB_ERR_INVALID_CHARS,
+ lpOutputString, -1, lpOutputStringW, len );
+
+ OutputDebugStringW( lpOutputStringW );
+ }
+
+#endif /* _WIN32_WCE */
+
+
/* documentation is in ftdebug.h */
FT_BASE_DEF( void )
@@ -106,15 +131,19 @@
FT_Message( const char* fmt,
... )
{
- static char buf[8192];
- va_list ap;
+ va_list ap;
va_start( ap, fmt );
vfprintf( stderr, fmt, ap );
- /* send the string to the debugger as well */
- vsprintf( buf, fmt, ap );
- OutputDebugStringA( buf );
+ if ( IsDebuggerPresent() )
+ {
+ static char buf[1024];
+
+
+ vsnprintf( buf, sizeof buf, fmt, ap );
+ OutputDebugStringA( buf );
+ }
va_end( ap );
}
@@ -125,13 +154,19 @@
FT_Panic( const char* fmt,
... )
{
- static char buf[8192];
- va_list ap;
+ va_list ap;
va_start( ap, fmt );
- vsprintf( buf, fmt, ap );
- OutputDebugStringA( buf );
+ vfprintf( stderr, fmt, ap );
+ if ( IsDebuggerPresent() )
+ {
+ static char buf[1024];
+
+
+ vsnprintf( buf, sizeof buf, fmt, ap );
+ OutputDebugStringA( buf );
+ }
va_end( ap );
exit( EXIT_FAILURE );