1 files changed, 141 insertions, 0 deletions
diff --git a/android/utils/debug.c b/android/utils/debug.c
new file mode 100644
index 0000000..32936d2
--- /dev/null
+++ b/android/utils/debug.c
@@ -0,0 +1,141 @@
+/* Copyright (C) 2007-2008 The Android Open Source Project
+**
+** This software is licensed under the terms of the GNU General Public
+** License version 2, as published by the Free Software Foundation, and
+** may be copied, distributed, and modified under those terms.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+*/
+#include "android/utils/debug.h"
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+void
+dprint( const char*  format,  ... )
+{
+    va_list  args;
+    va_start( args, format );
+    fprintf( stdout, "emulator: ");
+    vfprintf( stdout, format, args );
+    fprintf( stdout, "\n" );
+    va_end( args );
+}
+
+void
+dprintn( const char*  format, ... )
+{
+    va_list  args;
+    va_start( args, format );
+    vfprintf( stdout, format, args );
+    va_end( args );
+}
+
+void
+dprintnv( const char*  format, va_list args )
+{
+    vfprintf( stdout, format, args );
+}
+
+
+void
+dwarning( const char*  format, ... )
+{
+    va_list  args;
+    va_start( args, format );
+    dprintn( "emulator: WARNING: " );
+    dprintnv( format, args );
+    dprintn( "\n" );
+    va_end( args );
+}
+
+
+void
+derror( const char*  format, ... )
+{
+    va_list  args;
+    va_start( args, format );
+    dprintn( "emulator: ERROR: " );
+    dprintnv( format, args );
+    dprintn( "\n" );
+    va_end( args );
+}
+
+/** STDOUT/STDERR REDIRECTION
+ **
+ ** allows you to shut temporarily shutdown stdout/stderr
+ ** this is useful to get rid of debug messages from ALSA and esd
+ ** on Linux.
+ **/
+static int    stdio_disable_count;
+static int    stdio_save_out_fd;
+static int    stdio_save_err_fd;
+
+#ifdef _WIN32
+extern void
+stdio_disable( void )
+{
+    if (++stdio_disable_count == 1) {
+        int  null_fd, out_fd, err_fd;
+        fflush(stdout);
+        out_fd = _fileno(stdout);
+        err_fd = _fileno(stderr);
+        stdio_save_out_fd = _dup(out_fd);
+        stdio_save_err_fd = _dup(err_fd);
+        null_fd = _open( "NUL", _O_WRONLY );
+        _dup2(null_fd, out_fd);
+        _dup2(null_fd, err_fd);
+        close(null_fd);
+    }
+}
+
+extern void
+stdio_enable( void )
+{
+    if (--stdio_disable_count == 0) {
+        int  out_fd, err_fd;
+        fflush(stdout);
+        out_fd = _fileno(stdout);
+        err_fd = _fileno(stderr);
+        _dup2(stdio_save_out_fd, out_fd);
+        _dup2(stdio_save_err_fd, err_fd);
+        _close(stdio_save_out_fd);
+        _close(stdio_save_err_fd);
+    }
+}
+#else
+extern void
+stdio_disable( void )
+{
+    if (++stdio_disable_count == 1) {
+        int  null_fd, out_fd, err_fd;
+        fflush(stdout);
+        out_fd = fileno(stdout);
+        err_fd = fileno(stderr);
+        stdio_save_out_fd = dup(out_fd);
+        stdio_save_err_fd = dup(err_fd);
+        null_fd = open( "/dev/null", O_WRONLY );
+        dup2(null_fd, out_fd);
+        dup2(null_fd, err_fd);
+        close(null_fd);
+    }
+}
+
+extern void
+stdio_enable( void )
+{
+    if (--stdio_disable_count == 0) {
+        int  out_fd, err_fd;
+        fflush(stdout);
+        out_fd = fileno(stdout);
+        err_fd = fileno(stderr);
+        dup2(stdio_save_out_fd, out_fd);
+        dup2(stdio_save_err_fd, err_fd);
+        close(stdio_save_out_fd);
+        close(stdio_save_err_fd);
+    }
+}
+#endif