Add -O option to redirect output to stderr.

src/atest.c

@@ -217,7 +217,7 @@ int main (int argc, char *argv[])
 	}
 #endif
 
-	text_color_init(1);
+	text_color_init(1, 0);
 	text_color_set(DW_COLOR_INFO);
 
 /* 

src/cm108.c

@@ -113,7 +113,7 @@
 
 int main (void)
 {
-	text_color_init (0);    // Turn off text color.
+	text_color_init (0, 0);    // Turn off text color.
 #if defined(__OpenBSD__) || defined(__FreeBSD__)
 	dw_printf ("CM108 PTT support is not available for this operating system.\n");
 #else
@@ -340,7 +340,7 @@ int main (int argc, char **argv)
 	int num_things;
 	int i;
 
-	text_color_init (0);    // Turn off text color.
+	text_color_init (0, 0);    // Turn off text color.
 	text_color_set(DW_COLOR_INFO);
 
 	if (argc >=2) {

src/decode_aprs.c

@@ -5330,7 +5330,7 @@ int main (int argc, char *argv[])
 	}
 
 	// If you don't like the text colors, use 0 instead of 1 here.
-	text_color_init(1);
+	text_color_init(1, 0);
 	text_color_set(DW_COLOR_INFO);
 
 	while (fgets(stuff, sizeof(stuff), stdin) != NULL) 

src/direwolf.c

@@ -242,6 +242,8 @@ int main (int argc, char *argv[])
 	char x_opt_mode = ' ';		/* "-x N" option for transmitting calibration tones. */
 	int x_opt_chan = 0;		/* Split into 2 parts.  Mode e.g.  m, a, and optional channel. */
 
+	int O_opt = 0;			/* Redirect text io to stderr for use with stdout audio */
+
 	strlcpy(l_opt_logdir, "", sizeof(l_opt_logdir));
 	strlcpy(L_opt_logfile, "", sizeof(L_opt_logfile));
 	strlcpy(P_opt, "", sizeof(P_opt));
@@ -270,8 +272,8 @@ int main (int argc, char *argv[])
 #endif
 
 /*
- * Pre-scan the command line options for the text color option.
- * We need to set this before any text output.
+ * Pre-scan the command line options for the text color and stdout redirect options.
+ * We need to set these before any text output.
  * Default will be no colors if stdout is not a terminal (i.e. piped into
  * something else such as "tee") but command line can override this.
  */
@@ -286,10 +288,12 @@ int main (int argc, char *argv[])
 
 // FIXME: consider case of no space between t and number.
 
-	for (j=1; j<argc-1; j++) {
+	for (j=1; j<argc; j++) {
 	  if (strcmp(argv[j], "-t") == 0) {
 	    t_opt = atoi (argv[j+1]);
 	    //dw_printf ("DEBUG: text color option = %d.\n", t_opt);
+	  } else if (strcmp(argv[j], "-O") == 0) {
+	    O_opt = 1;
 	  }
 	}
 
@@ -299,7 +303,7 @@ int main (int argc, char *argv[])
 	// Might want to print OS version here.   For Windows, see:
 	// https://msdn.microsoft.com/en-us/library/ms724451(v=VS.85).aspx
 
-	text_color_init(t_opt);
+	text_color_init(t_opt, O_opt);
 	text_color_set(DW_COLOR_INFO);
 	dw_printf ("Dire Wolf version %d.%d (%s) BETA TEST 7\n", MAJOR_VERSION, MINOR_VERSION, __DATE__);
 	//dw_printf ("Dire Wolf DEVELOPMENT version %d.%d %s (%s)\n", MAJOR_VERSION, MINOR_VERSION, "G", __DATE__);
@@ -421,7 +425,7 @@ int main (int argc, char *argv[])
 
 	  /* ':' following option character means arg is required. */
 
-          c = getopt_long(argc, argv, "hP:B:gjJD:U:c:px:r:b:n:d:q:t:ul:L:Sa:E:T:e:X:AI:i:",
+          c = getopt_long(argc, argv, "hP:B:gjJD:U:c:px:r:b:n:d:q:t:ul:L:Sa:E:T:e:X:AI:i:O",
                         long_options, &option_index);
           if (c == -1)
             break;
@@ -738,6 +742,10 @@ int main (int argc, char *argv[])
 	    A_opt_ais_to_obj = 1;
 	    break;
 
+	  case 'O':				/* Was handled earlier. -O Redirects output to stderr. */
+	    break;
+
+
           default:
 
             /* Should not be here. */

src/il2p_test.c

@@ -53,7 +53,7 @@ static void decode_bitstream(void);
 int main ()
 {
 	int enable_color = 1;
-	text_color_init (enable_color);
+	text_color_init (enable_color, 0);
 
 	int enable_debug_out = 0;
 	il2p_init(enable_debug_out);

src/kissutil.c

@@ -179,7 +179,7 @@ static void trim (char *stuff)
 
 int main (int argc, char *argv[])
 {
-	text_color_init (0);	// Turn off text color.
+	text_color_init (0, 0);	// Turn off text color.
 				// It could interfere with trying to pipe stdout to some other application.
 
 #if __WIN32__

src/textcolor.c

@@ -171,14 +171,20 @@ static const char clear_eos[]	= "\e[0J";
  */
 
 static int g_enable_color = 1;
+static FILE *g_dw_printf_dest = 0;
 
-
-void text_color_init (int enable_color)
+void text_color_init (int enable_color, int redirect_output)
 {
-
+	if (redirect_output != 0) {
+	  g_dw_printf_dest = stderr;
+	  enable_color = 0;
+	} else {
+	  g_dw_printf_dest = stdout;
+	}
 
 #if __WIN32__
 
+	g_enable_color = enable_color;
 
 	if (g_enable_color != 0) {
 
@@ -208,7 +214,7 @@ void text_color_init (int enable_color)
 	if (enable_color < 0 || enable_color > MAX_T) {
 	  int t;
 	  for (t = 0; t <= MAX_T; t++) {
-	    text_color_init (t);
+	    text_color_init (t, redirect_output);
 	    printf ("-t %d", t);
 	    if (t) printf ("   [white background]   ");
 	    printf ("\n");
@@ -377,7 +383,7 @@ int dw_printf (const char *fmt, ...)
 
 // TODO: other possible destinations...
 
-	fputs (buffer, stdout);
+	fputs (buffer, g_dw_printf_dest);
 	return (len);
 }
 
@@ -387,7 +393,7 @@ int dw_printf (const char *fmt, ...)
 main () 
 {
 	printf ("Initial condition\n");
-	text_color_init (1);
+	text_color_init (1, 0);
 	printf ("After text_color_init\n");
 	text_color_set(DW_COLOR_INFO); 		printf ("Info\n");
 	text_color_set(DW_COLOR_ERROR); 	printf ("Error\n");

src/textcolor.h

@@ -22,7 +22,7 @@ enum dw_color_e { 	DW_COLOR_INFO,		/* black */
 typedef enum dw_color_e dw_color_t;
 
 			
-void text_color_init (int enable_color);
+void text_color_init (int enable_color, int redirect_output);
 void text_color_set (dw_color_t c);
 void text_color_term (void);