--- egg.c.orig	Thu Mar  1 22:39:31 2007
+++ egg.c	Sun Oct  3 13:24:48 2021
@@ -10,11 +10,29 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdarg.h>
 
 #include <anthy/anthy.h>
 
 #include "config.h"
 
+static FILE *xxxfd;
+
+static void xxxprintf(const char *format, ...)
+{
+	va_list	ap;
+
+	va_start(ap, format);
+	vfprintf(stdout, format, ap);
+	va_end(ap);
+
+	va_start(ap, format);
+	vfprintf(xxxfd, format, ap);
+	va_end(ap);
+	fflush(xxxfd);
+}
+
+
 /*
  *            connection        context 
  *  S -- open -> [ ] -- new ----> [ ] -- convert --> [ ] --> get_candidates
@@ -273,7 +291,7 @@ say_hello (void)
 {
   const char *options = "";
 
-  printf ("Anthy (Version %s) [%s] : Nice to meet you.\r\n", VERSION, 
+  xxxprintf ("Anthy (Version %s) [%s] : Nice to meet you.\r\n", VERSION, 
 	  options);
   fflush (stdout);
   return 0;
@@ -285,7 +303,7 @@ say_hello (void)
 static int
 say_unknown (void)
 {
-  printf ("-ERR %d Unknown command.\r\n", ERROR_CODE_UNKNOWN);
+  xxxprintf ("-ERR %d Unknown command.\r\n", ERROR_CODE_UNKNOWN);
   fflush (stdout);
   return 0;
 }
@@ -302,9 +320,9 @@ do_commit (const char *line)
   cancel = strtol (p+1, &p, 10);
   r = end_conversion (c, cancel);
   if (r < 0)
-    printf ("-ERR %d commit failed.\r\n", -r);
+    xxxprintf ("-ERR %d commit failed.\r\n", -r);
   else
-    printf ("+OK\r\n");
+    xxxprintf ("+OK\r\n");
   fflush (stdout);
   return 0;
 }
@@ -314,16 +332,16 @@ output_segments (struct context *c, int seg_num, int r
 {
   int i;
 
-  printf ("+DATA %d %d %d\r\n", seg_num, removed, inserted);
+  xxxprintf ("+DATA %d %d %d\r\n", seg_num, removed, inserted);
   for (i = seg_num; i < seg_num + inserted; i++) {
     int nc;
 
     nc = get_segment_number_of_candidates (c, i);
-    printf ("%d " ,nc);
-    printf ("%s ", get_segment_converted (c, i));
-    printf ("%s\r\n", get_segment_yomi (c, i));
+    xxxprintf ("%d " ,nc);
+    xxxprintf ("%s ", get_segment_converted (c, i));
+    xxxprintf ("%s\r\n", get_segment_yomi (c, i));
   }
-  printf ("\r\n");
+  xxxprintf ("\r\n");
 }
 
 static int
@@ -337,7 +355,7 @@ do_convert (const char *line)
   c = c_desc_to_context (c_desc);
   r = begin_conversion (c, p+1);
   if (r < 0)
-    printf ("-ERR %d convert failed.\r\n", -r);
+    xxxprintf ("-ERR %d convert failed.\r\n", -r);
   else
     {
       int n = get_number_of_segments (c);
@@ -368,10 +386,10 @@ do_get_candidates (const char *line)
   if (nc < cand_offset + max_cands)
     max = nc;
 
-  printf ("+DATA %d %d\r\n", cand_offset, max);
+  xxxprintf ("+DATA %d %d\r\n", cand_offset, max);
   for (i = cand_offset; i < max; i++)
-    printf ("%s\r\n", get_segment_candidate (c, seg_num, i));
-  printf ("\r\n");  
+    xxxprintf ("%s\r\n", get_segment_candidate (c, seg_num, i));
+  xxxprintf ("\r\n");  
 
   fflush (stdout);
   return 0;
@@ -384,15 +402,15 @@ do_new_context (const char *line)
 
   /* XXX: Should check arguments */
   if (strncmp (" INPUT=#18 OUTPUT=#18", line+11, 20) != 0) {
-    printf ("-ERR %d unsupported context\r\n", ERROR_CODE_UNSUPPOTED);
+    xxxprintf ("-ERR %d unsupported context\r\n", ERROR_CODE_UNSUPPOTED);
     return 1;
   }
 
   r = new_context ();
   if (r < 0)
-    printf ("-ERR %d new context failed.\r\n", -r);
+    xxxprintf ("-ERR %d new context failed.\r\n", -r);
   else
-    printf ("+OK %d\r\n", r);
+    xxxprintf ("+OK %d\r\n", r);
 
   fflush (stdout);
   return 0;
@@ -408,9 +426,9 @@ do_release_context (const char *line)
   c_desc = strtol (line+15, &p, 10);
   r = release_context (c_desc);
   if (r < 0)
-    printf ("-ERR %d release context failed.\r\n", -r);
+    xxxprintf ("-ERR %d release context failed.\r\n", -r);
   else
-    printf ("+OK\r\n");
+    xxxprintf ("+OK\r\n");
 
   fflush (stdout);
   return 0;
@@ -430,7 +448,7 @@ do_resize_segment (const char *line)
   r = resize_segment (c, seg_num, inc_dec);
 
   if (r < 0)
-    printf ("-ERR %d resize failed.\r\n", -r);
+    xxxprintf ("-ERR %d resize failed.\r\n", -r);
   else {
     int removed, inserted;
 
@@ -459,7 +477,7 @@ do_select_candidate (const char *line)
   r = select_candidate (c, seg_num, cand_num);
 
   if (r < 0)
-    printf ("-ERR %d select failed.\r\n", -r);
+    xxxprintf ("-ERR %d select failed.\r\n", -r);
   else {
     int removed;
 
@@ -467,7 +485,7 @@ do_select_candidate (const char *line)
     removed = get_number_of_segments_removed (c, seg_num);
 
     if (removed == 0)
-      printf ("+OK\r\n");
+      xxxprintf ("+OK\r\n");
     else {
       int inserted = get_number_of_segments_inserted (c, seg_num);
 
@@ -520,6 +538,9 @@ egg_main (void)
   int done = 0;
   char *s, *p;
 
+  xxxfd = fopen("/tmp/anthy-egg.log", "w");
+  if (xxxfd == NULL) return;
+
   say_hello ();
 
   while (!done) {
@@ -530,6 +551,8 @@ egg_main (void)
       fprintf (stderr, "null input\n");
       break;
     }
+    fprintf(xxxfd, "%s", s);
+    fflush(xxxfd);
     if ((p = (char *)memchr(s, '\n', MAX_LINE)) == NULL) {
       fprintf (stderr, "no newline\n");
       break;