From 131a60ab2d0ca57f721e374466055cc9e2290ae9 Mon Sep 17 00:00:00 2001
From: Tonton Th <sigfood@dinorama.fr>
Date: Fri, 31 Jan 2020 18:22:05 +0100
Subject: [PATCH] trace messages go to stderr

---
 tbb.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/tbb.c b/tbb.c
index c11baf2..115d7b5 100644
--- a/tbb.c
+++ b/tbb.c
@@ -23,7 +23,7 @@ if (NULL==bublist) {
 print_bublist_desc(bublist, 1);
 
 foo = free_bubulles(bublist, 0);
-printf("free bubulles -> %d\n", foo);
+fprintf(stderr, "free bubulles -> %d\n", foo);
 
 }
 /* --------------------------------------------------------------------- */
@@ -37,17 +37,20 @@ bublist = alloc_bubulles("push & pop", nbelm, 0);
 
 for (idx=0; idx<nbelm; idx++) {
 	bubulle.p.x = (double)idx;
-	bubulle.p.y = bubulle.p.z = 0.3;
+	if (idx & 0xf0) 
+		bubulle.p.y = bubulle.p.z = 0.3;
+	else
+		bubulle.p.y = bubulle.p.z = 0.8;
 	foo = push_bubulle(bublist, &bubulle);
 	}
 
 /* WTF ? where is the 'pop' test ? */
 
 foo = bubulles_to_data("dummy-file", NULL, bublist, 0);	
-printf("ecriture bubulles -> %d\n", foo);
+fprintf(stderr, "ecriture bubulles -> %d\n", foo);
 
 foo = free_bubulles(bublist, 0);
-printf("free bubulles -> %d\n", foo);
+fprintf(stderr, "free bubulles -> %d\n", foo);
 
 return 0;
 }
@@ -78,23 +81,23 @@ in = nbre /  2;
 out = nbre + 42;
 
 foo = peek_bubulle(bublist, &bubulle, in);
-printf("peek 1     -> %7d\n", foo);
+fprintf(stderr, "peek 1     -> %7d\n", foo);
 
 foo = niceprint_bubulle(&bubulle, 0);
-printf("niceprint  -> %7d\n", foo);
+fprintf(stderr, "niceprint  -> %7d\n", foo);
 
 foo = peek_bubulle(bublist, &bubulle, out);
-printf("peek 2     -> %7d\n", foo);
+fprintf(stderr, "peek 2     -> %7d\n", foo);
 
 bubulle.p.y = 3.14159;
 foo = poke_bubulle(bublist, &bubulle, in);
-printf("poke 1     -> %7d\n", foo);
+fprintf(stderr, "poke 2     -> %7d\n", foo);
 
 foo = peek_bubulle(bublist, &bubulle, in);
-printf("peek 3     -> %7d\n", foo);
+fprintf(stderr, "peek 3     -> %7d\n", foo);
 
 foo = niceprint_bubulle(&bubulle, 0);
-printf("niceprint  -> %7d\n", foo);
+fprintf(stderr, "niceprint  -> %7d\n", foo);
 
 free_bubulles(bublist, 0);