From a96faee879f2b7a556a2428a8b38b0c081217a24 Mon Sep 17 00:00:00 2001
From: Arnaud Giersch <arnaud.giersch@iut-bm.univ-fcomte.fr>
Date: Tue, 4 Oct 2011 22:54:35 +0200
Subject: [PATCH] Make xbt_strbuff_chomp() really do its work.

---
 src/xbt/xbt_strbuff.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/xbt/xbt_strbuff.c b/src/xbt/xbt_strbuff.c
index b12ff3c299..a474b3a258 100644
--- a/src/xbt/xbt_strbuff.c
+++ b/src/xbt/xbt_strbuff.c
@@ -88,10 +88,9 @@ void xbt_strbuff_append(xbt_strbuff_t b, const char *toadd)
 
 XBT_INLINE void xbt_strbuff_chomp(xbt_strbuff_t b)
 {
-  while (b->data[b->used] == '\n') {
+  while (b->used && b->data[b->used - 1] == '\n') {
+    b->used--;
     b->data[b->used] = '\0';
-    if (b->used)
-      b->used--;
   }
 }
 
-- 
2.20.1