From: Arnaud Giersch <arnaud.giersch@iut-bm.univ-fcomte.fr>
Date: Thu, 20 Oct 2011 09:20:58 +0000 (+0200)
Subject: tesh: do not fail on empty output, when sorting is enabled.
X-Git-Tag: exp_20120216~555^2~5
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/d5f0ad45f7340489424eff51f8e3dc158a6ffb02

tesh: do not fail on empty output, when sorting is enabled.
---

diff --git a/tools/tesh/run_context.c b/tools/tesh/run_context.c
index fa0c8ac220..f734a41c16 100644
--- a/tools/tesh/run_context.c
+++ b/tools/tesh/run_context.c
@@ -727,7 +727,7 @@ void *rctx_wait(void *r)
     if (rctx->output_sort) {
       xbt_dynar_sort(b, cmpstringp);
       /* If empty lines moved in first position, remove them */
-      while (*xbt_dynar_getfirst_as(b, char *) == '\0')
+      while (!xbt_dynar_is_empty(b) && *xbt_dynar_getfirst_as(b, char*) == '\0')
         xbt_dynar_shift(b, NULL);
     }