X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-strsignal.c;h=8868346e6fdb49249c67df897ab546e576a4e7c9;hb=217fb89cd467efe0ae1668ac1b69d5cc4742e79b;hp=16544f209debb091d1479777dd39fccff37ada35;hpb=ec1d2ed4fd41d9ff10d11a7a8784293163fb558d;p=gnulib.git

diff --git a/tests/test-strsignal.c b/tests/test-strsignal.c
index 16544f209..8868346e6 100644
--- a/tests/test-strsignal.c
+++ b/tests/test-strsignal.c
@@ -30,6 +30,7 @@
       if (!(expr))							     \
         {								     \
           fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);						     \
           abort ();							     \
         }								     \
     }									     \
@@ -45,7 +46,11 @@
 int
 main (int argc, char **argv)
 {
-  char *str;
+  /* Work around bug in cygwin 1.5.25 <string.h> by declaring str as
+     const char *, even though strsignal is supposed to return char *.
+     At any rate, this doesn't hurt, since POSIX 200x states that "The
+     string pointed to shall not be modified by the application."  */
+  const char *str;
 
   /* We try a couple of signals, since not all signals are supported
      everywhere.  Notwithstanding the #ifdef for neatness, SIGINT should in
@@ -65,5 +70,17 @@ main (int argc, char **argv)
   ASSERT_DESCRIPTION (str, "Interrupt");
 #endif
 
+  /* Test that for out-of-range signal numbers the result is usable.  */
+
+  str = strsignal (-1);
+  ASSERT (str);
+  ASSERT (str != (char *) -1);
+  ASSERT (strlen (str));
+
+  str = strsignal (9249234);
+  ASSERT (str);
+  ASSERT (str != (char *) -1);
+  ASSERT (strlen (str));
+
   return 0;
 }