X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-ftello.c;h=d66ea0ccb7dbf1d8f5b136232e36e6ac0b98a504;hb=b2b1b4208042f959acc8cbc9ec1da0cac0445492;hp=f87783fc26e569bacff292409680e4deb0e22798;hpb=cec93e99d19f54c8f310b8290bab9014891530e3;p=gnulib.git

diff --git a/tests/test-ftello.c b/tests/test-ftello.c
index f87783fc2..d66ea0ccb 100644
--- a/tests/test-ftello.c
+++ b/tests/test-ftello.c
@@ -25,9 +25,12 @@
 #include <sys/types.h>
 
 int
-main ()
+main (int argc, char **argv)
 {
-  /* This test assumes stdin is seekable.  */
-  off_t pos = ftello (stdin);
-  return pos < 0;
+  /* Assume stdin is seekable iff argc > 1.  */
+  int expected = argc > 1 ? 0 : -1;
+  /* Exit with success only if ftell/ftello agree.  */
+  off_t pos1 = ftello (stdin);
+  long pos2 = ftell (stdin);
+  return ! (pos1 == pos2 && pos1 == expected);
 }