strtoumax: Avoid link error on OSF/1 with DTK cc.

[gnulib.git] / tests / test-getdelim.c

diff --git a/tests/test-getdelim.c b/tests/test-getdelim.c
index dbb44a6..f4d1c9d 100644 (file)
--- a/tests/test-getdelim.c
+++ b/tests/test-getdelim.c
@@ -1,5 +1,5 @@
 /* Test of getdelim() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -33,13 +33,13 @@ int
 main (void)
 {
   FILE *f;
-  char *line = NULL;
-  size_t len = 0;
+  char *line;
+  size_t len;
   ssize_t result;
 
   /* Create test file.  */
   f = fopen ("test-getdelim.txt", "wb");
-  if (!f || fwrite ("anbcnd\0f", 1, 8, f) != 8 || fclose (f) != 0)
+  if (!f || fwrite ("anAnbcnd\0f", 1, 10, f) != 10 || fclose (f) != 0)
     {
       fputs ("Failed to create sample file.\n", stderr);
       remove ("test-getdelim.txt");
@@ -54,13 +54,24 @@ main (void)
     }
 
   /* Test initial allocation, which must include trailing NUL.  */
+  line = NULL;
+  len = 0;
   result = getdelim (&line, &len, 'n', f);
   ASSERT (result == 2);
   ASSERT (strcmp (line, "an") == 0);
   ASSERT (2 < len);
+  free (line);
 
-  /* Test growth of buffer.  */
+  /* Test initial allocation again, with line = NULL and len != 0.  */
+  line = NULL;
+  len = (size_t)(~0) / 4;
+  result = getdelim (&line, &len, 'n', f);
+  ASSERT (result == 2);
+  ASSERT (strcmp (line, "An") == 0);
+  ASSERT (2 < len);
   free (line);
+
+  /* Test growth of buffer.  */
   line = malloc (1);
   len = 1;
   result = getdelim (&line, &len, 'n', f);