gettimeofday: port recent C++ fix to Emacs

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

diff --git a/tests/test-getdelim.c b/tests/test-getdelim.c
index aca6d60..6e95918 100644 (file)
--- a/tests/test-getdelim.c
+++ b/tests/test-getdelim.c
@@ -1,5 +1,5 @@
 /* Test of getdelim() function.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007-2013 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
@@ -12,39 +12,33 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
 
 /* Written by Eric Blake <ebb9@byu.net>, 2007.  */
 
 #include <config.h>
 
 #include <stdio.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (getdelim, ssize_t, (char **, size_t *, int, FILE *));
+
 #include <stdlib.h>
 #include <string.h>
 
-#define ASSERT(expr) \
-  do                                                                        \
-    {                                                                       \
-      if (!(expr))                                                          \
-        {                                                                   \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          abort ();                                                         \
-        }                                                                   \
-    }                                                                       \
-  while (0)
+#include "macros.h"
 
 int
-main (int argc, char **argv)
+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");
@@ -59,13 +53,24 @@ main (int argc, char **argv)
     }
 
   /* 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);