X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-fflush.c;h=6f369f021ae1bb83e4289cf778a07adcd9b2d6fb;hb=e6bf8b0764b43ff4ce477b80187a3765b6d2135b;hp=276d8bfba1f503b6ea58f20f8ff649c9d65b071c;hpb=0c47a3bb3a69d0d77c423adc3b2ed1948d87cf16;p=gnulib.git

diff --git a/tests/test-fflush.c b/tests/test-fflush.c
old mode 100755
new mode 100644
index 276d8bfba..6f369f021
--- a/tests/test-fflush.c
+++ b/tests/test-fflush.c
@@ -1,10 +1,10 @@
 /* Test of POSIX compatible fflush() function.
    Copyright (C) 2007 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   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
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -12,14 +12,11 @@
    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, 2007.  */
 
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
 
 #include <stdio.h>
 #include <unistd.h>
@@ -33,7 +30,7 @@ main (int argc, char *argv[])
 
   /* Create test file.  */
   f = fopen ("test-fflush.txt", "w");
-  if (!f || fwrite ("1234567890", 1, 10, f) != 10 || fclose (f) != 0)
+  if (!f || fwrite ("1234567890ABCDEFG", 1, 17, f) != 17 || fclose (f) != 0)
     {
       fputs ("Failed to create sample file.\n", stderr);
       unlink ("test-fflush.txt");
@@ -50,18 +47,21 @@ main (int argc, char *argv[])
       unlink ("test-fflush.txt");
       return 1;
     }
-  /* For deterministic results, ensure f read a bigger buffer.  */
+  /* For deterministic results, ensure f read a bigger buffer.
+     This is not the case on BeOS, nor on uClibc.  */
+#if !(defined __BEOS__ || defined __UCLIBC__)
   if (lseek (fd, 0, SEEK_CUR) == 5)
     {
-      fputs ("Sample file was not buffered.\n", stderr);
+      fputs ("Sample file was not buffered after fread.\n", stderr);
       fclose (f);
       unlink ("test-fflush.txt");
       return 1;
     }
+#endif
   /* POSIX requires fflush-fseek to set file offset of fd.  */
   if (fflush (f) != 0 || fseek (f, 0, SEEK_CUR) != 0)
     {
-      fputs ("Failed to flush sample file.\n", stderr);
+      fputs ("Failed to flush-fseek sample file.\n", stderr);
       fclose (f);
       unlink ("test-fflush.txt");
       return 1;
@@ -69,7 +69,16 @@ main (int argc, char *argv[])
   /* Check that offset is correct.  */
   if (lseek (fd, 0, SEEK_CUR) != 5)
     {
-      fputs ("File offset is wrong.\n", stderr);
+      fprintf (stderr, "File offset is wrong after fseek: %ld.\n",
+	       (long) lseek (fd, 0, SEEK_CUR));
+      fclose (f);
+      unlink ("test-fflush.txt");
+      return 1;
+    }
+  if (ftell (f) != 5)
+    {
+      fprintf (stderr, "ftell result is wrong after fseek: %ld.\n",
+	       (long) ftell (f));
       fclose (f);
       unlink ("test-fflush.txt");
       return 1;
@@ -77,7 +86,48 @@ main (int argc, char *argv[])
   /* Check that file reading resumes at correct location.  */
   if (fgetc (f) != '6')
     {
-      fputs ("Failed to read next byte of file.\n", stderr);
+      fputs ("Failed to read next byte after fseek.\n", stderr);
+      fclose (f);
+      unlink ("test-fflush.txt");
+      return 1;
+    }
+  /* For deterministic results, ensure f read a bigger buffer.  */
+  if (lseek (fd, 0, SEEK_CUR) == 6)
+    {
+      fputs ("Sample file was not buffered after fgetc.\n", stderr);
+      fclose (f);
+      unlink ("test-fflush.txt");
+      return 1;
+    }
+  /* POSIX requires fflush-fseeko to set file offset of fd.  */
+  if (fflush (f) != 0 || fseeko (f, 0, SEEK_CUR) != 0)
+    {
+      fputs ("Failed to flush-fseeko sample file.\n", stderr);
+      fclose (f);
+      unlink ("test-fflush.txt");
+      return 1;
+    }
+  /* Check that offset is correct.  */
+  if (lseek (fd, 0, SEEK_CUR) != 6)
+    {
+      fprintf (stderr, "File offset is wrong after fseeko: %ld.\n",
+	       (long) lseek (fd, 0, SEEK_CUR));
+      fclose (f);
+      unlink ("test-fflush.txt");
+      return 1;
+    }
+  if (ftell (f) != 6)
+    {
+      fprintf (stderr, "ftell result is wrong after fseeko: %ld.\n",
+	       (long) ftell (f));
+      fclose (f);
+      unlink ("test-fflush.txt");
+      return 1;
+    }
+  /* Check that file reading resumes at correct location.  */
+  if (fgetc (f) != '7')
+    {
+      fputs ("Failed to read next byte after fseeko.\n", stderr);
       fclose (f);
       unlink ("test-fflush.txt");
       return 1;