X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-fflush.c;h=a6c0e18abb15f9f3a7336f9c3751eced75a0e129;hb=96f8fde75f5197ff2d68e616ef41532b96fba64f;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..a6c0e18ab
--- 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.
+ Copyright (C) 2007, 2009-2011 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
@@ -12,20 +12,24 @@
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 . */
/* Written by Eric Blake, 2007. */
-#ifdef HAVE_CONFIG_H
-# include
-#endif
+#include
+/* None of the files accessed by this test are large, so disable the
+ ftell link warning if we are not using the gnulib ftell module. */
+#define _GL_NO_LARGE_FILES
#include
+
+#include "signature.h"
+SIGNATURE_CHECK (fflush, int, (FILE *));
+
#include
int
-main (int argc, char *argv[])
+main (void)
{
FILE *f;
char buffer[10];
@@ -33,7 +37,7 @@ 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");
@@ -46,22 +50,26 @@ main (int argc, char *argv[])
if (!f || 0 > fd || fread (buffer, 1, 5, f) != 5)
{
fputs ("Failed initial read of sample file.\n", stderr);
- fclose (f);
+ if (f)
+ fclose (f);
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)
+ if (fflush (f) != 0 || fseeko (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 +77,16 @@ 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 +94,48 @@ 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;