From: Bruno Haible <bruno@clisp.org>
Date: Sun, 13 Apr 2008 19:41:13 +0000 (+0200)
Subject: Work around a HP-UX stdio bug.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e135441c120410c222891af756b35e079ba579b1;p=pspp

Work around a HP-UX stdio bug.
---

diff --git a/ChangeLog b/ChangeLog
index b9b9692fc2..46aa92cc7d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-04-13  Bruno Haible  <bruno@clisp.org>
+
+	Work around a HP-UX stdio bug.
+	* tests/test-ftell.c (main): Disable the fseek/ftell test on HP-UX.
+	* tests/test-ftello.c (main): Likewise.
+	* doc/posix-functions/ftell.texi: Mention HP-UX bug.
+	* doc/posix-functions/ftello.texi: Likewise.
+
 2008-04-13  Bruno Haible  <bruno@clisp.org>
 
 	Make test-signbit pass on HP-UX/hppa.
diff --git a/doc/posix-functions/ftell.texi b/doc/posix-functions/ftell.texi
index 00b5402dc3..a692859eef 100644
--- a/doc/posix-functions/ftell.texi
+++ b/doc/posix-functions/ftell.texi
@@ -10,6 +10,10 @@ Portability problems fixed by Gnulib:
 @itemize
 @item
 This function mistakenly succeeds on pipes on some platforms: mingw.
+@item
+This function produces incorrect results immediately after @code{fseek} on some
+platforms:
+HP-UX 11.
 @end itemize
 
 Portability problems not fixed by Gnulib:
diff --git a/doc/posix-functions/ftello.texi b/doc/posix-functions/ftello.texi
index e78300fb6f..ddee6a2bd0 100644
--- a/doc/posix-functions/ftello.texi
+++ b/doc/posix-functions/ftello.texi
@@ -15,6 +15,10 @@ OSF/1 4.0, Solaris 2.5.1, mingw.
 The declaration of @code{ftello} in @code{<stdio.h>} is not enabled by default
 on some platforms: glibc 2.3.6.
 @item
+This function produces incorrect results immediately after @code{fseek} on some
+platforms:
+HP-UX 11.
+@item
 This function fails on seekable stdin, stdout, and stderr: cygwin <= 1.5.24.
 @end itemize
 
diff --git a/tests/test-ftell.c b/tests/test-ftell.c
index 79af6c56fe..092be192d6 100644
--- a/tests/test-ftell.c
+++ b/tests/test-ftell.c
@@ -80,9 +80,11 @@ main (int argc, char **argv)
   ASSERT (ch == '@');
   ASSERT (ftell (stdin) == 3);
 
+#if !defined __hpux /* HP-UX 11 has a known bug here */
   /* Test ftell after ungetc without read.  */
   ASSERT (fseek (stdin, 0, SEEK_CUR) == 0);
   ASSERT (ftell (stdin) == 3);
+#endif
 
   ch = ungetc ('~', stdin);
   ASSERT (ch == '~');
diff --git a/tests/test-ftello.c b/tests/test-ftello.c
index 26c7ab5503..87f4966ae8 100644
--- a/tests/test-ftello.c
+++ b/tests/test-ftello.c
@@ -88,10 +88,12 @@ main (int argc, char **argv)
   ASSERT (ftell (stdin) == 3);
   ASSERT (ftello (stdin) == 3);
 
+#if !defined __hpux /* HP-UX 11 has a known bug here */
   /* Test ftell after ungetc without read.  */
   ASSERT (fseek (stdin, 0, SEEK_CUR) == 0);
   ASSERT (ftell (stdin) == 3);
   ASSERT (ftello (stdin) == 3);
+#endif
 
   ch = ungetc ('~', stdin);
   ASSERT (ch == '~');