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* [Bug libc/4359] New: the __freadable function is not compatible with Solaris
@ 2007-04-13 22:04 bruno at clisp dot org
2007-04-13 22:05 ` [Bug libc/4359] " bruno at clisp dot org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: bruno at clisp dot org @ 2007-04-13 22:04 UTC (permalink / raw)
To: glibc-bugs
The comments in <stdio_ext.h> indicate that the functions declared in this
file are intended to be Solaris compatible. However, __freadable is not.
Attached program prints on Solaris:
Initial state for write-only stream: 0 1
Initial state for read-only stream: 1 0
Initial state for read-write stream: 0 0
Initial state for read-write stream: 0 0
And on a glibc system:
Initial state for write-only stream: 1 1
Initial state for read-only stream: 1 0
Initial state for read-write stream: 1 0
Initial state for read-write stream: 1 0
--
Summary: the __freadable function is not compatible with Solaris
Product: glibc
Version: 2.3.6
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper at redhat dot com
ReportedBy: bruno at clisp dot org
CC: glibc-bugs at sources dot redhat dot com
GCC build triplet: i586-suse-linux
GCC host triplet: i586-suse-linux
GCC target triplet: i586-suse-linux
http://sourceware.org/bugzilla/show_bug.cgi?id=4359
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* [Bug libc/4359] the __freadable function is not compatible with Solaris
2007-04-13 22:04 [Bug libc/4359] New: the __freadable function is not compatible with Solaris bruno at clisp dot org
@ 2007-04-13 22:05 ` bruno at clisp dot org
2007-04-13 22:07 ` [Bug libc/4359] the __freading " bruno at clisp dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: bruno at clisp dot org @ 2007-04-13 22:05 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From bruno at clisp dot org 2007-04-13 23:05 -------
Created an attachment (id=1679)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=1679&action=view)
source code of test program
--
http://sourceware.org/bugzilla/show_bug.cgi?id=4359
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* [Bug libc/4359] the __freading function is not compatible with Solaris
2007-04-13 22:04 [Bug libc/4359] New: the __freadable function is not compatible with Solaris bruno at clisp dot org
2007-04-13 22:05 ` [Bug libc/4359] " bruno at clisp dot org
@ 2007-04-13 22:07 ` bruno at clisp dot org
2007-10-13 7:21 ` drepper at redhat dot com
2007-10-13 11:13 ` bruno at clisp dot org
3 siblings, 0 replies; 5+ messages in thread
From: bruno at clisp dot org @ 2007-04-13 22:07 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From bruno at clisp dot org 2007-04-13 23:07 -------
Oops, I meant __freading, not __freadable.
--
What |Removed |Added
----------------------------------------------------------------------------
Summary|the __freadable function is |the __freading function is
|not compatible with Solaris |not compatible with Solaris
http://sourceware.org/bugzilla/show_bug.cgi?id=4359
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* [Bug libc/4359] the __freading function is not compatible with Solaris
2007-04-13 22:04 [Bug libc/4359] New: the __freadable function is not compatible with Solaris bruno at clisp dot org
2007-04-13 22:05 ` [Bug libc/4359] " bruno at clisp dot org
2007-04-13 22:07 ` [Bug libc/4359] the __freading " bruno at clisp dot org
@ 2007-10-13 7:21 ` drepper at redhat dot com
2007-10-13 11:13 ` bruno at clisp dot org
3 siblings, 0 replies; 5+ messages in thread
From: drepper at redhat dot com @ 2007-10-13 7:21 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From drepper at redhat dot com 2007-10-13 07:21 -------
While I don't quite see why it's needed (libio simply puts new streams in
read-mode) I added appropriate changes.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://sourceware.org/bugzilla/show_bug.cgi?id=4359
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* [Bug libc/4359] the __freading function is not compatible with Solaris
2007-04-13 22:04 [Bug libc/4359] New: the __freadable function is not compatible with Solaris bruno at clisp dot org
` (2 preceding siblings ...)
2007-10-13 7:21 ` drepper at redhat dot com
@ 2007-10-13 11:13 ` bruno at clisp dot org
3 siblings, 0 replies; 5+ messages in thread
From: bruno at clisp dot org @ 2007-10-13 11:13 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From bruno at clisp dot org 2007-10-13 11:12 -------
Thank you. This change allows to describe what __freading returns in a quite
precise way, as follows. Also, it makes __freading symmetric to __fwriting.
/* Return true if the stream STREAM is opened read-only, or if the
last operation on the stream was a read operation. Return false if
the stream is opened write-only or append-only, or if it supports
writing and there is no current read operation (such as fputc).
freading and fwriting will never both be true. If STREAM supports
both reads and writes, then:
- both freading and fwriting might be false when the stream is first
opened, after read encounters EOF, or after fflush,
- freading might be false or true and fwriting might be false
after repositioning (such as fseek, fsetpos, or rewind),
depending on the underlying implementation. */
extern int __freading (FILE *stream);
--
http://sourceware.org/bugzilla/show_bug.cgi?id=4359
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end of thread, other threads:[~2007-10-13 11:13 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-04-13 22:04 [Bug libc/4359] New: the __freadable function is not compatible with Solaris bruno at clisp dot org
2007-04-13 22:05 ` [Bug libc/4359] " bruno at clisp dot org
2007-04-13 22:07 ` [Bug libc/4359] the __freading " bruno at clisp dot org
2007-10-13 7:21 ` drepper at redhat dot com
2007-10-13 11:13 ` bruno at clisp dot org
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