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* [Bug libc/25895] New: Document fopen with pathname == NULL
@ 2020-04-29 14:52 marxin.liska at gmail dot com
2020-04-29 15:26 ` [Bug libc/25895] " schwab@linux-m68k.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: marxin.liska at gmail dot com @ 2020-04-29 14:52 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=25895
Bug ID: 25895
Summary: Document fopen with pathname == NULL
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: marxin.liska at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
It's follow up of:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94849
There are 2 questions:
- is it valid to call fopen with pathname == NULL?
- NULL argument is not mentioned at 'man fopen'
Note that Microsoft allows NULL argument:
https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/fopen-wfopen?view=vs-2019
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^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug libc/25895] Document fopen with pathname == NULL 2020-04-29 14:52 [Bug libc/25895] New: Document fopen with pathname == NULL marxin.liska at gmail dot com @ 2020-04-29 15:26 ` schwab@linux-m68k.org 2020-04-29 16:37 ` marxin.liska at gmail dot com ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: schwab@linux-m68k.org @ 2020-04-29 15:26 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25895 Andreas Schwab <schwab@linux-m68k.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> --- The first argument of fopen must be a string, and NULL isn't. There is nothing more to document, since it is covered by general undefined behviour. -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug libc/25895] Document fopen with pathname == NULL 2020-04-29 14:52 [Bug libc/25895] New: Document fopen with pathname == NULL marxin.liska at gmail dot com 2020-04-29 15:26 ` [Bug libc/25895] " schwab@linux-m68k.org @ 2020-04-29 16:37 ` marxin.liska at gmail dot com 2020-05-04 18:11 ` marxin.liska at gmail dot com ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: marxin.liska at gmail dot com @ 2020-04-29 16:37 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25895 --- Comment #2 from Martin Liška <marxin.liska at gmail dot com> --- So would it be possible to decorate the function with __nonnull ((1))? -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug libc/25895] Document fopen with pathname == NULL 2020-04-29 14:52 [Bug libc/25895] New: Document fopen with pathname == NULL marxin.liska at gmail dot com 2020-04-29 15:26 ` [Bug libc/25895] " schwab@linux-m68k.org 2020-04-29 16:37 ` marxin.liska at gmail dot com @ 2020-05-04 18:11 ` marxin.liska at gmail dot com 2020-05-09 8:02 ` mliska at suse dot cz ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: marxin.liska at gmail dot com @ 2020-05-04 18:11 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25895 Martin Liška <marxin.liska at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |UNCONFIRMED Resolution|INVALID |--- --- Comment #3 from Martin Liška <marxin.liska at gmail dot com> --- . -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug libc/25895] Document fopen with pathname == NULL 2020-04-29 14:52 [Bug libc/25895] New: Document fopen with pathname == NULL marxin.liska at gmail dot com ` (2 preceding siblings ...) 2020-05-04 18:11 ` marxin.liska at gmail dot com @ 2020-05-09 8:02 ` mliska at suse dot cz 2024-04-18 15:52 ` [Bug libc/25895] Add __nonnull ((1)) to fopen declaration carlos at redhat dot com ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: mliska at suse dot cz @ 2020-05-09 8:02 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25895 Martin Liska <mliska at suse dot cz> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mliska at suse dot cz -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug libc/25895] Add __nonnull ((1)) to fopen declaration 2020-04-29 14:52 [Bug libc/25895] New: Document fopen with pathname == NULL marxin.liska at gmail dot com ` (3 preceding siblings ...) 2020-05-09 8:02 ` mliska at suse dot cz @ 2024-04-18 15:52 ` carlos at redhat dot com 2024-04-18 15:53 ` carlos at redhat dot com 2024-05-10 1:56 ` sam at gentoo dot org 6 siblings, 0 replies; 8+ messages in thread From: carlos at redhat dot com @ 2024-04-18 15:52 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25895 Carlos O'Donell <carlos at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|Document fopen with |Add __nonnull ((1)) to |pathname == NULL |fopen declaration CC| |carlos at redhat dot com -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug libc/25895] Add __nonnull ((1)) to fopen declaration 2020-04-29 14:52 [Bug libc/25895] New: Document fopen with pathname == NULL marxin.liska at gmail dot com ` (4 preceding siblings ...) 2024-04-18 15:52 ` [Bug libc/25895] Add __nonnull ((1)) to fopen declaration carlos at redhat dot com @ 2024-04-18 15:53 ` carlos at redhat dot com 2024-05-10 1:56 ` sam at gentoo dot org 6 siblings, 0 replies; 8+ messages in thread From: carlos at redhat dot com @ 2024-04-18 15:53 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25895 Carlos O'Donell <carlos at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Last reconfirmed| |2024-04-18 --- Comment #4 from Carlos O'Donell <carlos at redhat dot com> --- (In reply to Martin Liška from comment #2) > So would it be possible to decorate the function with __nonnull ((1))? That would be an interesting thing to do but would require distribution testing to make sure we don't break applications that are currently compiling. -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug libc/25895] Add __nonnull ((1)) to fopen declaration 2020-04-29 14:52 [Bug libc/25895] New: Document fopen with pathname == NULL marxin.liska at gmail dot com ` (5 preceding siblings ...) 2024-04-18 15:53 ` carlos at redhat dot com @ 2024-05-10 1:56 ` sam at gentoo dot org 6 siblings, 0 replies; 8+ messages in thread From: sam at gentoo dot org @ 2024-05-10 1:56 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25895 Sam James <sam at gentoo dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |sam at gentoo dot org -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2024-05-10 1:56 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-04-29 14:52 [Bug libc/25895] New: Document fopen with pathname == NULL marxin.liska at gmail dot com 2020-04-29 15:26 ` [Bug libc/25895] " schwab@linux-m68k.org 2020-04-29 16:37 ` marxin.liska at gmail dot com 2020-05-04 18:11 ` marxin.liska at gmail dot com 2020-05-09 8:02 ` mliska at suse dot cz 2024-04-18 15:52 ` [Bug libc/25895] Add __nonnull ((1)) to fopen declaration carlos at redhat dot com 2024-04-18 15:53 ` carlos at redhat dot com 2024-05-10 1:56 ` sam at gentoo dot org
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