https://sourceware.org/bugzilla/show_bug.cgi?id=29947
Bug ID: 29947
Summary: libbfd real_fopen & libiberty unlink_if_ordinary
functions are not handling Windows nul device
correctly
Product: binutils
Version: 2.39
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: himalr at proton dot me
Target Milestone: ---
Created attachment 14541
--> https://sourceware.org/bugzilla/attachment.cgi?id=14541&action=edit
Handle Windows nul device correctly.
This bug affects gas when used as "as.exe -v -o nul" (or -o /dev/null) under
msys2-mingw.
Error message,
Assembler messages:
Fatal error: can't create nul: Invalid argument
gcc.exe: error: nul: Permission denied
I originally reported this to
[MINGW-packages](https://github.com/msys2/MINGW-packages/issues/14725 and they
asked me to report this here as well. This is my pull request
https://github.com/msys2/MINGW-packages/pull/14775
I'm attaching those two patches here as well. The second one is for
unlink_if_ordinary at libiberty/unlink-if-ordinary.c because under
Windows/MINGW, S_ISREG returns true for null device.
Please note that I'm not a C programmer so let me know if there are any issues
with these patches.
Thanks.
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