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In D52038, we kind of guess at the reason that pfs_create_dir() failed,
which isn't great: it could be EEXISTS, or it could even be ENOMEM.
Change the pfs_create_*() interfaces to return an error and use a double
pointer to return the new node as requested. Outside of the changes
in sys/fs/pseudofs, this diff is the result of running the added
coccinelle script against in-tree pseudofs and fixing all of the
style(9) violations that spatch added.
We set *opn to NULL in the failure cases to avoid breaking callers that
did actually error-check their results, since the cocci patch does not
attempt to handle that in any way.
Reviewed by: des (previous version), kib
Differential Revision: https://reviews.freebsd.org/D52157
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This reapplies logical r360944 and r360946 (reverting r360955), with fixed
copystr() stand-in replacement macro. Eventually the goal is to convert
consumers and kill the macro, but for a first step it helps if the macro is
correct.
Prior commit message:
Unlike the other copy*() functions, it does not serve to copy from one
address space to another or protect against potential faults. It's just
an older incarnation of the now-more-common strlcpy().
Add a coccinelle script to tools/ which can be used to mechanically
convert existing instances where replacement with strlcpy is trivial.
In the two cases which matched, fuse_vfsops.c and union_vfsops.c, the
code was further refactored manually to simplify.
Replace the declaration of copystr() in systm.h with a small macro
wrapper around strlcpy (with correction from brooks@ -- thanks).
Remove N redundant MI implementations of copystr. For MIPS, this
entailed inlining the assembler copystr into the only consumer,
copyinstr, and making the latter a leaf function.
Reviewed by: jhb (earlier version)
Discussed with: brooks (thanks!)
Differential Revision: https://reviews.freebsd.org/D24672
Notes:
svn path=/head/; revision=361466
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Reported by: cy
Notes:
svn path=/head/; revision=360955
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Unlike the other copy*() functions, it does not serve to copy from one
address space to another or protect against potential faults. It's just
an older incarnation of the now-more-common strlcpy().
Add a coccinelle script to tools/ which can be used to mechanically
convert existing instances where replacement with strlcpy is trivial.
In the two cases which matched, fuse_vfsops.c and union_vfsops.c, the
code was further refactored manually to simplify.
Replace the declaration of copystr() in systm.h with a small macro
wrapper around strlcpy.
Remove N redundant MI implementations of copystr. For MIPS, this
entailed inlining the assembler copystr into the only consumer,
copyinstr, and making the latter a leaf function.
Reviewed by: jhb
Differential Revision: https://reviews.freebsd.org/D24672
Notes:
svn path=/head/; revision=360944
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