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nvpair: Constify string functions

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After addressing coverity complaints involving `nvpair_name()`, the
compiler started complaining about dropping const. This lead to a rabbit
hole where not only `nvpair_name()` needed to be constified, but also
`nvpair_value_string()`, `fnvpair_value_string()` and a few other static
functions, plus variable pointers throughout the code. The result became
a fairly big change, so it has been split out into its own patch.

Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #14612
This commit is contained in:
Richard Yao
2023-03-11 13:39:24 -05:00
committed by Brian Behlendorf
parent 50f6934b9c
commit d1807f168e
72 changed files with 442 additions and 402 deletions
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lib/libzfs_core/libzfs_core.abi
+9 -3
View File
@@ -1061,6 +1061,9 @@
<array-type-def dimensions='1' type-id='a84c031d' size-in-bits='65536' id='163f6aa5'>
<subrange length='8192' type-id='7359adad' id='c88f397d'/>
</array-type-def>
<array-type-def dimensions='1' type-id='a84c031d' size-in-bits='infinite' id='e84913bd'>
<subrange length='infinite' type-id='7359adad' id='031f2035'/>
</array-type-def>
<class-decl name='_IO_codecvt' is-struct='yes' visibility='default' is-declaration-only='yes' id='a4036571'/>
<class-decl name='_IO_marker' is-struct='yes' visibility='default' is-declaration-only='yes' id='010ae0b9'/>
<class-decl name='_IO_wide_data' is-struct='yes' visibility='default' is-declaration-only='yes' id='79bd3751'/>
@@ -1325,6 +1328,9 @@
<data-member access='public' layout-offset-in-bits='96'>
<var-decl name='nvp_type' type-id='8d0687d2' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='128'>
<var-decl name='nvp_name' type-id='e84913bd' visibility='default'/>
</data-member>
</class-decl>
<typedef-decl name='nvpair_t' type-id='1c34e459' id='57928edf'/>
<class-decl name='nvlist' size-in-bits='192' is-struct='yes' visibility='default' id='ac266fd9'>
@@ -2229,7 +2235,7 @@
</function-decl>
<function-decl name='nvpair_name' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='dace003f'/>
<return type-id='26a90f95'/>
<return type-id='80f4b756'/>
</function-decl>
<function-decl name='fnvlist_alloc' visibility='default' binding='global' size-in-bits='64'>
<return type-id='5ce45b60'/>
@@ -2317,9 +2323,9 @@
<return type-id='9c313c2d'/>
</function-decl>
<function-decl name='fnvlist_lookup_string' visibility='default' binding='global' size-in-bits='64'>
<parameter type-id='5ce45b60'/>
<parameter type-id='22cce67b'/>
<parameter type-id='80f4b756'/>
<return type-id='26a90f95'/>
<return type-id='80f4b756'/>
</function-decl>
<function-decl name='libspl_assertf' mangled-name='libspl_assertf' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='libspl_assertf'>
<parameter type-id='80f4b756'/>