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Replace sprintf()->snprintf() and strcpy()->strlcpy()

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The strcpy() and sprintf() functions are deprecated on some platforms.
Care is needed to ensure correct size is used.  If some platforms
miss snprintf, we can add a #define to sprintf, likewise strlcpy().

The biggest change is adding a size parameter to zfs_id_to_fuidstr().

The various *_impl_get() functions are only used on linux and have
not yet been updated.

Reviewed by: Sean Eric Fagan <sef@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Jorgen Lundman <lundman@lundman.net>
Closes #10400
This commit is contained in:
Jorgen Lundman
2020-06-08 03:42:12 +09:00
committed by GitHub
parent 60265072e0
commit c9e319faae
22 changed files with 79 additions and 60 deletions
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include/sys/zfs_fuid.h
+1 -1
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@@ -117,7 +117,7 @@ extern int zfs_fuid_find_by_domain(zfsvfs_t *, const char *domain,
extern const char *zfs_fuid_find_by_idx(zfsvfs_t *zfsvfs, uint32_t idx);
extern void zfs_fuid_txhold(zfsvfs_t *zfsvfs, dmu_tx_t *tx);
extern int zfs_id_to_fuidstr(zfsvfs_t *zfsvfs, const char *domain, uid_t rid,
char *buf, boolean_t addok);
char *buf, size_t len, boolean_t addok);
#endif
char *zfs_fuid_idx_domain(avl_tree_t *, uint32_t);