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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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module/zfs/dsl_scan.c
+1 -1
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@@ -360,7 +360,7 @@ scan_init(void)
for (int i = 0; i < SPA_DVAS_PER_BP; i++) {
char name[36];
(void) sprintf(name, "sio_cache_%d", i);
(void) snprintf(name, sizeof (name), "sio_cache_%d", i);
sio_cache[i] = kmem_cache_create(name,
(sizeof (scan_io_t) + ((i + 1) * sizeof (dva_t))),
0, NULL, NULL, NULL, NULL, NULL, 0);