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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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cmd/zpool/zpool_vdev.c
+9 -9
View File
@@ -380,7 +380,7 @@ make_leaf_vdev(nvlist_t *props, const char *arg, boolean_t is_primary)
* Override defaults if custom properties are provided.
*/
if (props != NULL) {
char *value = NULL;
const char *value = NULL;
if (nvlist_lookup_string(props,
zpool_prop_to_name(ZPOOL_PROP_ASHIFT), &value) == 0) {
@@ -435,7 +435,7 @@ make_leaf_vdev(nvlist_t *props, const char *arg, boolean_t is_primary)
* one general purpose vdev.
*/
typedef struct replication_level {
char *zprl_type;
const char *zprl_type;
uint64_t zprl_children;
uint64_t zprl_parity;
} replication_level_t;
@@ -489,7 +489,7 @@ get_replication(nvlist_t *nvroot, boolean_t fatal)
nvlist_t **child;
uint_t c, children;
nvlist_t *nv;
char *type;
const char *type;
replication_level_t lastrep = {0};
replication_level_t rep;
replication_level_t *ret;
@@ -567,10 +567,10 @@ get_replication(nvlist_t *nvroot, boolean_t fatal)
vdev_size = -1LL;
for (c = 0; c < children; c++) {
nvlist_t *cnv = child[c];
char *path;
const char *path;
struct stat64 statbuf;
int64_t size = -1LL;
char *childtype;
const char *childtype;
int fd, err;
rep.zprl_children++;
@@ -904,7 +904,7 @@ check_replication(nvlist_t *config, nvlist_t *newroot)
}
static int
zero_label(char *path)
zero_label(const char *path)
{
const int size = 4096;
char buf[size];
@@ -951,7 +951,7 @@ make_disks(zpool_handle_t *zhp, nvlist_t *nv)
{
nvlist_t **child;
uint_t c, children;
char *type, *path;
const char *type, *path;
char devpath[MAXPATHLEN];
char udevpath[MAXPATHLEN];
uint64_t wholedisk;
@@ -1110,7 +1110,7 @@ is_device_in_use(nvlist_t *config, nvlist_t *nv, boolean_t force,
{
nvlist_t **child;
uint_t c, children;
char *type, *path;
const char *type, *path;
int ret = 0;
char buf[MAXPATHLEN];
uint64_t wholedisk = B_FALSE;
@@ -1761,7 +1761,7 @@ split_mirror_vdev(zpool_handle_t *zhp, char *newname, nvlist_t *props,
verify(nvlist_lookup_nvlist_array(newroot,
ZPOOL_CONFIG_CHILDREN, &child, &children) == 0);
for (c = 0; c < children; c++) {
char *path;
const char *path;
const char *type;
int min, max;