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samples/vfs: fix printf format string for size_t

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size_t needs a %z format string modifier instead of %l

samples/vfs/test-list-all-mounts.c:152:39: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
  152 |                                         printf("mnt_uidmap[%lu]:\t%s\n", idx, idmap);
      |                                                            ~~~           ^~~
      |                                                            %zu
samples/vfs/test-list-all-mounts.c:161:39: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
  161 |                                         printf("mnt_gidmap[%lu]:\t%s\n", idx, idmap);
      |                                                            ~~~           ^~~
      |                                                            %zu

Fixes: fa204a65f1 ("samples/vfs: add STATMOUNT_MNT_{G,U}IDMAP")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20250224141406.1400864-1-arnd@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Arnd Bergmann 2025-02-24 15:14:00 +01:00 • committed by Christian Brauner
parent 7a54947e72
commit 33cec19dc0
No known key found for this signature in database
GPG key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 2 deletions
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4
samples/vfs/test-list-all-mounts.c
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@ -149,7 +149,7 @@ next:
const char *idmap = stmnt->str + stmnt->mnt_uidmap;
for (size_t idx = 0; idx < stmnt->mnt_uidmap_num; idx++) {
printf("mnt_uidmap[%lu]:\t%s\n", idx, idmap);
printf("mnt_uidmap[%zu]:\t%s\n", idx, idmap);
idmap += strlen(idmap) + 1;
}
}
@ -158,7 +158,7 @@ next:
const char *idmap = stmnt->str + stmnt->mnt_gidmap;
for (size_t idx = 0; idx < stmnt->mnt_gidmap_num; idx++) {
printf("mnt_gidmap[%lu]:\t%s\n", idx, idmap);
printf("mnt_gidmap[%zu]:\t%s\n", idx, idmap);
idmap += strlen(idmap) + 1;
}
}