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Print dirents in print command

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Add support for printing dirent items to scoutfs print.  We're careful
to change non-printable characters to ".".

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2016-03-25 00:24:48 -04:00
parent e1c1c50ead
commit 339c719e4e
1 changed files with 20 additions and 0 deletions
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20
utils/src/print.c
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@@ -140,6 +140,23 @@ static void print_inode(struct scoutfs_inode *inode)
le32_to_cpu(inode->mtime.nsec));
}
static void print_dirent(struct scoutfs_dirent *dent, unsigned int val_len)
{
unsigned int name_len = val_len - sizeof(*dent);
char name[SCOUTFS_NAME_LEN + 1];
int i;
for (i = 0; i < min(SCOUTFS_NAME_LEN, name_len); i++)
name[i] = isprint(dent->name[i]) ? dent->name[i] : '.';
name[i] = '\0';
printf(" dirent:\n"
" ino: %llu\n"
" type: %u\n"
" name: \"%.*s\"\n",
le64_to_cpu(dent->ino), dent->type, i, name);
}
static void print_item(struct scoutfs_item *item, void *val)
{
printf(" item:\n"
@@ -159,6 +176,9 @@ static void print_item(struct scoutfs_item *item, void *val)
case SCOUTFS_INODE_KEY:
print_inode(val);
break;
case SCOUTFS_DIRENT_KEY:
print_dirent(val, le16_to_cpu(item->len));
break;
}
}