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btrfs-progs: simplify string separator checks in sprint_profiles 

We don't need an extra variable to track if there's already some output
in the buffer.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2020-05-04 15:05:31 +02:00
parent 512a45dad2
commit 297df4f01a
1 changed files with 2 additions and 4 deletions
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6
common/utils.c
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@ -1726,7 +1726,6 @@ static int bit_count(u64 x)
static char *sprint_profiles(u64 profiles)
{
int i;
bool first = true;
int maxlen = 1;
char *ptr;
@ -1744,13 +1743,12 @@ static char *sprint_profiles(u64 profiles)
if (!(btrfs_raid_array[i].bg_flag & profiles))
continue;
if (!first)
if (ptr[0])
strcat(ptr, ", ");
strcat(ptr, btrfs_raid_array[i].raid_name);
first = false;
}
if (profiles & BTRFS_AVAIL_ALLOC_BIT_SINGLE) {
if (!first)
if (ptr[0])
strcat(ptr, ", ");
strcat(ptr, btrfs_raid_array[BTRFS_RAID_SINGLE].raid_name);
}