alex/bcachefs-tools
1
0
Fork 0
mirror of https://github.com/koverstreet/bcachefs-tools.git synced 2025-02-22 00:00:03 +03:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

super-show: Print label

Browse Source
This commit is contained in:
Gabriel 2013-07-05 23:59:21 +02:00
parent decab73814
commit 866e21a35d
3 changed files with 36 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Makefile
View File

@ -22,4 +22,5 @@ make-bcache: CFLAGS += `pkg-config --cflags uuid blkid`
make-bcache: bcache.o make-bcache: bcache.o
probe-bcache: LDLIBS += `pkg-config --libs uuid` probe-bcache: LDLIBS += `pkg-config --libs uuid`
bcache-super-show: LDLIBS += `pkg-config --libs uuid` bcache-super-show: LDLIBS += `pkg-config --libs uuid`
bcache-super-show: CFLAGS += -std=gnu99
bcache-super-show: bcache.o bcache-super-show: bcache.o

34
bcache-super-show.c
View File

@ -4,6 +4,7 @@
* GPLv2 * GPLv2
*/ */
#define _FILE_OFFSET_BITS 64 #define _FILE_OFFSET_BITS 64
#define __USE_FILE_OFFSET64 #define __USE_FILE_OFFSET64
#define _XOPEN_SOURCE 500 #define _XOPEN_SOURCE 500
@ -32,6 +33,29 @@ static void usage()
} }
static bool accepted_char(char c)
{
if ('0' <= c && c <= '9')
return true;
if ('A' <= c && c <= 'Z')
return true;
if ('a' <= c && c <= 'z')
return true;
if (strchr(".-_", c))
return true;
return false;
}
static void print_encode(char* in)
{
for (char* pos = in; *pos; pos++)
if (accepted_char(*pos))
putchar(*pos);
else
printf("%%%x", *pos);
}
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
bool force_csum = false; bool force_csum = false;
@ -123,6 +147,16 @@ int main(int argc, char **argv)
putchar('\n'); putchar('\n');
char label[SB_LABEL_SIZE + 1];
strncpy(label, (char*)sb.label, SB_LABEL_SIZE);
label[SB_LABEL_SIZE] = '\0';
printf("dev.label\t\t");
if (*label)
print_encode(label);
else
printf("(empty)");
putchar('\n');
uuid_unparse(sb.uuid, uuid); uuid_unparse(sb.uuid, uuid);
printf("dev.uuid\t\t%s\n", uuid); printf("dev.uuid\t\t%s\n", uuid);

2
bcache.h
View File

@ -115,7 +115,7 @@ BITMASK(BDEV_STATE, struct cache_sb, flags, 61, 2);
#define BDEV_STATE_DIRTY 2U #define BDEV_STATE_DIRTY 2U
#define BDEV_STATE_STALE 3U #define BDEV_STATE_STALE 3U
inline uint64_t crc64(const void *_data, size_t len); uint64_t crc64(const void *_data, size_t len);
#define node(i, j) ((void *) ((i)->d + (j))) #define node(i, j) ((void *) ((i)->d + (j)))
#define end(i) node(i, (i)->keys) #define end(i) node(i, (i)->keys)