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-rw-r--r--calb.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/calb.c b/calb.c
index b16f13e..469d28a 100644
--- a/calb.c
+++ b/calb.c
@@ -7,6 +7,7 @@
#define TRUE 1
#define FALSE !TRUE
+#define SECTOR_SIZE 512
typedef unsigned long long ull;
@@ -362,6 +363,7 @@ char *strtolower(char *buf)
int main(int argc, char **argv)
{
int opt = 0;
+ ulong sectorsize = SECTOR_SIZE;
opterr = 0;
@@ -370,6 +372,8 @@ int main(int argc, char **argv)
case 'c':
break;
case 's':
+ sectorsize = strtoul(optarg, NULL, 0);
+ printf("sectorsize: 0x%lx\n", sectorsize);
break;
default:
if (isprint (optopt))
@@ -386,7 +390,7 @@ int main(int argc, char **argv)
if (argc - optind == 2) {
int ret = 0;
int count = sizeof(units)/sizeof(*units);
- ull bytes = 0;
+ ull bytes = 0, lba = 0, offset = 0;
while (count-- > 0) {
ret = strcmp(units[count], strtolower(argv[optind + 1]));
@@ -434,9 +438,12 @@ int main(int argc, char **argv)
return 1;
}
- printf("\n\naddress: %llu, 0x%llx\n", bytes, bytes);
- printf("LBA:offset: %llu:%llu, 0x%llx:0x%llx\n",
- bytes >> 9, bytes % 512, bytes >> 9, bytes % 512);
+ printf("\n\naddress (dec): %llu\naddress (hex): 0x%llx\n\n", bytes, bytes);
+
+ lba = bytes / sectorsize;
+ offset = bytes % sectorsize;
+ printf("LBA:offset (dec): %llu:%llu\nLBA:offset (hex): 0x%llx:0x%llx\n",
+ lba, offset, lba, offset);
}
return 0;