diff options
Diffstat (limited to 'lib/e2p/parse_num.c')
| -rw-r--r-- | lib/e2p/parse_num.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/lib/e2p/parse_num.c b/lib/e2p/parse_num.c index d9ad3e74..e8d6283c 100644 --- a/lib/e2p/parse_num.c +++ b/lib/e2p/parse_num.c @@ -35,10 +35,16 @@ unsigned long long parse_num_blocks2(const char *arg, int log_block_size) num <<= 10; /* fallthrough */ case 'K': case 'k': - num >>= log_block_size; + if (log_block_size < 0) + num <<= 10; + else + num >>= log_block_size; break; case 's': - num >>= (1+log_block_size); + if (log_block_size < 0) + num <<= 9; + else + num >>= (1+log_block_size); break; case '\0': break; @@ -62,11 +68,21 @@ main(int argc, char **argv) unsigned long num; int log_block_size = 0; - if (argc != 2) { - fprintf(stderr, "Usage: %s arg\n", argv[0]); + if (argc != 2 && argc != 3) { + fprintf(stderr, "Usage: %s arg [log_block_size]\n", argv[0]); exit(1); } + if (argc == 3) { + char *p; + + log_block_size = strtol(argv[2], &p, 0); + if (*p) { + fprintf(stderr, "Bad log_block_size: %s\n", argv[2]); + exit(1); + } + } + num = parse_num_blocks(argv[1], log_block_size); printf("Parsed number: %lu\n", num); |