Last change
on this file since 3824 was 3320, checked in by Bruno Cornec, 10 years ago |
- Re-add (thanks git BTW) the 2.2.9 branch which had been destroyed in
the move to 3.0
|
-
Property svn:eol-style
set to
native
|
File size:
1.0 KB
|
Rev | Line | |
---|
[3320] | 1 | /* vi: set sw=4 ts=4: */
|
---|
| 2 | /*
|
---|
| 3 | * parse_num.c - Parse the number of blocks
|
---|
| 4 | *
|
---|
| 5 | * Copyright (C) 2004,2005 Theodore Ts'o <tytso@mit.edu>
|
---|
| 6 | *
|
---|
| 7 | * This file can be redistributed under the terms of the GNU Library General
|
---|
| 8 | * Public License
|
---|
| 9 | */
|
---|
| 10 |
|
---|
| 11 | #include "e2p.h"
|
---|
| 12 |
|
---|
| 13 | #include <stdlib.h>
|
---|
| 14 |
|
---|
| 15 | unsigned long parse_num_blocks(const char *arg, int log_block_size)
|
---|
| 16 | {
|
---|
| 17 | char *p;
|
---|
| 18 | unsigned long long num;
|
---|
| 19 |
|
---|
| 20 | num = strtoull(arg, &p, 0);
|
---|
| 21 |
|
---|
| 22 | if (p[0] && p[1])
|
---|
| 23 | return 0;
|
---|
| 24 |
|
---|
| 25 | switch (*p) { /* Using fall-through logic */
|
---|
| 26 | case 'T': case 't':
|
---|
| 27 | num <<= 10;
|
---|
| 28 | case 'G': case 'g':
|
---|
| 29 | num <<= 10;
|
---|
| 30 | case 'M': case 'm':
|
---|
| 31 | num <<= 10;
|
---|
| 32 | case 'K': case 'k':
|
---|
| 33 | num >>= log_block_size;
|
---|
| 34 | break;
|
---|
| 35 | case 's':
|
---|
| 36 | num >>= 1;
|
---|
| 37 | break;
|
---|
| 38 | case '\0':
|
---|
| 39 | break;
|
---|
| 40 | default:
|
---|
| 41 | return 0;
|
---|
| 42 | }
|
---|
| 43 | return num;
|
---|
| 44 | }
|
---|
| 45 |
|
---|
| 46 | #ifdef DEBUG
|
---|
| 47 | #include <unistd.h>
|
---|
| 48 | #include <stdio.h>
|
---|
| 49 |
|
---|
| 50 | main(int argc, char **argv)
|
---|
| 51 | {
|
---|
| 52 | unsigned long num;
|
---|
| 53 | int log_block_size = 0;
|
---|
| 54 |
|
---|
| 55 | if (argc != 2) {
|
---|
| 56 | fprintf(stderr, "Usage: %s arg\n", argv[0]);
|
---|
| 57 | exit(1);
|
---|
| 58 | }
|
---|
| 59 |
|
---|
| 60 | num = parse_num_blocks(argv[1], log_block_size);
|
---|
| 61 |
|
---|
| 62 | printf("Parsed number: %lu\n", num);
|
---|
| 63 | exit(0);
|
---|
| 64 | }
|
---|
| 65 | #endif
|
---|
Note:
See
TracBrowser
for help on using the repository browser.