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| author | Denys Vlasenko | 2009-10-22 12:41:44 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2009-10-22 12:41:44 +0200 |
| commit | 46e364dbfebee49f65ffa92a66279df6a408e4f0 (patch) | |
| tree | e1292cf9d0803277b6ec9a9e9d13460dd4cef5db | |
| parent | 09bbb2892da80efac4451e46683f9361d59cefd5 (diff) | |
| download | busybox-46e364dbfebee49f65ffa92a66279df6a408e4f0.zip busybox-46e364dbfebee49f65ffa92a66279df6a408e4f0.tar.gz | |
mkfs_ext2: code shrink
function old new delta
mkfs_ext2_main 2505 2492 -13
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | util-linux/mkfs_ext2.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/util-linux/mkfs_ext2.c b/util-linux/mkfs_ext2.c index ea35e52..d89f946 100644 --- a/util-linux/mkfs_ext2.c +++ b/util-linux/mkfs_ext2.c @@ -201,7 +201,6 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv) uint32_t inode_table_blocks; uint32_t lost_and_found_blocks; time_t timestamp; - unsigned opts; const char *label = ""; struct stat st; struct ext2_super_block *sb; // superblock @@ -210,8 +209,10 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv) struct ext2_dir *dir; uint8_t *buf; + // using global "option_mask32" instead of local "opts": + // we are register starved here opt_complementary = "-1:b+:m+:i+"; - opts = getopt32(argv, "cl:b:f:i:I:J:G:N:m:o:g:L:M:O:r:E:T:U:jnqvFS", + /*opts =*/ getopt32(argv, "cl:b:f:i:I:J:G:N:m:o:g:L:M:O:r:E:T:U:jnqvFS", NULL, &bs, NULL, &bpi, &user_inodesize, NULL, NULL, NULL, &reserved_percent, NULL, NULL, &label, NULL, NULL, NULL, NULL, NULL, NULL); argv += optind; // argv[0] -- device @@ -219,7 +220,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv) // check the device is a block device xmove_fd(xopen(argv[0], O_WRONLY), fd); fstat(fd, &st); - if (!S_ISBLK(st.st_mode) && !(opts & OPT_F)) + if (!S_ISBLK(st.st_mode) && !(option_mask32 & OPT_F)) bb_error_msg_and_die("not a block device"); // check if it is mounted @@ -233,7 +234,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv) kilobytes = xatoull(argv[1]); // seek past end fails on block devices but works on files if (lseek(fd, kilobytes * 1024 - 1, SEEK_SET) != (off_t)-1) { - if (!(opts & OPT_n)) + if (!(option_mask32 & OPT_n)) xwrite(fd, "", 1); // file grows if needed } //else { @@ -248,7 +249,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv) bytes_per_inode = 4096; if (kilobytes < 3*1024) bytes_per_inode = 8192; - if (opts & OPT_i) + if (option_mask32 & OPT_i) bytes_per_inode = bpi; // Determine block size and inode size @@ -267,7 +268,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv) while ((kilobytes >> 22) >= blocksize) blocksize *= 2; } - if (opts & OPT_b) + if (option_mask32 & OPT_b) blocksize = bs; if (blocksize < EXT2_MIN_BLOCK_SIZE || blocksize > EXT2_MAX_BLOCK_SIZE @@ -276,7 +277,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv) bb_error_msg_and_die("blocksize %u is bad", blocksize); } // Do we have custom inode size? - if (opts & OPT_I) { + if (option_mask32 & OPT_I) { if (user_inodesize < sizeof(*inode) || user_inodesize > blocksize || (user_inodesize & (user_inodesize - 1)) // not power of 2 @@ -432,7 +433,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv) } bb_putchar('\n'); - if (opts & OPT_n) { + if (option_mask32 & OPT_n) { if (ENABLE_FEATURE_CLEAN_UP) close(fd); return EXIT_SUCCESS; |