fb79a2e2cf
function old new delta do_iptunnel 203 977 +774 process_dev 5328 5494 +166 ioctl_or_perror - 54 +54 ioctl_or_perror_and_die - 51 +51 ioctl_alt_func - 49 +49 bb_ioctl_or_warn - 47 +47 do_add_ioctl 102 145 +43 bb_xioctl - 39 +39 print_value_on_off - 31 +31 get_lcm 105 123 +18 arp_main 2155 2167 +12 .................. zcip_main 1576 1566 -10 setlogcons_main 92 82 -10 dumpkmap_main 263 253 -10 do_get_ioctl 85 75 -10 setkeycodes_main 165 154 -11 write_table 244 232 -12 vconfig_main 318 306 -12 do_del_ioctl 93 81 -12 set_address 75 62 -13 maybe_set_utc 30 16 -14 loadfont_main 495 479 -16 slattach_main 712 695 -17 do_loadfont 191 174 -17 do_iplink 1155 1136 -19 getty_main 2583 2562 -21 fbset_main 2058 2035 -23 do_time 588 565 -23 xioctl 25 - -25 read_rtc 186 160 -26 parse_conf 1299 1270 -29 udhcp_read_interface 269 239 -30 bb_ioctl 45 - -45 bb_ioctl_alt 70 - -70 bb_ioctl_on_off 78 - -78 .rodata 129370 129018 -352 do_show 799 - -799 ------------------------------------------------------------------------------ (add/remove: 6/5 grow/shrink: 13/49 up/down: 1316/-1864) Total: -548 bytes text data bss dec hex filename 675352 2740 13968 692060 a8f5c busybox_old 674804 2740 13968 691512 a8d38 busybox_unstripped
138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
/* vi: set sw=4 ts=4: */
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/* fdformat.c - Low-level formats a floppy disk - Werner Almesberger */
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/* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
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* - added Native Language Support
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* 1999-03-20 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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* - more i18n/nls translatable strings marked
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*
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* 5 July 2003 -- modified for Busybox by Erik Andersen
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*/
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#include "libbb.h"
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/* Stuff extracted from linux/fd.h */
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struct floppy_struct {
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unsigned int size, /* nr of sectors total */
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sect, /* sectors per track */
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head, /* nr of heads */
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track, /* nr of tracks */
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stretch; /* !=0 means double track steps */
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#define FD_STRETCH 1
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#define FD_SWAPSIDES 2
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unsigned char gap, /* gap1 size */
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rate, /* data rate. |= 0x40 for perpendicular */
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#define FD_2M 0x4
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#define FD_SIZECODEMASK 0x38
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#define FD_SIZECODE(floppy) (((((floppy)->rate&FD_SIZECODEMASK)>> 3)+ 2) %8)
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#define FD_SECTSIZE(floppy) ( (floppy)->rate & FD_2M ? \
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512 : 128 << FD_SIZECODE(floppy) )
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#define FD_PERP 0x40
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spec1, /* stepping rate, head unload time */
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fmt_gap; /* gap2 size */
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const char * name; /* used only for predefined formats */
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};
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struct format_descr {
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unsigned int device,head,track;
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};
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#define FDFMTBEG _IO(2,0x47)
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#define FDFMTTRK _IOW(2,0x48, struct format_descr)
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#define FDFMTEND _IO(2,0x49)
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#define FDGETPRM _IOR(2, 0x04, struct floppy_struct)
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#define FD_FILL_BYTE 0xF6 /* format fill byte. */
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int fdformat_main(int argc,char **argv);
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int fdformat_main(int argc,char **argv)
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{
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int fd, n, cyl, read_bytes, verify;
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unsigned char *data;
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struct stat st;
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struct floppy_struct param;
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struct format_descr descr;
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if (argc < 2) {
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bb_show_usage();
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}
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verify = !getopt32(argc, argv, "n");
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argv += optind;
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xstat(*argv, &st);
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if (!S_ISBLK(st.st_mode)) {
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bb_error_msg_and_die("%s: not a block device", *argv);
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/* do not test major - perhaps this was an USB floppy */
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}
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/* O_RDWR for formatting and verifying */
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fd = xopen(*argv, O_RDWR);
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/* original message was: "Could not determine current format type" */
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xioctl(fd, FDGETPRM, ¶m);
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printf("%s-sided, %d tracks, %d sec/track. Total capacity %d kB\n",
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(param.head == 2) ? "Double" : "Single",
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param.track, param.sect, param.size >> 1);
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/* FORMAT */
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printf("Formatting... ");
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xioctl(fd, FDFMTBEG, NULL);
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/* n == track */
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for (n = 0; n < param.track; n++) {
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descr.head = 0;
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descr.track = n;
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xioctl(fd, FDFMTTRK, &descr);
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printf("%3d\b\b\b", n);
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if (param.head == 2) {
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descr.head = 1;
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xioctl(fd, FDFMTTRK, &descr);
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}
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}
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xioctl(fd, FDFMTEND, NULL);
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printf("done\n");
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/* VERIFY */
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if (verify) {
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/* n == cyl_size */
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n = param.sect*param.head*512;
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data = xmalloc(n);
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printf("Verifying... ");
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for (cyl = 0; cyl < param.track; cyl++) {
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printf("%3d\b\b\b", cyl);
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read_bytes = safe_read(fd, data, n);
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if (read_bytes != n) {
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if (read_bytes < 0) {
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bb_perror_msg(bb_msg_read_error);
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}
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bb_error_msg_and_die("problem reading cylinder %d, "
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"expected %d, read %d", cyl, n, read_bytes);
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// FIXME: maybe better seek & continue??
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}
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/* Check backwards so we don't need a counter */
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while (--read_bytes >= 0) {
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if (data[read_bytes] != FD_FILL_BYTE) {
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printf("bad data in cyl %d\nContinuing... ",cyl);
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}
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}
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}
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/* There is no point in freeing blocks at the end of a program, because
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all of the program's space is given back to the system when the process
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terminates.*/
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if (ENABLE_FEATURE_CLEAN_UP) free(data);
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printf("done\n");
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}
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if (ENABLE_FEATURE_CLEAN_UP) close(fd);
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/* Don't bother closing. Exit does
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* that, so we can save a few bytes */
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return EXIT_SUCCESS;
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}
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