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
120 lines
2.2 KiB
C
120 lines
2.2 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#include <sys/mtio.h>
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struct mt_opcodes {
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const char *name;
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short value;
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};
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/* missing: eod/seod, stoptions, stwrthreshold, densities */
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static const struct mt_opcodes opcodes[] = {
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{"bsf", MTBSF},
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{"bsfm", MTBSFM},
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{"bsr", MTBSR},
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{"bss", MTBSS},
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{"datacompression", MTCOMPRESSION},
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{"eom", MTEOM},
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{"erase", MTERASE},
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{"fsf", MTFSF},
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{"fsfm", MTFSFM},
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{"fsr", MTFSR},
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{"fss", MTFSS},
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{"load", MTLOAD},
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{"lock", MTLOCK},
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{"mkpart", MTMKPART},
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{"nop", MTNOP},
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{"offline", MTOFFL},
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{"rewoffline", MTOFFL},
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{"ras1", MTRAS1},
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{"ras2", MTRAS2},
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{"ras3", MTRAS3},
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{"reset", MTRESET},
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{"retension", MTRETEN},
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{"rewind", MTREW},
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{"seek", MTSEEK},
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{"setblk", MTSETBLK},
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{"setdensity", MTSETDENSITY},
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{"drvbuffer", MTSETDRVBUFFER},
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{"setpart", MTSETPART},
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{"tell", MTTELL},
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{"wset", MTWSM},
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{"unload", MTUNLOAD},
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{"unlock", MTUNLOCK},
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{"eof", MTWEOF},
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{"weof", MTWEOF},
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{0, 0}
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};
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int mt_main(int argc, char **argv);
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int mt_main(int argc, char **argv)
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{
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const char *file = "/dev/tape";
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const struct mt_opcodes *code = opcodes;
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struct mtop op;
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struct mtpos position;
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int fd, mode;
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if (argc < 2) {
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bb_show_usage();
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}
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if (strcmp(argv[1], "-f") == 0) {
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if (argc < 4) {
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bb_show_usage();
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}
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file = argv[2];
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argv += 2;
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argc -= 2;
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}
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while (code->name != 0) {
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if (strcmp(code->name, argv[1]) == 0)
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break;
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code++;
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}
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if (code->name == 0) {
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bb_error_msg("unrecognized opcode %s", argv[1]);
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return EXIT_FAILURE;
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}
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op.mt_op = code->value;
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if (argc >= 3)
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op.mt_count = xatoi_u(argv[2]);
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else
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op.mt_count = 1; /* One, not zero, right? */
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switch (code->value) {
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case MTWEOF:
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case MTERASE:
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case MTWSM:
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case MTSETDRVBUFFER:
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mode = O_WRONLY;
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break;
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default:
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mode = O_RDONLY;
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break;
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}
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fd = xopen(file, mode);
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switch (code->value) {
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case MTTELL:
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ioctl_or_perror_and_die(fd, MTIOCPOS, &position, "%s", file);
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printf("At block %d.\n", (int) position.mt_blkno);
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break;
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default:
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ioctl_or_perror_and_die(fd, MTIOCTOP, &op, "%s", file);
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break;
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}
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return EXIT_SUCCESS;
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}
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