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cbe31dace5
header file usage before the 0.49 release. To fix it, I had to move the '#include "busybox.h"' to the end of the list of #include files. -Erik
97 lines
1.8 KiB
C
97 lines
1.8 KiB
C
/* vi: set sw=4 ts=4: */
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/mtio.h>
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#include <sys/fcntl.h>
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#include "busybox.h"
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struct mt_opcodes {
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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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{"rew", 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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extern 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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int fd;
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if (argc < 2) {
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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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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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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 = atoi(argv[2]);
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else
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op.mt_count = 1; /* One, not zero, right? */
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if ((fd = open(file, O_RDONLY, 0)) < 0)
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perror_msg_and_die("%s", file);
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if (ioctl(fd, MTIOCTOP, &op) != 0)
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perror_msg_and_die("%s", file);
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return EXIT_SUCCESS;
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}
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