diff options
author | Eric Andersen <andersen@codepoet.org> | 1999-10-05 20:24:54 +0400 |
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committer | Eric Andersen <andersen@codepoet.org> | 1999-10-05 20:24:54 +0400 |
commit | cc8ed39b240180b58810784f844e253263594ac3 (patch) | |
tree | 15feebbb4be9a9168209609f48f0b100f9364420 /mt.c |
Initial revision0_29alpha2
Diffstat (limited to 'mt.c')
-rw-r--r-- | mt.c | 98 |
1 files changed, 98 insertions, 0 deletions
@@ -0,0 +1,98 @@ +#include "internal.h" +#include <stdio.h> +#include <sys/mtio.h> +#include <sys/fcntl.h> + +const char mt_usage[] = "mt [-f device] opcode value\n"; + +struct mt_opcodes { + char * name; + short value; +}; + +/* missing: eod/seod, stoptions, stwrthreshold, densities */ +static const struct mt_opcodes opcodes[] = { + { "bsf", MTBSF }, + { "bsfm", MTBSFM }, + { "bsr", MTBSR }, + { "bss", MTBSS }, + { "datacompression", MTCOMPRESSION }, + { "eom", MTEOM }, + { "erase", MTERASE }, + { "fsf", MTFSF }, + { "fsfm", MTFSFM }, + { "fsr", MTFSR }, + { "fss", MTFSS }, + { "load", MTLOAD }, + { "lock", MTLOCK }, + { "mkpart", MTMKPART }, + { "nop", MTNOP }, + { "offline",MTOFFL }, + { "rewoffline",MTOFFL }, + { "ras1", MTRAS1 }, + { "ras2", MTRAS2 }, + { "ras3", MTRAS3 }, + { "reset", MTRESET }, + { "retension", MTRETEN }, + { "rew", MTREW }, + { "seek", MTSEEK }, + { "setblk", MTSETBLK }, + { "setdensity", MTSETDENSITY }, + { "drvbuffer", MTSETDRVBUFFER }, + { "setpart", MTSETPART }, + { "tell", MTTELL }, + { "wset", MTWSM }, + { "unload", MTUNLOAD }, + { "unlock", MTUNLOCK }, + { "eof", MTWEOF }, + { "weof", MTWEOF }, + { 0, 0 } +}; + +extern int +mt_main(struct FileInfo * i, int argc, char * * argv) +{ + const char * file = "/dev/tape"; + const struct mt_opcodes * code = opcodes; + struct mtop op; + int fd; + + if ( strcmp(argv[1], "-f") == 0 ) { + if ( argc < 4 ) { + usage(mt_usage); + return 1; + } + file = argv[2]; + argv += 2; + argc -= 2; + } + + while ( code->name != 0 ) { + if ( strcmp(code->name, argv[1]) == 0 ) + break; + code++; + } + + if ( code->name == 0 ) { + fprintf(stderr, "mt: unrecognized opcode %s.\n", argv[1]); + return 1; + } + + op.mt_op = code->value; + if ( argc >= 3 ) + op.mt_count = atoi(argv[2]); + else + op.mt_count = 1; /* One, not zero, right? */ + + if ( (fd = open(file, O_RDONLY, 0)) < 0 ) { + name_and_error(file); + return 1; + } + + if ( ioctl(fd, MTIOCTOP, &op) != 0 ) { + name_and_error(file); + return 1; + } + + return 0; +} |