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More documentation updates, and minor fixes to make things sync

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up with the docs.
 -Erik
This commit is contained in:
Erik Andersen
2000-04-15 16:34:54 +00:00
parent 95c1c1e05f
commit 5e1189e187
27 changed files with 968 additions and 238 deletions
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15
mt.c
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@ -4,7 +4,8 @@
#include <sys/mtio.h>
#include <sys/fcntl.h>
static const char mt_usage[] = "mt [-f device] opcode value\n";
static const char mt_usage[] = "mt [-f device] opcode value\n\n"
"Control magnetic tape drive operation\n";
struct mt_opcodes {
char *name;
@ -56,6 +57,10 @@ extern int mt_main(int argc, char **argv)
const struct mt_opcodes *code = opcodes;
struct mtop op;
int fd;
if ((argc != 2 && argc != 3) || **(argv + 1) == '-') {
usage(mt_usage);
}
if (strcmp(argv[1], "-f") == 0) {
if (argc < 4) {
@ -74,7 +79,7 @@ extern int mt_main(int argc, char **argv)
if (code->name == 0) {
fprintf(stderr, "mt: unrecognized opcode %s.\n", argv[1]);
return (FALSE);
exit (FALSE);
}
op.mt_op = code->value;
@ -85,13 +90,13 @@ extern int mt_main(int argc, char **argv)
if ((fd = open(file, O_RDONLY, 0)) < 0) {
perror(file);
return (FALSE);
exit (FALSE);
}
if (ioctl(fd, MTIOCTOP, &op) != 0) {
perror(file);
return (FALSE);
exit (FALSE);
}
return (TRUE);
exit (TRUE);
}