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| author | Matt Kraai | 2001-05-21 17:01:32 +0000 |
|---|---|---|
| committer | Matt Kraai | 2001-05-21 17:01:32 +0000 |
| commit | 73991ff9255f8db5e1f7ff4f9b01016b00e8b9e6 (patch) | |
| tree | 0bc9429a467468d7548aecc44e9c232c61866580 | |
| parent | ada18ff0f53f1b61073a843959e97c0f4206576e (diff) | |
| download | busybox-73991ff9255f8db5e1f7ff4f9b01016b00e8b9e6.zip busybox-73991ff9255f8db5e1f7ff4f9b01016b00e8b9e6.tar.gz | |
Fix tell support.
| -rw-r--r-- | miscutils/mt.c | 15 | ||||
| -rw-r--r-- | mt.c | 15 |
2 files changed, 26 insertions, 4 deletions
diff --git a/miscutils/mt.c b/miscutils/mt.c index cd92627..da01eb2 100644 --- a/miscutils/mt.c +++ b/miscutils/mt.c @@ -55,6 +55,7 @@ extern int mt_main(int argc, char **argv) const char *file = "/dev/tape"; const struct mt_opcodes *code = opcodes; struct mtop op; + struct mtpos position; int fd, mode; if (argc < 2) { @@ -103,8 +104,18 @@ extern int mt_main(int argc, char **argv) if ((fd = open(file, mode, 0)) < 0) perror_msg_and_die("%s", file); - if (ioctl(fd, MTIOCTOP, &op) != 0) - perror_msg_and_die("%s", file); + switch (code->value) { + case MTTELL: + if (ioctl(fd, MTIOCPOS, &position) < 0) + perror_msg_and_die("%s", file); + printf ("At block %d.\n", (int) position.mt_blkno); + break; + + default: + if (ioctl(fd, MTIOCTOP, &op) != 0) + perror_msg_and_die("%s", file); + break; + } return EXIT_SUCCESS; } @@ -55,6 +55,7 @@ extern int mt_main(int argc, char **argv) const char *file = "/dev/tape"; const struct mt_opcodes *code = opcodes; struct mtop op; + struct mtpos position; int fd, mode; if (argc < 2) { @@ -103,8 +104,18 @@ extern int mt_main(int argc, char **argv) if ((fd = open(file, mode, 0)) < 0) perror_msg_and_die("%s", file); - if (ioctl(fd, MTIOCTOP, &op) != 0) - perror_msg_and_die("%s", file); + switch (code->value) { + case MTTELL: + if (ioctl(fd, MTIOCPOS, &position) < 0) + perror_msg_and_die("%s", file); + printf ("At block %d.\n", (int) position.mt_blkno); + break; + + default: + if (ioctl(fd, MTIOCTOP, &op) != 0) + perror_msg_and_die("%s", file); + break; + } return EXIT_SUCCESS; } |