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authormjacob <mjacob@FreeBSD.org>1998-12-18 02:02:20 +0000
committermjacob <mjacob@FreeBSD.org>1998-12-18 02:02:20 +0000
commit9007253495a3aa2a2dd2ddca81ff62b73c2dfe44 (patch)
tree6fde4252e0ee6ba5a58187469d64e3469687c899 /usr.bin
parent28aeb66d7eefd6bf857ec14d415e7e957f8d52d3 (diff)
downloadFreeBSD-src-9007253495a3aa2a2dd2ddca81ff62b73c2dfe44.zip
FreeBSD-src-9007253495a3aa2a2dd2ddca81ff62b73c2dfe44.tar.gz
1) Clarify that a weof count of zero is allowed (flush buffers).
2) Add in the set of {sethpos,setspos,rdhpos,rdspos) commands to implement the Hardware && SCSI Logical Block position ioctls.
Diffstat (limited to 'usr.bin')
-rw-r--r--usr.bin/mt/mt.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/usr.bin/mt/mt.c b/usr.bin/mt/mt.c
index 230ab1c..9d7e79c 100644
--- a/usr.bin/mt/mt.c
+++ b/usr.bin/mt/mt.c
@@ -42,7 +42,7 @@ static const char copyright[] =
static char sccsid[] = "@(#)mt.c 8.2 (Berkeley) 5/4/95";
#endif
static const char rcsid[] =
- "$Id: mt.c,v 1.15 1998/09/15 10:28:20 gibbs Exp $";
+ "$Id: mt.c,v 1.16 1998/10/03 10:58:54 dfr Exp $";
#endif /* not lint */
/*
@@ -101,7 +101,11 @@ struct commands {
{ "rewind", MTREW, 1 },
{ "rewoffl", MTOFFL, 1 },
{ "status", MTNOP, 1 },
+#if defined(__FreeBSD__)
+ { "weof", MTWEOF, 0, ZERO_ALLOWED },
+#else
{ "weof", MTWEOF, 0 },
+#endif
#if defined(__FreeBSD__)
{ "erase", MTERASE, 0, ZERO_ALLOWED},
{ "blocksize", MTSETBSIZ, 0, NEED_2ARGS|ZERO_ALLOWED },
@@ -110,6 +114,10 @@ struct commands {
{ "eod", MTEOD, 1 },
{ "comp", MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED|IS_COMP },
{ "retension", MTRETENS, 1 },
+ { "rdhpos", MTIOCRDHPOS, 0 },
+ { "rdspos", MTIOCRDSPOS, 0 },
+ { "sethpos", MTIOCHLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
+ { "setspos", MTIOCSLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
#endif /* defined(__FreeBSD__) */
{ NULL }
};
@@ -215,6 +223,27 @@ main(argc, argv)
}
else
mt_com.mt_count = 1;
+#if defined(__FreeBSD__)
+ switch (comp->c_code) {
+ case MTIOCRDHPOS:
+ case MTIOCRDSPOS:
+ if (ioctl(mtfd, comp->c_code, &mt_com.mt_count) < 0)
+ err(2, "%s", tape);
+ printf("%s: %s block location %u\n", tape,
+ (comp->c_code == MTIOCRDHPOS)? "hardware" :
+ "logical", (unsigned int) mt_com.mt_count);
+ exit (0);
+ /* NOTREACHED */
+ case MTIOCSLOCATE:
+ case MTIOCHLOCATE:
+ if (ioctl(mtfd, comp->c_code, &mt_com.mt_count) < 0)
+ err(2, "%s", tape);
+ exit (0);
+ /* NOTREACHED */
+ default:
+ break;
+ }
+#endif
if (ioctl(mtfd, MTIOCTOP, &mt_com) < 0)
err(1, "%s: %s", tape, comp->c_name);
} else {
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