diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-02-03 11:53:28 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-02-03 11:53:28 +0000 |
| commit | 54b37d2145bab4dd16bb1058a36066f669f96282 (patch) | |
| tree | 2c7d08ab2d686fbaa9cf02f2b9b5806494bdea30 /sbin/dump/main.c | |
| parent | b031406a582bbde0d3a1c00cfb87f6e13729a65d (diff) | |
new -a option autosizes, meaning it runs till it hits EOM (no need for
pesky sizing options) -- from FreeBSD.
also make -b option aware of MAXPHYS issues (via a little hack)
Diffstat (limited to 'sbin/dump/main.c')
| -rw-r--r-- | sbin/dump/main.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/sbin/dump/main.c b/sbin/dump/main.c index 7975d557052..04ca7018e3a 100644 --- a/sbin/dump/main.c +++ b/sbin/dump/main.c @@ -1,4 +1,4 @@ -/* $OpenBSD: main.c,v 1.11 1996/12/16 17:11:32 deraadt Exp $ */ +/* $OpenBSD: main.c,v 1.12 1997/02/03 11:53:25 deraadt Exp $ */ /* $NetBSD: main.c,v 1.8 1996/03/15 22:39:32 scottr Exp $ */ /*- @@ -94,6 +94,8 @@ static long numarg __P((char *, long, long)); static void obsolete __P((int *, char **[])); static void usage __P((void)); +extern int maxbsize; + int main(argc, argv) int argc; @@ -138,6 +140,11 @@ main(argc, argv) case 'b': /* blocks per tape write */ ntrec = numarg("blocks per write", 1L, 1000L); + if (ntrec > maxbsize/1024) { + msg("Please choose a blocksize <= %dKB\n", + maxbsize/1024); + exit(X_ABORT); + } break; case 'c': /* Tape is cart. not 9-track */ @@ -186,6 +193,10 @@ main(argc, argv) lastdump(ch); exit(0); /* do nothing else */ + case 'a': /* `auto-size', Write to EOM. */ + unlimited = 1; + break; + default: usage(); } @@ -217,7 +228,7 @@ main(argc, argv) if (blocksperfile) blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ - else { + else if (!unlimited) { /* * Determine how to default tape size and density * @@ -334,7 +345,7 @@ main(argc, argv) anydirskipped = mapdirs(maxino, &tapesize); } - if (pipeout) { + if (pipeout || unlimited) { tapesize += 10; /* 10 trailer blocks */ msg("estimated %ld tape blocks.\n", tapesize); } else { |