diff options
Diffstat (limited to 'bin/dd/position.c')
| -rw-r--r-- | bin/dd/position.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/bin/dd/position.c b/bin/dd/position.c index 03ffed2..00fd504 100644 --- a/bin/dd/position.c +++ b/bin/dd/position.c @@ -40,7 +40,7 @@ static char sccsid[] = "@(#)position.c 8.3 (Berkeley) 4/2/94"; #endif static const char rcsid[] = - "$Id: position.c,v 1.7 1998/05/06 06:51:42 charnier Exp $"; + "$Id: position.c,v 1.8 1998/05/13 07:33:54 charnier Exp $"; #endif /* not lint */ #include <sys/types.h> @@ -61,11 +61,14 @@ static const char rcsid[] = void pos_in() { - int bcnt, cnt, nr, warned; + size_t bcnt; + ssize_t nr; + off_t cnt; + int warned; /* If not a character, pipe or tape device, try to seek on it. */ if (!(in.flags & (ISCHR|ISPIPE|ISTAPE))) { - if (lseek(in.fd, (off_t)in.offset * in.dbsz, SEEK_CUR) == -1) + if (lseek(in.fd, in.offset * in.dbsz, SEEK_CUR) == -1) err(1, "%s", in.name); return; } @@ -116,7 +119,8 @@ void pos_out() { struct mtop t_op; - int cnt, n; + off_t cnt; + ssize_t n; /* * If not a tape, try seeking on the file. Seeking on a pipe is @@ -124,8 +128,7 @@ pos_out() * have specified the seek operand. */ if (!(out.flags & ISTAPE)) { - if (lseek(out.fd, - (off_t)out.offset * out.dbsz, SEEK_SET) == -1) + if (lseek(out.fd, out.offset * out.dbsz, SEEK_SET) == -1) err(1, "%s", out.name); return; } @@ -135,7 +138,7 @@ pos_out() t_op.mt_op = MTFSR; t_op.mt_count = out.offset; - if (ioctl(out.fd, MTIOCTOP, &t_op) < 0) + if (ioctl(out.fd, MTIOCTOP, &t_op) == -1) err(1, "%s", out.name); return; } @@ -145,7 +148,7 @@ pos_out() if ((n = read(out.fd, out.db, out.dbsz)) > 0) continue; - if (n < 0) + if (n == -1) err(1, "%s", out.name); /* |
