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authorgreen <green@FreeBSD.org>1999-06-19 19:49:35 +0000
committergreen <green@FreeBSD.org>1999-06-19 19:49:35 +0000
commit90290405cf286aa3cad1ac14a252091d056f8001 (patch)
tree48c102bddfafea67547cedd3bec973c1e7ff91c9 /bin/dd/position.c
parent63ed685667d63c71e409de1ac005284dad01bf15 (diff)
downloadFreeBSD-src-90290405cf286aa3cad1ac14a252091d056f8001.zip
FreeBSD-src-90290405cf286aa3cad1ac14a252091d056f8001.tar.gz
Miscellaneous dd(1) changes: mainly fixing variable types (size_t, ssize_t,
off_t, int, u_int64_t, etc.). dd(1) should now work properly with REALLY big amounts of data.
Diffstat (limited to 'bin/dd/position.c')
-rw-r--r--bin/dd/position.c19
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);
/*
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