Rename full_read to safe_read.

[chaz/tar] / src / rmt.c

diff --git a/src/rmt.c b/src/rmt.c
index 745120dd68906d0f89f5fdad17cd779949a60421..f5e036cd6ceddae21e80b1b58aa126b6c6ad3633 100644 (file)
--- a/src/rmt.c
+++ b/src/rmt.c
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
-   59 Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /* Copyright (C) 1983 Regents of the University of California.
    All rights reserved.
@@ -128,7 +128,7 @@ get_string (char *string)
 
   for (counter = 0; counter < STRING_SIZE; counter++)
     {
-      if (full_read (STDIN_FILENO, string + counter, 1) != 1)
+      if (safe_read (STDIN_FILENO, string + counter, 1) != 1)
        exit (EXIT_SUCCESS);
 
       if (string[counter] == '\n')
@@ -210,7 +210,7 @@ main (int argc, char *const *argv)
 top:
   errno = 0;                   /* FIXME: errno should be read-only */
   status = 0;
-  if (full_read (STDIN_FILENO, &command, 1) != 1)
+  if (safe_read (STDIN_FILENO, &command, 1) != 1)
     exit (EXIT_SUCCESS);
 
   switch (command)
@@ -254,6 +254,7 @@ top:
        char position_string[STRING_SIZE];
        off_t count = 0;
        int negative;
+       int whence;
        char *p;
 
        get_string (count_string);
@@ -288,7 +289,16 @@ top:
              }
          }
 
-       count = lseek (tape, count, atoi (position_string));
+       switch (atoi (position_string))
+         {
+         case 0: whence = SEEK_SET; break;
+         case 1: whence = SEEK_CUR; break;
+         case 2: whence = SEEK_END; break;
+         default:
+           report_error_message (N_("Seek direction out of range"));
+           exit (EXIT_FAILURE);
+         }
+       count = lseek (tape, count, whence);
        if (count < 0)
          goto ioerror;
 
@@ -320,8 +330,8 @@ top:
        prepare_record_buffer (size);
        for (counter = 0; counter < size; counter += status)
          {
-           status = full_read (STDIN_FILENO, &record_buffer[counter],
-                          size - counter);
+           status = safe_read (STDIN_FILENO, &record_buffer[counter],
+                               size - counter);
            if (status <= 0)
              {
                DEBUG (_("rmtd: Premature eof\n"));
@@ -346,7 +356,7 @@ top:
 
        size = atol (count_string);
        prepare_record_buffer (size);
-       status = full_read (tape, record_buffer, size);
+       status = safe_read (tape, record_buffer, size);
        if (status < 0)
          goto ioerror;
        sprintf (reply_buffer, "A%ld\n", status);