]> Dogcows Code - chaz/tar/commitdiff
(start_header): Removed debugging hook
authorSergey Poznyakoff <gray@gnu.org.ua>
Fri, 14 Nov 2003 09:27:50 +0000 (09:27 +0000)
committerSergey Poznyakoff <gray@gnu.org.ua>
Fri, 14 Nov 2003 09:27:50 +0000 (09:27 +0000)
(dump_file): Fixed handling of linkname field.

src/create.c

index b3e4d73e9d172fb7c1dd4fe71addaef359db181f..4a1f17a6d88dea599e2f9bb3c6fa0107480e807b 100644 (file)
@@ -588,8 +588,6 @@ start_header (const char *name, struct tar_stat_info *st)
   union block *header;
 
   name = safer_name_suffix (name, 0);
-  if (name[0] == '.' && name[1] == 0) /*FIXME!!!*/
-    return NULL;
   assign_string (&st->file_name, name);
 
   header = write_header_name (st);
@@ -1087,6 +1085,15 @@ compare_links (void const *entry1, void const *entry2)
   return ((link1->dev ^ link2->dev) | (link1->ino ^ link2->ino)) == 0;
 }
 
+/* Copy at most LEN bytes from SRC to DST. Terminate with NUL unless
+   SRC is LEN characters long */
+static void
+tar_copy_str (char *dst, const char *src, size_t len)
+{
+  dst[len-1] = 0;
+  strncpy (dst, src, len);
+}
+
 /* Table of all non-directories that we've written so far.  Any time
    we see another, we check the table and avoid dumping the data
    again if we've done it once already.  */
@@ -1358,17 +1365,15 @@ dump_file (char *p, int top_level, dev_t parent_device)
              
              block_ordinal = current_block_ordinal ();
              assign_string (&current_stat_info.link_name, link_name);
-             if (NAME_FIELD_SIZE <= strlen (link_name))
+             if (NAME_FIELD_SIZE < strlen (link_name))
                write_long_link (&current_stat_info);
 
              current_stat_info.stat.st_size = 0;
              header = start_header (p, &current_stat_info);
              if (!header)
                return;
-             strncpy (header->header.linkname, link_name, NAME_FIELD_SIZE);
-
-             /* Force null termination.  */
-             header->header.linkname[NAME_FIELD_SIZE - 1] = 0;
+             tar_copy_str (header->header.linkname, link_name,
+                           NAME_FIELD_SIZE);
 
              header->header.typeflag = LNKTYPE;
              finish_header (header, block_ordinal);
@@ -1699,7 +1704,7 @@ dump_file (char *p, int top_level, dev_t parent_device)
            }
          buffer[size] = '\0';
          assign_string (&current_stat_info.link_name, buffer);
-         if (size >= NAME_FIELD_SIZE)
+         if (size > NAME_FIELD_SIZE)
            write_long_link (&current_stat_info);
 
          block_ordinal = current_block_ordinal ();
@@ -1707,8 +1712,7 @@ dump_file (char *p, int top_level, dev_t parent_device)
          header = start_header (p, &current_stat_info);
          if (!header)
            return;
-         strncpy (header->header.linkname, buffer, NAME_FIELD_SIZE);
-         header->header.linkname[NAME_FIELD_SIZE - 1] = '\0';
+         tar_copy_str (header->header.linkname, buffer, NAME_FIELD_SIZE);
          header->header.typeflag = SYMTYPE;
          finish_header (header, block_ordinal);
          /* nothing more to do to it */
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