give up on the EFBIG test

SCCS-vsn: lib/libc/db/recno/rec_open.c 5.21

diff --git a/usr/src/lib/libc/db/recno/rec_open.c b/usr/src/lib/libc/db/recno/rec_open.c
index 3569f41..9c9d7f2 100644 (file)
--- a/usr/src/lib/libc/db/recno/rec_open.c
+++ b/usr/src/lib/libc/db/recno/rec_open.c
@@ -9,7 +9,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)

-static char sccsid[] = "@(#)rec_open.c 5.20 (Berkeley) %G%";
+static char sccsid[] = "@(#)rec_open.c 5.21 (Berkeley) %G%";

 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>


@@ -120,22 +120,14 @@ slow:                     if ((t->bt_rfp = fdopen(rfd, "r")) == NULL)
                        if (fstat(rfd, &sb))
                                goto err;
                        /*
                        if (fstat(rfd, &sb))
                                goto err;
                        /*

-                        * Kludge -- but we don't know what size an off_t
-                        * is or what size a size_t is, although we do
-                        * know that the former is signed and the latter
-                        * unsigned.
+                        * Kluge -- we'd like to test to see if the file is too
+                        * big to mmap.  Since, we don't know what size or type
+                        * off_t's or size_t's are, what the largest unsigned
+                        * integral type is, or what random insanity the local
+                        * C compiler will perpetrate, doing the comparison in
+                        * a portable way is flatly impossible.  Hope that mmap
+                        * fails if the file is too large.

                         */
                         */

-                       if (sizeof(sb.st_size) > sizeof(size_t)) {
-                               if (sb.st_size > (off_t)SIZE_T_MAX) {
-                                       errno = EFBIG;
-                                       goto err;
-                               }
-                       } else {
-                               if ((size_t)sb.st_size > SIZE_T_MAX) {
-                                       errno = EFBIG;
-                                       goto err;
-                               }
-                       }

                        if (sb.st_size == 0)
                                SET(t, R_EOF);
                        else {
                        if (sb.st_size == 0)
                                SET(t, R_EOF);
                        else {