[src/trunk]: src/usr.bin/make make: in loadfile, use simpler magic numbers

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/400675c82b57
branches:  trunk
changeset: 359495:400675c82b57
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Jan 07 21:04:50 2022 +0000

description:
make: in loadfile, use simpler magic numbers

No functional change.

diffstat:

 usr.bin/make/parse.c |  9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diffs (35 lines):

diff -r 6659b47df1d1 -r 400675c82b57 usr.bin/make/parse.c
--- a/usr.bin/make/parse.c      Fri Jan 07 21:00:49 2022 +0000
+++ b/usr.bin/make/parse.c      Fri Jan 07 21:04:50 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: parse.c,v 1.633 2022/01/07 21:00:49 rillig Exp $       */
+/*     $NetBSD: parse.c,v 1.634 2022/01/07 21:04:50 rillig Exp $       */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -106,7 +106,7 @@
 #include "pathnames.h"
 
 /*     "@(#)parse.c    8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: parse.c,v 1.633 2022/01/07 21:00:49 rillig Exp $");
+MAKE_RCSID("$NetBSD: parse.c,v 1.634 2022/01/07 21:04:50 rillig Exp $");
 
 /*
  * A file being read.
@@ -305,14 +305,13 @@
        struct stat st;
 
        bufSize = fstat(fd, &st) == 0 && S_ISREG(st.st_mode) &&
-                 st.st_size >= 1 && st.st_size <= 0x3fffffff
+                 st.st_size > 0 && st.st_size < 1024 * 1024 * 1024
            ? (size_t)st.st_size : 1024;
        Buf_InitSize(&buf, bufSize);
 
        for (;;) {
                if (buf.len == buf.cap) {
-                       if (buf.cap > 0x1fffffff) {
-                               errno = EFBIG;
+                       if (buf.cap >= 512 * 1024 * 1024) {
                                Error("%s: file too large", path);
                                exit(2); /* Not 1 so -q can distinguish error */
                        }