[src/trunk]: src/usr.bin/make make(1): make ArchFindMember ready for WARNS=6

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

details:   https://anonhg.NetBSD.org/src/rev/91c0b5542502
branches:  trunk
changeset: 943021:91c0b5542502
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Aug 23 18:59:01 2020 +0000

description:
make(1): make ArchFindMember ready for WARNS=6

diffstat:

 usr.bin/make/arch.c |  16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diffs (62 lines):

diff -r 5da3c66c83fc -r 91c0b5542502 usr.bin/make/arch.c
--- a/usr.bin/make/arch.c       Sun Aug 23 18:57:32 2020 +0000
+++ b/usr.bin/make/arch.c       Sun Aug 23 18:59:01 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: arch.c,v 1.95 2020/08/23 18:57:32 rillig Exp $ */
+/*     $NetBSD: arch.c,v 1.96 2020/08/23 18:59:01 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: arch.c,v 1.95 2020/08/23 18:57:32 rillig Exp $";
+static char rcsid[] = "$NetBSD: arch.c,v 1.96 2020/08/23 18:59:01 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)arch.c     8.2 (Berkeley) 1/2/94";
 #else
-__RCSID("$NetBSD: arch.c,v 1.95 2020/08/23 18:57:32 rillig Exp $");
+__RCSID("$NetBSD: arch.c,v 1.96 2020/08/23 18:59:01 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -912,7 +912,7 @@
                 * the file at the actual member, rather than its header, but
                 * not here...
                 */
-               if (fseek(arch, -sizeof(struct ar_hdr), SEEK_CUR) != 0) {
+               if (fseek(arch, -(long)sizeof(struct ar_hdr), SEEK_CUR) != 0) {
                    fclose(arch);
                    return NULL;
                }
@@ -928,14 +928,14 @@
                                        sizeof(AR_EFMT1) - 1) == 0 &&
                isdigit((unsigned char)arhPtr->ar_name[sizeof(AR_EFMT1) - 1])) {
 
-               unsigned int elen = atoi(&arhPtr->ar_name[sizeof(AR_EFMT1)-1]);
+               int elen = atoi(&arhPtr->ar_name[sizeof(AR_EFMT1)-1]);
                char ename[MAXPATHLEN + 1];
 
-               if (elen > MAXPATHLEN) {
+               if ((unsigned int)elen > MAXPATHLEN) {
                        fclose(arch);
                        return NULL;
                }
-               if (fread(ename, elen, 1, arch) != 1) {
+               if (fread(ename, (size_t)elen, 1, arch) != 1) {
                        fclose(arch);
                        return NULL;
                }
@@ -945,7 +945,7 @@
                }
                if (strncmp(ename, member, len) == 0) {
                        /* Found as extended name */
-                       if (fseek(arch, -sizeof(struct ar_hdr) - elen,
+                       if (fseek(arch, -(long)sizeof(struct ar_hdr) - elen,
                                SEEK_CUR) != 0) {
                            fclose(arch);
                            return NULL;