[src/trunk]: src/usr.bin/grep add WITHOUT_GZIP for the tools build.

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

details:   https://anonhg.NetBSD.org/src/rev/b1f948739af9
branches:  trunk
changeset: 365315:b1f948739af9
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Aug 12 09:03:21 2018 +0000

description:
add WITHOUT_GZIP for the tools build.

diffstat:

 usr.bin/grep/Makefile |   4 +++-
 usr.bin/grep/file.c   |  23 ++++++++++++++++++-----
 usr.bin/grep/grep.c   |  10 ++++++++--
 usr.bin/grep/grep.h   |   4 +++-
 4 files changed, 32 insertions(+), 9 deletions(-)

diffs (174 lines):

diff -r 5c52e9cc4eae -r b1f948739af9 usr.bin/grep/Makefile
--- a/usr.bin/grep/Makefile     Sun Aug 12 09:02:02 2018 +0000
+++ b/usr.bin/grep/Makefile     Sun Aug 12 09:03:21 2018 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.9 2018/08/12 08:00:32 christos Exp $
+#      $NetBSD: Makefile,v 1.10 2018/08/12 09:03:21 christos Exp $
 #      $FreeBSD: head/usr.bin/grep/Makefile 210389 2010-07-22 19:11:57Z gabor $
 #      $OpenBSD: Makefile,v 1.6 2003/06/25 15:00:04 millert Exp $
 
@@ -17,8 +17,10 @@
        grep.1 zegrep.1 \
        grep.1 zfgrep.1
 
+.if empty(HOST_CPPFLAGS:M*-DWITHOUT_GZIP*)
 LDADD+=        -lz
 DPADD+=        ${LIBZ}
+.endif
 
 .if empty(HOST_CPPFLAGS:M*-DWITHOUT_BZ2*)
 LDADD+=        -lbz2
diff -r 5c52e9cc4eae -r b1f948739af9 usr.bin/grep/file.c
--- a/usr.bin/grep/file.c       Sun Aug 12 09:02:02 2018 +0000
+++ b/usr.bin/grep/file.c       Sun Aug 12 09:03:21 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: file.c,v 1.9 2018/08/12 07:53:19 christos Exp $        */
+/*     $NetBSD: file.c,v 1.10 2018/08/12 09:03:21 christos Exp $       */
 /*     $FreeBSD: head/usr.bin/grep/file.c 211496 2010-08-19 09:28:59Z des $    */
 /*     $OpenBSD: file.c,v 1.11 2010/07/02 20:48:48 nicm Exp $  */
 
@@ -35,7 +35,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: file.c,v 1.9 2018/08/12 07:53:19 christos Exp $");
+__RCSID("$NetBSD: file.c,v 1.10 2018/08/12 09:03:21 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -56,7 +56,9 @@
 #define        MAXBUFSIZ       (32 * 1024)
 #define        LNBUFBUMP       80
 
+#ifndef WITHOUT_GZIP
 static gzFile gzbufdesc;
+#endif
 #ifndef WITHOUT_BZ2
 static BZFILE* bzbufdesc;
 #endif
@@ -71,16 +73,21 @@
 static inline int
 grep_refill(struct file *f)
 {
-       ssize_t nr;
+       ssize_t nr = -1;
        int bzerr;
 
        bufpos = buffer;
        bufrem = 0;
 
+#ifndef WITHOUT_GZIP
        if (filebehave == FILE_GZIP) {
                nr = gzread(gzbufdesc, buffer, MAXBUFSIZ);
+               if (nr == -1)
+                       return -1;
+       }
+#endif
 #ifndef WITHOUT_BZ2
-       } else if (filebehave == FILE_BZIP && bzbufdesc != NULL) {
+       if (filebehave == FILE_BZIP && bzbufdesc != NULL) {
                nr = BZ2_bzRead(&bzerr, bzbufdesc, buffer, MAXBUFSIZ);
                switch (bzerr) {
                case BZ_OK:
@@ -106,9 +113,13 @@
                        /* Make sure we exit with an error */
                        nr = -1;
                }
+               if (nr == -1)
+                       return -1;
+       }
 #endif
-       } else
+       if (nr == -1) {
                nr = read(f->fd, buffer, MAXBUFSIZ);
+       }
 
        if (nr < 0)
                return (-1);
@@ -196,9 +207,11 @@
 grep_file_init(struct file *f)
 {
 
+#ifndef WITHOUT_GZIP
        if (filebehave == FILE_GZIP &&
            (gzbufdesc = gzdopen(f->fd, "r")) == NULL)
                goto error;
+#endif
 
 #ifndef WITHOUT_BZ2
        if (filebehave == FILE_BZIP &&
diff -r 5c52e9cc4eae -r b1f948739af9 usr.bin/grep/grep.c
--- a/usr.bin/grep/grep.c       Sun Aug 12 09:02:02 2018 +0000
+++ b/usr.bin/grep/grep.c       Sun Aug 12 09:03:21 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: grep.c,v 1.14 2018/08/12 07:53:19 christos Exp $       */
+/*     $NetBSD: grep.c,v 1.15 2018/08/12 09:03:21 christos Exp $       */
 /*     $FreeBSD: head/usr.bin/grep/grep.c 211519 2010-08-19 22:55:17Z delphij $        */
 /*     $OpenBSD: grep.c,v 1.42 2010/07/02 22:18:03 tedu Exp $  */
 
@@ -34,7 +34,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: grep.c,v 1.14 2018/08/12 07:53:19 christos Exp $");
+__RCSID("$NetBSD: grep.c,v 1.15 2018/08/12 09:03:21 christos Exp $");
 
 #include <sys/stat.h>
 #include <sys/types.h>
@@ -170,7 +170,9 @@
 struct option long_options[] =
 {
        {"binary-files",        required_argument,      NULL, BIN_OPT},
+#ifndef WITHOUT_GZIP
        {"decompress",          no_argument,            NULL, DECOMPRESS_OPT},
+#endif
        {"help",                no_argument,            NULL, HELP_OPT},
        {"mmap",                no_argument,            NULL, MMAP_OPT},
        {"line-buffered",       no_argument,            NULL, LINEBUF_OPT},
@@ -340,6 +342,7 @@
        case 'g':
                grepbehave = GREP_BASIC;
                break;
+#ifndef WITHOUT_GZIP
        case 'z':
                filebehave = FILE_GZIP;
                switch(__progname[1]) {
@@ -354,6 +357,7 @@
                        break;
                }
                break;
+#endif
        }
 
        lastc = '\0';
@@ -600,9 +604,11 @@
                            strcasecmp("no", optarg) != 0)
                                errx(2, getstr(3), "--color");
                        break;
+#ifndef WITHOUT_GZIP
                case DECOMPRESS_OPT:
                        filebehave = FILE_GZIP;
                        break;
+#endif
                case LABEL_OPT:
                        label = optarg;
                        break;
diff -r 5c52e9cc4eae -r b1f948739af9 usr.bin/grep/grep.h
--- a/usr.bin/grep/grep.h       Sun Aug 12 09:02:02 2018 +0000
+++ b/usr.bin/grep/grep.h       Sun Aug 12 09:03:21 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: grep.h,v 1.9 2018/08/12 07:53:19 christos Exp $        */
+/*     $NetBSD: grep.h,v 1.10 2018/08/12 09:03:21 christos Exp $       */
 /*     $OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $  */
 /*     $FreeBSD: head/usr.bin/grep/grep.h 211496 2010-08-19 09:28:59Z des $    */
 
@@ -36,7 +36,9 @@
 #include <regex.h>
 #include <stdbool.h>
 #include <stdio.h>
+#ifndef WITHOUT_GZIP
 #include <zlib.h>
+#endif
 
 #ifdef WITHOUT_NLS
 #define getstr(n)       errstr[n]