Minor changes

* src/Makefile.am: Install fileserv to sbin.
* src/fileserv.8: Update.
* src/fileserv.c: New option -V

3 files changed, 44 insertions, 20 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index d871c86..e943d6c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,4 +1,4 @@
-bin_PROGRAMS=fileserv
+sbin_PROGRAMS=fileserv
 fileserv_SOURCES=fileserv.c runas.c fileserv.h logger.c pidfile.c\
  wordsplit.c wordsplit.h catfile.c config.c idx.c defidx.h\
  mem.c remoteip.c icon.c dirls.c dirls.h lang.c httperr.c
diff --git a/src/fileserv.8 b/src/fileserv.8
index a0204a3..11129f0 100644
--- a/src/fileserv.8
+++ b/src/fileserv.8
@@ -13,7 +13,7 @@
 .\"
 .\" You should have received a copy of the GNU General Public License
 .\" along with fileserv.  If not, see <http://www.gnu.org/licenses/>.
-.TH FILESERV 8 "April 20, 2018" "FILESERV" "User Commands"
+.TH FILESERV 8 "April 21, 2018" "FILESERV" "User Commands"
 .SH NAME
 fileserv \- simple http server for static files
 .SH SYNOPSIS
@@ -84,6 +84,9 @@ This option overrides the \fBuser\fR configuration setting.
 .TP
 .B \-v
 Increase verbosity level. Multiple options accumulate.
+.TP
+.B \-V
+Show program version, license and copyright information.
 .SH CONFIGURATION FILE
 The server reads most of its settings from the configuration file
 \fB/etc/fileserv.conf\fR (the default location can be overridden using
diff --git a/src/fileserv.c b/src/fileserv.c
index fb9811d..58262c3 100644
--- a/src/fileserv.c
+++ b/src/fileserv.c
@@ -35,7 +35,7 @@
 #endif
 
 char const *progname;
-int verbose; /* reserved for future use */
+int verbose; /* increase diagnostic verbosity */
 char *address = DEFAULT_ADDRESS;
 char *forwarded_header = "X-Forwarded-For";
 char *index_css;
@@ -43,7 +43,40 @@ char *tmpdir;
 char *user;
 char *group;
 char *mime_types_file;
+
+void
+usage(void)
+{
+	printf("usage: %s [OPTIONS] [HOST:]URL:DIR...\n", progname);
+	printf("Simple HTTP server.\n");
+	printf("OPTIONS are:\n\n");
+        printf("  -a [IP]:PORT         listen on this IP and PORT\n");
+	printf("  -c FILE              read configuration from FILE\n");
+	printf("  -f                   remain in the foreground\n");
+        printf("  -g GROUP             run with this group privileges\n");
+	printf("  -h                   show this help summary\n");
+        printf("  -s                   don't start sentinel process\n");
+        printf("  -u USER              run with this user privileges\n");
+	printf("  -v                   increase verbosity\n");
+	printf("  -V                   show program version\n");
+	printf("\n");
+}
 
+const char version_copyright[] = "Copyright (C) 2017-2018 Sergey Poznyakoff";
+const char gplv3[] = "\
+License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n\
+This is free software: you are free to change and redistribute it.\n\
+There is NO WARRANTY, to the extent permitted by law.\
+";
+
+static void
+show_version(void)
+{
+	printf("%s\n", PACKAGE_STRING);
+	printf("%s\n", version_copyright);
+	printf("\n%s\n\n", gplv3);
+}
+
 static void
 fileserv_panic(void *cls, const char *file, unsigned int line,
 	     const char *reason)
@@ -84,22 +117,7 @@ errno_to_http_code(int ec)
 		return MHD_HTTP_FORBIDDEN;
 	}
 }
-
-void
-usage(void)
-{
-	printf("usage: %s [OPTIONS] [HOST:]URL:DIR...\n", progname);
-	printf("OPTIONS are:\n\n");
-        printf("  -a [IP]:PORT         listen on this IP and PORT\n");
-	printf("  -c FILE              read configuration from FILE\n");
-	printf("  -f                   remain in the foreground\n");
-        printf("  -g GROUP             run with this group privileges\n");
-	printf("  -h                   show this help summary\n");
-        printf("  -s                   don't start sentinel process\n");
-        printf("  -u USER              run with this user privileges\n");
-	printf("  -v                   increase verbosity\n");
-}
-
+
 int
 open_node(char const *node, char const *serv, struct sockaddr **saddr)
 {
@@ -781,7 +799,7 @@ main(int argc, char **argv)
 	if (!tmpdir)
 		tmpdir = "/tmp";
 	
-	while ((c = getopt(argc, argv, "a:c:fg:hsu:v")) != EOF) {
+	while ((c = getopt(argc, argv, "a:c:fg:hsu:vV")) != EOF) {
 		switch (c) {
 		case 'a':
 			opt_address = optarg;
@@ -807,6 +825,9 @@ main(int argc, char **argv)
 		case 'v':
 			verbose++;
 			break;
+		case 'V':
+			show_version();
+			exit(0);
 		default:
 			exit(1);
 		}