Add suptime

Reorganise the Makefile
Add LICENSE
Change license in sign and timestamp to 0BSD

LICENSE

@@ -0,0 +1,13 @@
+Copyright (C) 2020 Dylan Lom <djl@dylanlom.com>
+
+Permission to use, copy, modify, and/or distribute this software for any purpose
+with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+THIS SOFTWARE.
+

Makefile

@@ -1,12 +1,17 @@
 all: djl-utils.deb
 
-timestamp: src/timestamp
-	cp src/timestamp dist/usr/bin
+dist: sign suptime timestamp
 
 sign: src/sign
 	cp src/sign dist/usr/bin
 
-djl-utils.deb: timestamp sign
+suptime: src/suptime.c
+	cc -o dist/usr/bin/suptime src/suptime.c
+
+timestamp: src/timestamp
+	cp src/timestamp dist/usr/bin
+
+djl-utils.deb: dist
 	dpkg-deb -b dist
 	mv dist.deb dist/djl-utils.deb
 
@@ -14,4 +19,4 @@ install: djl-utils.deb
 	dpkg -i dist/djl-utils.deb
 
 clean:
-	rm -f dist/usr/bin/* dist/djl-utils
+	rm -f dist/usr/bin/* dist/djl-utils.deb

src/sign

@@ -2,7 +2,20 @@
 #
 # sign: generate a signature
 # author: Dylan Lom <djl@dylanlom.com>
-# licence: cc0
+#
+# Copyright (C) 2020 Dylan Lom <djl@dylanlom.com>
+#
+# Permission to use, copy, modify, and/or distribute this software for any purpose
+# with or without fee is hereby granted.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+# FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+# THIS SOFTWARE.
+#
 
 printf -- "--\n"
 printf -- "$ %s@%s $ %s $\n" \

src/suptime.c

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 1980, 1991, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ * Copyright (c) 2020 Dylan Lom <djl@dylanlom.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define SECSPERMIN (time_t)60
+#define SECSPERHOUR (time_t)3600
+#define SECSPERDAY (time_t)86400
+
+int main(int argc, char *argv[]){
+	char mode;
+	int opt;
+	if (argc < 2){
+		mode='s';
+	} else {
+		while ((opt = getopt(argc, argv, "smHdh")) != -1) {
+			switch(opt){
+				case 's': mode='s'; break;
+				case 'm': mode='m'; break;
+				case 'H': mode='H'; break;
+				case 'd': mode='d'; break;
+				case 'h': printf("%s [-s|-m|-H|-d][-h]\n", argv[0]); exit(0); break;
+				default: fprintf(stderr, "%s [-s|-m|-H|-d][-h]\n", argv[0]); exit(1); break;
+			}
+		}
+	}
+
+
+	struct timespec boottime;
+	time_t uptime;
+	int mins, hrs, days;
+
+	if (clock_gettime(CLOCK_BOOTTIME, &boottime) != -1){
+		uptime = boottime.tv_sec;
+		if (uptime < 60)
+			uptime += 60;
+		mins = uptime / SECSPERMIN;
+		hrs = uptime / SECSPERHOUR;
+		days = uptime / SECSPERDAY;
+
+		switch(mode) {
+			case 's': printf("%d\n", (int)uptime); break;
+			case 'm': printf("%d\n", (int)mins); break;
+			case 'H': printf("%d\n", (int)hrs); break;
+			case 'd': printf("%d\n", (int)days); break;
+		}
+	}
+}

src/timestamp

@@ -2,6 +2,20 @@
 #
 # timestamp: print current date-timestamp
 # author: djl
+#
+# Copyright (C) 2020 Dylan Lom <djl@dylanlom.com>
+#
+# Permission to use, copy, modify, and/or distribute this software for any purpose
+# with or without fee is hereby granted.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+# FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+# THIS SOFTWARE.
+#
 # flags:
 #  -d    date only.
 #  -r    rfc3339 except it's missing the colon in offset /shrug.