env-daemon

env.c

#include <stdio.h>
#include <syslog.h>

int main(int argc, char **argv, char **envp)
{
	char **env;

	openlog("env-daemon", LOG_CONS | LOG_PID | LOG_NDELAY, LOG_ALERT);
	syslog(LOG_INFO, "starting env-daemon\n");

	for (env = envp; *env != 0; env++) {
		char *thisEnv = *env;
		syslog(LOG_INFO, "%s\n", thisEnv);
	}
	closelog();

	while (1) {
		;;
	}
	return (0);
}

Makefile

all:
	gcc env.c -o env

install:
	install env $(DESTDIR)

clean:
	rm -f env

snapcraft.yaml

name: env-daemon
version: 0
summary: env-daemon
description: env-daemon
confinement: strict
grade: stable

apps:
    env-daemon:
        command: env
        daemon: simple
parts:
    env-daemon:
        plugin: make
        source: .