int main(int argc, char *argv[]) {
pager = getenv("PAGER");
if (pager == NULL)
pager = "less";
/* Set number of processes and pipes depending on if we should run grep */
args = (argc > 1) ? 1 : 0;
num_procs = 3 + args;
num_pipes = 2 + args;
pipes_init();
exec_proc(STDIN_FILENO, pipes[0][1], "printenv", argv);
if (args) {
exec_proc(pipes[0][0], pipes[args][1], "grep", argv);
}
exec_proc(pipes[args][0], pipes[1 + args][1], "sort", argv);
exec_proc(pipes[1 +args][0], STDOUT_FILENO, "less", argv);
close_all_fd();
wait_for_kids();
return 0;
}
static void init_all ()
{
/* Look and stare at poor man's exception handling! */
server_init();
if ( ! buffer_init()) {
server_final();
exit(EXIT_FAILURE);
}
pipes_init();
if ( ! sockets_init()) {
pipes_final();
buffer_final();
server_final();
exit(EXIT_FAILURE);
}
}
void sys_init(void) {
pipes_init();
timestamp_gen = malloc(sizeof(timestamp_gen_regs_t));
software_timestamp_count = 0;
}