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#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <curses.h>
#include <term.h>
#include <signal.h>
#include <sys/stat.h>
#include <sys/time.h>
void
cleanup()
{
putp(from_status_line);
putp(dis_status_line);
exit(0);
}
void
main(int argc, char *argv[])
{
char *term, *mail, *p, *buff;
time_t interval=10000000;
time_t old_mtime=0;
int n, update=1;
struct stat st;
if ((term = getenv("TERM")) == NULL
|| (mail = getenv("MAIL")) == NULL) exit(1);
setupterm(term, 1, &n);
if (n != 1) exit(1);
if (!has_status_line) exit(1);
if ((buff = calloc(columns + 1, 1)) == NULL) exit(1);
putp(tparm(to_status_line, 0, 0));
putp(from_status_line);
fflush(stdout);
signal(SIGINT, cleanup);
signal(SIGKILL, cleanup);
while (1) {
if (!stat(mail, &st) && st.st_size) {
if (st.st_mtime > old_mtime) {
sprintf(buff, "New mail received %s",
ctime(&st.st_mtime));
update = 1;
old_mtime = st.st_mtime;
}
} else {
if (st.st_mtime > old_mtime) {
sprintf(buff, "No mail");
update = 1;
old_mtime = st.st_mtime;
}
}
if (update) {
if ((p = strchr(buff, '\n')) != NULL) *p = 0;
printf("%s%s\n%*s%s%s",
tparm(to_status_line, 0, 0),
enter_standout_mode,
columns, buff,
exit_standout_mode,
from_status_line);
fflush(stdout);
update = 0;
}
usleep(interval);
}
cleanup();
}
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