1 files changed, 68 insertions, 0 deletions
diff --git a/loader/kon2/kbiff/kbiff.c b/loader/kon2/kbiff/kbiff.c
new file mode 100644
index 000000000..d1c8ea1b7
--- /dev/null
+++ b/loader/kon2/kbiff/kbiff.c
@@ -0,0 +1,68 @@
+#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();
+}