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/*
* Dumb little program to read named pipe written
* by apcupsd and to print what it got.
*
* The default file is /var/log/apcupsd.status
*
* To make: make readfifo
*
* called
*
* ./readfifo <named pipe>
*
* it exits after printing 200 records
*
*/
#include <stdio.h>
main(int argc, char *argv[])
{
int i;
int rfd;
char buf[200];
char *file = "/var/log/apcupsd.status";
if (argc > 1) {
file = argv[1];
}
if ((rfd = open(file, 0)) < 0) { /* open named pipe read only */
printf("Could not open named pipe %s\n", file);
exit(1);
} else {
/* printf("Fifo opened as %d\n"); */
}
for (i=0; i<200; i++) {
int n;
n = read(rfd, buf, sizeof buf);
buf[n] = 0;
/* printf("%d bytes read from %s\n", n, argv[1]); */
printf(buf);
}
}
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