dot_testing/builds/utils/c/status/message.c

35 lines
809 B
C

#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <sys/inotify.h>
#include "message.h"
#include "common.h"
int mod_message(char *config, char *name, char *pipename) {
struct message msg;
struct inotify_event buf;
strcpy(msg.name, name);
int fd = inotify_init();
int outfd = open(pipename, O_WRONLY);
for(;;) {
int watchdesc = inotify_add_watch(fd, config, IN_MODIFY);
read(fd, &buf, sizeof(struct inotify_event));
/* the file's changed, so reread it */
int filefd = open(config, O_RDONLY, 0);
int read_in = read(filefd, msg.content, sizeof(msg.content));
msg.content[read_in - 1] = '\0';
close(filefd);
/* write the new */
write(outfd, &msg, sizeof(msg));
inotify_rm_watch(fd, watchdesc); /* not sure why this is needed */
}
return 0;
}