}
void get_cur_epoch() {
- int fd, len;
+ int fd;
fd = open("/tmp/fprobe_last_epoch",O_RDONLY);
if (fd != -1) {
char snum[7];
- read(fd, snum, 7);
- sscanf(snum,"%d",&cur_epoch);
+ ssize_t len;
+ len = read(fd, snum, sizeof(snum)-1);
+ if (len != -1) {
+ snum[len]='\0';
+ sscanf(snum,"%d",&cur_epoch);
+ close(fd);
+ }
}
return;
}