415     if (lseek(log->fd, 0, SEEK_SET) < 0 ||  in log_head()
451     ret = lseek(log->fd, HEAD, SEEK_SET) < 0 ||  in log_mark()
476     if (back != 8 && (lseek(log->fd, log->last - len, SEEK_SET) < 0 ||  in log_last()
491     return lseek(log->fd, log->last - len, SEEK_SET) < 0 ||  in log_last()
493            lseek(log->fd, log->stored, SEEK_CUR) < 0 ? -1 : 0;  in log_last()
553         (end = lseek(log->fd, 0, SEEK_CUR)) < 0 || ftruncate(log->fd, end))  in log_append()
644         if (lseek(log->fd, log->first - (log->back > 8 ? 2 : 1),  in log_compress()
646             read(log->fd, buf, 1) != 1 || lseek(log->fd, -1, SEEK_CUR) < 0) {  in log_compress()
677         if ((log->first = lseek(log->fd, -1, SEEK_CUR)) < 0 ||  in log_compress()
705         (end = lseek(log->fd, 0, SEEK_CUR)) < 0 || ftruncate(log->fd, end))  in log_compress()
836     if (lseek(log->fd, 0, SEEK_END) == 0) {  in log_open()
935         if (lseek(log->fd, log->first - 1, SEEK_SET) < 0)  in gzlog_compress()
947         if (lseek(log->fd, 0, SEEK_CUR) != log->last + 4 + log->stored)  in gzlog_compress()