rdtech-tc: rename "buflen" variable, it's "read length"

[libsigrok.git] / src / hardware / rdtech-tc / protocol.c

diff --git a/src/hardware/rdtech-tc/protocol.c b/src/hardware/rdtech-tc/protocol.c
index fd392884735885c4fc1ffa90d1cd250d2071c3c8..ef1cd34bf817462f647f9c2cc9ff634bea5d9f52 100644 (file)
--- a/src/hardware/rdtech-tc/protocol.c
+++ b/src/hardware/rdtech-tc/protocol.c
@@ -167,7 +167,7 @@ SR_PRIV int rdtech_tc_poll(const struct sr_dev_inst *sdi, gboolean force)
         * Don't send the request while receive data is being accumulated.
         */
        devc = sdi->priv;
-       if (!force && devc->buflen)
+       if (!force && devc->rdlen)
                return SR_OK;
 
        /*
@@ -205,9 +205,9 @@ static int handle_poll_data(struct sr_dev_inst *sdi)
        float v;
 
        devc = sdi->priv;
-       sr_spew("Received poll packet (len: %zu).", devc->buflen);
-       if (devc->buflen < TC_POLL_LEN) {
-               sr_err("Insufficient poll packet length: %zu", devc->buflen);
+       sr_spew("Received poll packet (len: %zu).", devc->rdlen);
+       if (devc->rdlen < TC_POLL_LEN) {
+               sr_err("Insufficient poll packet length: %zu", devc->rdlen);
                return SR_ERR_DATA;
        }
 
@@ -245,15 +245,15 @@ static int recv_poll_data(struct sr_dev_inst *sdi, struct sr_serial_dev_inst *se
 
        /* Receive data became available. Drain the transport layer. */
        devc = sdi->priv;
-       while (devc->buflen < TC_POLL_LEN) {
-               space = sizeof(devc->buf) - devc->buflen;
+       while (devc->rdlen < TC_POLL_LEN) {
+               space = sizeof(devc->buf) - devc->rdlen;
                len = serial_read_nonblocking(serial,
-                       &devc->buf[devc->buflen], space);
+                       &devc->buf[devc->rdlen], space);
                if (len < 0)
                        return SR_ERR_IO;
                if (len == 0)
                        return SR_OK;
-               devc->buflen += len;
+               devc->rdlen += len;
        }
 
        /*
@@ -262,13 +262,13 @@ static int recv_poll_data(struct sr_dev_inst *sdi, struct sr_serial_dev_inst *se
         */
 
        /* Process packets when their reception has completed. */
-       while (devc->buflen >= TC_POLL_LEN) {
+       while (devc->rdlen >= TC_POLL_LEN) {
                ret = handle_poll_data(sdi);
                if (ret != SR_OK)
                        return ret;
-               devc->buflen -= TC_POLL_LEN;
-               if (devc->buflen)
-                       memmove(&devc->buf[0], &devc->buf[TC_POLL_LEN], devc->buflen);
+               devc->rdlen -= TC_POLL_LEN;
+               if (devc->rdlen)
+                       memmove(devc->buf, &devc->buf[TC_POLL_LEN], devc->rdlen);
        }
 
        return SR_OK;