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kern-scale: style nits, var decl vs assignment, copy loop vs memmove

This commit is contained in:
Gerhard Sittig 2018-02-21 17:56:50 +01:00 committed by Uwe Hermann
parent 0f6ff97bf8
commit 7a65106e00
1 changed files with 4 additions and 3 deletions
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7
src/hardware/kern-scale/protocol.c
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@ -65,7 +65,7 @@ static void handle_new_data(struct sr_dev_inst *sdi, void *info)
{ {
struct scale_info *scale; struct scale_info *scale;
struct dev_context *devc; struct dev_context *devc;
int len, i, offset = 0; int len, offset;
struct sr_serial_dev_inst *serial; struct sr_serial_dev_inst *serial;
scale = (struct scale_info *)sdi->driver; scale = (struct scale_info *)sdi->driver;
@ -85,6 +85,7 @@ static void handle_new_data(struct sr_dev_inst *sdi, void *info)
devc->buflen += len; devc->buflen += len;
/* Now look for packets in that data. */ /* Now look for packets in that data. */
offset = 0;
while ((devc->buflen - offset) >= scale->packet_size) { while ((devc->buflen - offset) >= scale->packet_size) {
if (scale->packet_valid(devc->buf + offset)) { if (scale->packet_valid(devc->buf + offset)) {
handle_packet(devc->buf + offset, sdi, info); handle_packet(devc->buf + offset, sdi, info);
@ -95,8 +96,8 @@ static void handle_new_data(struct sr_dev_inst *sdi, void *info)
} }
/* If we have any data left, move it to the beginning of our buffer. */ /* If we have any data left, move it to the beginning of our buffer. */
for (i = 0; i < devc->buflen - offset; i++) if (offset < devc->buflen)
devc->buf[i] = devc->buf[offset + i]; memmove(devc->buf, devc->buf + offset, devc->buflen - offset);
devc->buflen -= offset; devc->buflen -= offset;
} }