core/osmo_io: Rename variables for readability
Rename msg_len -> received_len, len -> expected_len
so the variable names have a consistent scheme.
For instance,
extra_len = msg_len - len
becomes
extra_len = received_len - expected_len
Change-Id: I3d752ce91a1b16c855522f643d10a52ef28a8a84
diff --git a/src/core/osmo_io.c b/src/core/osmo_io.c
index d260da4..b0287ec 100644
--- a/src/core/osmo_io.c
+++ b/src/core/osmo_io.c
@@ -219,28 +219,29 @@
*/
static enum iofd_seg_act iofd_handle_segmentation(struct osmo_io_fd *iofd, struct msgb *msg, struct msgb **pending_out)
{
- int extra_len, msg_len;
+ int extra_len, received_len;
struct msgb *msg_pending;
- msg_len = msgb_length(msg);
+ received_len = msgb_length(msg);
if (!iofd->io_ops.segmentation_cb) {
*pending_out = NULL;
return IOFD_SEG_ACT_HANDLE_ONE;
}
- int len = iofd->io_ops.segmentation_cb(msg);
- if (len == -EAGAIN) {
+ int expected_len = iofd->io_ops.segmentation_cb(msg);
+ if (expected_len == -EAGAIN) {
goto defer;
- } else if (len < 0) {
+ } else if (expected_len < 0) {
/* Something is wrong, skip this msgb */
- LOGPIO(iofd, LOGL_ERROR, "segmentation_cb returned error (%d), skipping msg of size %d\n", len, msg_len);
+ LOGPIO(iofd, LOGL_ERROR, "segmentation_cb returned error (%d), skipping msg of size %d\n",
+ expected_len, received_len);
*pending_out = NULL;
msgb_free(msg);
return IOFD_SEG_ACT_DEFER;
}
- extra_len = msg_len - len;
+ extra_len = received_len - expected_len;
/* No segmentation needed, return the whole msgb */
if (extra_len == 0) {
*pending_out = NULL;
@@ -253,12 +254,12 @@
/* msgb contains more than one segment */
/* Copy the trailing data over */
msg_pending = iofd_msgb_alloc(iofd);
- memcpy(msgb_data(msg_pending), msgb_data(msg) + len, extra_len);
+ memcpy(msgb_data(msg_pending), msgb_data(msg) + expected_len, extra_len);
msgb_put(msg_pending, extra_len);
*pending_out = msg_pending;
/* Trim the original msgb to size */
- msgb_trim(msg, len);
+ msgb_trim(msg, expected_len);
return IOFD_SEG_ACT_HANDLE_MORE;
defer: