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-rw-r--r--include/osmocom/core/msgb.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/include/osmocom/core/msgb.h b/include/osmocom/core/msgb.h
index 1833a6c1..cc76e3ad 100644
--- a/include/osmocom/core/msgb.h
+++ b/include/osmocom/core/msgb.h
@@ -239,7 +239,11 @@ static inline unsigned char *msgb_put(struct msgb *msgb, unsigned int len)
{
unsigned char *tmp = msgb->tail;
if (msgb_tailroom(msgb) < (int) len)
- MSGB_ABORT(msgb, "Not enough tailroom msgb_put (%u < %u)\n",
+ MSGB_ABORT(msgb, "Not enough tailroom msgb_put"
+ " (allocated %u, head at %u, len %u, tailroom %u < want tailroom %u)\n",
+ msgb->data_len - sizeof(struct msgb),
+ msgb->head - msgb->_data,
+ msgb->len,
msgb_tailroom(msgb), len);
msgb->tail += len;
msgb->len += len;
@@ -335,8 +339,13 @@ static inline uint32_t msgb_get_u32(struct msgb *msgb)
static inline unsigned char *msgb_push(struct msgb *msgb, unsigned int len)
{
if (msgb_headroom(msgb) < (int) len)
- MSGB_ABORT(msgb, "Not enough headroom msgb_push (%u < %u)\n",
- msgb_headroom(msgb), len);
+ MSGB_ABORT(msgb, "Not enough headroom msgb_push"
+ " (allocated %u, head at %u < want headroom %u, len %u, tailroom %u)\n",
+ msgb->data_len - sizeof(struct msgb),
+ msgb->head - msgb->_data,
+ len,
+ msgb->len,
+ msgb_tailroom(msgb));
msgb->data -= len;
msgb->len += len;
return msgb->data;