Message API was awkward.

The use of a single function to get both size and length actually
turned out to be awkward to use; better to have separate functions
to get each.  While here, disable some of the initialization/fork
checks, because it turns out they aren't needed.

1 files changed, 4 insertions, 2 deletions

diff --git a/src/nng.h b/src/nng.h
index 2a1113ed..e535c9d4 100644
--- a/src/nng.h
+++ b/src/nng.h
@@ -200,8 +200,10 @@ NNG_DECL int nng_recvmsg(nng_socket *, nng_msg **, int);
 NNG_DECL int nng_msg_alloc(nng_msg **, size_t);
 NNG_DECL void nng_msg_free(nng_msg *);
 NNG_DECL int nng_msg_realloc(nng_msg *, size_t);
-NNG_DECL void *nng_msg_header(nng_msg *, size_t *);
-NNG_DECL void *nng_msg_body(nng_msg *, size_t *);
+NNG_DECL void *nng_msg_header(nng_msg *);
+NNG_DECL size_t nng_msg_header_len(nng_msg *);
+NNG_DECL void *nng_msg_body(nng_msg *);
+NNG_DECL size_t nng_msg_len(nng_msg *);
 NNG_DECL int nng_msg_append(nng_msg *, const void *, size_t);
 NNG_DECL int nng_msg_prepend(nng_msg *, const void *, size_t);
 NNG_DECL int nng_msg_trim(nng_msg *, size_t);