socket: remove unused nng_socket_get_ptr and nng_socket_set_ptr.

We will be removing these pointer based functions more generally
as we we have type-specific accessors instead.

We also removed the context versions of these functions, which were
not previously documented.

docs/man/nng_socket_get.3.adoc

@@ -29,8 +29,6 @@ int nng_socket_get_uint64(nng_socket s, const char *opt, uint64_t *u64p);
 
 int nng_socket_get_string(nng_socket s, const char *opt, char **strp);
 
-int nng_socket_get_ptr(nng_socket s, const char *opt, void **ptr);
-
 int nng_socket_get_ms(nng_socket s, const char *opt, nng_duration *durp);
 
 int nng_socket_get_addr(nng_socket s, const char *opt, nng_sockaddr *addrp);
@@ -47,11 +45,6 @@ A number of them are documented in xref:nng_options.5.adoc[nng_options(5)].
 
 Additionally protocol-specific options are documented with the protocols themselves.
 
-IMPORTANT: Access to transport options via this function is deprecated, and may be
-removed from a future release.  Applications should instead make use of
-xref:nng_dialer_get.3.adoc[nng_dialer_get] or
-xref:nng_listener_get.3.adoc[nng_listener_get] for specific dialers or listeners.
-
 === Forms
 
 In all of these forms, the option _opt_ is retrieved from the socket _s_.
@@ -74,12 +67,6 @@ This function is used to retrieve time xref:nng_duration.5.adoc[durations]
 (The special value ((`NNG_DURATION_INFINITE`)) means an infinite amount of time, and
 the special value ((`NNG_DURATION_DEFAULT`)) means a context-specific default.)
 
-`nng_socket_get_ptr()`::
-This function is used to retrieve a pointer, _ptr_, to structured data.
-The data referenced by _ptr_ is generally managed using other functions.
-Note that this form is somewhat special in that the object is generally
-not copied, but instead the *pointer* to the object is copied.
-
 `nng_socket_get_size()`::
 This function is used to retrieve a size into the pointer _zp_,
 typically for buffer sizes, message maximum sizes, and similar options.

docs/man/nng_socket_set.3.adoc

@@ -25,8 +25,6 @@ int nng_socket_set_int(nng_socket s, const char *opt, int ival);
 
 int nng_socket_set_ms(nng_socket s, const char *opt, nng_duration dur);
 
-int nng_socket_set_ptr(nng_socket s, const char *opt, void *ptr);
-
 int nng_socket_set_size(nng_socket s, const char *opt, size_t z);
 
 int nng_socket_set_string(nng_socket s, const char *opt, const char *str);
@@ -44,11 +42,6 @@ A number of them are documented in xref:nng_options.5.adoc[nng_options(5)].
 
 Protocol-specific options are documented with the protocol in question.
 
-IMPORTANT: Access to transport options via this function is deprecated, and may be
-removed from a future release.  Applications should instead make use of
-xref:nng_dialer_set.3.adoc[nng_dialer_get] or
-xref:nng_listener_set.3.adoc[nng_listener_get] for specific dialers or listeners.
-
 === Forms
 
 The details of the type, size, and semantics of the option will depend
@@ -67,16 +60,6 @@ This function is used to configure time durations (such as timeouts) using
 type xref:nng_duration.5.adoc[`nng_duration`].
 The duration _dur_ is an integer number of milliseconds.
 
-`nng_socket_set_ptr()`::
-This function is used to pass a pointer, _ptr_, to structured data.
-The data referenced by _ptr_ is generally managed by other functions.
-For example, TLS configuration objects created with
-(xref:nng_tls_config_alloc.3tls.adoc[`nng_tls_config_alloc()`])
-can be passed this way.
-
-NOTE: This form is somewhat special in that the object is generally
-not copied, but instead the *pointer* to the object is copied.
-
 `nng_socket_set_size()`::
 This function is used to configure a size, _z_, typically for buffer sizes,
 message maximum sizes, and similar options.

docs/ref/migrate/nng1.md

@@ -87,6 +87,14 @@ The `_getopt` and `_setopt` functions for contexts, listeners, and dialers are n
 present. Simply changing `_getopt` to `_get` or `_setopt` to `_set` in the function name
 should be sufficient in most cases.
 
+The following functions served no useful purpose (after other changes described in this document),
+and are thus removed:
+
+- `nng_socket_get_ptr`
+- `nng_socket_set_ptr`
+- `nng_ctx_get_ptr` (not documented)
+- `nng_ctx_set_ptr` (not documented)
+
 ## Untyped Option Functions Removed
 
 The following functions are removed. To access options, use a proper typed access function,

include/nng/nng.h

@@ -231,15 +231,13 @@ NNG_DECL int nng_socket_set_int(nng_socket, const char *, int);
 NNG_DECL int nng_socket_set_size(nng_socket, const char *, size_t);
 NNG_DECL int nng_socket_set_uint64(nng_socket, const char *, uint64_t);
 NNG_DECL int nng_socket_set_string(nng_socket, const char *, const char *);
-NNG_DECL int nng_socket_set_ptr(nng_socket, const char *, void *);
 NNG_DECL int nng_socket_set_ms(nng_socket, const char *, nng_duration);
 
 NNG_DECL int nng_socket_get_bool(nng_socket, const char *, bool *);
 NNG_DECL int nng_socket_get_int(nng_socket, const char *, int *);
 NNG_DECL int nng_socket_get_size(nng_socket, const char *, size_t *);
 NNG_DECL int nng_socket_get_uint64(nng_socket, const char *, uint64_t *);
 NNG_DECL int nng_socket_get_string(nng_socket, const char *, char **);
-NNG_DECL int nng_socket_get_ptr(nng_socket, const char *, void **);
 NNG_DECL int nng_socket_get_ms(nng_socket, const char *, nng_duration *);
 
 // These functions are used to obtain a file descriptor that will poll
@@ -488,7 +486,6 @@ NNG_DECL int nng_ctx_get_int(nng_ctx, const char *, int *);
 NNG_DECL int nng_ctx_get_size(nng_ctx, const char *, size_t *);
 NNG_DECL int nng_ctx_get_uint64(nng_ctx, const char *, uint64_t *);
 NNG_DECL int nng_ctx_get_string(nng_ctx, const char *, char **);
-NNG_DECL int nng_ctx_get_ptr(nng_ctx, const char *, void **);
 NNG_DECL int nng_ctx_get_ms(nng_ctx, const char *, nng_duration *);
 
 NNG_DECL int nng_ctx_set(nng_ctx, const char *, const void *, size_t);

src/nng.c

@@ -441,12 +441,6 @@ nng_ctx_get_string(nng_ctx id, const char *n, char **v)
 	return (ctx_get(id, n, v, NULL, NNI_TYPE_STRING));
 }
 
-int
-nng_ctx_get_ptr(nng_ctx id, const char *n, void **v)
-{
-	return (ctx_get(id, n, v, NULL, NNI_TYPE_POINTER));
-}
-
 int
 nng_ctx_get_ms(nng_ctx id, const char *n, nng_duration *v)
 {
@@ -497,12 +491,6 @@ nng_ctx_set_ms(nng_ctx id, const char *n, nng_duration v)
 	return (ctx_set(id, n, &v, sizeof(v), NNI_TYPE_DURATION));
 }
 
-int
-nng_ctx_set_ptr(nng_ctx id, const char *n, void *v)
-{
-	return (ctx_set(id, n, &v, sizeof(v), NNI_TYPE_POINTER));
-}
-
 int
 nng_ctx_set_string(nng_ctx id, const char *n, const char *v)
 {
@@ -1145,12 +1133,6 @@ nng_socket_set_ms(nng_socket id, const char *n, nng_duration v)
 	return (socket_set(id, n, &v, sizeof(v), NNI_TYPE_DURATION));
 }
 
-int
-nng_socket_set_ptr(nng_socket id, const char *n, void *v)
-{
-	return (socket_set(id, n, &v, sizeof(v), NNI_TYPE_POINTER));
-}
-
 int
 nng_socket_set_string(nng_socket id, const char *n, const char *v)
 {
@@ -1202,12 +1184,6 @@ nng_socket_get_string(nng_socket id, const char *n, char **v)
 	return (socket_get(id, n, v, NULL, NNI_TYPE_STRING));
 }
 
-int
-nng_socket_get_ptr(nng_socket id, const char *n, void **v)
-{
-	return (socket_get(id, n, v, NULL, NNI_TYPE_POINTER));
-}
-
 int
 nng_socket_get_ms(nng_socket id, const char *n, nng_duration *v)
 {