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#ifndef __CURL_TYPECHECK_GCC_H
#define __CURL_TYPECHECK_GCC_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et
al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT
WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
/* wraps curl_easy_setopt() with typechecking */
/* To add a new kind of warning, add an
* if(_curl_is_sometype_option(_curl_opt))
* if(!_curl_is_sometype(value))
* _curl_easy_setopt_err_sometype();
* block and define _curl_is_sometype_option, _curl_is_sometype and
* _curl_easy_setopt_err_sometype below
*
* NOTE: We use two nested 'if' statements here instead of the
&& operator, in
* order to work around gcc bug #32061. It affects only gcc
4.3.x/4.4.x
* when compiling with -Wlogical-op.
*
* To add an option that uses the same type as an existing option,
you'll just
* need to extend the appropriate _curl_*_option macro
*/
#define curl_easy_setopt(handle, option, value)
\
__extension__ ({
\
__typeof__ (option) _curl_opt = option;
\
if(__builtin_constant_p(_curl_opt)) {
\
if(_curl_is_long_option(_curl_opt))
\
if(!_curl_is_long(value))
\
_curl_easy_setopt_err_long();
\
if(_curl_is_off_t_option(_curl_opt))
\
if(!_curl_is_off_t(value))
\
_curl_easy_setopt_err_curl_off_t();
\
if(_curl_is_string_option(_curl_opt))
\
if(!_curl_is_string(value))
\
_curl_easy_setopt_err_string();
\
if(_curl_is_write_cb_option(_curl_opt))
\
if(!_curl_is_write_cb(value))
\
_curl_easy_setopt_err_write_callback();
\
if((_curl_opt) == CURLOPT_READFUNCTION)
\
if(!_curl_is_read_cb(value))
\
_curl_easy_setopt_err_read_cb();
\
if((_curl_opt) == CURLOPT_IOCTLFUNCTION)
\
if(!_curl_is_ioctl_cb(value))
\
_curl_easy_setopt_err_ioctl_cb();
\
if((_curl_opt) == CURLOPT_SOCKOPTFUNCTION)
\
if(!_curl_is_sockopt_cb(value))
\
_curl_easy_setopt_err_sockopt_cb();
\
if((_curl_opt) == CURLOPT_OPENSOCKETFUNCTION)
\
if(!_curl_is_opensocket_cb(value))
\
_curl_easy_setopt_err_opensocket_cb();
\
if((_curl_opt) == CURLOPT_PROGRESSFUNCTION)
\
if(!_curl_is_progress_cb(value))
\
_curl_easy_setopt_err_progress_cb();
\
if((_curl_opt) == CURLOPT_DEBUGFUNCTION)
\
if(!_curl_is_debug_cb(value))
\
_curl_easy_setopt_err_debug_cb();
\
if((_curl_opt) == CURLOPT_SSL_CTX_FUNCTION)
\
if(!_curl_is_ssl_ctx_cb(value))
\
_curl_easy_setopt_err_ssl_ctx_cb();
\
if(_curl_is_conv_cb_option(_curl_opt))
\
if(!_curl_is_conv_cb(value))
\
_curl_easy_setopt_err_conv_cb();
\
if((_curl_opt) == CURLOPT_SEEKFUNCTION)
\
if(!_curl_is_seek_cb(value))
\
_curl_easy_setopt_err_seek_cb();
\
if(_curl_is_cb_data_option(_curl_opt))
\
if(!_curl_is_cb_data(value))
\
_curl_easy_setopt_err_cb_data();
\
if((_curl_opt) == CURLOPT_ERRORBUFFER)
\
if(!_curl_is_error_buffer(value))
\
_curl_easy_setopt_err_error_buffer();
\
if((_curl_opt) == CURLOPT_STDERR)
\
if(!_curl_is_FILE(value))
\
_curl_easy_setopt_err_FILE();
\
if(_curl_is_postfields_option(_curl_opt))
\
if(!_curl_is_postfields(value))
\
_curl_easy_setopt_err_postfields();
\
if((_curl_opt) == CURLOPT_HTTPPOST)
\
if(!_curl_is_arr((value), struct curl_httppost))
\
_curl_easy_setopt_err_curl_httpost();
\
if(_curl_is_slist_option(_curl_opt))
\
if(!_curl_is_arr((value), struct curl_slist))
\
_curl_easy_setopt_err_curl_slist();
\
if((_curl_opt) == CURLOPT_SHARE)
\
if(!_curl_is_ptr((value), CURLSH))
\
_curl_easy_setopt_err_CURLSH();
\
}
\
curl_easy_setopt(handle, _curl_opt, value);
\
})
/* wraps curl_easy_getinfo() with typechecking */
/* FIXME: don't allow const pointers */
#define curl_easy_getinfo(handle, info, arg)
\
__extension__ ({
\
__typeof__ (info) _curl_info = info;
\
if(__builtin_constant_p(_curl_info)) {
\
if(_curl_is_string_info(_curl_info))
\
if(!_curl_is_arr((arg), char *))
\
_curl_easy_getinfo_err_string();
\
if(_curl_is_long_info(_curl_info))
\
if(!_curl_is_arr((arg), long))
\
_curl_easy_getinfo_err_long();
\
if(_curl_is_double_info(_curl_info))
\
if(!_curl_is_arr((arg), double))
\
_curl_easy_getinfo_err_double();
\
if(_curl_is_slist_info(_curl_info))
\
if(!_curl_is_arr((arg), struct curl_slist *))
\
_curl_easy_getinfo_err_curl_slist();
\
}
\
curl_easy_getinfo(handle, _curl_info, arg);
\
})
/* TODO: typechecking for curl_share_setopt() and curl_multi_setopt(),
* for now just make sure that the functions are called with three
* arguments
*/
#define curl_share_setopt(share,opt,param)
curl_share_setopt(share,opt,param)
#define curl_multi_setopt(handle,opt,param)
curl_multi_setopt(handle,opt,param)
/* the actual warnings, triggered by calling the _curl_easy_setopt_err*
* functions */
/* To define a new warning, use _CURL_WARNING(identifier,
"message") */
#define _CURL_WARNING(id, message)
\
static void __attribute__((__warning__(message)))
\
__attribute__((__unused__)) __attribute__((__noinline__))
\
id(void) { __asm__(""); }
_CURL_WARNING(_curl_easy_setopt_err_long,
"curl_easy_setopt expects a long argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_curl_off_t,
"curl_easy_setopt expects a curl_off_t argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_string,
"curl_easy_setopt expects a "
"string (char* or char[]) argument for this option"
)
_CURL_WARNING(_curl_easy_setopt_err_write_callback,
"curl_easy_setopt expects a curl_write_callback argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_read_cb,
"curl_easy_setopt expects a curl_read_callback argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_ioctl_cb,
"curl_easy_setopt expects a curl_ioctl_callback argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_sockopt_cb,
"curl_easy_setopt expects a curl_sockopt_callback argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_opensocket_cb,
"curl_easy_setopt expects a "
"curl_opensocket_callback argument for this option"
)
_CURL_WARNING(_curl_easy_setopt_err_progress_cb,
"curl_easy_setopt expects a curl_progress_callback argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_debug_cb,
"curl_easy_setopt expects a curl_debug_callback argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_ssl_ctx_cb,
"curl_easy_setopt expects a curl_ssl_ctx_callback argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_conv_cb,
"curl_easy_setopt expects a curl_conv_callback argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_seek_cb,
"curl_easy_setopt expects a curl_seek_callback argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_cb_data,
"curl_easy_setopt expects a "
"private data pointer as argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_error_buffer,
"curl_easy_setopt expects a "
"char buffer of CURL_ERROR_SIZE as argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_FILE,
"curl_easy_setopt expects a FILE* argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_postfields,
"curl_easy_setopt expects a void* or char* argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_curl_httpost,
"curl_easy_setopt expects a struct curl_httppost* argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_curl_slist,
"curl_easy_setopt expects a struct curl_slist* argument for this
option")
_CURL_WARNING(_curl_easy_setopt_err_CURLSH,
"curl_easy_setopt expects a CURLSH* argument for this option")
_CURL_WARNING(_curl_easy_getinfo_err_string,
"curl_easy_getinfo expects a pointer to char * for this info")
_CURL_WARNING(_curl_easy_getinfo_err_long,
"curl_easy_getinfo expects a pointer to long for this info")
_CURL_WARNING(_curl_easy_getinfo_err_double,
"curl_easy_getinfo expects a pointer to double for this info")
_CURL_WARNING(_curl_easy_getinfo_err_curl_slist,
"curl_easy_getinfo expects a pointer to struct curl_slist * for this
info")
/* groups of curl_easy_setops options that take the same type of argument
*/
/* To add a new option to one of the groups, just add
* (option) == CURLOPT_SOMETHING
* to the or-expression. If the option takes a long or curl_off_t, you
don't
* have to do anything
*/
/* evaluates to true if option takes a long argument */
#define _curl_is_long_option(option)
\
(0 < (option) && (option) < CURLOPTTYPE_OBJECTPOINT)
#define _curl_is_off_t_option(option)
\
((option) > CURLOPTTYPE_OFF_T)
/* evaluates to true if option takes a char* argument */
#define _curl_is_string_option(option)
\
((option) == CURLOPT_URL ||
\
(option) == CURLOPT_PROXY ||
\
(option) == CURLOPT_INTERFACE ||
\
(option) == CURLOPT_NETRC_FILE ||
\
(option) == CURLOPT_USERPWD ||
\
(option) == CURLOPT_USERNAME ||
\
(option) == CURLOPT_PASSWORD ||
\
(option) == CURLOPT_PROXYUSERPWD ||
\
(option) == CURLOPT_PROXYUSERNAME ||
\
(option) == CURLOPT_PROXYPASSWORD ||
\
(option) == CURLOPT_NOPROXY ||
\
(option) == CURLOPT_ACCEPT_ENCODING ||
\
(option) == CURLOPT_REFERER ||
\
(option) == CURLOPT_USERAGENT ||
\
(option) == CURLOPT_COOKIE ||
\
(option) == CURLOPT_COOKIEFILE ||
\
(option) == CURLOPT_COOKIEJAR ||
\
(option) == CURLOPT_COOKIELIST ||
\
(option) == CURLOPT_FTPPORT ||
\
(option) == CURLOPT_FTP_ALTERNATIVE_TO_USER ||
\
(option) == CURLOPT_FTP_ACCOUNT ||
\
(option) == CURLOPT_RANGE ||
\
(option) == CURLOPT_CUSTOMREQUEST ||
\
(option) == CURLOPT_SSLCERT ||
\
(option) == CURLOPT_SSLCERTTYPE ||
\
(option) == CURLOPT_SSLKEY ||
\
(option) == CURLOPT_SSLKEYTYPE ||
\
(option) == CURLOPT_KEYPASSWD ||
\
(option) == CURLOPT_SSLENGINE ||
\
(option) == CURLOPT_CAINFO ||
\
(option) == CURLOPT_CAPATH ||
\
(option) == CURLOPT_RANDOM_FILE ||
\
(option) == CURLOPT_EGDSOCKET ||
\
(option) == CURLOPT_SSL_CIPHER_LIST ||
\
(option) == CURLOPT_KRBLEVEL ||
\
(option) == CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 ||
\
(option) == CURLOPT_SSH_PUBLIC_KEYFILE ||
\
(option) == CURLOPT_SSH_PRIVATE_KEYFILE ||
\
(option) == CURLOPT_CRLFILE ||
\
(option) == CURLOPT_ISSUERCERT ||
\
(option) == CURLOPT_SOCKS5_GSSAPI_SERVICE ||
\
(option) == CURLOPT_SSH_KNOWNHOSTS ||
\
(option) == CURLOPT_MAIL_FROM ||
\
(option) == CURLOPT_RTSP_SESSION_ID ||
\
(option) == CURLOPT_RTSP_STREAM_URI ||
\
(option) == CURLOPT_RTSP_TRANSPORT ||
\
0)
/* evaluates to true if option takes a curl_write_callback argument */
#define _curl_is_write_cb_option(option)
\
((option) == CURLOPT_HEADERFUNCTION ||
\
(option) == CURLOPT_WRITEFUNCTION)
/* evaluates to true if option takes a curl_conv_callback argument */
#define _curl_is_conv_cb_option(option)
\
((option) == CURLOPT_CONV_TO_NETWORK_FUNCTION ||
\
(option) == CURLOPT_CONV_FROM_NETWORK_FUNCTION ||
\
(option) == CURLOPT_CONV_FROM_UTF8_FUNCTION)
/* evaluates to true if option takes a data argument to pass to a callback
*/
#define _curl_is_cb_data_option(option)
\
((option) == CURLOPT_WRITEDATA ||
\
(option) == CURLOPT_READDATA ||
\
(option) == CURLOPT_IOCTLDATA ||
\
(option) == CURLOPT_SOCKOPTDATA ||
\
(option) == CURLOPT_OPENSOCKETDATA ||
\
(option) == CURLOPT_PROGRESSDATA ||
\
(option) == CURLOPT_WRITEHEADER ||
\
(option) == CURLOPT_DEBUGDATA ||
\
(option) == CURLOPT_SSL_CTX_DATA ||
\
(option) == CURLOPT_SEEKDATA ||
\
(option) == CURLOPT_PRIVATE ||
\
(option) == CURLOPT_SSH_KEYDATA ||
\
(option) == CURLOPT_INTERLEAVEDATA ||
\
(option) == CURLOPT_CHUNK_DATA ||
\
(option) == CURLOPT_FNMATCH_DATA ||
\
0)
/* evaluates to true if option takes a POST data argument (void* or char*)
*/
#define _curl_is_postfields_option(option)
\
((option) == CURLOPT_POSTFIELDS ||
\
(option) == CURLOPT_COPYPOSTFIELDS ||
\
0)
/* evaluates to true if option takes a struct curl_slist * argument */
#define _curl_is_slist_option(option)
\
((option) == CURLOPT_HTTPHEADER ||
\
(option) == CURLOPT_HTTP200ALIASES ||
\
(option) == CURLOPT_QUOTE ||
\
(option) == CURLOPT_POSTQUOTE ||
\
(option) == CURLOPT_PREQUOTE ||
\
(option) == CURLOPT_TELNETOPTIONS ||
\
(option) == CURLOPT_MAIL_RCPT ||
\
0)
/* groups of curl_easy_getinfo infos that take the same type of argument */
/* evaluates to true if info expects a pointer to char * argument */
#define _curl_is_string_info(info)
\
(CURLINFO_STRING < (info) && (info) < CURLINFO_LONG)
/* evaluates to true if info expects a pointer to long argument */
#define _curl_is_long_info(info)
\
(CURLINFO_LONG < (info) && (info) < CURLINFO_DOUBLE)
/* evaluates to true if info expects a pointer to double argument */
#define _curl_is_double_info(info)
\
(CURLINFO_DOUBLE < (info) && (info) < CURLINFO_SLIST)
/* true if info expects a pointer to struct curl_slist * argument */
#define _curl_is_slist_info(info)
\
(CURLINFO_SLIST < (info))
/* typecheck helpers -- check whether given expression has requested type*/
/* For pointers, you can use the _curl_is_ptr/_curl_is_arr macros,
* otherwise define a new macro. Search for __builtin_types_compatible_p
* in the GCC manual.
* NOTE: these macros MUST NOT EVALUATE their arguments! The argument is
* the actual expression passed to the curl_easy_setopt macro. This
* means that you can only apply the sizeof and __typeof__ operators, no
* == or whatsoever.
*/
/* XXX: should evaluate to true iff expr is a pointer */
#define _curl_is_any_ptr(expr)
\
(sizeof(expr) == sizeof(void*))
/* evaluates to true if expr is NULL */
/* XXX: must not evaluate expr, so this check is not accurate */
#define _curl_is_NULL(expr)
\
(__builtin_types_compatible_p(__typeof__(expr), __typeof__(NULL)))
/* evaluates to true if expr is type*, const type* or NULL */
#define _curl_is_ptr(expr, type)
\
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), type *) ||
\
__builtin_types_compatible_p(__typeof__(expr), const type *))
/* evaluates to true if expr is one of type[], type*, NULL or const type*
*/
#define _curl_is_arr(expr, type)
\
(_curl_is_ptr((expr), type) ||
\
__builtin_types_compatible_p(__typeof__(expr), type []))
/* evaluates to true if expr is a string */
#define _curl_is_string(expr)
\
(_curl_is_arr((expr), char) ||
\
_curl_is_arr((expr), signed char) ||
\
_curl_is_arr((expr), unsigned char))
/* evaluates to true if expr is a long (no matter the signedness)
* XXX: for now, int is also accepted (and therefore short and char, which
* are promoted to int when passed to a variadic function) */
#define _curl_is_long(expr)
\
(__builtin_types_compatible_p(__typeof__(expr), long) ||
\
__builtin_types_compatible_p(__typeof__(expr), signed long) ||
\
__builtin_types_compatible_p(__typeof__(expr), unsigned long) ||
\
__builtin_types_compatible_p(__typeof__(expr), int) ||
\
__builtin_types_compatible_p(__typeof__(expr), signed int) ||
\
__builtin_types_compatible_p(__typeof__(expr), unsigned int) ||
\
__builtin_types_compatible_p(__typeof__(expr), short) ||
\
__builtin_types_compatible_p(__typeof__(expr), signed short) ||
\
__builtin_types_compatible_p(__typeof__(expr), unsigned short) ||
\
__builtin_types_compatible_p(__typeof__(expr), char) ||
\
__builtin_types_compatible_p(__typeof__(expr), signed char) ||
\
__builtin_types_compatible_p(__typeof__(expr), unsigned char))
/* evaluates to true if expr is of type curl_off_t */
#define _curl_is_off_t(expr)
\
(__builtin_types_compatible_p(__typeof__(expr), curl_off_t))
/* evaluates to true if expr is abuffer suitable for CURLOPT_ERRORBUFFER */
/* XXX: also check size of an char[] array? */
#define _curl_is_error_buffer(expr)
\
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), char *) ||
\
__builtin_types_compatible_p(__typeof__(expr), char[]))
/* evaluates to true if expr is of type (const) void* or (const) FILE* */
#if 0
#define _curl_is_cb_data(expr)
\
(_curl_is_ptr((expr), void) ||
\
_curl_is_ptr((expr), FILE))
#else /* be less strict */
#define _curl_is_cb_data(expr)
\
_curl_is_any_ptr(expr)
#endif
/* evaluates to true if expr is of type FILE* */
#define _curl_is_FILE(expr)
\
(__builtin_types_compatible_p(__typeof__(expr), FILE *))
/* evaluates to true if expr can be passed as POST data (void* or char*) */
#define _curl_is_postfields(expr)
\
(_curl_is_ptr((expr), void) ||
\
_curl_is_arr((expr), char))
/* FIXME: the whole callback checking is messy...
* The idea is to tolerate char vs. void and const vs. not const
* pointers in arguments at least
*/
/* helper: __builtin_types_compatible_p distinguishes between functions and
* function pointers, hide it */
#define _curl_callback_compatible(func, type)
\
(__builtin_types_compatible_p(__typeof__(func), type) ||
\
__builtin_types_compatible_p(__typeof__(func), type*))
/* evaluates to true if expr is of type curl_read_callback or
"similar" */
#define _curl_is_read_cb(expr) \
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), __typeof__(fread)) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_read_callback) ||
\
_curl_callback_compatible((expr), _curl_read_callback1) ||
\
_curl_callback_compatible((expr), _curl_read_callback2) ||
\
_curl_callback_compatible((expr), _curl_read_callback3) ||
\
_curl_callback_compatible((expr), _curl_read_callback4) ||
\
_curl_callback_compatible((expr), _curl_read_callback5) ||
\
_curl_callback_compatible((expr), _curl_read_callback6))
typedef size_t (_curl_read_callback1)(char *, size_t, size_t, void*);
typedef size_t (_curl_read_callback2)(char *, size_t, size_t, const void*);
typedef size_t (_curl_read_callback3)(char *, size_t, size_t, FILE*);
typedef size_t (_curl_read_callback4)(void *, size_t, size_t, void*);
typedef size_t (_curl_read_callback5)(void *, size_t, size_t, const void*);
typedef size_t (_curl_read_callback6)(void *, size_t, size_t, FILE*);
/* evaluates to true if expr is of type curl_write_callback or
"similar" */
#define _curl_is_write_cb(expr)
\
(_curl_is_read_cb(expr) || \
__builtin_types_compatible_p(__typeof__(expr), __typeof__(fwrite)) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_write_callback) ||
\
_curl_callback_compatible((expr), _curl_write_callback1) ||
\
_curl_callback_compatible((expr), _curl_write_callback2) ||
\
_curl_callback_compatible((expr), _curl_write_callback3) ||
\
_curl_callback_compatible((expr), _curl_write_callback4) ||
\
_curl_callback_compatible((expr), _curl_write_callback5) ||
\
_curl_callback_compatible((expr), _curl_write_callback6))
typedef size_t (_curl_write_callback1)(const char *, size_t, size_t,
void*);
typedef size_t (_curl_write_callback2)(const char *, size_t, size_t,
const void*);
typedef size_t (_curl_write_callback3)(const char *, size_t, size_t,
FILE*);
typedef size_t (_curl_write_callback4)(const void *, size_t, size_t,
void*);
typedef size_t (_curl_write_callback5)(const void *, size_t, size_t,
const void*);
typedef size_t (_curl_write_callback6)(const void *, size_t, size_t,
FILE*);
/* evaluates to true if expr is of type curl_ioctl_callback or
"similar" */
#define _curl_is_ioctl_cb(expr) \
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_ioctl_callback) ||
\
_curl_callback_compatible((expr), _curl_ioctl_callback1) ||
\
_curl_callback_compatible((expr), _curl_ioctl_callback2) ||
\
_curl_callback_compatible((expr), _curl_ioctl_callback3) ||
\
_curl_callback_compatible((expr), _curl_ioctl_callback4))
typedef curlioerr (_curl_ioctl_callback1)(CURL *, int, void*);
typedef curlioerr (_curl_ioctl_callback2)(CURL *, int, const void*);
typedef curlioerr (_curl_ioctl_callback3)(CURL *, curliocmd, void*);
typedef curlioerr (_curl_ioctl_callback4)(CURL *, curliocmd, const void*);
/* evaluates to true if expr is of type curl_sockopt_callback or
"similar" */
#define _curl_is_sockopt_cb(expr) \
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_sockopt_callback) ||
\
_curl_callback_compatible((expr), _curl_sockopt_callback1) ||
\
_curl_callback_compatible((expr), _curl_sockopt_callback2))
typedef int (_curl_sockopt_callback1)(void *, curl_socket_t, curlsocktype);
typedef int (_curl_sockopt_callback2)(const void *, curl_socket_t,
curlsocktype);
/* evaluates to true if expr is of type curl_opensocket_callback or
"similar" */
#define _curl_is_opensocket_cb(expr) \
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_opensocket_callback)
||\
_curl_callback_compatible((expr), _curl_opensocket_callback1) ||
\
_curl_callback_compatible((expr), _curl_opensocket_callback2) ||
\
_curl_callback_compatible((expr), _curl_opensocket_callback3) ||
\
_curl_callback_compatible((expr), _curl_opensocket_callback4))
typedef curl_socket_t (_curl_opensocket_callback1)
(void *, curlsocktype, struct curl_sockaddr *);
typedef curl_socket_t (_curl_opensocket_callback2)
(void *, curlsocktype, const struct curl_sockaddr *);
typedef curl_socket_t (_curl_opensocket_callback3)
(const void *, curlsocktype, struct curl_sockaddr *);
typedef curl_socket_t (_curl_opensocket_callback4)
(const void *, curlsocktype, const struct curl_sockaddr *);
/* evaluates to true if expr is of type curl_progress_callback or
"similar" */
#define _curl_is_progress_cb(expr) \
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_progress_callback)
|| \
_curl_callback_compatible((expr), _curl_progress_callback1) ||
\
_curl_callback_compatible((expr), _curl_progress_callback2))
typedef int (_curl_progress_callback1)(void *,
double, double, double, double);
typedef int (_curl_progress_callback2)(const void *,
double, double, double, double);
/* evaluates to true if expr is of type curl_debug_callback or
"similar" */
#define _curl_is_debug_cb(expr) \
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_debug_callback) ||
\
_curl_callback_compatible((expr), _curl_debug_callback1) ||
\
_curl_callback_compatible((expr), _curl_debug_callback2) ||
\
_curl_callback_compatible((expr), _curl_debug_callback3) ||
\
_curl_callback_compatible((expr), _curl_debug_callback4) ||
\
_curl_callback_compatible((expr), _curl_debug_callback5) ||
\
_curl_callback_compatible((expr), _curl_debug_callback6) ||
\
_curl_callback_compatible((expr), _curl_debug_callback7) ||
\
_curl_callback_compatible((expr), _curl_debug_callback8))
typedef int (_curl_debug_callback1) (CURL *,
curl_infotype, char *, size_t, void *);
typedef int (_curl_debug_callback2) (CURL *,
curl_infotype, char *, size_t, const void *);
typedef int (_curl_debug_callback3) (CURL *,
curl_infotype, const char *, size_t, void *);
typedef int (_curl_debug_callback4) (CURL *,
curl_infotype, const char *, size_t, const void *);
typedef int (_curl_debug_callback5) (CURL *,
curl_infotype, unsigned char *, size_t, void *);
typedef int (_curl_debug_callback6) (CURL *,
curl_infotype, unsigned char *, size_t, const void *);
typedef int (_curl_debug_callback7) (CURL *,
curl_infotype, const unsigned char *, size_t, void *);
typedef int (_curl_debug_callback8) (CURL *,
curl_infotype, const unsigned char *, size_t, const void *);
/* evaluates to true if expr is of type curl_ssl_ctx_callback or
"similar" */
/* this is getting even messier... */
#define _curl_is_ssl_ctx_cb(expr) \
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_ssl_ctx_callback) ||
\
_curl_callback_compatible((expr), _curl_ssl_ctx_callback1) ||
\
_curl_callback_compatible((expr), _curl_ssl_ctx_callback2) ||
\
_curl_callback_compatible((expr), _curl_ssl_ctx_callback3) ||
\
_curl_callback_compatible((expr), _curl_ssl_ctx_callback4) ||
\
_curl_callback_compatible((expr), _curl_ssl_ctx_callback5) ||
\
_curl_callback_compatible((expr), _curl_ssl_ctx_callback6) ||
\
_curl_callback_compatible((expr), _curl_ssl_ctx_callback7) ||
\
_curl_callback_compatible((expr), _curl_ssl_ctx_callback8))
typedef CURLcode (_curl_ssl_ctx_callback1)(CURL *, void *, void *);
typedef CURLcode (_curl_ssl_ctx_callback2)(CURL *, void *, const void *);
typedef CURLcode (_curl_ssl_ctx_callback3)(CURL *, const void *, void *);
typedef CURLcode (_curl_ssl_ctx_callback4)(CURL *, const void *, const void
*);
#ifdef HEADER_SSL_H
/* hack: if we included OpenSSL's ssl.h, we know about SSL_CTX
* this will of course break if we're included before OpenSSL
headers...
*/
typedef CURLcode (_curl_ssl_ctx_callback5)(CURL *, SSL_CTX, void *);
typedef CURLcode (_curl_ssl_ctx_callback6)(CURL *, SSL_CTX, const void *);
typedef CURLcode (_curl_ssl_ctx_callback7)(CURL *, const SSL_CTX, void *);
typedef CURLcode (_curl_ssl_ctx_callback8)(CURL *, const SSL_CTX,
const void *);
#else
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback5;
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback6;
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback7;
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback8;
#endif
/* evaluates to true if expr is of type curl_conv_callback or
"similar" */
#define _curl_is_conv_cb(expr) \
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_conv_callback) ||
\
_curl_callback_compatible((expr), _curl_conv_callback1) ||
\
_curl_callback_compatible((expr), _curl_conv_callback2) ||
\
_curl_callback_compatible((expr), _curl_conv_callback3) ||
\
_curl_callback_compatible((expr), _curl_conv_callback4))
typedef CURLcode (*_curl_conv_callback1)(char *, size_t length);
typedef CURLcode (*_curl_conv_callback2)(const char *, size_t length);
typedef CURLcode (*_curl_conv_callback3)(void *, size_t length);
typedef CURLcode (*_curl_conv_callback4)(const void *, size_t length);
/* evaluates to true if expr is of type curl_seek_callback or
"similar" */
#define _curl_is_seek_cb(expr) \
(_curl_is_NULL(expr) ||
\
__builtin_types_compatible_p(__typeof__(expr), curl_seek_callback) ||
\
_curl_callback_compatible((expr), _curl_seek_callback1) ||
\
_curl_callback_compatible((expr), _curl_seek_callback2))
typedef CURLcode (*_curl_seek_callback1)(void *, curl_off_t, int);
typedef CURLcode (*_curl_seek_callback2)(const void *, curl_off_t, int);
#endif /* __CURL_TYPECHECK_GCC_H */