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#ifndef __CURL_TYPECHECK_GCC_H
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#define __CURL_TYPECHECK_GCC_H
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/***************************************************************************
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* Project ___| | | | _ \| |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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* Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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* $Id: typecheck-gcc.h,v 1.9 2009-01-25 23:26:31 bagder Exp $
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***************************************************************************/
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/* wraps curl_easy_setopt() with typechecking */
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/* To add a new kind of warning, add an
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* if(_curl_is_sometype_option(_curl_opt) && ! _curl_is_sometype(value))
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* _curl_easy_setopt_err_sometype();
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* block and define _curl_is_sometype_option, _curl_is_sometype and
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* _curl_easy_setopt_err_sometype below
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* To add an option that uses the same type as an existing option, you'll just
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* need to extend the appropriate _curl_*_option macro
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#define curl_easy_setopt(handle, option, value) \
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__typeof__ (option) _curl_opt = option; \
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if (__builtin_constant_p(_curl_opt)) { \
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if (_curl_is_long_option(_curl_opt) && !_curl_is_long(value)) \
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_curl_easy_setopt_err_long(); \
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if (_curl_is_off_t_option(_curl_opt) && !_curl_is_off_t(value)) \
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_curl_easy_setopt_err_curl_off_t(); \
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if (_curl_is_string_option(_curl_opt) && !_curl_is_string(value)) \
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_curl_easy_setopt_err_string(); \
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if (_curl_is_write_cb_option(_curl_opt) && !_curl_is_write_cb(value)) \
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_curl_easy_setopt_err_write_callback(); \
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if ((_curl_opt) == CURLOPT_READFUNCTION && !_curl_is_read_cb(value)) \
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_curl_easy_setopt_err_read_cb(); \
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if ((_curl_opt) == CURLOPT_IOCTLFUNCTION && !_curl_is_ioctl_cb(value)) \
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_curl_easy_setopt_err_ioctl_cb(); \
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if ((_curl_opt) == CURLOPT_SOCKOPTFUNCTION && !_curl_is_sockopt_cb(value))\
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_curl_easy_setopt_err_sockopt_cb(); \
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if ((_curl_opt) == CURLOPT_OPENSOCKETFUNCTION && \
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!_curl_is_opensocket_cb(value)) \
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_curl_easy_setopt_err_opensocket_cb(); \
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if ((_curl_opt) == CURLOPT_PROGRESSFUNCTION && \
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!_curl_is_progress_cb(value)) \
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_curl_easy_setopt_err_progress_cb(); \
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if ((_curl_opt) == CURLOPT_DEBUGFUNCTION && !_curl_is_debug_cb(value)) \
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_curl_easy_setopt_err_debug_cb(); \
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if ((_curl_opt) == CURLOPT_SSL_CTX_FUNCTION && \
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!_curl_is_ssl_ctx_cb(value)) \
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_curl_easy_setopt_err_ssl_ctx_cb(); \
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if (_curl_is_conv_cb_option(_curl_opt) && !_curl_is_conv_cb(value)) \
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_curl_easy_setopt_err_conv_cb(); \
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if ((_curl_opt) == CURLOPT_SEEKFUNCTION && !_curl_is_seek_cb(value)) \
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_curl_easy_setopt_err_seek_cb(); \
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if (_curl_is_cb_data_option(_curl_opt) && !_curl_is_cb_data(value)) \
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_curl_easy_setopt_err_cb_data(); \
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if ((_curl_opt) == CURLOPT_ERRORBUFFER && !_curl_is_error_buffer(value)) \
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_curl_easy_setopt_err_error_buffer(); \
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if ((_curl_opt) == CURLOPT_STDERR && !_curl_is_FILE(value)) \
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_curl_easy_setopt_err_FILE(); \
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if (_curl_is_postfields_option(_curl_opt) && !_curl_is_postfields(value)) \
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_curl_easy_setopt_err_postfields(); \
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if ((_curl_opt) == CURLOPT_HTTPPOST && \
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!_curl_is_arr((value), struct curl_httppost)) \
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_curl_easy_setopt_err_curl_httpost(); \
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if (_curl_is_slist_option(_curl_opt) && \
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!_curl_is_arr((value), struct curl_slist)) \
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_curl_easy_setopt_err_curl_slist(); \
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if ((_curl_opt) == CURLOPT_SHARE && !_curl_is_ptr((value), CURLSH)) \
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_curl_easy_setopt_err_CURLSH(); \
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curl_easy_setopt(handle, _curl_opt, value); \
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/* wraps curl_easy_getinfo() with typechecking */
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/* FIXME: don't allow const pointers */
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#define curl_easy_getinfo(handle, info, arg) \
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__typeof__ (info) _curl_info = info; \
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if (__builtin_constant_p(_curl_info)) { \
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if (_curl_is_string_info(_curl_info) && !_curl_is_arr((arg), char *)) \
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_curl_easy_getinfo_err_string(); \
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if (_curl_is_long_info(_curl_info) && !_curl_is_arr((arg), long)) \
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_curl_easy_getinfo_err_long(); \
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if (_curl_is_double_info(_curl_info) && !_curl_is_arr((arg), double)) \
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_curl_easy_getinfo_err_double(); \
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if (_curl_is_slist_info(_curl_info) && \
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!_curl_is_arr((arg), struct curl_slist *)) \
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_curl_easy_getinfo_err_curl_slist(); \
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curl_easy_getinfo(handle, _curl_info, arg); \
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/* TODO: typechecking for curl_share_setopt() and curl_multi_setopt(),
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* for now just make sure that the functions are called with three
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#define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
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#define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
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/* the actual warnings, triggered by calling the _curl_easy_setopt_err*
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/* To define a new warning, use _CURL_WARNING(identifier, "message") */
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#define _CURL_WARNING(id, message) \
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static void __attribute__((warning(message))) __attribute__((unused)) \
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__attribute__((noinline)) id(void) { __asm__(""); }
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_CURL_WARNING(_curl_easy_setopt_err_long,
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"curl_easy_setopt expects a long argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_curl_off_t,
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"curl_easy_setopt expects a curl_off_t argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_string,
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"curl_easy_setopt expects a string (char* or char[]) argument for this option"
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_CURL_WARNING(_curl_easy_setopt_err_write_callback,
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"curl_easy_setopt expects a curl_write_callback argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_read_cb,
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"curl_easy_setopt expects a curl_read_callback argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_ioctl_cb,
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"curl_easy_setopt expects a curl_ioctl_callback argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_sockopt_cb,
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"curl_easy_setopt expects a curl_sockopt_callback argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_opensocket_cb,
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"curl_easy_setopt expects a curl_opensocket_callback argument for this option"
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_CURL_WARNING(_curl_easy_setopt_err_progress_cb,
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"curl_easy_setopt expects a curl_progress_callback argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_debug_cb,
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"curl_easy_setopt expects a curl_debug_callback argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_ssl_ctx_cb,
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"curl_easy_setopt expects a curl_ssl_ctx_callback argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_conv_cb,
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"curl_easy_setopt expects a curl_conv_callback argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_seek_cb,
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"curl_easy_setopt expects a curl_seek_callback argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_cb_data,
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"curl_easy_setopt expects a private data pointer as argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_error_buffer,
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"curl_easy_setopt expects a char buffer of CURL_ERROR_SIZE as argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_FILE,
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"curl_easy_setopt expects a FILE* argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_postfields,
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"curl_easy_setopt expects a void* or char* argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_curl_httpost,
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"curl_easy_setopt expects a struct curl_httppost* argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_curl_slist,
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"curl_easy_setopt expects a struct curl_slist* argument for this option")
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_CURL_WARNING(_curl_easy_setopt_err_CURLSH,
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"curl_easy_setopt expects a CURLSH* argument for this option")
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_CURL_WARNING(_curl_easy_getinfo_err_string,
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"curl_easy_getinfo expects a pointer to char * for this info")
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_CURL_WARNING(_curl_easy_getinfo_err_long,
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"curl_easy_getinfo expects a pointer to long for this info")
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_CURL_WARNING(_curl_easy_getinfo_err_double,
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"curl_easy_getinfo expects a pointer to double for this info")
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_CURL_WARNING(_curl_easy_getinfo_err_curl_slist,
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"curl_easy_getinfo expects a pointer to struct curl_slist * for this info")
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/* groups of curl_easy_setops options that take the same type of argument */
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/* To add a new option to one of the groups, just add
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* (option) == CURLOPT_SOMETHING
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* to the or-expression. If the option takes a long or curl_off_t, you don't
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* have to do anything
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/* evaluates to true if option takes a long argument */
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#define _curl_is_long_option(option) \
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(0 < (option) && (option) < CURLOPTTYPE_OBJECTPOINT)
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#define _curl_is_off_t_option(option) \
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((option) > CURLOPTTYPE_OFF_T)
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/* evaluates to true if option takes a char* argument */
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#define _curl_is_string_option(option) \
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((option) == CURLOPT_URL || \
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(option) == CURLOPT_PROXY || \
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(option) == CURLOPT_INTERFACE || \
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(option) == CURLOPT_NETRC_FILE || \
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(option) == CURLOPT_USERPWD || \
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(option) == CURLOPT_USERNAME || \
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(option) == CURLOPT_PASSWORD || \
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(option) == CURLOPT_PROXYUSERPWD || \
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(option) == CURLOPT_PROXYUSERNAME || \
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(option) == CURLOPT_PROXYPASSWORD || \
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(option) == CURLOPT_NOPROXY || \
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(option) == CURLOPT_ENCODING || \
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(option) == CURLOPT_REFERER || \
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(option) == CURLOPT_USERAGENT || \
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(option) == CURLOPT_COOKIE || \
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(option) == CURLOPT_COOKIEFILE || \
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(option) == CURLOPT_COOKIEJAR || \
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(option) == CURLOPT_COOKIELIST || \
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(option) == CURLOPT_FTPPORT || \
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(option) == CURLOPT_FTP_ALTERNATIVE_TO_USER || \
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(option) == CURLOPT_FTP_ACCOUNT || \
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(option) == CURLOPT_RANGE || \
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(option) == CURLOPT_CUSTOMREQUEST || \
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(option) == CURLOPT_SSLCERT || \
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(option) == CURLOPT_SSLCERTTYPE || \
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(option) == CURLOPT_SSLKEY || \
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(option) == CURLOPT_SSLKEYTYPE || \
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(option) == CURLOPT_KEYPASSWD || \
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(option) == CURLOPT_SSLENGINE || \
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(option) == CURLOPT_CAINFO || \
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(option) == CURLOPT_CAPATH || \
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(option) == CURLOPT_RANDOM_FILE || \
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(option) == CURLOPT_EGDSOCKET || \
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(option) == CURLOPT_SSL_CIPHER_LIST || \
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(option) == CURLOPT_KRBLEVEL || \
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(option) == CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 || \
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(option) == CURLOPT_SSH_PUBLIC_KEYFILE || \
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(option) == CURLOPT_SSH_PRIVATE_KEYFILE || \
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(option) == CURLOPT_CRLFILE || \
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(option) == CURLOPT_ISSUERCERT || \
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/* evaluates to true if option takes a curl_write_callback argument */
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#define _curl_is_write_cb_option(option) \
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((option) == CURLOPT_HEADERFUNCTION || \
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(option) == CURLOPT_WRITEFUNCTION)
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/* evaluates to true if option takes a curl_conv_callback argument */
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#define _curl_is_conv_cb_option(option) \
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((option) == CURLOPT_CONV_TO_NETWORK_FUNCTION || \
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(option) == CURLOPT_CONV_FROM_NETWORK_FUNCTION || \
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(option) == CURLOPT_CONV_FROM_UTF8_FUNCTION)
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/* evaluates to true if option takes a data argument to pass to a callback */
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#define _curl_is_cb_data_option(option) \
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((option) == CURLOPT_WRITEDATA || \
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(option) == CURLOPT_READDATA || \
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(option) == CURLOPT_IOCTLDATA || \
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(option) == CURLOPT_SOCKOPTDATA || \
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(option) == CURLOPT_OPENSOCKETDATA || \
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(option) == CURLOPT_PROGRESSDATA || \
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(option) == CURLOPT_WRITEHEADER || \
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(option) == CURLOPT_DEBUGDATA || \
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(option) == CURLOPT_SSL_CTX_DATA || \
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(option) == CURLOPT_SEEKDATA || \
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(option) == CURLOPT_PRIVATE || \
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/* evaluates to true if option takes a POST data argument (void* or char*) */
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#define _curl_is_postfields_option(option) \
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((option) == CURLOPT_POSTFIELDS || \
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(option) == CURLOPT_COPYPOSTFIELDS || \
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/* evaluates to true if option takes a struct curl_slist * argument */
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#define _curl_is_slist_option(option) \
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((option) == CURLOPT_HTTPHEADER || \
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(option) == CURLOPT_HTTP200ALIASES || \
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(option) == CURLOPT_QUOTE || \
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(option) == CURLOPT_POSTQUOTE || \
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(option) == CURLOPT_PREQUOTE || \
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(option) == CURLOPT_TELNETOPTIONS || \
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/* groups of curl_easy_getinfo infos that take the same type of argument */
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/* evaluates to true if info expects a pointer to char * argument */
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#define _curl_is_string_info(info) \
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(CURLINFO_STRING < (info) && (info) < CURLINFO_LONG)
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/* evaluates to true if info expects a pointer to long argument */
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#define _curl_is_long_info(info) \
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(CURLINFO_LONG < (info) && (info) < CURLINFO_DOUBLE)
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/* evaluates to true if info expects a pointer to double argument */
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#define _curl_is_double_info(info) \
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(CURLINFO_DOUBLE < (info) && (info) < CURLINFO_SLIST)
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/* true if info expects a pointer to struct curl_slist * argument */
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#define _curl_is_slist_info(info) \
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(CURLINFO_SLIST < (info))
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/* typecheck helpers -- check whether given expression has requested type*/
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/* For pointers, you can use the _curl_is_ptr/_curl_is_arr macros,
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* otherwise define a new macro. Search for __builtin_types_compatible_p
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* NOTE: these macros MUST NOT EVALUATE their arguments! The argument is
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* the actual expression passed to the curl_easy_setopt macro. This
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* means that you can only apply the sizeof and __typeof__ operators, no
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/* XXX: should evaluate to true iff expr is a pointer */
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#define _curl_is_any_ptr(expr) \
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(sizeof(expr) == sizeof(void*))
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/* evaluates to true if expr is NULL */
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/* XXX: must not evaluate expr, so this check is not accurate */
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#define _curl_is_NULL(expr) \
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(__builtin_types_compatible_p(__typeof__(expr), __typeof__(NULL)))
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/* evaluates to true if expr is type*, const type* or NULL */
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#define _curl_is_ptr(expr, type) \
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(_curl_is_NULL(expr) || \
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__builtin_types_compatible_p(__typeof__(expr), type *) || \
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__builtin_types_compatible_p(__typeof__(expr), const type *))
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/* evaluates to true if expr is one of type[], type*, NULL or const type* */
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#define _curl_is_arr(expr, type) \
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(_curl_is_ptr((expr), type) || \
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__builtin_types_compatible_p(__typeof__(expr), type []))
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/* evaluates to true if expr is a string */
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#define _curl_is_string(expr) \
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(_curl_is_arr((expr), char) || \
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_curl_is_arr((expr), signed char) || \
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_curl_is_arr((expr), unsigned char))
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/* evaluates to true if expr is a long (no matter the signedness)
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* XXX: for now, int is also accepted (and therefore short and char, which
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* are promoted to int when passed to a variadic function) */
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#define _curl_is_long(expr) \
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(__builtin_types_compatible_p(__typeof__(expr), long) || \
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__builtin_types_compatible_p(__typeof__(expr), signed long) || \
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__builtin_types_compatible_p(__typeof__(expr), unsigned long) || \
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__builtin_types_compatible_p(__typeof__(expr), int) || \
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__builtin_types_compatible_p(__typeof__(expr), signed int) || \
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__builtin_types_compatible_p(__typeof__(expr), unsigned int) || \
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__builtin_types_compatible_p(__typeof__(expr), short) || \
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__builtin_types_compatible_p(__typeof__(expr), signed short) || \
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__builtin_types_compatible_p(__typeof__(expr), unsigned short) || \
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__builtin_types_compatible_p(__typeof__(expr), char) || \
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__builtin_types_compatible_p(__typeof__(expr), signed char) || \
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__builtin_types_compatible_p(__typeof__(expr), unsigned char))
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/* evaluates to true if expr is of type curl_off_t */
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#define _curl_is_off_t(expr) \
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(__builtin_types_compatible_p(__typeof__(expr), curl_off_t))
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/* evaluates to true if expr is abuffer suitable for CURLOPT_ERRORBUFFER */
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/* XXX: also check size of an char[] array? */
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#define _curl_is_error_buffer(expr) \
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(__builtin_types_compatible_p(__typeof__(expr), char *) || \
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__builtin_types_compatible_p(__typeof__(expr), char[]))
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/* evaluates to true if expr is of type (const) void* or (const) FILE* */
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#define _curl_is_cb_data(expr) \
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(_curl_is_ptr((expr), void) || \
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_curl_is_ptr((expr), FILE))
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#else /* be less strict */
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#define _curl_is_cb_data(expr) \
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_curl_is_any_ptr(expr)
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/* evaluates to true if expr is of type FILE* */
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#define _curl_is_FILE(expr) \
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(__builtin_types_compatible_p(__typeof__(expr), FILE *))
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/* evaluates to true if expr can be passed as POST data (void* or char*) */
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#define _curl_is_postfields(expr) \
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(_curl_is_ptr((expr), void) || \
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_curl_is_arr((expr), char))
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/* FIXME: the whole callback checking is messy...
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* The idea is to tolerate char vs. void and const vs. not const
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* pointers in arguments at least
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/* helper: __builtin_types_compatible_p distinguishes between functions and
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* function pointers, hide it */
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#define _curl_callback_compatible(func, type) \
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(__builtin_types_compatible_p(__typeof__(func), type) || \
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__builtin_types_compatible_p(__typeof__(func), type*))
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/* evaluates to true if expr is of type curl_read_callback or "similar" */
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#define _curl_is_read_cb(expr) \
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(_curl_is_NULL(expr) || \
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__builtin_types_compatible_p(__typeof__(expr), __typeof__(fread)) || \
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__builtin_types_compatible_p(__typeof__(expr), curl_read_callback) || \
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_curl_callback_compatible((expr), _curl_read_callback1) || \
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_curl_callback_compatible((expr), _curl_read_callback2) || \
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_curl_callback_compatible((expr), _curl_read_callback3) || \
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_curl_callback_compatible((expr), _curl_read_callback4) || \
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_curl_callback_compatible((expr), _curl_read_callback5) || \
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_curl_callback_compatible((expr), _curl_read_callback6))
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typedef size_t (_curl_read_callback1)(char *, size_t, size_t, void*);
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typedef size_t (_curl_read_callback2)(char *, size_t, size_t, const void*);
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typedef size_t (_curl_read_callback3)(char *, size_t, size_t, FILE*);
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typedef size_t (_curl_read_callback4)(void *, size_t, size_t, void*);
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typedef size_t (_curl_read_callback5)(void *, size_t, size_t, const void*);
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typedef size_t (_curl_read_callback6)(void *, size_t, size_t, FILE*);
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/* evaluates to true if expr is of type curl_write_callback or "similar" */
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#define _curl_is_write_cb(expr) \
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(_curl_is_read_cb(expr) || \
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__builtin_types_compatible_p(__typeof__(expr), __typeof__(fwrite)) || \
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__builtin_types_compatible_p(__typeof__(expr), curl_write_callback) || \
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_curl_callback_compatible((expr), _curl_write_callback1) || \
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_curl_callback_compatible((expr), _curl_write_callback2) || \
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_curl_callback_compatible((expr), _curl_write_callback3) || \
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_curl_callback_compatible((expr), _curl_write_callback4) || \
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_curl_callback_compatible((expr), _curl_write_callback5) || \
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_curl_callback_compatible((expr), _curl_write_callback6))
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typedef size_t (_curl_write_callback1)(const char *, size_t, size_t, void*);
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typedef size_t (_curl_write_callback2)(const char *, size_t, size_t,
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typedef size_t (_curl_write_callback3)(const char *, size_t, size_t, FILE*);
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typedef size_t (_curl_write_callback4)(const void *, size_t, size_t, void*);
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typedef size_t (_curl_write_callback5)(const void *, size_t, size_t,
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typedef size_t (_curl_write_callback6)(const void *, size_t, size_t, FILE*);
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/* evaluates to true if expr is of type curl_ioctl_callback or "similar" */
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#define _curl_is_ioctl_cb(expr) \
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(_curl_is_NULL(expr) || \
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__builtin_types_compatible_p(__typeof__(expr), curl_ioctl_callback) || \
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_curl_callback_compatible((expr), _curl_ioctl_callback1) || \
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_curl_callback_compatible((expr), _curl_ioctl_callback2) || \
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_curl_callback_compatible((expr), _curl_ioctl_callback3) || \
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_curl_callback_compatible((expr), _curl_ioctl_callback4))
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typedef curlioerr (_curl_ioctl_callback1)(CURL *, int, void*);
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typedef curlioerr (_curl_ioctl_callback2)(CURL *, int, const void*);
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typedef curlioerr (_curl_ioctl_callback3)(CURL *, curliocmd, void*);
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typedef curlioerr (_curl_ioctl_callback4)(CURL *, curliocmd, const void*);
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/* evaluates to true if expr is of type curl_sockopt_callback or "similar" */
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#define _curl_is_sockopt_cb(expr) \
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(_curl_is_NULL(expr) || \
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__builtin_types_compatible_p(__typeof__(expr), curl_sockopt_callback) || \
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_curl_callback_compatible((expr), _curl_sockopt_callback1) || \
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_curl_callback_compatible((expr), _curl_sockopt_callback2))
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typedef int (_curl_sockopt_callback1)(void *, curl_socket_t, curlsocktype);
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typedef int (_curl_sockopt_callback2)(const void *, curl_socket_t,
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/* evaluates to true if expr is of type curl_opensocket_callback or "similar" */
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#define _curl_is_opensocket_cb(expr) \
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(_curl_is_NULL(expr) || \
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__builtin_types_compatible_p(__typeof__(expr), curl_opensocket_callback) ||\
455
_curl_callback_compatible((expr), _curl_opensocket_callback1) || \
456
_curl_callback_compatible((expr), _curl_opensocket_callback2) || \
457
_curl_callback_compatible((expr), _curl_opensocket_callback3) || \
458
_curl_callback_compatible((expr), _curl_opensocket_callback4))
459
typedef curl_socket_t (_curl_opensocket_callback1)
460
(void *, curlsocktype, struct curl_sockaddr *);
461
typedef curl_socket_t (_curl_opensocket_callback2)
462
(void *, curlsocktype, const struct curl_sockaddr *);
463
typedef curl_socket_t (_curl_opensocket_callback3)
464
(const void *, curlsocktype, struct curl_sockaddr *);
465
typedef curl_socket_t (_curl_opensocket_callback4)
466
(const void *, curlsocktype, const struct curl_sockaddr *);
468
/* evaluates to true if expr is of type curl_progress_callback or "similar" */
469
#define _curl_is_progress_cb(expr) \
470
(_curl_is_NULL(expr) || \
471
__builtin_types_compatible_p(__typeof__(expr), curl_progress_callback) || \
472
_curl_callback_compatible((expr), _curl_progress_callback1) || \
473
_curl_callback_compatible((expr), _curl_progress_callback2))
474
typedef int (_curl_progress_callback1)(void *,
475
double, double, double, double);
476
typedef int (_curl_progress_callback2)(const void *,
477
double, double, double, double);
479
/* evaluates to true if expr is of type curl_debug_callback or "similar" */
480
#define _curl_is_debug_cb(expr) \
481
(_curl_is_NULL(expr) || \
482
__builtin_types_compatible_p(__typeof__(expr), curl_debug_callback) || \
483
_curl_callback_compatible((expr), _curl_debug_callback1) || \
484
_curl_callback_compatible((expr), _curl_debug_callback2) || \
485
_curl_callback_compatible((expr), _curl_debug_callback3) || \
486
_curl_callback_compatible((expr), _curl_debug_callback4))
487
typedef int (_curl_debug_callback1) (CURL *,
488
curl_infotype, char *, size_t, void *);
489
typedef int (_curl_debug_callback2) (CURL *,
490
curl_infotype, char *, size_t, const void *);
491
typedef int (_curl_debug_callback3) (CURL *,
492
curl_infotype, const char *, size_t, void *);
493
typedef int (_curl_debug_callback4) (CURL *,
494
curl_infotype, const char *, size_t, const void *);
496
/* evaluates to true if expr is of type curl_ssl_ctx_callback or "similar" */
497
/* this is getting even messier... */
498
#define _curl_is_ssl_ctx_cb(expr) \
499
(_curl_is_NULL(expr) || \
500
__builtin_types_compatible_p(__typeof__(expr), curl_ssl_ctx_callback) || \
501
_curl_callback_compatible((expr), _curl_ssl_ctx_callback1) || \
502
_curl_callback_compatible((expr), _curl_ssl_ctx_callback2) || \
503
_curl_callback_compatible((expr), _curl_ssl_ctx_callback3) || \
504
_curl_callback_compatible((expr), _curl_ssl_ctx_callback4) || \
505
_curl_callback_compatible((expr), _curl_ssl_ctx_callback5) || \
506
_curl_callback_compatible((expr), _curl_ssl_ctx_callback6) || \
507
_curl_callback_compatible((expr), _curl_ssl_ctx_callback7) || \
508
_curl_callback_compatible((expr), _curl_ssl_ctx_callback8))
509
typedef CURLcode (_curl_ssl_ctx_callback1)(CURL *, void *, void *);
510
typedef CURLcode (_curl_ssl_ctx_callback2)(CURL *, void *, const void *);
511
typedef CURLcode (_curl_ssl_ctx_callback3)(CURL *, const void *, void *);
512
typedef CURLcode (_curl_ssl_ctx_callback4)(CURL *, const void *, const void *);
514
/* hack: if we included OpenSSL's ssl.h, we know about SSL_CTX
515
* this will of course break if we're included before OpenSSL headers...
517
typedef CURLcode (_curl_ssl_ctx_callback5)(CURL *, SSL_CTX, void *);
518
typedef CURLcode (_curl_ssl_ctx_callback6)(CURL *, SSL_CTX, const void *);
519
typedef CURLcode (_curl_ssl_ctx_callback7)(CURL *, const SSL_CTX, void *);
520
typedef CURLcode (_curl_ssl_ctx_callback8)(CURL *, const SSL_CTX, const void *);
522
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback5;
523
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback6;
524
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback7;
525
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback8;
528
/* evaluates to true if expr is of type curl_conv_callback or "similar" */
529
#define _curl_is_conv_cb(expr) \
530
(_curl_is_NULL(expr) || \
531
__builtin_types_compatible_p(__typeof__(expr), curl_conv_callback) || \
532
_curl_callback_compatible((expr), _curl_conv_callback1) || \
533
_curl_callback_compatible((expr), _curl_conv_callback2) || \
534
_curl_callback_compatible((expr), _curl_conv_callback3) || \
535
_curl_callback_compatible((expr), _curl_conv_callback4))
536
typedef CURLcode (*_curl_conv_callback1)(char *, size_t length);
537
typedef CURLcode (*_curl_conv_callback2)(const char *, size_t length);
538
typedef CURLcode (*_curl_conv_callback3)(void *, size_t length);
539
typedef CURLcode (*_curl_conv_callback4)(const void *, size_t length);
541
/* evaluates to true if expr is of type curl_seek_callback or "similar" */
542
#define _curl_is_seek_cb(expr) \
543
(_curl_is_NULL(expr) || \
544
__builtin_types_compatible_p(__typeof__(expr), curl_seek_callback) || \
545
_curl_callback_compatible((expr), _curl_seek_callback1) || \
546
_curl_callback_compatible((expr), _curl_seek_callback2))
547
typedef CURLcode (*_curl_seek_callback1)(void *, curl_off_t, int);
548
typedef CURLcode (*_curl_seek_callback2)(const void *, curl_off_t, int);
551
#endif /* __CURL_TYPECHECK_GCC_H */
added
removed
3rdparty/gbreakpad/src/third_party/curl/typecheck-gcc.h
