--- /dev/null
+#ifndef __CURL_TYPECHECK_GCC_H
+#define __CURL_TYPECHECK_GCC_H
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2008, 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.
+ *
+ * $Id$
+ ***************************************************************************/
+
+/* wraps curl_easy_setopt() with typechecking */
+
+/* To add a new kind of warning, add an
+ * if(_curl_is_sometype_option(_curl_opt) && ! _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
+ *
+ * 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) \
+({ \
+ __typeof__ (option) _curl_opt = option; \
+ if (__builtin_constant_p(_curl_opt)) { \
+ if (_curl_is_long_option(_curl_opt) && !_curl_is_long(value)) \
+ _curl_easy_setopt_err_long(); \
+ if (_curl_is_off_t_option(_curl_opt) && !_curl_is_off_t(value)) \
+ _curl_easy_setopt_err_curl_off_t(); \
+ if (_curl_is_string_option(_curl_opt) && !_curl_is_string(value)) \
+ _curl_easy_setopt_err_string(); \
+ if (_curl_is_write_cb_option(_curl_opt) && !_curl_is_write_cb(value)) \
+ _curl_easy_setopt_err_write_callback(); \
+ if ((_curl_opt) == CURLOPT_READFUNCTION && !_curl_is_read_cb(value)) \
+ _curl_easy_setopt_err_read_cb(); \
+ if ((_curl_opt) == CURLOPT_IOCTLFUNCTION && !_curl_is_ioctl_cb(value)) \
+ _curl_easy_setopt_err_ioctl_cb(); \
+ if ((_curl_opt) == CURLOPT_SOCKOPTFUNCTION && !_curl_is_sockopt_cb(value))\
+ _curl_easy_setopt_err_sockopt_cb(); \
+ if ((_curl_opt) == CURLOPT_OPENSOCKETFUNCTION && \
+ !_curl_is_opensocket_cb(value)) \
+ _curl_easy_setopt_err_opensocket_cb(); \
+ if ((_curl_opt) == CURLOPT_PROGRESSFUNCTION && \
+ !_curl_is_progress_cb(value)) \
+ _curl_easy_setopt_err_progress_cb(); \
+ if ((_curl_opt) == CURLOPT_DEBUGFUNCTION && !_curl_is_debug_cb(value)) \
+ _curl_easy_setopt_err_debug_cb(); \
+ if ((_curl_opt) == CURLOPT_SSL_CTX_FUNCTION && \
+ !_curl_is_ssl_ctx_cb(value)) \
+ _curl_easy_setopt_err_ssl_ctx_cb(); \
+ if (_curl_is_conv_cb_option(_curl_opt) && !_curl_is_conv_cb(value)) \
+ _curl_easy_setopt_err_conv_cb(); \
+ if ((_curl_opt) == CURLOPT_SEEKFUNCTION && !_curl_is_seek_cb(value)) \
+ _curl_easy_setopt_err_seek_cb(); \
+ if (_curl_is_cb_data_option(_curl_opt) && !_curl_is_cb_data(value)) \
+ _curl_easy_setopt_err_cb_data(); \
+ if ((_curl_opt) == CURLOPT_ERRORBUFFER && !_curl_is_error_buffer(value)) \
+ _curl_easy_setopt_err_error_buffer(); \
+ if ((_curl_opt) == CURLOPT_STDERR && !_curl_is_FILE(value)) \
+ _curl_easy_setopt_err_FILE(); \
+ if (_curl_is_postfields_option(_curl_opt) && !_curl_is_postfields(value)) \
+ _curl_easy_setopt_err_postfields(); \
+ if ((_curl_opt) == CURLOPT_HTTPPOST && \
+ !_curl_is_ptr((value), struct curl_httppost)) \
+ _curl_easy_setopt_err_curl_httpost(); \
+ if (_curl_is_slist_option(_curl_opt) && \
+ !_curl_is_ptr((value), struct curl_slist)) \
+ _curl_easy_setopt_err_curl_slist(); \
+ if ((_curl_opt) == CURLOPT_SHARE && !_curl_is_ptr((value), CURLSH)) \
+ _curl_easy_setopt_err_CURLSH(); \
+ } \
+ curl_easy_setopt(handle, _curl_opt, value); \
+})
+
+/* 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");
+
+/* groups of 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_PROXYUSERPWD || \
+ (option) == CURLOPT_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 || \
+ 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 || \
+ 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 || \
+ 0)
+
+/* typecheck helpers -- check whether given expression has requested type*/
+
+/* For pointers, you can use the _curl_is_ptr macro, 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) \
+ (__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))
+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 *);
+
+/* 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 */
projects / platform / upstream / curl.git / commitdiff