mirror of
https://github.com/moparisthebest/curl
synced 2024-11-05 00:55:04 -05:00
9c1806ae46
- Disable warning C4127 "conditional expression is constant" globally
in curl_setup.h for when building with Microsoft's compiler.
This mainly affects building with the Visual Studio project files found
in the projects dir.
Prior to this change the cmake and winbuild build systems already
disabled 4127 globally for when building with Microsoft's compiler.
Also, 4127 was already disabled for all build systems in the limited
circumstance of the WHILE_FALSE macro which disabled the warning
specifically for while(0). This commit removes the WHILE_FALSE macro and
all other cruft in favor of disabling globally in curl_setup.
Background:
We have various macros that cause 0 or 1 to be evaluated, which would
cause warning C4127 in Visual Studio. For example this causes it:
#define Curl_resolver_asynch() 1
Full behavior is not clearly defined and inconsistent across versions.
However it is documented that since VS 2015 Update 3 Microsoft has
addressed this somewhat but not entirely, not warning on while(true) for
example.
Prior to this change some C4127 warnings occurred when I built with
Visual Studio using the generated projects in the projects dir.
Closes https://github.com/curl/curl/pull/4658
175 lines
6.8 KiB
C
175 lines
6.8 KiB
C
#ifndef HEADER_CURL_MEMDEBUG_H
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#define HEADER_CURL_MEMDEBUG_H
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#ifdef CURLDEBUG
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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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 https://curl.haxx.se/docs/copyright.html.
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*
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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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*
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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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*
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***************************************************************************/
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/*
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* CAUTION: this header is designed to work when included by the app-side
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* as well as the library. Do not mix with library internals!
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*/
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#define CURL_MT_LOGFNAME_BUFSIZE 512
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extern FILE *curl_dbg_logfile;
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/* memory functions */
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CURL_EXTERN void *curl_dbg_malloc(size_t size, int line, const char *source);
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CURL_EXTERN void *curl_dbg_calloc(size_t elements, size_t size, int line,
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const char *source);
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CURL_EXTERN void *curl_dbg_realloc(void *ptr, size_t size, int line,
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const char *source);
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CURL_EXTERN void curl_dbg_free(void *ptr, int line, const char *source);
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CURL_EXTERN char *curl_dbg_strdup(const char *str, int line, const char *src);
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#if defined(WIN32) && defined(UNICODE)
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CURL_EXTERN wchar_t *curl_dbg_wcsdup(const wchar_t *str, int line,
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const char *source);
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#endif
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CURL_EXTERN void curl_dbg_memdebug(const char *logname);
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CURL_EXTERN void curl_dbg_memlimit(long limit);
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CURL_EXTERN void curl_dbg_log(const char *format, ...);
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/* file descriptor manipulators */
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CURL_EXTERN curl_socket_t curl_dbg_socket(int domain, int type, int protocol,
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int line, const char *source);
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CURL_EXTERN void curl_dbg_mark_sclose(curl_socket_t sockfd,
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int line, const char *source);
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CURL_EXTERN int curl_dbg_sclose(curl_socket_t sockfd,
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int line, const char *source);
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CURL_EXTERN curl_socket_t curl_dbg_accept(curl_socket_t s, void *a, void *alen,
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int line, const char *source);
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#ifdef HAVE_SOCKETPAIR
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CURL_EXTERN int curl_dbg_socketpair(int domain, int type, int protocol,
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curl_socket_t socket_vector[2],
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int line, const char *source);
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#endif
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/* send/receive sockets */
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CURL_EXTERN SEND_TYPE_RETV curl_dbg_send(SEND_TYPE_ARG1 sockfd,
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SEND_QUAL_ARG2 SEND_TYPE_ARG2 buf,
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SEND_TYPE_ARG3 len,
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SEND_TYPE_ARG4 flags, int line,
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const char *source);
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CURL_EXTERN RECV_TYPE_RETV curl_dbg_recv(RECV_TYPE_ARG1 sockfd,
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RECV_TYPE_ARG2 buf,
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RECV_TYPE_ARG3 len,
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RECV_TYPE_ARG4 flags, int line,
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const char *source);
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/* FILE functions */
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CURL_EXTERN FILE *curl_dbg_fopen(const char *file, const char *mode, int line,
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const char *source);
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CURL_EXTERN int curl_dbg_fclose(FILE *file, int line, const char *source);
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#ifndef MEMDEBUG_NODEFINES
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/* Set this symbol on the command-line, recompile all lib-sources */
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#undef strdup
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#define strdup(ptr) curl_dbg_strdup(ptr, __LINE__, __FILE__)
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#define malloc(size) curl_dbg_malloc(size, __LINE__, __FILE__)
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#define calloc(nbelem,size) curl_dbg_calloc(nbelem, size, __LINE__, __FILE__)
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#define realloc(ptr,size) curl_dbg_realloc(ptr, size, __LINE__, __FILE__)
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#define free(ptr) curl_dbg_free(ptr, __LINE__, __FILE__)
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#define send(a,b,c,d) curl_dbg_send(a,b,c,d, __LINE__, __FILE__)
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#define recv(a,b,c,d) curl_dbg_recv(a,b,c,d, __LINE__, __FILE__)
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#ifdef WIN32
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# ifdef UNICODE
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# undef wcsdup
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# define wcsdup(ptr) curl_dbg_wcsdup(ptr, __LINE__, __FILE__)
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# undef _wcsdup
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# define _wcsdup(ptr) curl_dbg_wcsdup(ptr, __LINE__, __FILE__)
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# undef _tcsdup
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# define _tcsdup(ptr) curl_dbg_wcsdup(ptr, __LINE__, __FILE__)
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# else
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# undef _tcsdup
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# define _tcsdup(ptr) curl_dbg_strdup(ptr, __LINE__, __FILE__)
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# endif
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#endif
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#undef socket
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#define socket(domain,type,protocol)\
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curl_dbg_socket(domain, type, protocol, __LINE__, __FILE__)
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#undef accept /* for those with accept as a macro */
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#define accept(sock,addr,len)\
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curl_dbg_accept(sock, addr, len, __LINE__, __FILE__)
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#ifdef HAVE_SOCKETPAIR
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#define socketpair(domain,type,protocol,socket_vector)\
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curl_dbg_socketpair(domain, type, protocol, socket_vector, __LINE__, __FILE__)
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#endif
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#ifdef HAVE_GETADDRINFO
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#if defined(getaddrinfo) && defined(__osf__)
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/* OSF/1 and Tru64 have getaddrinfo as a define already, so we cannot define
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our macro as for other platforms. Instead, we redefine the new name they
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define getaddrinfo to become! */
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#define ogetaddrinfo(host,serv,hint,res) \
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curl_dbg_getaddrinfo(host, serv, hint, res, __LINE__, __FILE__)
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#else
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#undef getaddrinfo
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#define getaddrinfo(host,serv,hint,res) \
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curl_dbg_getaddrinfo(host, serv, hint, res, __LINE__, __FILE__)
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#endif
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#endif /* HAVE_GETADDRINFO */
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#ifdef HAVE_FREEADDRINFO
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#undef freeaddrinfo
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#define freeaddrinfo(data) \
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curl_dbg_freeaddrinfo(data, __LINE__, __FILE__)
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#endif /* HAVE_FREEADDRINFO */
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/* sclose is probably already defined, redefine it! */
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#undef sclose
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#define sclose(sockfd) curl_dbg_sclose(sockfd,__LINE__,__FILE__)
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#define fake_sclose(sockfd) curl_dbg_mark_sclose(sockfd,__LINE__,__FILE__)
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#undef fopen
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#define fopen(file,mode) curl_dbg_fopen(file,mode,__LINE__,__FILE__)
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#undef fdopen
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#define fdopen(file,mode) curl_dbg_fdopen(file,mode,__LINE__,__FILE__)
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#define fclose(file) curl_dbg_fclose(file,__LINE__,__FILE__)
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#endif /* MEMDEBUG_NODEFINES */
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#endif /* CURLDEBUG */
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/*
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** Following section applies even when CURLDEBUG is not defined.
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*/
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#ifndef fake_sclose
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#define fake_sclose(x) Curl_nop_stmt
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#endif
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/*
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* Curl_safefree defined as a macro to allow MemoryTracking feature
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* to log free() calls at same location where Curl_safefree is used.
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* This macro also assigns NULL to given pointer when free'd.
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*/
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#define Curl_safefree(ptr) \
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do { free((ptr)); (ptr) = NULL;} while(0)
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#endif /* HEADER_CURL_MEMDEBUG_H */
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