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ad26a6cb99
To avoid hitting `-Wreserved-macro-identifier` where possible. - amigaos: introduce local macro instead of reusing `__request()`. - easy_lock: avoid redefining `__has_builtin()`. Follow-up to33fd57b8ff#9062 - rand: drop interim macro `_random()`. - windows: rename local macro `_tcsdup()` to `Curl_tcsdup()`. To avoid using the reserved macro namespace and to avoid colliding with `_tcsdup()` as defined by Windows headers. - checksrc: ban `_tcsdup()` in favor of `Curl_tcsdup()`. - tool_doswin: avoid redefining `_use_lfn()` (MS-DOS). - tool_findfile: limit `__NO_NET_API` hack to AmigaOS. Syncing this pattern with `lib/netrc.c`. Follow-up to784a8ec2c1#16279 - examples/http2-upload: avoid reserved namespace for local macro. More cases will be removed when dropping WinCE support via #17927. Cases remain when defining external macros out of curl's control. Ref: #18477 Closes #18482
90 lines
3.2 KiB
C
90 lines
3.2 KiB
C
#ifndef HEADER_CURL_MEMORY_H
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#define HEADER_CURL_MEMORY_H
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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) 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.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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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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/*
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* Nasty internal details ahead...
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*
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* File curl_memory.h must be included by _all_ *.c source files
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* that use memory related functions strdup, malloc, calloc, realloc
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* or free, and given source file is used to build libcurl library.
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* It should be included immediately before memdebug.h as the last files
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* included to avoid undesired interaction with other memory function
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* headers in dependent libraries.
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*
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* There is nearly no exception to above rule. All libcurl source
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* files in 'lib' subdirectory as well as those living deep inside
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* 'packages' subdirectories and linked together in order to build
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* libcurl library shall follow it.
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*
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* File lib/strdup.c is an exception, given that it provides a strdup
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* clone implementation while using malloc. Extra care needed inside
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* this one.
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*
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* The need for curl_memory.h inclusion is due to libcurl's feature
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* of allowing library user to provide memory replacement functions,
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* memory callbacks, at runtime with curl_global_init_mem()
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*
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* Any *.c source file used to build libcurl library that does not
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* include curl_memory.h and uses any memory function of the five
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* mentioned above will compile without any indication, but it will
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* trigger weird memory related issues at runtime.
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*
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*/
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#ifndef CURLDEBUG
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/*
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* libcurl's 'memory tracking' system defines strdup, malloc, calloc,
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* realloc and free, along with others, in memdebug.h in a different
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* way although still using memory callbacks forward declared above.
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* When using the 'memory tracking' system (CURLDEBUG defined) we do
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* not define here the five memory functions given that definitions
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* from memdebug.h are the ones that shall be used.
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*/
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#undef strdup
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#define strdup(ptr) Curl_cstrdup(ptr)
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#undef malloc
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#define malloc(size) Curl_cmalloc(size)
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#undef calloc
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#define calloc(nbelem,size) Curl_ccalloc(nbelem, size)
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#undef realloc
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#define realloc(ptr,size) Curl_crealloc(ptr, size)
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#undef free
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#define free(ptr) Curl_cfree(ptr)
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#ifdef _WIN32
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#undef Curl_tcsdup
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#ifdef UNICODE
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#define Curl_tcsdup(ptr) Curl_wcsdup(ptr)
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#else
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#define Curl_tcsdup(ptr) Curl_cstrdup(ptr)
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#endif
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#endif /* _WIN32 */
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#endif /* CURLDEBUG */
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#endif /* HEADER_CURL_MEMORY_H */
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