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ae647a7941
In order to better track down cases where we don't exit cleanly and directly on OOM errors, this mode warns if there is another memory operation found *after* the torture limit was reached. runtests sets this strict mode. memdebug adds two new helper functions needed to make this work. curl_dbg_overlook() lets the code mark a memory allocation as fine to not notice and yet do another one after even if this one returns error. curl_dbg_restart() marks the code as - at this point the code ignores the OOM status and it is fine to do another memory call afterwards without it being considered a problem.
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
#ifndef HEADER_CURL_MEMDEBUG_H
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#define HEADER_CURL_MEMDEBUG_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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* 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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#ifdef CURLDEBUG
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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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#undef malloc
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#define malloc(size) curl_dbg_malloc(size, __LINE__, __FILE__)
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#undef calloc
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#define calloc(nbelem,size) curl_dbg_calloc(nbelem, size, __LINE__, __FILE__)
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#undef realloc
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#define realloc(ptr,size) curl_dbg_realloc(ptr, size, __LINE__, __FILE__)
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#undef free
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#define free(ptr) curl_dbg_free(ptr, __LINE__, __FILE__)
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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_dbg_wcsdup(ptr, __LINE__, __FILE__)
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#else
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#define Curl_tcsdup(ptr) curl_dbg_strdup(ptr, __LINE__, __FILE__)
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#endif
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#endif /* _WIN32 */
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#define curl_dbg_overlook(x) curl_dbg_allow(__LINE__, __FILE__, x)
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#define curl_dbg_restart() curl_dbg_clear(__LINE__, __FILE__)
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#endif /* CURLDEBUG */
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#endif /* HEADER_CURL_MEMDEBUG_H */
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