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annotate mupdf-source/thirdparty/curl/docs/libcurl/curl_global_init_mem.3 @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 .\" **************************************************************************
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2 .\" * _ _ ____ _
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3 .\" * Project ___| | | | _ \| |
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4 .\" * / __| | | | |_) | |
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5 .\" * | (__| |_| | _ <| |___
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6 .\" * \___|\___/|_| \_\_____|
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7 .\" *
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8 .\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 .\" *
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10 .\" * This software is licensed as described in the file COPYING, which
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11 .\" * you should have received as part of this distribution. The terms
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
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13 .\" *
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 .\" * copies of the Software, and permit persons to whom the Software is
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16 .\" * furnished to do so, under the terms of the COPYING file.
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17 .\" *
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 .\" * KIND, either express or implied.
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20 .\" *
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21 .\" **************************************************************************
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22 .TH curl_global_init_mem 3 "10 May 2004" "libcurl 7.12.0" "libcurl Manual"
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23 .SH NAME
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24 curl_global_init_mem - Global libcurl initialisation with memory callbacks
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25 .SH SYNOPSIS
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26 .B #include <curl/curl.h>
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27 .nf
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28 .B "CURLcode curl_global_init_mem(long " flags,
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29 .B " curl_malloc_callback "m,
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30 .B " curl_free_callback "f,
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31 .B " curl_realloc_callback "r,
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32 .B " curl_strdup_callback "s,
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33 .B " curl_calloc_callback "c ");"
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34 .SH DESCRIPTION
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35 This function works exactly as \fIcurl_global_init(3)\fP with one addition: it
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36 allows the application to set callbacks to replace the otherwise used internal
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37 memory functions.
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38
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39 If you are using libcurl from multiple threads or libcurl was built with the
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40 threaded resolver option then the callback functions must be thread safe. The
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41 threaded resolver is a common build option to enable (and in some cases the
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42 default) so we strongly urge you to make your callback functions thread safe.
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43
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44 All callback arguments must be set to valid function pointers. The
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45 prototypes for the given callbacks must match these:
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46 .IP "void *malloc_callback(size_t size);"
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47 To replace malloc()
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48 .IP "void free_callback(void *ptr);"
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49 To replace free()
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50 .IP "void *realloc_callback(void *ptr, size_t size);"
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51 To replace realloc()
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52 .IP "char *strdup_callback(const char *str);"
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53 To replace strdup()
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54 .IP "void *calloc_callback(size_t nmemb, size_t size);"
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55 To replace calloc()
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56 .RE
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57 This function is otherwise the same as \fIcurl_global_init(3)\fP, please refer
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58 to that man page for documentation.
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59 .SH "CAUTION"
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60 Manipulating these gives considerable powers to the application to severely
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61 screw things up for libcurl. Take care!
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62 .SH AVAILABILITY
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63 Added in 7.12.0
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64 .SH "SEE ALSO"
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65 .BR curl_global_init "(3), "
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66 .BR curl_global_cleanup "(3), "