mirror of
https://github.com/moparisthebest/curl
synced 2024-08-13 17:03:50 -04:00
![Marcel Raad](/assets/img/avatar_default.png)
If size_t is 32 bits, MSVC warns: warning C4310: cast truncates constant value The warning is harmless as CURL_MASK_SCOFFT gets truncated to the maximum value of size_t.
547 lines
12 KiB
C
547 lines
12 KiB
C
/***************************************************************************
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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 - 2016, 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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#include "curl_setup.h"
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#if defined(__INTEL_COMPILER) && defined(__unix__)
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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# include <arpa/inet.h>
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#endif
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#endif /* __INTEL_COMPILER && __unix__ */
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#define BUILDING_WARNLESS_C 1
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#include "warnless.h"
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#define CURL_MASK_SCHAR 0x7F
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#define CURL_MASK_UCHAR 0xFF
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#if (SIZEOF_SHORT == 2)
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# define CURL_MASK_SSHORT 0x7FFF
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# define CURL_MASK_USHORT 0xFFFF
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#elif (SIZEOF_SHORT == 4)
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# define CURL_MASK_SSHORT 0x7FFFFFFF
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# define CURL_MASK_USHORT 0xFFFFFFFF
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#elif (SIZEOF_SHORT == 8)
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# define CURL_MASK_SSHORT 0x7FFFFFFFFFFFFFFF
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# define CURL_MASK_USHORT 0xFFFFFFFFFFFFFFFF
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#else
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# error "SIZEOF_SHORT not defined"
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#endif
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#if (SIZEOF_INT == 2)
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# define CURL_MASK_SINT 0x7FFF
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# define CURL_MASK_UINT 0xFFFF
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#elif (SIZEOF_INT == 4)
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# define CURL_MASK_SINT 0x7FFFFFFF
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# define CURL_MASK_UINT 0xFFFFFFFF
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#elif (SIZEOF_INT == 8)
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# define CURL_MASK_SINT 0x7FFFFFFFFFFFFFFF
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# define CURL_MASK_UINT 0xFFFFFFFFFFFFFFFF
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#elif (SIZEOF_INT == 16)
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# define CURL_MASK_SINT 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
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# define CURL_MASK_UINT 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
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#else
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# error "SIZEOF_INT not defined"
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#endif
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#if (CURL_SIZEOF_LONG == 2)
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# define CURL_MASK_SLONG 0x7FFFL
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# define CURL_MASK_ULONG 0xFFFFUL
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#elif (CURL_SIZEOF_LONG == 4)
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# define CURL_MASK_SLONG 0x7FFFFFFFL
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# define CURL_MASK_ULONG 0xFFFFFFFFUL
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#elif (CURL_SIZEOF_LONG == 8)
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# define CURL_MASK_SLONG 0x7FFFFFFFFFFFFFFFL
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# define CURL_MASK_ULONG 0xFFFFFFFFFFFFFFFFUL
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#elif (CURL_SIZEOF_LONG == 16)
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# define CURL_MASK_SLONG 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFL
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# define CURL_MASK_ULONG 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFUL
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#else
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# error "CURL_SIZEOF_LONG not defined"
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#endif
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#if (CURL_SIZEOF_CURL_OFF_T == 2)
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# define CURL_MASK_SCOFFT CURL_OFF_T_C(0x7FFF)
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# define CURL_MASK_UCOFFT CURL_OFF_TU_C(0xFFFF)
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#elif (CURL_SIZEOF_CURL_OFF_T == 4)
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# define CURL_MASK_SCOFFT CURL_OFF_T_C(0x7FFFFFFF)
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# define CURL_MASK_UCOFFT CURL_OFF_TU_C(0xFFFFFFFF)
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#elif (CURL_SIZEOF_CURL_OFF_T == 8)
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# define CURL_MASK_SCOFFT CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
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# define CURL_MASK_UCOFFT CURL_OFF_TU_C(0xFFFFFFFFFFFFFFFF)
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#elif (CURL_SIZEOF_CURL_OFF_T == 16)
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# define CURL_MASK_SCOFFT CURL_OFF_T_C(0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)
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# define CURL_MASK_UCOFFT CURL_OFF_TU_C(0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)
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#else
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# error "CURL_SIZEOF_CURL_OFF_T not defined"
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#endif
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#if (SIZEOF_SIZE_T == SIZEOF_SHORT)
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# define CURL_MASK_SSIZE_T CURL_MASK_SSHORT
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# define CURL_MASK_USIZE_T CURL_MASK_USHORT
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#elif (SIZEOF_SIZE_T == SIZEOF_INT)
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# define CURL_MASK_SSIZE_T CURL_MASK_SINT
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# define CURL_MASK_USIZE_T CURL_MASK_UINT
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#elif (SIZEOF_SIZE_T == CURL_SIZEOF_LONG)
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# define CURL_MASK_SSIZE_T CURL_MASK_SLONG
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# define CURL_MASK_USIZE_T CURL_MASK_ULONG
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#elif (SIZEOF_SIZE_T == CURL_SIZEOF_CURL_OFF_T)
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# define CURL_MASK_SSIZE_T CURL_MASK_SCOFFT
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# define CURL_MASK_USIZE_T CURL_MASK_UCOFFT
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#else
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# error "SIZEOF_SIZE_T not defined"
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#endif
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/*
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** unsigned long to unsigned short
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*/
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unsigned short curlx_ultous(unsigned long ulnum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(ulnum <= (unsigned long) CURL_MASK_USHORT);
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return (unsigned short)(ulnum & (unsigned long) CURL_MASK_USHORT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned long to unsigned char
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*/
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unsigned char curlx_ultouc(unsigned long ulnum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(ulnum <= (unsigned long) CURL_MASK_UCHAR);
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return (unsigned char)(ulnum & (unsigned long) CURL_MASK_UCHAR);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned long to signed int
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*/
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int curlx_ultosi(unsigned long ulnum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(ulnum <= (unsigned long) CURL_MASK_SINT);
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return (int)(ulnum & (unsigned long) CURL_MASK_SINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned size_t to signed curl_off_t
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*/
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curl_off_t curlx_uztoso(size_t uznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#elif defined(_MSC_VER)
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# pragma warning(push)
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# pragma warning(disable:4310) /* cast truncates constant value */
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#endif
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DEBUGASSERT(uznum <= (size_t) CURL_MASK_SCOFFT);
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return (curl_off_t)(uznum & (size_t) CURL_MASK_SCOFFT);
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#if defined(__INTEL_COMPILER) || defined(_MSC_VER)
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned size_t to signed int
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*/
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int curlx_uztosi(size_t uznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(uznum <= (size_t) CURL_MASK_SINT);
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return (int)(uznum & (size_t) CURL_MASK_SINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned size_t to unsigned long
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*/
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unsigned long curlx_uztoul(size_t uznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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#if (CURL_SIZEOF_LONG < SIZEOF_SIZE_T)
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DEBUGASSERT(uznum <= (size_t) CURL_MASK_ULONG);
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#endif
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return (unsigned long)(uznum & (size_t) CURL_MASK_ULONG);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned size_t to unsigned int
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*/
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unsigned int curlx_uztoui(size_t uznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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#if (SIZEOF_INT < SIZEOF_SIZE_T)
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DEBUGASSERT(uznum <= (size_t) CURL_MASK_UINT);
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#endif
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return (unsigned int)(uznum & (size_t) CURL_MASK_UINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed long to signed int
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*/
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int curlx_sltosi(long slnum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(slnum >= 0);
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#if (SIZEOF_INT < CURL_SIZEOF_LONG)
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DEBUGASSERT((unsigned long) slnum <= (unsigned long) CURL_MASK_SINT);
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#endif
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return (int)(slnum & (long) CURL_MASK_SINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed long to unsigned int
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*/
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unsigned int curlx_sltoui(long slnum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(slnum >= 0);
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#if (SIZEOF_INT < CURL_SIZEOF_LONG)
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DEBUGASSERT((unsigned long) slnum <= (unsigned long) CURL_MASK_UINT);
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#endif
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return (unsigned int)(slnum & (long) CURL_MASK_UINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed long to unsigned short
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*/
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unsigned short curlx_sltous(long slnum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(slnum >= 0);
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DEBUGASSERT((unsigned long) slnum <= (unsigned long) CURL_MASK_USHORT);
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return (unsigned short)(slnum & (long) CURL_MASK_USHORT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned size_t to signed ssize_t
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*/
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ssize_t curlx_uztosz(size_t uznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(uznum <= (size_t) CURL_MASK_SSIZE_T);
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return (ssize_t)(uznum & (size_t) CURL_MASK_SSIZE_T);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed curl_off_t to unsigned size_t
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*/
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size_t curlx_sotouz(curl_off_t sonum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(sonum >= 0);
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return (size_t)(sonum & (curl_off_t) CURL_MASK_USIZE_T);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed ssize_t to signed int
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*/
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int curlx_sztosi(ssize_t sznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(sznum >= 0);
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#if (SIZEOF_INT < SIZEOF_SIZE_T)
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DEBUGASSERT((size_t) sznum <= (size_t) CURL_MASK_SINT);
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#endif
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return (int)(sznum & (ssize_t) CURL_MASK_SINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned int to unsigned short
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*/
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unsigned short curlx_uitous(unsigned int uinum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(uinum <= (unsigned int) CURL_MASK_USHORT);
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return (unsigned short) (uinum & (unsigned int) CURL_MASK_USHORT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned int to unsigned char
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*/
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unsigned char curlx_uitouc(unsigned int uinum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(uinum <= (unsigned int) CURL_MASK_UCHAR);
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return (unsigned char) (uinum & (unsigned int) CURL_MASK_UCHAR);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned int to signed int
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*/
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int curlx_uitosi(unsigned int uinum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(uinum <= (unsigned int) CURL_MASK_SINT);
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return (int) (uinum & (unsigned int) CURL_MASK_SINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed int to unsigned size_t
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*/
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size_t curlx_sitouz(int sinum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(sinum >= 0);
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return (size_t) sinum;
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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#ifdef USE_WINSOCK
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/*
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** curl_socket_t to signed int
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*/
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int curlx_sktosi(curl_socket_t s)
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{
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return (int)((ssize_t) s);
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}
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/*
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** signed int to curl_socket_t
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*/
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curl_socket_t curlx_sitosk(int i)
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{
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return (curl_socket_t)((ssize_t) i);
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}
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#endif /* USE_WINSOCK */
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#if defined(WIN32) || defined(_WIN32)
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ssize_t curlx_read(int fd, void *buf, size_t count)
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{
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return (ssize_t)read(fd, buf, curlx_uztoui(count));
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}
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ssize_t curlx_write(int fd, const void *buf, size_t count)
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{
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return (ssize_t)write(fd, buf, curlx_uztoui(count));
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}
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#endif /* WIN32 || _WIN32 */
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#if defined(__INTEL_COMPILER) && defined(__unix__)
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int curlx_FD_ISSET(int fd, fd_set *fdset)
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{
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#pragma warning(push)
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#pragma warning(disable:1469) /* clobber ignored */
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return FD_ISSET(fd, fdset);
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#pragma warning(pop)
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}
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void curlx_FD_SET(int fd, fd_set *fdset)
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{
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#pragma warning(push)
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#pragma warning(disable:1469) /* clobber ignored */
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FD_SET(fd, fdset);
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#pragma warning(pop)
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}
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void curlx_FD_ZERO(fd_set *fdset)
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{
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#pragma warning(push)
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#pragma warning(disable:593) /* variable was set but never used */
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FD_ZERO(fdset);
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#pragma warning(pop)
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}
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unsigned short curlx_htons(unsigned short usnum)
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{
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#if (__INTEL_COMPILER == 910) && defined(__i386__)
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return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));
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#else
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#pragma warning(push)
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#pragma warning(disable:810) /* conversion may lose significant bits */
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return htons(usnum);
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#pragma warning(pop)
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#endif
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}
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unsigned short curlx_ntohs(unsigned short usnum)
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{
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#if (__INTEL_COMPILER == 910) && defined(__i386__)
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return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));
|
|
#else
|
|
#pragma warning(push)
|
|
#pragma warning(disable:810) /* conversion may lose significant bits */
|
|
return ntohs(usnum);
|
|
#pragma warning(pop)
|
|
#endif
|
|
}
|
|
|
|
#endif /* __INTEL_COMPILER && __unix__ */
|