76 lines
2.9 KiB
C
76 lines
2.9 KiB
C
#ifndef HEADER_CURL_STRTOOFFT_H
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#define HEADER_CURL_STRTOOFFT_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) 1998 - 2014, 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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/*
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* Determine which string to integral data type conversion function we use
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* to implement string conversion to our curl_off_t integral data type.
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*
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* Notice that curl_off_t might be 64 or 32 bit wide, and that it might use
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* an underlying data type which might be 'long', 'int64_t', 'long long' or
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* '__int64' and more remotely other data types.
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*
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* On systems where the size of curl_off_t is greater than the size of 'long'
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* the conversion function to use is strtoll() if it is available, otherwise,
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* we emulate its functionality with our own clone.
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*
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* On systems where the size of curl_off_t is smaller or equal than the size
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* of 'long' the conversion function to use is strtol().
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*/
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#if (CURL_SIZEOF_CURL_OFF_T > CURL_SIZEOF_LONG)
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# ifdef HAVE_STRTOLL
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# define curlx_strtoofft strtoll
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# else
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# if defined(_MSC_VER) && (_MSC_VER >= 1300) && (_INTEGRAL_MAX_BITS >= 64)
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# if defined(_SAL_VERSION)
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_Check_return_ _CRTIMP __int64 __cdecl _strtoi64(
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_In_z_ const char *_String,
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_Out_opt_ _Deref_post_z_ char **_EndPtr, _In_ int _Radix);
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# else
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_CRTIMP __int64 __cdecl _strtoi64(const char *_String,
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char **_EndPtr, int _Radix);
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# endif
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# define curlx_strtoofft _strtoi64
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# else
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curl_off_t curlx_strtoll(const char *nptr, char **endptr, int base);
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# define curlx_strtoofft curlx_strtoll
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# define NEED_CURL_STRTOLL 1
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# endif
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# endif
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#else
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# define curlx_strtoofft strtol
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#endif
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#if (CURL_SIZEOF_CURL_OFF_T == 4)
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# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
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#else
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/* assume CURL_SIZEOF_CURL_OFF_T == 8 */
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# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
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#endif
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#define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
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#endif /* HEADER_CURL_STRTOOFFT_H */
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