00001 #ifndef HEADER_CURL_STRTOOFFT_H 00002 #define HEADER_CURL_STRTOOFFT_H 00003 /*************************************************************************** 00004 * _ _ ____ _ 00005 * Project ___| | | | _ \| | 00006 * / __| | | | |_) | | 00007 * | (__| |_| | _ <| |___ 00008 * \___|\___/|_| \_\_____| 00009 * 00010 * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al. 00011 * 00012 * This software is licensed as described in the file COPYING, which 00013 * you should have received as part of this distribution. The terms 00014 * are also available at https://curl.haxx.se/docs/copyright.html. 00015 * 00016 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 00017 * copies of the Software, and permit persons to whom the Software is 00018 * furnished to do so, under the terms of the COPYING file. 00019 * 00020 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 00021 * KIND, either express or implied. 00022 * 00023 ***************************************************************************/ 00024 00025 #include "curl_setup.h" 00026 00027 /* 00028 * Determine which string to integral data type conversion function we use 00029 * to implement string conversion to our curl_off_t integral data type. 00030 * 00031 * Notice that curl_off_t might be 64 or 32 bit wide, and that it might use 00032 * an underlying data type which might be 'long', 'int64_t', 'long long' or 00033 * '__int64' and more remotely other data types. 00034 * 00035 * On systems where the size of curl_off_t is greater than the size of 'long' 00036 * the conversion function to use is strtoll() if it is available, otherwise, 00037 * we emulate its functionality with our own clone. 00038 * 00039 * On systems where the size of curl_off_t is smaller or equal than the size 00040 * of 'long' the conversion function to use is strtol(). 00041 */ 00042 00043 #if (CURL_SIZEOF_CURL_OFF_T > CURL_SIZEOF_LONG) 00044 # ifdef HAVE_STRTOLL 00045 # define curlx_strtoofft strtoll 00046 # else 00047 # if defined(_MSC_VER) && (_MSC_VER >= 1300) && (_INTEGRAL_MAX_BITS >= 64) 00048 # if defined(_SAL_VERSION) 00049 _Check_return_ _CRTIMP __int64 __cdecl _strtoi64( 00050 _In_z_ const char *_String, 00051 _Out_opt_ _Deref_post_z_ char **_EndPtr, _In_ int _Radix); 00052 # else 00053 _CRTIMP __int64 __cdecl _strtoi64(const char *_String, 00054 char **_EndPtr, int _Radix); 00055 # endif 00056 # define curlx_strtoofft _strtoi64 00057 # else 00058 curl_off_t curlx_strtoll(const char *nptr, char **endptr, int base); 00059 # define curlx_strtoofft curlx_strtoll 00060 # define NEED_CURL_STRTOLL 1 00061 # endif 00062 # endif 00063 #else 00064 # define curlx_strtoofft strtol 00065 #endif 00066 00067 #if (CURL_SIZEOF_CURL_OFF_T == 4) 00068 # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF) 00069 #else 00070 /* assume CURL_SIZEOF_CURL_OFF_T == 8 */ 00071 # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF) 00072 #endif 00073 #define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1)) 00074 00075 #endif /* HEADER_CURL_STRTOOFFT_H */