1 #ifndef HEADER_CURL_STRTOOFFT_H 2 #define HEADER_CURL_STRTOOFFT_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al. 11 * 12 * This software is licensed as described in the file COPYING, which 13 * you should have received as part of this distribution. The terms 14 * are also available at http://curl.haxx.se/docs/copyright.html. 15 * 16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 17 * copies of the Software, and permit persons to whom the Software is 18 * furnished to do so, under the terms of the COPYING file. 19 * 20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 21 * KIND, either express or implied. 22 * 23 ***************************************************************************/ 24 25 #include "curl_setup.h" 26 27 /* 28 * Determine which string to integral data type conversion function we use 29 * to implement string conversion to our curl_off_t integral data type. 30 * 31 * Notice that curl_off_t might be 64 or 32 bit wide, and that it might use 32 * an underlying data type which might be 'long', 'int64_t', 'long long' or 33 * '__int64' and more remotely other data types. 34 * 35 * On systems where the size of curl_off_t is greater than the size of 'long' 36 * the conversion function to use is strtoll() if it is available, otherwise, 37 * we emulate its functionality with our own clone. 38 * 39 * On systems where the size of curl_off_t is smaller or equal than the size 40 * of 'long' the conversion function to use is strtol(). 41 */ 42 43 #if (CURL_SIZEOF_CURL_OFF_T > CURL_SIZEOF_LONG) 44 # ifdef HAVE_STRTOLL 45 # define curlx_strtoofft strtoll 46 # else 47 # if defined(_MSC_VER) && (_MSC_VER >= 1300) && (_INTEGRAL_MAX_BITS >= 64) 48 # if defined(_SAL_VERSION) 49 _Check_return_ _CRTIMP __int64 __cdecl _strtoi64( 50 _In_z_ const char *_String, 51 _Out_opt_ _Deref_post_z_ char **_EndPtr, _In_ int _Radix); 52 # else 53 _CRTIMP __int64 __cdecl _strtoi64(const char *_String, 54 char **_EndPtr, int _Radix); 55 # endif 56 # define curlx_strtoofft _strtoi64 57 # else 58 curl_off_t curlx_strtoll(const char *nptr, char **endptr, int base); 59 # define curlx_strtoofft curlx_strtoll 60 # define NEED_CURL_STRTOLL 1 61 # endif 62 # endif 63 #else 64 # define curlx_strtoofft strtol 65 #endif 66 67 #if (CURL_SIZEOF_CURL_OFF_T == 4) 68 # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF) 69 #else 70 /* assume CURL_SIZEOF_CURL_OFF_T == 8 */ 71 # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF) 72 #endif 73 #define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1)) 74 75 #endif /* HEADER_CURL_STRTOOFFT_H */ 76