1 #ifndef _CURL_STRTOOFFT_H 2 #define _CURL_STRTOOFFT_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 1998 - 2008, 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 * $Id: strtoofft.h,v 1.22 2008-08-21 06:58:13 yangtse Exp $ 24 ***************************************************************************/ 25 26 #include "setup.h" 27 28 /* 29 * Determine which string to integral data type conversion function we use 30 * to implement string conversion to our curl_off_t integral data type. 31 * 32 * Notice that curl_off_t might be 64 or 32 bit wide, and that it might use 33 * an undelying data type which might be 'long', 'int64_t', 'long long' or 34 * '__int64' and more remotely other data types. 35 * 36 * On systems where the size of curl_off_t is greater than the size of 'long' 37 * the conversion funtion to use is strtoll() if it is available, otherwise, 38 * we emulate its functionality with our own clone. 39 * 40 * On systems where the size of curl_off_t is smaller or equal than the size 41 * of 'long' the conversion funtion to use is strtol(). 42 */ 43 44 #if (CURL_SIZEOF_CURL_OFF_T > CURL_SIZEOF_LONG) 45 # ifdef HAVE_STRTOLL 46 # define curlx_strtoofft strtoll 47 # else 48 # if defined(_MSC_VER) && (_MSC_VER >= 1300) && (_INTEGRAL_MAX_BITS >= 64) 49 _CRTIMP __int64 __cdecl _strtoi64(const char *, char **, int); 50 # define curlx_strtoofft _strtoi64 51 # else 52 curl_off_t curlx_strtoll(const char *nptr, char **endptr, int base); 53 # define curlx_strtoofft curlx_strtoll 54 # define NEED_CURL_STRTOLL 1 55 # endif 56 # endif 57 #else 58 # define curlx_strtoofft strtol 59 #endif 60 61 #define CURL_LLONG_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF) 62 #define CURL_LLONG_MIN (-CURL_LLONG_MAX - CURL_OFF_T_C(1)) 63 64 #endif 65 66