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crunch: use _FILE_OFFSET_BITS 64 with fopen/fseek/ftell outside of Linux #38

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Merged
merged 1 commit into from
Feb 14, 2023
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crunch: use _FILE_OFFSET_BITS 64 with fopen/fseek/ftell outside of Linux #38

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8 changes: 7 additions & 1 deletion crnlib/crn_platform.h
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Original file line number Diff line number Diff line change
Expand Up @@ -18,10 +18,16 @@ const bool c_crnlib_little_endian_platform = false;

const bool c_crnlib_big_endian_platform = !c_crnlib_little_endian_platform;

#if defined(__GNUC__) && !defined(__APPLE__)
#if defined(__linux__)
#define crn_fopen(pDstFile, f, m) *(pDstFile) = fopen64(f, m)
#define crn_fseek fseeko64
#define crn_ftell ftello64
#elif defined(__GNUC__)
// This should be defined before including any header.
#define _FILE_OFFSET_BITS 64
#define crn_fopen(pDstFile, f, m) *(pDstFile) = fopen(f, m)
#define crn_fseek fseeko
#define crn_ftell ftello
#elif defined(_MSC_VER)
#define crn_fopen(pDstFile, f, m) fopen_s(pDstFile, f, m)
#define crn_fseek _fseeki64
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