Basic file open/close/read implemented in Unix
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31
dqn.h
31
dqn.h
@ -859,7 +859,7 @@ DQN_FILE_SCOPE bool DqnFile_OpenW(const wchar_t *const path, DqnFile *const fi
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DQN_FILE_SCOPE size_t DqnFile_Write(const DqnFile *const file, const u8 *const buffer, const size_t numBytesToWrite, const size_t fileOffset);
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// Return the number of bytes read
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DQN_FILE_SCOPE size_t DqnFile_Read (const DqnFile file, const u8 *const buffer, const size_t numBytesToRead);
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DQN_FILE_SCOPE size_t DqnFile_Read (const DqnFile file, u8 *const buffer, const size_t numBytesToRead);
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DQN_FILE_SCOPE void DqnFile_Close(DqnFile *const file);
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// Return an array of strings of the files in the directory in UTF-8. numFiles
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@ -3732,13 +3732,13 @@ DQN_FILE_SCOPE size_t DqnFile_Write(const DqnFile *const file,
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return numBytesWritten;
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}
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DQN_FILE_SCOPE size_t DqnFile_Read(const DqnFile file, const u8 *const buffer,
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DQN_FILE_SCOPE size_t DqnFile_Read(DqnFile file, u8 *const buffer,
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const size_t numBytesToRead)
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{
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size_t numBytesRead = 0;
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#ifdef DQN_WIN32_PLATFORM
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if (file.handle && buffer)
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{
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#if defined(DQN_WIN32_PLATFORM)
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DWORD bytesToRead = (DWORD)numBytesToRead;
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DWORD bytesRead = 0;
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HANDLE win32Handle = file.handle;
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@ -3753,24 +3753,39 @@ DQN_FILE_SCOPE size_t DqnFile_Read(const DqnFile file, const u8 *const buffer,
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DQN_WIN32_ERROR_BOX("ReadFile() failed.", NULL);
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}
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}
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#elif defined(DQN_UNIX_PLATFORM)
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// TODO(doyle): Syscall version
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const size_t ITEMS_TO_READ = 1;
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if (fread(buffer, numBytesToRead, ITEMS_TO_READ, (FILE *)file.handle) ==
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ITEMS_TO_READ)
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{
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rewind((FILE *)file.handle);
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numBytesRead = ITEMS_TO_READ * numBytesToRead;
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}
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else
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{
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// TODO(doyle): Logging, failed read
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}
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#else
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DQN_ASSERT_MSG(DQN_INVALID_CODE_PATH, "Non Win32/Unix path not implemented");
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#endif
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}
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return numBytesRead;
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}
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DQN_FILE_SCOPE void DqnFile_Close(DqnFile *const file)
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{
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#ifdef DQN_WIN32_PLATFORM
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if (file && file->handle)
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{
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#if defined(DQN_WIN32_PLATFORM)
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CloseHandle(file->handle);
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#elif defined(DQN_UNIX_PLATFORM)
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fclose((FILE *)file->handle);
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#endif
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file->handle = NULL;
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file->size = 0;
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file->permissionFlags = 0;
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}
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#else
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DQN_ASSERT_MSG(DQN_INVALID_CODE_PATH, "Non Win32 path not implemented");
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#endif
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}
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DQN_FILE_SCOPE char **DqnDir_Read(const char *const dir, u32 *const numFiles)
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