| 1 | /* 7zFile.h -- File IO\r |
| 2 | 2021-02-15 : Igor Pavlov : Public domain */\r |
| 3 | \r |
| 4 | #ifndef __7Z_FILE_H\r |
| 5 | #define __7Z_FILE_H\r |
| 6 | \r |
| 7 | #ifdef _WIN32\r |
| 8 | #define USE_WINDOWS_FILE\r |
| 9 | // #include <windows.h>\r |
| 10 | #endif\r |
| 11 | \r |
| 12 | #ifdef USE_WINDOWS_FILE\r |
| 13 | #include <windows.h>\r |
| 14 | #else\r |
| 15 | // note: USE_FOPEN mode is limited to 32-bit file size\r |
| 16 | // #define USE_FOPEN\r |
| 17 | // #include <stdio.h>\r |
| 18 | #endif\r |
| 19 | \r |
| 20 | #include "7zTypes.h"\r |
| 21 | \r |
| 22 | EXTERN_C_BEGIN\r |
| 23 | \r |
| 24 | /* ---------- File ---------- */\r |
| 25 | \r |
| 26 | typedef struct\r |
| 27 | {\r |
| 28 | #ifdef USE_WINDOWS_FILE\r |
| 29 | HANDLE handle;\r |
| 30 | #elif defined(USE_FOPEN)\r |
| 31 | FILE *file;\r |
| 32 | #else\r |
| 33 | int fd;\r |
| 34 | #endif\r |
| 35 | } CSzFile;\r |
| 36 | \r |
| 37 | void File_Construct(CSzFile *p);\r |
| 38 | #if !defined(UNDER_CE) || !defined(USE_WINDOWS_FILE)\r |
| 39 | WRes InFile_Open(CSzFile *p, const char *name);\r |
| 40 | WRes OutFile_Open(CSzFile *p, const char *name);\r |
| 41 | #endif\r |
| 42 | #ifdef USE_WINDOWS_FILE\r |
| 43 | WRes InFile_OpenW(CSzFile *p, const WCHAR *name);\r |
| 44 | WRes OutFile_OpenW(CSzFile *p, const WCHAR *name);\r |
| 45 | #endif\r |
| 46 | WRes File_Close(CSzFile *p);\r |
| 47 | \r |
| 48 | /* reads max(*size, remain file's size) bytes */\r |
| 49 | WRes File_Read(CSzFile *p, void *data, size_t *size);\r |
| 50 | \r |
| 51 | /* writes *size bytes */\r |
| 52 | WRes File_Write(CSzFile *p, const void *data, size_t *size);\r |
| 53 | \r |
| 54 | WRes File_Seek(CSzFile *p, Int64 *pos, ESzSeek origin);\r |
| 55 | WRes File_GetLength(CSzFile *p, UInt64 *length);\r |
| 56 | \r |
| 57 | \r |
| 58 | /* ---------- FileInStream ---------- */\r |
| 59 | \r |
| 60 | typedef struct\r |
| 61 | {\r |
| 62 | ISeqInStream vt;\r |
| 63 | CSzFile file;\r |
| 64 | WRes wres;\r |
| 65 | } CFileSeqInStream;\r |
| 66 | \r |
| 67 | void FileSeqInStream_CreateVTable(CFileSeqInStream *p);\r |
| 68 | \r |
| 69 | \r |
| 70 | typedef struct\r |
| 71 | {\r |
| 72 | ISeekInStream vt;\r |
| 73 | CSzFile file;\r |
| 74 | WRes wres;\r |
| 75 | } CFileInStream;\r |
| 76 | \r |
| 77 | void FileInStream_CreateVTable(CFileInStream *p);\r |
| 78 | \r |
| 79 | \r |
| 80 | typedef struct\r |
| 81 | {\r |
| 82 | ISeqOutStream vt;\r |
| 83 | CSzFile file;\r |
| 84 | WRes wres;\r |
| 85 | } CFileOutStream;\r |
| 86 | \r |
| 87 | void FileOutStream_CreateVTable(CFileOutStream *p);\r |
| 88 | \r |
| 89 | EXTERN_C_END\r |
| 90 | \r |
| 91 | #endif\r |