Miguel Ruiz
SDL Library
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SDL_RWops Struct Reference
This is the read/write operation structure -- very basic. More...
#include <SDL_rwops.h>
Public Member Functions | |
| Sint64 (SDLCALL *size)(struct SDL_RWops *context) | |
| Return the size of the file in this rwops, or -1 if unknown. | |
| Sint64 (SDLCALL *seek)(struct SDL_RWops *context | |
Seek to offset relative to whence, one of stdio's whence values: RW_SEEK_SET, RW_SEEK_CUR, RW_SEEK_END. | |
| size_t (SDLCALL *read)(struct SDL_RWops *context | |
Read up to maxnum objects each of size size from the data stream to the area pointed at by ptr. | |
| size_t (SDLCALL *write)(struct SDL_RWops *context | |
Write exactly num objects each of size size from the area pointed at by ptr to data stream. | |
| int (SDLCALL *close)(struct SDL_RWops *context) | |
| Close and free an allocated SDL_RWops structure. | |
Detailed Description
This is the read/write operation structure -- very basic.
Definition at line 52 of file SDL_rwops.h.
Member Function Documentation
| int | ( | SDLCALL * | close ) |
Close and free an allocated SDL_RWops structure.
- Returns:
- 0 if successful or -1 on write error when flushing data.
| Sint64 | ( | SDLCALL * | seek ) |
Seek to offset relative to whence, one of stdio's whence values: RW_SEEK_SET, RW_SEEK_CUR, RW_SEEK_END.
- Returns:
- the final offset in the data stream, or -1 on error.
| Sint64 | ( | SDLCALL * | size ) |
Return the size of the file in this rwops, or -1 if unknown.
| size_t | ( | SDLCALL * | read ) |
Read up to maxnum objects each of size size from the data stream to the area pointed at by ptr.
- Returns:
- the number of objects read, or 0 at error or end of file.
| size_t | ( | SDLCALL * | write ) |
Write exactly num objects each of size size from the area pointed at by ptr to data stream.
- Returns:
- the number of objects written, or 0 at error or end of file.
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