diff options
Diffstat (limited to 'libio/libioP.h')
| -rw-r--r-- | libio/libioP.h | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/libio/libioP.h b/libio/libioP.h index a69d75b485..568bbe8812 100644 --- a/libio/libioP.h +++ b/libio/libioP.h @@ -64,22 +64,34 @@ extern "C" { * object being acted on (i.e. the 'this' parameter). */ +#if (!defined _IO_USE_OLD_IO_FILE \ + && (!defined _G_IO_NO_BACKWARD_COMPAT || _G_IO_NO_BACKWARD_COMPAT == 0)) +# define _IO_JUMPS_OFFSET 1 +#endif + #define _IO_JUMPS(THIS) ((struct _IO_FILE_plus *) (THIS))->vtable +#if _IO_JUMPS_OFFSET +# define _IO_JUMPS_FUNC(THIS) \ + (*(struct _IO_jump_t **) ((void *) &((struct _IO_FILE_plus *) (THIS))->vtable\ + + (THIS)->_vtable_offset)) +#else +# define _IO_JUMPS_FUNC(THIS) _IO_JUMPS(THIS) +#endif #ifdef _G_USING_THUNKS # define JUMP_FIELD(TYPE, NAME) TYPE NAME -# define JUMP0(FUNC, THIS) _IO_JUMPS(THIS)->FUNC (THIS) -# define JUMP1(FUNC, THIS, X1) _IO_JUMPS(THIS)->FUNC (THIS, X1) -# define JUMP2(FUNC, THIS, X1, X2) _IO_JUMPS(THIS)->FUNC (THIS, X1, X2) -# define JUMP3(FUNC, THIS, X1,X2,X3) _IO_JUMPS(THIS)->FUNC (THIS, X1,X2, X3) +# define JUMP0(FUNC, THIS) _IO_JUMPS_FUNC(THIS)->FUNC (THIS) +# define JUMP1(FUNC, THIS, X1) _IO_JUMPS_FUNC(THIS)->FUNC (THIS, X1) +# define JUMP2(FUNC, THIS, X1, X2) _IO_JUMPS_FUNC(THIS)->FUNC (THIS, X1, X2) +# define JUMP3(FUNC, THIS, X1,X2,X3) _IO_JUMPS_FUNC(THIS)->FUNC (THIS, X1,X2, X3) # define JUMP_INIT(NAME, VALUE) VALUE # define JUMP_INIT_DUMMY JUMP_INIT(dummy, 0), JUMP_INIT (dummy2, 0) #else /* These macros will change when we re-implement vtables to use "thunks"! */ # define JUMP_FIELD(TYPE, NAME) struct { short delta1, delta2; TYPE pfn; } NAME -# define JUMP0(FUNC, THIS) _IO_JUMPS(THIS)->FUNC.pfn (THIS) -# define JUMP1(FUNC, THIS, X1) _IO_JUMPS(THIS)->FUNC.pfn (THIS, X1) -# define JUMP2(FUNC, THIS, X1, X2) _IO_JUMPS(THIS)->FUNC.pfn (THIS, X1, X2) -# define JUMP3(FUNC, THIS, X1,X2,X3) _IO_JUMPS(THIS)->FUNC.pfn (THIS, X1,X2,X3) +# define JUMP0(FUNC, THIS) _IO_JUMPS_FUNC(THIS)->FUNC.pfn (THIS) +# define JUMP1(FUNC, THIS, X1) _IO_JUMPS_FUNC(THIS)->FUNC.pfn (THIS, X1) +# define JUMP2(FUNC, THIS, X1, X2) _IO_JUMPS_FUNC(THIS)->FUNC.pfn (THIS, X1, X2) +# define JUMP3(FUNC, THIS, X1,X2,X3) _IO_JUMPS_FUNC(THIS)->FUNC.pfn (THIS, X1,X2,X3) # define JUMP_INIT(NAME, VALUE) {0, 0, VALUE} # define JUMP_INIT_DUMMY JUMP_INIT(dummy, 0) #endif @@ -267,17 +279,6 @@ struct _IO_FILE_plus const struct _IO_jump_t *vtable; }; -/* We had to extend _IO_FILE but this isn't easily possible without - compatibility problems. So we mimic the C++ way to do this which - especially takes care that the position of the vtable stays the - same. */ -struct _IO_FILE_complete -{ - struct _IO_FILE_plus plus; - _IO_off64_t _offset; - int _unused2[16]; /* Make sure we don't get into trouble again. */ -}; - /* Generic functions */ extern _IO_fpos64_t _IO_seekoff __P ((_IO_FILE *, _IO_off64_t, int, int)); @@ -374,6 +375,8 @@ extern int _IO_file_overflow __P ((_IO_FILE *, int)); #define _IO_file_is_open(__fp) ((__fp)->_fileno >= 0) extern void _IO_file_init __P ((_IO_FILE *)); extern _IO_FILE* _IO_file_attach __P ((_IO_FILE *, int)); +extern _IO_FILE* _IO_file_open __P ((_IO_FILE *, const char *, int, int, + int, int)); extern _IO_FILE* _IO_file_fopen __P ((_IO_FILE *, const char *, const char *, int)); extern _IO_ssize_t _IO_file_write __P ((_IO_FILE *, const void *, |