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@@ -1,10 +1,10 @@
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This is ../libffi/doc/libffi.info, produced by makeinfo version 4.13
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from ../libffi/doc/libffi.texi.
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This is /home/green/libffi/doc/libffi.info, produced by makeinfo
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version 4.13 from /home/green/libffi/doc/libffi.texi.
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This manual is for Libffi, a portable foreign-function interface
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library.
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Copyright (C) 2008, 2010, 2011 Red Hat, Inc.
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Copyright (C) 2008, 2010 Red Hat, Inc.
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Permission is granted to copy, distribute and/or modify this
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document under the terms of the GNU General Public License as
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@@ -27,7 +27,7 @@ libffi
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This manual is for Libffi, a portable foreign-function interface
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library.
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Copyright (C) 2008, 2010, 2011 Red Hat, Inc.
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Copyright (C) 2008, 2010 Red Hat, Inc.
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Permission is granted to copy, distribute and/or modify this
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document under the terms of the GNU General Public License as
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@@ -115,6 +115,8 @@ To prepare a call interface object, use the function `ffi_prep_cif'.
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want. *note Multiple ABIs:: for more information.
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NARGS is the number of arguments that this function accepts.
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`libffi' does not yet handle varargs functions; see *note Missing
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Features:: for more information.
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RTYPE is a pointer to an `ffi_type' structure that describes the
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return type of the function. *Note Types::.
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@@ -127,30 +129,6 @@ To prepare a call interface object, use the function `ffi_prep_cif'.
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properly; `FFI_BAD_TYPEDEF' if one of the `ffi_type' objects is
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incorrect; or `FFI_BAD_ABI' if the ABI parameter is invalid.
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If the function being called is variadic (varargs) then
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`ffi_prep_cif_var' must be used instead of `ffi_prep_cif'.
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-- Function: ffi_status ffi_prep_cif_var (ffi_cif *CIF, ffi_abi
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varabi, unsigned int NFIXEDARGS, unsigned int varntotalargs,
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ffi_type *RTYPE, ffi_type **ARGTYPES)
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This initializes CIF according to the given parameters for a call
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to a variadic function. In general it's operation is the same as
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for `ffi_prep_cif' except that:
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NFIXEDARGS is the number of fixed arguments, prior to any variadic
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arguments. It must be greater than zero.
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NTOTALARGS the total number of arguments, including variadic and
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fixed arguments.
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Note that, different cif's must be prepped for calls to the same
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function when different numbers of arguments are passed.
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Also note that a call to `ffi_prep_cif_var' with
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NFIXEDARGS=NOTOTALARGS is NOT equivalent to a call to
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`ffi_prep_cif'.
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To call a function using an initialized `ffi_cif', use the
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`ffi_call' function:
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@@ -533,7 +511,9 @@ File: libffi.info, Node: Missing Features, Next: Index, Prev: Using libffi,
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`libffi' is missing a few features. We welcome patches to add support
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for these.
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* Variadic closures.
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* There is no support for calling varargs functions. This may work
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on some platforms, depending on how the ABI is defined, but it is
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not reliable.
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* There is no support for bit fields in structures.
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@@ -541,9 +521,6 @@ for these.
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* The "raw" API is undocumented.
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Note that variadic support is very new and tested on a relatively
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small number of platforms.
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File: libffi.info, Node: Index, Prev: Missing Features, Up: Top
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@@ -561,12 +538,11 @@ Index
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* closure API: The Closure API. (line 13)
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* closures: The Closure API. (line 13)
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* FFI: Introduction. (line 31)
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* ffi_call: The Basics. (line 63)
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* ffi_call: The Basics. (line 41)
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* ffi_closure_alloc: The Closure API. (line 19)
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* ffi_closure_free: The Closure API. (line 26)
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* FFI_CLOSURES: The Closure API. (line 13)
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* ffi_prep_cif: The Basics. (line 16)
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* ffi_prep_cif_var: The Basics. (line 39)
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* ffi_prep_closure_loc: The Closure API. (line 34)
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* ffi_status <1>: The Closure API. (line 37)
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* ffi_status: The Basics. (line 18)
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@@ -594,24 +570,24 @@ Index
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* ffi_type_void: Primitive Types. (line 10)
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* Foreign Function Interface: Introduction. (line 31)
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* void <1>: The Closure API. (line 20)
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* void: The Basics. (line 65)
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* void: The Basics. (line 43)
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Tag Table:
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Node: Top712
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Node: Introduction1460
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Node: Using libffi3096
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Node: The Basics3582
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Node: Simple Example7224
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Node: Types8251
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Node: Primitive Types8534
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Node: Structures10354
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Node: Type Example11214
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Node: Multiple ABIs12437
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Node: The Closure API12808
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Node: Closure Example15752
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Node: Missing Features17311
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Node: Index17764
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Node: Top724
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Node: Introduction1466
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Node: Using libffi3102
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Node: The Basics3588
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Node: Simple Example6374
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Node: Types7401
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Node: Primitive Types7684
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Node: Structures9504
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Node: Type Example10364
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Node: Multiple ABIs11587
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Node: The Closure API11958
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Node: Closure Example14902
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Node: Missing Features16461
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Node: Index16954
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End Tag Table
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@@ -1,4 +1,4 @@
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@set UPDATED 14 February 2008
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@set UPDATED-MONTH February 2008
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@set EDITION 3.0.8
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@set VERSION 3.0.8
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@set UPDATED 12 November 2011
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@set UPDATED-MONTH November 2011
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@set EDITION 3.0.11-rc1
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@set VERSION 3.0.11-rc1
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@@ -1,4 +1,4 @@
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@set UPDATED 14 February 2008
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@set UPDATED-MONTH February 2008
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@set EDITION 3.0.8
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@set VERSION 3.0.8
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@set UPDATED 12 November 2011
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@set UPDATED-MONTH November 2011
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@set EDITION 3.0.11-rc1
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@set VERSION 3.0.11-rc1
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