/usr/lib/ocaml/caml/camlidlruntime.h is in camlidl 1.05-15build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* */
/* CamlIDL */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1999 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License. */
/* */
/***********************************************************************/
/* $Id: camlidlruntime.h,v 1.13 2004/07/08 09:48:15 xleroy Exp $ */
/* Helper functions for stub code generated by camlidl */
#include <stddef.h>
#include <caml/mlvalues.h>
#include <caml/signals.h>
/* Functions for allocating in the Caml heap */
#define camlidl_alloc caml_alloc
#define camlidl_alloc_small caml_alloc_small
/* Helper functions for conversion */
extern value camlidl_find_enum(int n, int *flags, int nflags, char *errmsg);
extern value camlidl_alloc_flag_list (int n, int *flags, int nflags);
extern mlsize_t camlidl_ptrarray_size(void ** array);
/* Malloc-like allocation with en masse deallocation */
typedef void (* camlidl_free_function)(void *);
struct camlidl_block_list {
camlidl_free_function free_fn;
void * block;
struct camlidl_block_list * next;
};
struct camlidl_ctx_struct {
int flags;
struct camlidl_block_list * head;
};
#define CAMLIDL_TRANSIENT 1
#define CAMLIDL_ADDREF 2
typedef struct camlidl_ctx_struct * camlidl_ctx;
extern void * camlidl_malloc(size_t sz, camlidl_ctx ctx);
extern void camlidl_free(camlidl_ctx ctx);
extern char * camlidl_malloc_string(value mlstring, camlidl_ctx ctx);
void camlidl_register_allocation(camlidl_free_function free_fn,
void * block,
camlidl_ctx ctx);
/* Helper functions for handling COM interfaces */
#ifdef _WIN32
#include <objbase.h>
#else
#define interface struct
typedef struct {
unsigned int Data1;
unsigned short Data2, Data3;
unsigned char Data4[8];
} GUID, IID;
typedef IID * REFIID;
typedef int HRESULT;
#define S_OK 0
typedef unsigned long ULONG;
#define SetErrorInfo(x,y)
#define STDMETHODCALLTYPE
#endif
typedef HRESULT HRESULT_int;
typedef HRESULT HRESULT_bool;
#if defined(__GNUC__)
#define DECLARE_VTBL_PADDING void * padding; void * constr;
#define VTBL_PADDING 0, 0,
#else
#define DECLARE_VTBL_PADDING
#define VTBL_PADDING
#endif
extern void * camlidl_unpack_interface(value vintf, camlidl_ctx ctx);
extern value camlidl_pack_interface(void * intf, camlidl_ctx ctx);
struct camlidl_component;
struct camlidl_intf {
void * vtbl;
value caml_object;
IID * iid;
struct camlidl_component * comp;
void * typeinfo;
};
struct camlidl_component {
int numintfs;
long refcount;
struct camlidl_intf intf[1];
};
extern value camlidl_make_interface(void * vtbl, value caml_object,
IID * iid, int has_dispatch);
/* Basic methods (QueryInterface, AddRef, Release) for COM objects
encapsulating a Caml object */
extern HRESULT STDMETHODCALLTYPE
camlidl_QueryInterface(struct camlidl_intf * self, REFIID iid,
void ** object);
extern ULONG STDMETHODCALLTYPE
camlidl_AddRef(struct camlidl_intf * self);
extern ULONG STDMETHODCALLTYPE
camlidl_Release(struct camlidl_intf * self);
/* Extra methods for the IDispatch interface */
#ifdef _WIN32
extern HRESULT STDMETHODCALLTYPE
camlidl_GetTypeInfoCount(struct camlidl_intf * self, UINT * count_type_info);
extern HRESULT STDMETHODCALLTYPE
camlidl_GetTypeInfo(struct camlidl_intf * self, UINT iTypeInfo,
LCID localization, ITypeInfo ** res);
extern HRESULT STDMETHODCALLTYPE
camlidl_GetIDsOfNames(struct camlidl_intf * self, REFIID iid,
OLECHAR** arrayNames, UINT countNames,
LCID localization, DISPID * arrayDispIDs);
extern HRESULT STDMETHODCALLTYPE
camlidl_Invoke(struct camlidl_intf * self, DISPID dispidMember, REFIID iid,
LCID localization, WORD wFlags, DISPPARAMS * dispParams,
VARIANT * varResult, EXCEPINFO * excepInfo, UINT * argErr);
#endif
/* Raise an error */
extern void camlidl_error(HRESULT errcode, char * who, char * msg);
/* Handle HRESULTs */
extern void camlidl_check_hresult(HRESULT hr);
extern value camlidl_c2ml_Com_HRESULT_bool(HRESULT_bool * hr,
camlidl_ctx ctx);
extern void camlidl_ml2c_Com_HRESULT_bool(value v, HRESULT_bool * hr,
camlidl_ctx ctx);
extern value camlidl_c2ml_Com_HRESULT_int(HRESULT_int * hr, camlidl_ctx ctx);
extern void camlidl_ml2c_Com_HRESULT_int(value v, HRESULT_int * hr,
camlidl_ctx ctx);
/* Handle uncaught exceptions in C-to-ML callbacks */
extern HRESULT camlidl_result_exception(char * methname, value exn_bucket);
extern void camlidl_uncaught_exception(char * methname, value exn_bucket);
/* Conversion functions for OLE Automation types */
#ifdef _WIN32
extern void camlidl_ml2c_Com_BSTR(value s, BSTR * res, camlidl_ctx ctx);
extern value camlidl_c2ml_Com_BSTR(BSTR * bs, camlidl_ctx ctx);
#endif
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