#ifndef XVFS_CORE_H_1B4B28D60EBAA11D5FF85642FA7CA22C29E8E817
#define XVFS_CORE_H_1B4B28D60EBAA11D5FF85642FA7CA22C29E8E817 1
#include <tcl.h>
#define XVFS_PROTOCOL_VERSION 1
#ifdef __cplusplus
extern "C" {
#endif
typedef const char **(*xvfs_proc_getChildren_t)(const char *path, Tcl_WideInt *count);
typedef const unsigned char *(*xvfs_proc_getData_t)(const char *path, Tcl_WideInt start, Tcl_WideInt *length);
typedef int (*xvfs_proc_getStat_t)(const char *path, Tcl_StatBuf *statBuf);
/*
* Interface for the filesystem to fill out before registering.
* The protocolVersion is provided first so that if this
* needs to change over time it can be appropriately handled.
*/
struct Xvfs_FSInfo {
int protocolVersion;
const char *name;
xvfs_proc_getChildren_t getChildrenProc;
xvfs_proc_getData_t getDataProc;
xvfs_proc_getStat_t getStatProc;
};
/*
* Error codes for various calls. This is part of the ABI and must
* not be changed.
*/
#define XVFS_RV_ERR_ENOENT (-8192)
#define XVFS_RV_ERR_EINVAL (-8193)
#define XVFS_RV_ERR_EISDIR (-8194)
#define XVFS_RV_ERR_ENOTDIR (-8195)
#define XVFS_RV_ERR_EFAULT (-8196)
#define XVFS_RV_ERR_EROFS (-8197)
#define XVFS_RV_ERR_INTERNAL (-16383)
#define XVFS_REGISTER_INTERFACE(name) int name(Tcl_Interp *interp, struct Xvfs_FSInfo *fsInfo);
#if defined(XVFS_MODE_STANDALONE)
/*
* In standalone mode, we just redefine calls to
* Xvfs_Register() to go to the xvfs_standalone_register()
* function
*/
# define Xvfs_Register xvfs_standalone_register
static XVFS_REGISTER_INTERFACE(Xvfs_Register)
#elif defined(XVFS_MODE_FLEXIBLE)
/*
* In flexible mode, we just redefine calls to
* Xvfs_Register() to go to the xvfs_flexible_register()
* function which will either dispatch to a common
* core XVFS or use the xvfs_standalone_register()
* function as a standalone would.
*/
# define Xvfs_Register xvfs_flexible_register
static XVFS_REGISTER_INTERFACE(Xvfs_Register)
#elif defined(XVFS_MODE_CLIENT)
/*
* In client mode we declare an external symbol named
* Xvfs_Register() that must be provided by the environment
* we are loaded into
*/
extern XVFS_REGISTER_INTERFACE(Xvfs_Register)
#elif defined(XVFS_MODE_SERVER)
/*
* In server mode we are going to implementing Xvfs_Register()
* for flexible/client modes, just forward declare it
*/
XVFS_REGISTER_INTERFACE(Xvfs_Register)
int Xvfs_Init(Tcl_Interp *interp);
#else
# error Unsupported XVFS_MODE
#endif
#undef XVFS_REGISTER_INTERFACE
/*
* In flexible or standalone mode, directly include what
* would otherwise be a separate translation unit, to
* avoid symbols leaking
*/
#if defined(XVFS_MODE_FLEXIBLE) || defined(XVFS_MODE_STANDALONE)
#include <xvfs-core.c>
#endif
#endif
#ifdef __cplusplus
}
#endif