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- /*
- * Copyright (c) 1994, 1995. Netscape Communications Corporation. All
- * rights reserved.
- *
- * Use of this software is governed by the terms of the license agreement for
- * the Netscape FastTrack or Netscape Enterprise Server between the
- * parties.
- */
-
-
- /* ------------------------------------------------------------------------ */
-
-
- /*
- * func.h: Handles the function hash table
- *
- * httpd uses a table of internal functions hashed by a name string such that
- * users can reference specific functions from the configuration files.
- *
- * Any function referenced by configuration files will be passed a
- * parameter, a Request structure. The functions do not return anything.
- *
- * Rob McCool
- */
-
- #ifndef FUNC_H
- #define FUNC_H
-
-
- #include "netsite.h"
- #include "base/pblock.h"
- #include "base/session.h" /* Session structure */
- #include "frame/req.h" /* Request structure */
-
-
- /* -------------------------- Structure and Type -------------------------- */
-
-
- /*
- * FuncPtr is a pointer to our kind of functions
- */
-
- #ifdef XP_UNIX
- typedef int Func(pblock *, Session *, Request *);
- #else /* XP_WIN32 */
- typedef int _cdecl Func(pblock *, Session *, Request *);
- #endif /* XP_WIN32 */
-
- typedef Func *FuncPtr;
-
- /*
- * FuncStruct is a structure used in the static declaration of the
- * functions. This static declaration is parsed into a hash table at
- * startup. You should initialize the next entry to NULL.
- */
-
- struct FuncStruct {
- char *name;
- FuncPtr func;
- struct FuncStruct *next;
- };
-
-
- /* --------------------------- Hash definitions --------------------------- */
-
-
- /*
- * This is a primitive hash function. Once more is known about the names of
- * the functions, this will be optimized.
- */
-
- #define NUM_HASH 20
- #define FUNC_HASH(s) (s[0] % NUM_HASH)
-
-
- /* ------------------------------ Prototypes ------------------------------ */
-
-
- /*
- * func_init reads the static FuncStruct arrays and creates the global
- * function table from them.
- *
- * func_init will only read from the static arrays defined in func.c.
- */
-
- NSAPI_PUBLIC void func_init(void);
-
- /*
- * func_find returns a pointer to the function named name, or NULL if none
- * exists.
- */
-
- NSAPI_PUBLIC FuncPtr func_find(char *name);
-
- /*
- * func_exec will try to execute the function whose name is the "fn" entry
- * in the given pblock. If name is not found, it will log a misconfig of
- * missing fn parameter. If it can't find it, it will log that. In these
- * cases it will return REQ_ABORTED. Otherwise, it will return what the
- * function being executed returns.
- */
-
- NSAPI_PUBLIC int func_exec(pblock *pb, Session *sn, Request *rq);
-
- /*
- * func_insert dynamically inserts a named function into the server's
- * table of functions. Returns the FuncStruct it keeps in internal
- * databases, because on server restart you are responsible for freeing
- * (or not) its contents.
- */
-
- NSAPI_PUBLIC struct FuncStruct *func_insert(char *name, FuncPtr fn);
-
- #endif
-