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#ifndef APR_OPTIONAL_H
00018
#define APR_OPTIONAL_H
00019
00020
#include "apu.h"
00025
#ifdef __cplusplus
00026
extern "C" {
00027
#endif
00028
00042 #define APR_OPTIONAL_FN_TYPE(name) apr_OFN_##name##_t
00043
00050 #define APR_DECLARE_OPTIONAL_FN(ret,name,args) \
00051
typedef ret (APR_OPTIONAL_FN_TYPE(name)) args
00052
00059 typedef void (
apr_opt_fn_t)(
void);
00061
APU_DECLARE_NONSTD(
void) apr_dynamic_fn_register(const
char *szName,
00062
apr_opt_fn_t *pfn);
00063
00070 #define APR_REGISTER_OPTIONAL_FN(name) do { \
00071
APR_OPTIONAL_FN_TYPE(name) *apu__opt = name; \
00072 apr_dynamic_fn_register(#name,(
apr_opt_fn_t *)apu__opt); \
00073 }
while (0)
00074
00078
APU_DECLARE(
apr_opt_fn_t *) apr_dynamic_fn_retrieve(const
char *szName);
00079
00084 #define APR_RETRIEVE_OPTIONAL_FN(name) \
00085 (APR_OPTIONAL_FN_TYPE(name) *)apr_dynamic_fn_retrieve(#name)
00086
00088 #ifdef __cplusplus
00089 }
00090 #endif
00091
00092 #endif