Files
sics/tecs/sys_util.h
2002-08-22 11:57:09 +00:00

60 lines
1.3 KiB
C

#ifndef _SYS_UTIL_H_
#define _SYS_UTIL_H_
/*
fortran interface stuff
declare fortran character arguments as F_CHAR(arg)
and at at the end for each character argument <arg> add
int <arg>_len to the argument list
Use macros STR_TO_C and STR_TO_F to convert from Fortran character strings
to C character arrays and vice versa.
sys_adr_len (argument of accept and gethostbyadr, system dependent)
sys_ctrl_init() (needed in VMS only)
*/
#if defined __VMS
typedef struct { short size, dummy; char *text; } SysVmsChar;
#define F_CHAR(VAR) SysVmsChar *VAR##_desc
#define STR_TO_C(DST,SRC) str_ntrim(DST, SRC##_desc->text, sizeof(DST), SRC##_desc->size)
#define STR_TO_F(DST,SRC) str_npad(DST##_desc->text, SRC, DST##_desc->size)
#define F_FUN(A) A
typedef size_t sys_adr_len; /* argument of accept and gethostbyadr */
void sys_ctrl_init(void);
#elif defined __alpha || defined __unix
#define F_CHAR(VAR) char *VAR
#define STR_TO_C(DST,SRC) str_ntrim(DST, SRC, sizeof(DST), SRC##_len)
#define STR_TO_F(DST,SRC) str_npad(DST, SRC, DST##_len)
#ifdef __alpha
#define F_FUN(A) A##_
#else
#define F_FUN(A) A##__
#endif
typedef int sys_adr_len; /* argument of accept and gethostbyadr */
#define sys_ctrl_init() 0
#else
/* other machines are not supported */
#endif
#endif /* _SYS_UTIL_H_ */