58 lines
1.4 KiB
C
Executable File
58 lines
1.4 KiB
C
Executable File
#ifndef _SYS_UTIL_H_
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#define _SYS_UTIL_H_
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#include "myc_str.h"
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/*
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fortran interface stuff
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declare fortran character arguments as F_CHAR(arg)
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and at at the end for each character argument <arg> add
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int <arg>_len to the argument list
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Use macros STR_TO_C and STR_TO_F to convert from Fortran character strings
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to C character arrays and vice versa.
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*/
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#if defined __VMS
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typedef struct { short size, dummy; char *text; } SysVmsChar;
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#define F_CHAR(VAR) SysVmsChar *VAR
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#define F_DCHAR(VAR,LEN) static char VAR##_str[LEN]; SysVmsChar VAR##_desc={LEN,270,&VAR##_str[0]}; SysVmsChar *VAR=&VAR##_desc
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#define F_CLEN(VAR)
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#define F_ALEN(VAR)
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#define F_LEN(VAR) VAR->size
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#define STR_TO_C(DST,SRC) str_ntrim(DST, SRC->text, sizeof(DST), SRC->size)
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#define STR_TO_F(DST,SRC) str_npad(DST->text, SRC, DST->size)
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#define F_FUN(A) A
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#elif defined __alpha || defined __unix || defined __GNUC__
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#define F_CHAR(VAR) char *VAR
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#define F_DCHAR(VAR,LEN) char VAR[LEN]; int VAR##_len=LEN
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#define F_CLEN(VAR) ,int VAR##_len
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#define F_ALEN(VAR) ,VAR##_len
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#define F_LEN(VAR) VAR##_len
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#define STR_TO_C(DST,SRC) str_ntrim(DST, SRC, sizeof(DST), SRC##_len)
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#define STR_TO_F(DST,SRC) str_npad(DST, SRC, DST##_len)
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#ifdef __alpha
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#define F_FUN(A) A##_
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#elif defined __GNUC__
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#define F_FUN(A) A##__
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#else
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#define F_FUN(A) A##__
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#endif
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#else
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#error "other machines are not supported"
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#endif
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#endif /* _SYS_UTIL_H_ */
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