fargs.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 69 行

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//
// FARGS        : get command line arguments (argc/argv style)
//

#include "ftnstd.h"

#include <string.h>

extern  int             ___Argc;        // argument count
extern  char            **___Argv;      // argument vector


intstar4        fortran IARGC( void ) {
//=====================================

    return( ___Argc );
}


intstar4        fortran IGETARG( intstar4 *arg, string *dst ) {
//=============================================================

    int         dst_len;

    if( *arg >= ___Argc ) {
        dst_len = 0;
    } else {
        dst_len = strlen( ___Argv[*arg] );
        if( dst_len > dst->len ) {
            dst_len = dst->len;
        }
        memcpy( dst->strptr, ___Argv[*arg], dst_len );
    }
    memset( &dst->strptr[dst_len], ' ', dst->len - dst_len );
    return( dst_len );
}