fsystem.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 63 行

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*                            Open Watcom Project
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//
// FSYSTEM      : execute a DOS command
//

#include <malloc.h>
#include <string.h>
#include <stdlib.h>

#include "ftnstd.h"
#include <pgmacc.h>


intstar4        fortran FSYSTEM( string PGM *command ) {
//======================================================

    char        *buff;
    int         len;

    len = command->len;
    for(;;) {
        if( len == 0 ) return( -1 );
        if( command->strptr[len - 1] != ' ' ) break;
        --len;
    }
    buff = alloca( len + sizeof( char ) );
    if( buff == NULL ) return( -1 );
    pgm_memget( buff, command->strptr, len );
    buff[len] = NULLCHAR;
    return( system( buff ) );
}