testit.c

来自「支持X/YModem和cis_b+协议的串口通讯程序」· C语言 代码 · 共 53 行

/*  $Revision: 1.2 $
**
**  A "micro-shell" to test editline library.
**  If given any arguments, commands aren't executed.
*/
#include <stdio.h>
#include <stdlib.h>
#ifdef MEMDEBUG
#include <memdebug.h>
#endif

#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif 

extern void rl_initialize( void );
extern char *readline( char *, int );
extern void *add_history( char * );

char *luxptr = NULL ;
int silent = 0 ;

/* ARGSUSED1 */
int
main(ac, av)
    int		ac;
    char	*av[];
{
    char	*p;
    int		doit;

    doit = ac == 1;
	rl_initialize();
    while ((p = readline("testit> ", TRUE )) != NULL) {
	if( strncmp( p, "quit", 4) == 0 )
	break; 	
	(void)printf("\t\t\t|%s|\n", p);
	if (doit)
	    if (strncmp(p, "cd ", 3) == 0) {
		if (chdir(&p[3]) < 0)
		    perror(&p[3]);
	    }
	    else if (system(p) != 0)
		perror(p);
	add_history(p);
	free(p);
	p = NULL ;
    }
    exit(0);
    /* NOTREACHED */
}