[unix-history] / usr / src / cmd / random.c

#include <stdio.h>
#define MAXINT 32768.
float fract = 2;
double	atof();
char rflag,eflag,c;
char ibuf[BUFSIZ],obuf[BUFSIZ],line[BUFSIZ];
main(argc,argv) char **argv;
{
	long tvec;
	int i;
	for(i=1;i<argc;i++)
	{	if(*argv[i]!='-')
			fract=atof(argv[i]);
		else if((c=argv[i][1])=='e')
			eflag=1;
		else if(c=='r')
			rflag=1;
	}
	time(&tvec);
	srand((int)tvec);
	if(!rflag && !eflag)
	{	setbuf(stdin,ibuf);
		setbuf(stdout,obuf);
	}
	for(;eflag==0;)
	{	gets(line);
		if(feof(stdin)) break;
		if(rand()/MAXINT*fract<1) puts(line);
	}
	exit((int)(rand()/MAXINT*fract));
}
Commit	Line	Data
b4e2e355 KT	1	#include <stdio.h>
	2	#define MAXINT 32768.
	3	float fract = 2;
	4	double atof();
	5	char rflag,eflag,c;
	6	char ibuf[BUFSIZ],obuf[BUFSIZ],line[BUFSIZ];
	7	main(argc,argv) char **argv;
	8	{
	9	long tvec;
	10	int i;
	11	for(i=1;i<argc;i++)
	12	{ if(*argv[i]!='-')
	13	fract=atof(argv[i]);
	14	else if((c=argv[i][1])=='e')
	15	eflag=1;
	16	else if(c=='r')
	17	rflag=1;
	18	}
	19	time(&tvec);
	20	srand((int)tvec);
	21	if(!rflag && !eflag)
	22	{ setbuf(stdin,ibuf);
	23	setbuf(stdout,obuf);
	24	}
	25	for(;eflag==0;)
	26	{ gets(line);
	27	if(feof(stdin)) break;
	28	if(rand()/MAXINT*fract<1) puts(line);
	29	}
	30	exit((int)(rand()/MAXINT*fract));
	31	}