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

#include <stdio.h>

/*
 * gets [ default ]
 *
 *      read a line from standard input, echoing to std output
 *      if an error occurs just return "default"
 *      if no default and error exit abnormally
 */
main(argc, argv)
	int argc;
	char *argv[];
{
	char buf[BUFSIZ];
	
	if (gets(buf) == NULL || buf[0] < ' ') {
		if (argc == 1)
			exit(1);
		strcpy(buf,argv[1]);
	}
	printf("%s\n", buf);
	exit(0);
}
Commit	Line	Data
d12d704a BJ	1	#include <stdio.h>
	2
	3	/*
	4	* gets [ default ]
	5	*
	6	* read a line from standard input, echoing to std output
	7	* if an error occurs just return "default"
	8	* if no default and error exit abnormally
	9	*/
	10	main(argc, argv)
	11	int argc;
	12	char *argv[];
	13	{
	14	char buf[BUFSIZ];
	15
	16	if (gets(buf) == NULL \|\| buf[0] < ' ') {
	17	if (argc == 1)
	18	exit(1);
	19	strcpy(buf,argv[1]);
	20	}
	21	printf("%s\n", buf);
	22	exit(0);
	23	}