[unix-history] / usr / src / lib / libc / stdio / mktemp.c

#ifndef lint
static char sccsid[] = "@(#)mktemp.c	5.1 (Berkeley) %G%";
#endif not lint

char *
mktemp(as)
char *as;
{
	register char *s;
	register unsigned pid;
	register i;

	pid = getpid();
	s = as;
	while (*s++)
		;
	s--;
	while (*--s == 'X') {
		*s = (pid%10) + '0';
		pid /= 10;
	}
	s++;
	i = 'a';
	while (access(as, 0) != -1) {
		if (i=='z')
			return("/");
		*s = i++;
	}
	return(as);
}
Commit	Line	Data
b8f253e8 KM	1	#ifndef lint
	2	static char sccsid[] = "@(#)mktemp.c 5.1 (Berkeley) %G%";
	3	#endif not lint
55221028 BJ	4
	5	char *
	6	mktemp(as)
	7	char *as;
	8	{
	9	register char *s;
	10	register unsigned pid;
	11	register i;
	12
	13	pid = getpid();
	14	s = as;
	15	while (*s++)
	16	;
	17	s--;
	18	while (*--s == 'X') {
	19	*s = (pid%10) + '0';
	20	pid /= 10;
	21	}
	22	s++;
	23	i = 'a';
	24	while (access(as, 0) != -1) {
	25	if (i=='z')
	26	return("/");
	27	*s = i++;
	28	}
	29	return(as);
	30	}