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

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
18e5fa7e BJ	1	char *
	2	mktemp(as)
	3	char *as;
	4	{
	5	register char *s;
	6	register unsigned pid;
	7	register i;
	8
	9	pid = getpid();
	10	s = as;
	11	while (*s++)
	12	;
	13	s--;
	14	while (*--s == 'X') {
	15	*s = (pid%10) + '0';
	16	pid /= 10;
	17	}
	18	s++;
	19	i = 'a';
	20	while (access(as, 0) != -1) {
	21	if (i=='z')
	22	return("/");
	23	*s = i++;
	24	}
	25	return(as);
	26	}