ack/lang/cem/libcc/gen/mktemp.c

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1994-06-24 14:02:31 +00:00
/* $Id$ */
1987-01-27 15:57:55 +00:00
/* mktemp - make a name for a temporary file */
char *mktemp(template)
char *template;
{
register int pid, k;
register char *p;
pid = getpid(); /* get process id as semi-unique number */
p = template;
while (*p) p++; /* find end of string */
/* Replace XXXXXX at end of template with pid. */
while (*--p == 'X') {
*p = '0' + (pid % 10);
pid /= 10;
}
p++;
for (k = 'a'; k <= 'z'; k++) {
*p = k;
if (access(template, 0) < 0) {
return template;
}
}
return("/");
}