35 lines
605 B
C
35 lines
605 B
C
/* $Id$ */
|
|
/* mktemp - make a name for a temporary file; only here for backwards compat */
|
|
/* no _-protected system-calls? */
|
|
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
char* mktemp(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 ("/");
|
|
}
|