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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include <u.h>
#include <libc.h>
char*
mktempdir(void)
{
char *p;
int fd, i;
p = smprint("/tmp/go-link-XXXXXX");
for(i=0; i<1000; i++) {
sprint(p, "/tmp/go-link-%06x", nrand((1<<24)-1));
fd = create(p, OREAD|OEXCL, 0700|DMDIR);
if(fd >= 0) {
close(fd);
return p;
}
}
free(p);
return nil;
}
void
removeall(char *p)
{
int fd, n, i;
Dir *d;
char *q;
if(remove(p) >= 0)
return;
if((d = dirstat(p)) == nil)
return;
if(!(d->mode & DMDIR)) {
free(d);
return;
}
free(d);
if((fd = open(p, OREAD)) < 0)
return;
n = dirreadall(fd, &d);
close(fd);
for(i=0; i<n; i++) {
q = smprint("%s/%s", p, d[i].name);
removeall(q);
free(q);
}
free(d);
}
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