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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 <windows.h>
#include <libc.h>
#include "win.h"
char*
toutf(WinRune *r)
{
Rune *r1;
int i, n;
char *p;
n = 0;
while(r[n] != '\0')
n++;
n++;
r1 = malloc(n*sizeof r1[0]);
for(i=0; i<n; i++)
r1[i] = r[i];
p = smprint("%S", r1);
free(r1);
return p;
}
WinRune*
torune(char *p)
{
int i, n;
Rune rr;
WinRune *r;
n = utflen(p);
r = malloc((n+1)*sizeof r[0]);
for(i=0; i<n; i++) {
p += chartorune(&rr, p);
r[i] = rr;
}
r[n] = '\0';
return r;
}
char*
mktempdir(void)
{
WinRune buf[1024];
WinRune tmp[MAX_PATH];
WinRune golink[] = {'g', 'o', 'l', 'i', 'n', 'k', '\0'};
int n;
n = GetTempPathW(nelem(buf), buf);
if(n <= 0)
return nil;
buf[n] = '\0';
if(GetTempFileNameW(buf, golink, 0, tmp) == 0)
return nil;
DeleteFileW(tmp);
if(!CreateDirectoryW(tmp, nil))
return nil;
return toutf(tmp);
}
void
removeall(char *p)
{
WinRune *r, *r1;
DWORD attr;
char *q, *qt, *elem;
HANDLE h;
WIN32_FIND_DATAW data;
r = torune(p);
attr = GetFileAttributesW(r);
if(attr == INVALID_FILE_ATTRIBUTES || !(attr & FILE_ATTRIBUTE_DIRECTORY)) {
DeleteFileW(r);
free(r);
return;
}
q = smprint("%s\\*", p);
r1 = torune(q);
free(q);
h = FindFirstFileW(r1, &data);
if(h == INVALID_HANDLE_VALUE)
goto done;
do{
q = toutf(data.cFileName);
elem = strrchr(q, '\\');
if(elem != nil)
elem++;
else
elem = q;
if(strcmp(elem, ".") == 0 || strcmp(elem, "..") == 0) {
free(q);
continue;
}
qt = smprint("%s\\%s", p, q);
free(q);
removeall(qt);
free(qt);
}while(FindNextFileW(h, &data));
FindClose(h);
done:
free(r1);
RemoveDirectoryW(r);
free(r);
}
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