int FindSepar(const FChar *s) throw()
{
for (const FChar *p = s;; p++)
{
const FChar c = *p;
if (c == 0)
return -1;
if (IS_SEPAR(c))
return (int)(p - s);
}
}
static int ReverseFind_PathSepar(const wchar_t *s)
{
int separ = -1;
int i;
for (i = 0;; i++)
{
wchar_t c = s[i];
if (c == 0)
return separ;
if (IS_SEPAR(c))
separ = i;
}
}
static WRes CreateComplexDir()
{
WCHAR s[MAX_PATH + 10];
unsigned prefixSize = 0;
WRes wres;
{
size_t len = wcslen(path);
if (len > MAX_PATH)
return ERROR_INVALID_NAME;
wcscpy(s, path);
}
if (IS_DRIVE_PATH(s))
prefixSize = 3;
else if (IS_SEPAR(s[0]) && IS_SEPAR(s[1]))
prefixSize = 2;
else
return ERROR_INVALID_NAME;
{
DWORD attrib = GetFileAttributesW(s);
if (attrib != INVALID_FILE_ATTRIBUTES)
return (attrib & FILE_ATTRIBUTE_DIRECTORY) != 0 ? 0 : ERROR_ALREADY_EXISTS;
}
wres = MyCreateDir(s);
if (wres == 0 || wres == ERROR_ALREADY_EXISTS)
return 0;
{
size_t len = wcslen(s);
{
int pos = ReverseFind_PathSepar(s);
if (pos < 0)
return wres;
if ((unsigned)pos < prefixSize)
return wres;
if ((unsigned)pos == len - 1)
{
if (len == 1)
return 0;
s[pos] = 0;
len = pos;
}
}
for (;;)
{
int pos;
wres = MyCreateDir(s);
if (wres == 0)
break;
if (wres == ERROR_ALREADY_EXISTS)
{
DWORD attrib = GetFileAttributesW(s);
if (attrib != INVALID_FILE_ATTRIBUTES)
if ((attrib & FILE_ATTRIBUTE_DIRECTORY) == 0)
return ERROR_ALREADY_EXISTS;
break;
}
pos = ReverseFind_PathSepar(s);
if (pos < 0 || pos == 0 || (unsigned)pos < prefixSize)
return wres;
s[pos] = 0;
}
for (;;)
{
size_t pos = wcslen(s);
if (pos >= len)
return 0;
s[pos] = CHAR_PATH_SEPARATOR;
wres = MyCreateDir(s);
if (wres != 0)
return wres;
}
}
}
