int fn_cleanpath(const char *name, char *newname, size_t size, int flags)
{
size_t l = 0;
size_t n = 0;
int slashes = 0;
#define add(x) if (l >= size) return -1; else newname[l++] = (x)
name = fn_skip_drive(name);
while (*name && fn_is_sep(*name))
name++;
while (name[n])
{
size_t last_n;
assert(!fn_is_sep(name[n]));
last_n = n++;
while (name[n] && !fn_is_sep(name[n]))
n++;
if (n - last_n == 2 && name[n-2] == '.' && name[n-1] == '.')
{
if (flags & 1)
return -2;
while (l > 0) {
if (newname[--l] == '/')
{
--slashes;
break;
}
}
/* newname[l] = 0; printf("del %s\n", newname); */
}
else if (n - last_n == 1 && name[n-1] == '.')
{
if (flags & 2)
return -3;
}
else
{
if (l > 0)
{ ++slashes; add('/'); }
while (last_n < n)
{ add(name[last_n++]); }
/* newname[l] = 0; printf("add %s\n", newname); */
}
while (name[n] && fn_is_sep(name[n]))
n++;
}
add('\0');
return slashes;
#undef add
}
char *fn_basename(const char *name)
{
const char *n, *nn;
name = fn_skip_drive(name);
for (nn = n = name; *nn; nn++)
if (fn_is_sep(*nn))
n = nn + 1;
return ACC_UNCONST_CAST(char *, n);
}
char *fn_basename(const char *name)
{
const char *n, *nn;
name = fn_skip_drive(name);
for (nn = n = name; *nn; nn++)
if (fn_is_sep(*nn))
n = nn + 1;
return const_cast<char *>(n);
}
unsigned fn_baseindex(const char *name)
{
const char *n, *nn;
n = fn_skip_drive(name);
for (nn = n; *nn; nn++)
if (fn_is_sep(*nn))
n = nn + 1;
return (unsigned) (n - name);
}
void fn_addslash(char *name, bool slash)
{
char *p;
name = fn_skip_drive(name);
p = name + strlen(name);
while (p > name && fn_is_sep(p[-1]))
*p-- = 0;
if (p > name)
{
if (slash)
*p++ = dir_sep[0];
*p = 0;
}
}
