static char *
make_dir (const char *prefix, const char *start, const char *end)
{
char ch;
unsigned i;
unsigned n;
char *result;
i = grub_strlen (prefix);
n = i + end - start;
result = grub_malloc (n + 1);
if (! result)
return 0;
grub_strcpy (result, prefix);
while (start < end && (ch = *start++))
if (ch == '\\' && isregexop (*start))
result[i++] = *start++;
else
result[i++] = ch;
result[i] = '\0';
return result;
}
/* Split `str' into two parts: (1) dirname that is regexop free (2)
dirname that has a regexop. */
static void
split_path (const char *str, const char **noregexop, const char **regexop)
{
char ch = 0;
int regex = 0;
const char *end;
const char *split; /* points till the end of dirnaname that doesn't
need expansion. */
split = end = str;
while ((ch = *end))
{
if (ch == '\\' && end[1])
end++;
else if (isregexop (ch))
regex = 1;
else if (ch == '/' && ! regex)
split = end + 1; /* forward to next regexop-free dirname */
else if (ch == '/' && regex)
break; /* stop at the first dirname with a regexop */
end++;
}
*regexop = end;
if (! regex)
*noregexop = end;
else
*noregexop = split;
}
