void mutt_expand_file_fmt (char *dest, size_t destlen, const char *fmt, const char *src)
{
char tmp[LONG_STRING];
mutt_quote_filename (tmp, sizeof (tmp), src);
mutt_expand_fmt (dest, destlen, fmt, tmp);
}
int rfc1524_expand_filename (char *nametemplate,
char *oldfile,
char *newfile,
size_t nflen)
{
int i, j, k, ps;
char *s;
short lmatch = 0, rmatch = 0;
char left[_POSIX_PATH_MAX];
char right[_POSIX_PATH_MAX];
newfile[0] = 0;
/* first, ignore leading path components.
*/
if (nametemplate && (s = strrchr (nametemplate, '/')))
nametemplate = s + 1;
if (oldfile && (s = strrchr (oldfile, '/')))
oldfile = s + 1;
if (!nametemplate)
{
if (oldfile)
strfcpy (newfile, oldfile, nflen);
}
else if (!oldfile)
{
mutt_expand_fmt (newfile, nflen, nametemplate, "mutt");
}
else /* oldfile && nametemplate */
{
/* first, compare everything left from the "%s"
* (if there is one).
*/
lmatch = 1; ps = 0;
for(i = 0; nametemplate[i]; i++)
{
if(nametemplate[i] == '%' && nametemplate[i+1] == 's')
{
ps = 1;
break;
}
/* note that the following will _not_ read beyond oldfile's end. */
if(lmatch && nametemplate[i] != oldfile[i])
lmatch = 0;
}
if(ps)
{
/* If we had a "%s", check the rest. */
/* now, for the right part: compare everything right from
* the "%s" to the final part of oldfile.
*
* The logic here is as follows:
*
* - We start reading from the end.
* - There must be a match _right_ from the "%s",
* thus the i + 2.
* - If there was a left hand match, this stuff
* must not be counted again. That's done by the
* condition (j >= (lmatch ? i : 0)).
*/
rmatch = 1;
for(j = mutt_strlen(oldfile) - 1, k = mutt_strlen(nametemplate) - 1 ;
j >= (lmatch ? i : 0) && k >= i + 2;
j--, k--)
{
if(nametemplate[k] != oldfile[j])
{
rmatch = 0;
break;
}
}
/* Now, check if we had a full match. */
if(k >= i + 2)
rmatch = 0;
if(lmatch) *left = 0;
else strnfcpy(left, nametemplate, sizeof(left), i);
if(rmatch) *right = 0;
else strfcpy(right, nametemplate + i + 2, sizeof(right));
snprintf(newfile, nflen, "%s%s%s", left, oldfile, right);
}
else
{
/* no "%s" in the name template. */
strfcpy(newfile, nametemplate, nflen);
}
}
mutt_adv_mktemp(newfile, nflen);
if(rmatch && lmatch)
return 0;
else
return 1;
}
