- for (; idx<len; idx++) {
- l|=p[idx]&0x7f;
- if (!(p[idx] & 0x80)) {
- BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
- i=strlen(tbuf);
+ use_bn = 0;
+ for (;;)
+ {
+ unsigned char c = *p++;
+ len--;
+ if ((len == 0) && (c & 0x80))
+ goto err;
+ if (use_bn)
+ {
+ if (!BN_add_word(bl, c & 0x7f))
+ goto err;
+ }
+ else
+ l |= c & 0x7f;
+ if (!(c & 0x80))
+ break;
+ if (!use_bn && (l > (ULONG_MAX >> 7L)))
+ {
+ if (!bl && !(bl = BN_new()))
+ goto err;
+ if (!BN_set_word(bl, l))
+ goto err;
+ use_bn = 1;
+ }
+ if (use_bn)
+ {
+ if (!BN_lshift(bl, bl, 7))
+ goto err;
+ }
+ else
+ l<<=7L;
+ }
+
+ if (first)
+ {
+ first = 0;
+ if (l >= 80)
+ {
+ i = 2;
+ if (use_bn)
+ {
+ if (!BN_sub_word(bl, 80))
+ goto err;
+ }
+ else
+ l -= 80;
+ }
+ else
+ {
+ i=(int)(l/40);
+ l-=(long)(i*40);
+ }
+ if (buf && (buf_len > 0))
+ {
+ *buf++ = i + '0';
+ buf_len--;
+ }
+ n++;
+ }
+
+ if (use_bn)
+ {
+ char *bndec;
+ bndec = BN_bn2dec(bl);
+ if (!bndec)
+ goto err;
+ i = strlen(bndec);
+ if (buf)
+ {