FEAT: OnTheSpot editing.
FEAT: tabbed windows (hey, just use screen...)
- - try very hard not to exhaust the tty output buffer, even
+ - try very hard not to exhaust the kernel tty buffers, even
if it slows down large pastes.
4.5 Mon Dec 13 07:47:16 CET 2004
{
if (len < 0) len = strlen (str);
- wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
- wchar_t *p = r;
+ wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)),
+ *p = r;
- unsigned char *s = (unsigned char *)str;
+ unsigned char *s = (unsigned char *)str,
+ *e = s + len;
- while (len)
+ for (;;)
{
- if (s[0] < 0x80)
- {
- *p++ = *s++; len--;
- }
- else if (len > 0
+ len = e - s;
+
+ if (len == 0)
+ break;
+ else if (s[0] < 0x80)
+ *p++ = *s++;
+ else if (len >= 2
&& s[0] >= 0xc2 && s[0] <= 0xdf
&& (s[1] & 0xc0) == 0x80)
{
*p++ = ((s[0] & 0x1f) << 6)
| (s[1] & 0x3f);
- s += 2; len -= 2;
+ s += 2;
}
- else if (len > 1
+ else if (len >= 3
&& ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf)
|| (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf)
|| (s[0] == 0xed && s[1] >= 0x80 && s[1] <= 0x9f)
*p++ = ((s[0] & 0x0f) << 12)
| ((s[1] & 0x3f) << 6)
| (s[2] & 0x3f);
- s += 3; len -= 3;
+ s += 3;
}
- else if (len > 2
+ else if (len >= 4
&& ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf)
|| (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf)
|| (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f)
| ((s[1] & 0x3f) << 12)
| ((s[2] & 0x3f) << 6)
| (s[3] & 0x3f);
- s += 4; len -= 4;
+ s += 4;
}
else
{
*p++ = 0xfffd;
- s++; len--;
+ s++;
}
}