Patch from Yoshida Masato to fill in the missing pieces of Windows

[u/mdw/putty] / terminal.c

diff --git a/terminal.c b/terminal.c
index abb06e2..d23cbe9 100644 (file)
--- a/terminal.c
+++ b/terminal.c
@@ -3016,8 +3016,8 @@ static void term_out(Terminal *term)
                        width = 1;
                    if (!width)
                        width = (term->cjk_ambig_wide ?
-                                mk_wcwidth_cjk((wchar_t) c) :
-                                mk_wcwidth((wchar_t) c));
+                                mk_wcwidth_cjk((unsigned int) c) :
+                                mk_wcwidth((unsigned int) c));
 
                    if (term->wrapnext && term->wrap && width > 0) {
                        cline->lattr |= LATTR_WRAPPED;
@@ -4692,7 +4692,7 @@ static termchar *term_bidi_line(Terminal *term, struct termline *ldata,
                }
 
                term->wcFrom[it].origwc = term->wcFrom[it].wc =
-                   (wchar_t)uc;
+                   (unsigned int)uc;
                term->wcFrom[it].index = it;
            }
 
@@ -5067,10 +5067,17 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
                dirty_run = TRUE;
            }
 
-           if (ccount >= chlen) {
+           if (ccount+2 > chlen) {
                chlen = ccount + 256;
                ch = sresize(ch, chlen, wchar_t);
            }
+
+#ifdef PLATFORM_IS_UTF16
+           if (tchar > 0x10000 && tchar < 0x110000) {
+               ch[ccount++] = (wchar_t) HIGH_SURROGATE_OF(tchar);
+               ch[ccount++] = (wchar_t) LOW_SURROGATE_OF(tchar);
+           } else
+#endif /* PLATFORM_IS_UTF16 */
            ch[ccount++] = (wchar_t) tchar;
 
            if (d->cc_next) {
@@ -5094,10 +5101,17 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
                        break;
                    }
 
-                   if (ccount >= chlen) {
+                   if (ccount+2 > chlen) {
                        chlen = ccount + 256;
                        ch = sresize(ch, chlen, wchar_t);
                    }
+
+#ifdef PLATFORM_IS_UTF16
+                   if (schar > 0x10000 && schar < 0x110000) {
+                       ch[ccount++] = (wchar_t) HIGH_SURROGATE_OF(schar);
+                       ch[ccount++] = (wchar_t) LOW_SURROGATE_OF(schar);
+                   } else
+#endif /* PLATFORM_IS_UTF16 */
                    ch[ccount++] = (wchar_t) schar;
                }