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(svn r1923) - Fix: [ 1155696 ] Crash with german umlauts in station names. The width was not calculated using unsigned values, so all characters above 128 were "negative"

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- Codechange: a more proper check for a null pointer in tunnelbridge_cmd.c should have gone in with the previous commit
This commit is contained in:
Darkvater 2005-03-04 00:14:28 +00:00
parent 232fffffac
commit 0067f68117
2 changed files with 6 additions and 5 deletions
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8
misc_gui.c
View File

@ -765,7 +765,7 @@ void SetHScrollCount(Window *w, int num)
static void DelChar(Textbuf *tb)
{
tb->width -= GetCharacterWidth(tb->buf[tb->caretpos]);
tb->width -= GetCharacterWidth((byte)tb->buf[tb->caretpos]);
memmove(tb->buf + tb->caretpos, tb->buf + tb->caretpos + 1, tb->length - tb->caretpos);
tb->length--;
}
@ -781,7 +781,7 @@ bool DeleteTextBufferChar(Textbuf *tb, int delmode)
{
if (delmode == WKC_BACKSPACE && tb->caretpos != 0) {
tb->caretpos--;
tb->caretxoffs -= GetCharacterWidth(tb->buf[tb->caretpos]);
tb->caretxoffs -= GetCharacterWidth((byte)tb->buf[tb->caretpos]);
DelChar(tb);
return true;
@ -829,13 +829,13 @@ bool MoveTextBufferPos(Textbuf *tb, int navmode)
case WKC_LEFT:
if (tb->caretpos != 0) {
tb->caretpos--;
tb->caretxoffs -= GetCharacterWidth(tb->buf[tb->caretpos]);
tb->caretxoffs -= GetCharacterWidth((byte)tb->buf[tb->caretpos]);
return true;
}
break;
case WKC_RIGHT:
if (tb->caretpos < tb->length) {
tb->caretxoffs += GetCharacterWidth(tb->buf[tb->caretpos]);
tb->caretxoffs += GetCharacterWidth((byte)tb->buf[tb->caretpos]);
tb->caretpos++;
return true;
}

3
tunnelbridge_cmd.c
View File

@ -609,7 +609,8 @@ uint CheckTunnelBusy(uint tile, int *length)
return (uint)-1;
}
if (length) *length = len;
if (length != NULL)
*length = len;
return tile;
}