Over the past year or so, I noticed that the END key doesn't always
position the cursor where I expect it to... However, I never noticed
the pattern behind the problem -- until today.
It happens when you type a line, then delete some of the data in the
field, then press the end key.
Looking at the code, I see that in display.c, the tn5250_display_kf_end
routine determines the end of the string by checking if the last character
of the string is '\0'. If it is, it backs up through the string til it
finds the last non-0x00 character.
However, in the tn5250_dbuffer_del() routine, when a character is deleted,
it places a 0x40 at end of the string to keep the length constant.
Because the end of the string is now 0x40 instead of 0x00, the cursor
does not position correctly.
Here's a patch -- please check it for correctness, and if possible,
commit it. Thanks!
--- dbuffer.c.orig Thu Jun 8 12:45:34 2000
+++ dbuffer.c Mon Nov 6 17:50:47 2000
@@ -562,7 +562,7 @@
x = fwdx;
y = fwdy;
}
- This->data[y * This->w + x] = 0x40;
+ This->data[y * This->w + x] = 0x00;
ASSERT_VALID(This);
}
+---
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+---
