Package: <kon2>
Version: 0.3.9b-17
kon2 doesn't run on linux-2.6.9-2-686.
matx# kon
Kanji ON Console ver.0.3.9 (2000/04/09)
mmap: Success
KON> error reading /etc/kon.cfg
matx#
Because, mmap() return value check was wrong.
Following patch fix the problem.
--- src/display/vga.c.orig 2000-04-09 10:17:04.000000000 +0900
+++ src/display/vga.c 2005-01-15 17:48:31.000000000 +0900
@@ -692,7 +692,7 @@
GRAPH_BASE
);
close(devMem);
- if ((long)gramMem < 0) {
+ if ((long)gramMem == -1L) {
perror("mmap");
return FAILURE;
}
Other sources, such as j31sx.c and j3100.c, also contain this bug.
These shoud be corrected too, but I've not checked.
The error message "error reading /etc/kon.cfg" is erroneous.
Until 2.6.8, the returned pointer of mmap() might point to lower 2GB
region, so, it didn't cause problem.
K.Kumon
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