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Fix range check in pyramid_set_char (bug #43).

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mmdolze
2013-05-04 08:21:55 +00:00
parent 6e6900922e
commit 35d37bd230
1 changed files with 1 additions and 1 deletions
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server/drivers/pylcd.c
+1 -1
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@@ -564,7 +564,7 @@ pyramid_set_char(Driver *drvthis, int n, unsigned char *dat)
PrivateData *p = (PrivateData *) drvthis->private_data; PrivateData *p = (PrivateData *) drvthis->private_data;
unsigned char mask = (1 << p->cellwidth) - 1; unsigned char mask = (1 << p->cellwidth) - 1;
if (n < 0 && n > 7) { if (n < 0 || n > 7) {
debug(RPT_WARNING, "only characters 0-7 can be changed"); debug(RPT_WARNING, "only characters 0-7 can be changed");
return; return;
} }