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I1620: Guardbanded translation table lookups (COVERITY)

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Bob Supnik 2017-03-09 19:46:29 -08:00 • committed by Mark Pizzolato
parent 2d4004b936
commit 92e809f7c9
1 changed files with 4 additions and 3 deletions
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7
I1620/i1620_cd.c
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@ -1,6 +1,6 @@
/* i1620_cd.c: IBM 1622 card reader/punch
Copyright (c) 2002-2015, Robert M. Supnik
Copyright (c) 2002-2017, Robert M. Supnik
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
@ -26,6 +26,7 @@
cdr 1622 card reader
cdp 1622 card punch
09-Mar-17 RMS Guardbanded translation table lookups (COVERITY)
31-Jan-15 TFM Changes to translation tables (Tom McBride)
10-Dec-13 RMS Fixed WA card punch translations (Bob Armstrong)
Fixed card reader EOL processing (Bob Armstrong)
@ -289,7 +290,7 @@ switch (op) { /* case on op */
if (r != SCPE_OK) /* error? */
return r;
for (i = 0; i < CD_LEN; i++) { /* transfer to mem */
cdc = cdr_to_num[cdr_buf[i]]; /* translate */
cdc = cdr_to_num[cdr_buf[i] & 0177]; /* translate */
if (cdc < 0) { /* invalid? */
ind[IN_RDCHK] = 1; /* set read check */
if (io_stop) /* set return status */
@ -306,7 +307,7 @@ switch (op) { /* case on op */
if (r != SCPE_OK) /* error? */
return r;
for (i = 0; i < CD_LEN; i++) { /* transfer to mem */
cdc = cdr_to_alp[cdr_buf[i]]; /* translate */
cdc = cdr_to_alp[cdr_buf[i] & 0177]; /* translate */
if (cdc < 0) { /* invalid? */
ind[IN_RDCHK] = 1; /* set read check */
if (io_stop) /* set return status */