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ALL: Massive 'const' cleanup

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These changes facilitate more robust parameter type checking and helps
to identify unexpected coding errors.

Most simulators can now also be compiled with a C++ compiler without
warnings.

Additionally, these changes have also been configured to facilitate easier
backporting of simulator and device simulation modules to run under the
simh v3.9+ SCP framework.
This commit is contained in:
Mark Pizzolato
2016-05-15 15:25:33 -07:00
parent 60a8a2d43d
commit 5531ccb175
444 changed files with 4119 additions and 3798 deletions
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23
PDP10/pdp10_sys.c
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@@ -344,7 +344,7 @@ return SCPE_OK;
/* Master loader */
t_stat sim_load (FILE *fileref, char *cptr, char *fnam, int flag)
t_stat sim_load (FILE *fileref, CONST char *cptr, CONST char *fnam, int flag)
{
d10 data;
int32 wc, fmt;
@@ -782,11 +782,11 @@ return SCPE_ARG;
val = output value
*/
t_value get_opnd (char *cptr, t_stat *status)
t_value get_opnd (CONST char *cptr, t_stat *status)
{
int32 sign = 0;
t_value val, xr = 0, ind = 0;
const char *tptr;
CONST char *tptr;
*status = SCPE_ARG; /* assume fail */
if (*cptr == '@') {
@@ -804,14 +804,14 @@ if (val > 0777777)
return 0;
if (sign)
val = (~val + 1) & 0777777;
cptr = (char *)tptr;
cptr = tptr;
if (*cptr == '(') {
cptr++;
xr = strtotv (cptr, &tptr, 8);
if ((cptr == tptr) || (*tptr != ')') ||
(xr > AC_NUM) || (xr == 0))
return 0;
cptr = (char *)++tptr;
cptr = ++tptr;
}
if (*cptr == 0)
*status = SCPE_OK;
@@ -830,20 +830,17 @@ return (ind | (xr << 18) | val);
status = error status
*/
t_stat parse_sym (char *cptr, t_addr addr, UNIT *uptr, t_value *val, int32 sw)
t_stat parse_sym (CONST char *cptr, t_addr addr, UNIT *uptr, t_value *val, int32 sw)
{
int32 i, j;
t_value ac, dev;
t_stat r;
char gbuf[CBUFSIZE];
char gbuf[CBUFSIZE], cbuf[2*CBUFSIZE];
while (isspace (*cptr)) cptr++;
for (i = 0; i < 6; i++) {
if (cptr[i] == 0) {
for (j = i + 1; j <= 6; j++) cptr[j] = 0;
break;
}
}
memset (cbuf, '\0', sizeof(cbuf));
strncpy (cbuf, cptr, sizeof(cbuf)-7);
cptr = cbuf;
if ((sw & SWMASK ('A')) || ((*cptr == '\'') && cptr++)) { /* ASCII char? */
if (cptr[0] == 0) /* must have 1 char */
return SCPE_ARG;