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B5500: Fixed Coverity bugs.

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This commit is contained in:
Richard Cornwell 2017-03-14 20:50:09 -04:00
parent df1baf2528
commit 485114cae3
2 changed files with 7 additions and 3 deletions
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4
B5500/b5500_cpu.c
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@ -3981,11 +3981,11 @@ cpu_show_hist(FILE * st, UNIT * uptr, int32 val, CONST void *desc)
int i;
fprintf(st, "%o %05o%o ", h->cpu, h->c & 077777, h->l);
sim_eval = (t_value)h->a_reg;
fprint_sym(st, 0, &sim_eval, &cpu_unit[0], SWMASK('B'));
(void)fprint_sym(st, 0, &sim_eval, &cpu_unit[0], SWMASK('B'));
fputc((h->flags & F_AROF) ? '^': ' ', st);
fputc(' ', st);
sim_eval = (t_value)h->b_reg;
fprint_sym(st, 0, &sim_eval, &cpu_unit[0], SWMASK('B'));
(void)fprint_sym(st, 0, &sim_eval, &cpu_unit[0], SWMASK('B'));
fputc((h->flags & F_BROF) ? '^': ' ', st);
fputc(' ', st);
fprint_val(st, (t_value)h->x_reg, 8, 39, PV_RZRO);

6
B5500/b5500_dtc.c
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@ -363,10 +363,14 @@ t_stat dtc_srv(UNIT * uptr)
switch(i) {
case BufNotReady:
chan_set_notrdy(chan);
/* Fall through */
case BufInputBusy:
/* Fall through */
case BufRead:
/* Fall through */
case BufReadRdy:
chan_set_error(chan);
/* Fall through */
case BufOutBusy:
chan_set_eof(chan);
chan_set_end(chan);
@ -782,7 +786,7 @@ t_stat dtc_setnl (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
newln = (int32) get_uint (cptr, 10, DTC_MLINES, &r);
if ((r != SCPE_OK) || (newln == dtc_desc.lines))
return r;
if ((newln == 0) || (newln > DTC_MLINES))
if ((newln == 0) || (newln >= DTC_MLINES))
return SCPE_ARG;
newln--;
if (newln < dtc_desc.lines) {