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SCP: Fix and document optional [count] parameter for EXPECT commands

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- Avoid "Goodbye" message when optional status is specified on EXIT command.
- Properly range check [count] specified on EXPECT commands
This commit is contained in:
Mark Pizzolato 2018-09-19 14:46:40 -07:00
parent d35b8725a3
commit 3c7f79f251
2 changed files with 11 additions and 6 deletions
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scp.c
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@ -984,9 +984,9 @@ static const char simh_help[] =
" support only E (execution) breakpoints.\n\n"
" Associated with a breakpoint are a count and, optionally, one or more\n"
" actions. Each time the breakpoint is taken, the associated count is\n"
" decremented. If the count is less than or equal to 0, the breakpoint\n"
" occurs; otherwise, it is deferred. When the breakpoint occurs, the\n"
" optional actions are automatically executed.\n\n"
" decremented. If the resulting count is less than or equal to 0, the\n"
" breakpoint occurs; otherwise, it is deferred. When the breakpoint occurs,\n"
" the optional actions are automatically executed.\n\n"
" A breakpoint is set by the BREAK or the SET BREAK commands:\n\n"
"++BREAK {-types} {<addr range>{[count]},{addr range...}}{;action;action...}\n"
"++SET BREAK {-types} {<addr range>{[count]},{addr range...}}{;action;action...}\n\n"
@ -2689,9 +2689,13 @@ return cmdp;
t_stat exit_cmd (int32 flag, CONST char *cptr)
{
if (cptr && *cptr)
t_stat r = SCPE_EXIT;
if (cptr && *cptr) {
sim_exit_status = atoi (cptr);
return SCPE_EXIT;
r |= SCPE_NOMESSAGE; /* exit silently with the specified status */
}
return r;
}
/* Help command */
@ -11611,8 +11615,9 @@ dev_name = tmxr_expect_line_name (exp);
after = get_default_env_parameter (dev_name, "SIM_EXPECT_HALTAFTER", 0);
if (*cptr == '[') {
cnt = (int32) strtotv (cptr + 1, &c1ptr, 10);
if ((cptr == c1ptr) || (*c1ptr != ']'))
if ((cptr == c1ptr) || (*c1ptr != ']') || (cnt <= 0))
return sim_messagef (SCPE_ARG, "Invalid Repeat count specification\n");
cnt -= 1;
cptr = c1ptr + 1;
while (sim_isspace(*cptr))
++cptr;