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Merge pull request #472 from makusuko/fix-rules-label

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Fix NULL pointer error if rules label is missing
This commit is contained in:
Lew Rossman
2019-05-08 09:47:37 -04:00
committed by GitHub
parent d56601de43 1b3141a8c7
commit 6ace84384b
2 changed files with 25 additions and 14 deletions
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5
LICENSE
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@@ -1,11 +1,6 @@
MIT License
<<<<<<< HEAD
Works are copyright (c) 2018 their respective AUTHORS,
unless such work is in the Public Domain (again, see AUTHORS)
=======
Copyright (c) 2017 Open Water Analytics
>>>>>>> master
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

34
src/rules.c
View File

@@ -110,6 +110,10 @@ void initrules(Project *pr)
//--------------------------------------------------------------
{
pr->rules.RuleState = r_PRIORITY;
pr->rules.LastPremise = NULL;
pr->rules.LastThenAction = NULL;
pr->rules.LastElseAction = NULL;
pr->rules.ActionList = NULL;
pr->network.Rule = NULL;
}
@@ -169,8 +173,14 @@ void freerules(Project *pr)
//--------------------------------------------------------------
{
int i;
// Already freed
if (pr->network.Rule == NULL)
return;
for (i = 1; i <= pr->network.Nrules; i++) clearrule(pr, i);
free(pr->network.Rule);
pr->network.Rule = NULL;
}
int ruledata(Project *pr)
@@ -199,6 +209,12 @@ int ruledata(Project *pr)
break;
case r_RULE:
// Missing the rule label
if (parser->Ntokens != 2)
{
err = 201;
break;
}
net->Nrules++;
newrule(pr);
rules->RuleState = r_RULE;
@@ -302,24 +318,24 @@ void ruleerrmsg(Project *pr)
// Get label of rule being parsed
if (net->Nrules > 0)
{
strcpy(label, t_RULE);
strcat(label, " ");
strcat(label, net->Rule[net->Nrules].label);
strncpy(label, t_RULE, MAXMSG);
strncat(label, " ", MAXMSG);
strncat(label, net->Rule[net->Nrules].label, MAXMSG);
}
else strcpy(label, t_RULES_SECT);
else strncpy(label, t_RULES_SECT, MAXMSG);
// Write rule label and error message to status report
sprintf(pr->Msg, "%s", msg);
strcat(pr->Msg, label);
strcat(pr->Msg, ":");
snprintf(pr->Msg, MAXMSG, "%s", msg);
strncat(pr->Msg, label, MAXMSG);
strncat(pr->Msg, ":", MAXMSG);
writeline(pr, pr->Msg);
// Write text of rule clause being parsed to status report
strcpy(msg, Tok[0]);
for (i = 1; i < parser->Ntokens; i++)
{
strcat(msg, " ");
strcat(msg, Tok[i]);
strncat(msg, " ", MAXLINE);
strncat(msg, Tok[i], MAXLINE);
}
writeline(pr, msg);
}