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Fixing a few cases of undefined behaviour introduced by recent

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formatter work.

Thanks, Coverity!
This commit is contained in:
Robin Sommer 2014-03-14 08:45:36 -07:00
parent 17f9d0a47d
commit 8b241947d6
7 changed files with 21 additions and 15 deletions
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26
src/threading/formatters/Ascii.cc
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@ -201,7 +201,7 @@ bool Ascii::Describe(ODesc* desc, threading::Value* val, const string& name) con
}
threading::Value* Ascii::ParseValue(string s, string name, TypeTag type, TypeTag subtype) const
threading::Value* Ascii::ParseValue(const string& s, const string& name, TypeTag type, TypeTag subtype) const
{
if ( s.compare(separators.unset_field) == 0 ) // field is not set...
return new threading::Value(type, false);
@ -214,10 +214,12 @@ threading::Value* Ascii::ParseValue(string s, string name, TypeTag type, TypeTag
switch ( type ) {
case TYPE_ENUM:
case TYPE_STRING:
s = get_unescaped_string(s);
val->val.string_val.length = s.size();
val->val.string_val.data = copy_string(s.c_str());
{
string unescaped = get_unescaped_string(s);
val->val.string_val.length = unescaped.size();
val->val.string_val.data = copy_string(unescaped.c_str());
break;
}
case TYPE_BOOL:
if ( s == "T" )
@ -263,21 +265,21 @@ threading::Value* Ascii::ParseValue(string s, string name, TypeTag type, TypeTag
case TYPE_SUBNET:
{
s = get_unescaped_string(s);
size_t pos = s.find("/");
if ( pos == s.npos )
string unescaped = get_unescaped_string(s);
size_t pos = unescaped.find("/");
if ( pos == unescaped.npos )
{
GetThread()->Error(GetThread()->Fmt("Invalid value for subnet: %s", start));
goto parse_error;
}
string width_str = s.substr(pos + 1);
string width_str = unescaped.substr(pos + 1);
uint8_t width = (uint8_t) strtol(width_str.c_str(), &end, 10);
if ( CheckNumberError(start, end) )
goto parse_error;
string addr = s.substr(0, pos);
string addr = unescaped.substr(0, pos);
val->val.subnet_val.prefix = ParseAddr(addr);
val->val.subnet_val.length = width;
@ -285,9 +287,11 @@ threading::Value* Ascii::ParseValue(string s, string name, TypeTag type, TypeTag
}
case TYPE_ADDR:
s = get_unescaped_string(s);
val->val.addr_val = ParseAddr(s);
{
string unescaped = get_unescaped_string(s);
val->val.addr_val = ParseAddr(unescaped);
break;
}
case TYPE_TABLE:
case TYPE_VECTOR: