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Avoid using strcasecmp()

This commit is contained in:
Clifford Wolf 2016-10-14 18:20:36 +02:00
parent 7fc69b3095
commit e4c5ee9b89
1 changed files with 21 additions and 2 deletions
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23
passes/techmap/attrmap.cc
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@ -33,13 +33,32 @@ Const make_value(string &value)
return sig.as_const();
}
bool string_compare_nocase(const string &str1, const string &str2)
{
if (str1.size() != str2.size())
return false;
for (size_t i = 0; i < str1.size(); i++)
{
char ch1 = str1[i], ch2 = str2[i];
if ('a' <= ch1 && ch1 <= 'z')
ch1 -= 'a' - 'A';
if ('a' <= ch2 && ch2 <= 'z')
ch2 -= 'a' - 'A';
if (ch1 != ch2)
return false;
}
return true;
}
bool match_name(string &name, IdString &id, bool ignore_case=false)
{
string str1 = RTLIL::escape_id(name);
string str2 = id.str();
if (ignore_case)
return !strcasecmp(str1.c_str(), str2.c_str());
return string_compare_nocase(str1, str2);
return str1 == str2;
}
@ -49,7 +68,7 @@ bool match_value(string &value, Const &val, bool ignore_case=false)
if (ignore_case && ((val.flags & RTLIL::CONST_FLAG_STRING) != 0) && GetSize(value) && value.front() == '"' && value.back() == '"') {
string str1 = value.substr(1, GetSize(value)-2);
string str2 = val.decode_string();
return !strcasecmp(str1.c_str(), str2.c_str());
return string_compare_nocase(str1, str2);
}
return make_value(value) == val;