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build: fix MSVS2017 warning

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This commit is contained in:
Alexander Alekhin
2017-09-29 18:16:55 +03:00
committed by Alexander Alekhin
parent a9effeeb35
commit 1f18282f04
4 changed files with 14 additions and 4 deletions
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modules/core/src/command_line_parser.cpp
+6 -1
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@@ -69,9 +69,14 @@ static const char* get_type_name(int type)
return "unknown";
}
// std::tolower is int->int
static char char_tolower(char ch)
{
return (char)std::tolower((int)ch);
}
static bool parse_bool(std::string str)
{
std::transform(str.begin(), str.end(), str.begin(), ::tolower);
std::transform(str.begin(), str.end(), str.begin(), char_tolower);
std::istringstream is(str);
bool b;
is >> (str.size() > 1 ? std::boolalpha : std::noboolalpha) >> b;