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Fix compiler warnings for gcc & clang

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When compiling with -Wimplicit-int-conversion and -Wsign-conversion
gcc/clang give warnings for a handful of lines. Silence the warnings
by adding explicit casts.
This commit is contained in:
Jason 2021-12-23 08:44:37 -08:00
parent 197905e841
commit d393e00037
1 changed files with 8 additions and 7 deletions
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15
include/uuid.h
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@ -58,11 +58,11 @@ namespace uuids
constexpr inline unsigned char hex2char(TChar const ch)
{
if (ch >= static_cast<TChar>('0') && ch <= static_cast<TChar>('9'))
return ch - static_cast<TChar>('0');
return static_cast<unsigned char>(ch - static_cast<TChar>('0'));
if (ch >= static_cast<TChar>('a') && ch <= static_cast<TChar>('f'))
return 10 + ch - static_cast<TChar>('a');
return static_cast<unsigned char>(10 + ch - static_cast<TChar>('a'));
if (ch >= static_cast<TChar>('A') && ch <= static_cast<TChar>('F'))
return 10 + ch - static_cast<TChar>('A');
return static_cast<unsigned char>(10 + ch - static_cast<TChar>('A'));
return 0;
}
@ -418,7 +418,7 @@ namespace uuids
{
auto str = detail::to_string_view(in_str);
bool firstDigit = true;
int hasBraces = 0;
size_t hasBraces = 0;
size_t index = 0;
if (str.empty())
@ -462,7 +462,7 @@ namespace uuids
{
auto str = detail::to_string_view(in_str);
bool firstDigit = true;
int hasBraces = 0;
size_t hasBraces = 0;
size_t index = 0;
std::array<uint8_t, 16> data{ { 0 } };
@ -485,12 +485,13 @@ namespace uuids
if (firstDigit)
{
data[index] = detail::hex2char(str[i]) << 4;
data[index] = static_cast<uint8_t>(detail::hex2char(str[i]) << 4);
firstDigit = false;
}
else
{
data[index++] |= detail::hex2char(str[i]);
data[index] = static_cast<uint8_t>(data[index] | detail::hex2char(str[i]));
index++;
firstDigit = true;
}
}