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util: Make ToLower and ToUpper take a char

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Unfortunately, `std::string` elements are (bare) chars. As these
are the most likely type to be passed to these functions, make them use
char instead of unsigned char. This avoids some casts.
This commit is contained in:
Wladimir J. van der Laan 2019-01-10 01:46:32 +01:00
parent edb5bb3500
commit 332b3dd7c1
4 changed files with 6 additions and 6 deletions
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2
src/uint256.cpp
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@ -33,7 +33,7 @@ void base_blob<BITS>::SetHex(const char* psz)
psz++;
// skip 0x
if (psz[0] == '0' && ToLower((unsigned char)psz[1]) == 'x')
if (psz[0] == '0' && ToLower(psz[1]) == 'x')
psz += 2;
// hex string to uint