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ASCII: Split out A-F test.

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This commit is contained in:
Michael Drake 2017-03-27 14:50:36 +01:00
parent 04d74a79ae
commit 3ec522429a
1 changed files with 13 additions and 3 deletions
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16
utils/ascii.h
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@ -122,6 +122,17 @@ static inline bool ascii_is_hex_lower(char c)
(c >= 'a' && c <= 'f')); (c >= 'a' && c <= 'f'));
} }
/**
* Test whether a character is 'A' to 'F' (uppercase).
*
* \param[in] c Character to test.
* \return true iff `c` is 'A' to 'F' (uppercase), else false.
*/
static inline bool ascii_is_af_upper(char c)
{
return (c >= 'A' && c <= 'F');
}
/** /**
* Test whether a character is hexadecimal (upper case). * Test whether a character is hexadecimal (upper case).
* *
@ -130,8 +141,7 @@ static inline bool ascii_is_hex_lower(char c)
*/ */
static inline bool ascii_is_hex_upper(char c) static inline bool ascii_is_hex_upper(char c)
{ {
return (ascii_is_digit(c) || return (ascii_is_digit(c) || ascii_is_af_upper(c));
(c >= 'A' && c <= 'F'));
} }
/** /**
@ -143,7 +153,7 @@ static inline bool ascii_is_hex_upper(char c)
static inline bool ascii_is_hex(char c) static inline bool ascii_is_hex(char c)
{ {
return (ascii_is_digit(c) || return (ascii_is_digit(c) ||
(c >= 'A' && c <= 'F') || ascii_is_af_upper(c) ||
(c >= 'a' && c <= 'f')); (c >= 'a' && c <= 'f'));
} }