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%% options
copyright owner = Dirk Krause
copyright year = 2015-xxxx
license = bsd
%% header
/** @file
Comparison between signed and unsigned
character.
*/
#ifdef __cplusplus
extern "C" {
#endif
/** Compare signed and unsigned char.
@param s Signed char.
@param u Unsigned char.
@return 1 if s>u, 0 if s==u, -1 if s<u.
*/
int
dk4ma_char_compare(signed char s, unsigned char u);
#ifdef __cplusplus
}
#endif
%% module
#include "dk4macc.h"
int
dk4ma_char_compare(signed char s, unsigned char u)
{
int back = 0;
if (0 > s) {
back = -1;
} else {
if ((unsigned char)s < u) {
back = -1;
} else {
if ((unsigned char)s > u) {
back = 1;
}
}
}
return back;
}
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