gdb-server/hex.c

#include <hex.h>

bool parseHexDigit(char digit, char *out) {
    if (digit >= '0' && digit <= '9') {
        *out = digit - '0';
        return true;
    }
    if (digit >= 'a' && digit <= 'f') {
        *out = digit - 'a' + 10;
        return true;
    }
    if (digit >= 'A' && digit <= 'F') {
        *out = digit - 'A' + 10;
        return true;
    }
    return false;
}