Function x2c

server/util.c:1845–1866

}

static char x2c(const char *what)
{
    char digit;

#if !APR_CHARSET_EBCDIC
    digit = ((what[0] >= 'A') ? ((what[0] & 0xdf) - 'A') + 10
             : (what[0] - '0'));
    digit *= 16;
    digit += (what[1] >= 'A' ? ((what[1] & 0xdf) - 'A') + 10
              : (what[1] - '0'));
#else /*APR_CHARSET_EBCDIC*/
    char xstr[5];
    xstr[0]='0';
    xstr[1]='x';
    xstr[2]=what[0];
    xstr[3]=what[1];
    xstr[4]='\0';
    digit = apr_xlate_conv_byte(ap_hdrs_from_ascii,
                                0xFF & strtol(xstr, NULL, 16));
#endif /*APR_CHARSET_EBCDIC*/
    return (digit);
}

/*
 * Unescapes a URL, leaving reserved characters intact.