Function readU32FromChar

freebsd/contrib/zstd/programs/zstdcli.c:319–324

! readU32FromChar() : * @return : unsigned integer value read from input in `char` format. * allows and interprets K, KB, KiB, M, MB and MiB suffix. * Will also modify `*stringPtr`, advancing it to position where it stopped reading. * Note : function will exit() program if digit sequence overflows */

 *  Will also modify `*stringPtr`, advancing it to position where it stopped reading.
 *  Note : function will exit() program if digit sequence overflows */
static unsigned readU32FromChar(const char** stringPtr) {
    static const char errorMsg[] = "error: numeric value overflows 32-bit unsigned int";
    unsigned result;
    if (readU32FromCharChecked(stringPtr, &result)) { errorOut(errorMsg); }
    return result;
}

/*! readSizeTFromCharChecked() :
 * @return 0 if success, and store the result in *value.