static void _PrintInt()

in Firmware/Segger/SEGGER_RTT_printf.c [227:297]

• 52 lines of code
• 26 McCabe index (conditional complexity)

static void _PrintInt(SEGGER_RTT_PRINTF_DESC * pBufferDesc, int v, unsigned Base, unsigned NumDigits, unsigned FieldWidth, unsigned FormatFlags) {
  unsigned Width;
  int Number;

  Number = (v < 0) ? -v : v;

  //
  // Get actual field width
  //
  Width = 1u;
  while (Number >= (int)Base) {
    Number = (Number / (int)Base);
    Width++;
  }
  if (NumDigits > Width) {
    Width = NumDigits;
  }
  if ((FieldWidth > 0u) && ((v < 0) || ((FormatFlags & FORMAT_FLAG_PRINT_SIGN) == FORMAT_FLAG_PRINT_SIGN))) {
    FieldWidth--;
  }

  //
  // Print leading spaces if necessary
  //
  if ((((FormatFlags & FORMAT_FLAG_PAD_ZERO) == 0u) || (NumDigits != 0u)) && ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == 0u)) {
    if (FieldWidth != 0u) {
      while ((FieldWidth != 0u) && (Width < FieldWidth)) {
        FieldWidth--;
        _StoreChar(pBufferDesc, ' ');
        if (pBufferDesc->ReturnValue < 0) {
          break;
        }
      }
    }
  }
  //
  // Print sign if necessary
  //
  if (pBufferDesc->ReturnValue >= 0) {
    if (v < 0) {
      v = -v;
      _StoreChar(pBufferDesc, '-');
    } else if ((FormatFlags & FORMAT_FLAG_PRINT_SIGN) == FORMAT_FLAG_PRINT_SIGN) {
      _StoreChar(pBufferDesc, '+');
    } else {

    }
    if (pBufferDesc->ReturnValue >= 0) {
      //
      // Print leading zeros if necessary
      //
      if (((FormatFlags & FORMAT_FLAG_PAD_ZERO) == FORMAT_FLAG_PAD_ZERO) && ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == 0u) && (NumDigits == 0u)) {
        if (FieldWidth != 0u) {
          while ((FieldWidth != 0u) && (Width < FieldWidth)) {
            FieldWidth--;
            _StoreChar(pBufferDesc, '0');
            if (pBufferDesc->ReturnValue < 0) {
              break;
            }
          }
        }
      }
      if (pBufferDesc->ReturnValue >= 0) {
        //
        // Print number without sign
        //
        _PrintUnsigned(pBufferDesc, (unsigned)v, Base, NumDigits, FieldWidth, FormatFlags);
      }
    }
  }
}