Fix potential memory leak. #73

Chernov Dmitriy

2016-03-02 3344d1a728d37f0fb3e82a6a945eee0c780eb734

 libscpi/inc/scpi/types.h

@@ -52,14 +52,14 @@
#endif

#if !HAVE_STDBOOL
   typedef unsigned char bool;
    typedef unsigned char bool;
#endif

#ifndef FALSE
    #define FALSE 0
#define FALSE 0
#endif
#ifndef TRUE
    #define TRUE (!FALSE)
#define TRUE (!FALSE)
#endif

    /* basic data types */
@@ -201,8 +201,29 @@

    typedef scpi_result_t(*scpi_command_callback_t)(scpi_t *);

    /* scpi error queue */
    typedef void * scpi_error_queue_t;
   struct _scpi_error_info_heap_t {
        size_t wr;
        //size_t rd;
      size_t count;
        size_t size;
        char * data;
   };
   typedef struct _scpi_error_info_heap_t scpi_error_info_heap_t;
	
   struct _scpi_error_t {
      int16_t error_code;
      const char * device_dependent_info;
   };
   typedef struct _scpi_error_t scpi_error_t;
		
    struct _scpi_fifo_t {
        int16_t wr;
        int16_t rd;
        int16_t count;
        int16_t size;
        scpi_error_t * data;
    };
    typedef struct _scpi_fifo_t scpi_fifo_t;

    /* scpi units */
    enum _scpi_unit_t {
@@ -212,8 +233,54 @@
        SCPI_UNIT_OHM,
        SCPI_UNIT_HERTZ,
        SCPI_UNIT_CELSIUS,
        SCPI_UNIT_SECONDS,
        SCPI_UNIT_DISTANCE
        SCPI_UNIT_SECOND,
        SCPI_UNIT_METER,
        SCPI_UNIT_GRAY,
        SCPI_UNIT_BECQUEREL,
        SCPI_UNIT_MOLE,
        SCPI_UNIT_DEGREE,
        SCPI_UNIT_GRADE,
        SCPI_UNIT_RADIAN,
        SCPI_UNIT_REVOLUTION,
        SCPI_UNIT_STERADIAN,
        SCPI_UNIT_SIEVERT,
        SCPI_UNIT_FARAD,
        SCPI_UNIT_COULOMB,
        SCPI_UNIT_SIEMENS,
        SCPI_UNIT_ELECTRONVOLT,
        SCPI_UNIT_JOULE,
        SCPI_UNIT_NEWTON,
        SCPI_UNIT_LUX,
        SCPI_UNIT_HENRY,
        SCPI_UNIT_ASTRONOMIC_UNIT,
        SCPI_UNIT_INCH,
        SCPI_UNIT_FOOT,
        SCPI_UNIT_PARSEC,
        SCPI_UNIT_MILE,
        SCPI_UNIT_NAUTICAL_MILE,
        SCPI_UNIT_LUMEN,
        SCPI_UNIT_CANDELA,
        SCPI_UNIT_WEBER,
        SCPI_UNIT_TESLA,
        SCPI_UNIT_ATOMIC_MASS,
        SCPI_UNIT_KILOGRAM,
        SCPI_UNIT_WATT,
        SCPI_UNIT_DBM,
        SCPI_UNIT_ATMOSPHERE,
        SCPI_UNIT_INCH_OF_MERCURY,
        SCPI_UNIT_MM_OF_MERCURY,
        SCPI_UNIT_PASCAL,
        SCPI_UNIT_TORT,
        SCPI_UNIT_BAR,
        SCPI_UNIT_DECIBEL,
        SCPI_UNIT_UNITLESS,
        SCPI_UNIT_FAGRENHEIT,
        SCPI_UNIT_KELVIN,
        SCPI_UNIT_DAY,
        SCPI_UNIT_YEAR,
        SCPI_UNIT_STROKES,
        SCPI_UNIT_POISE,
        SCPI_UNIT_LITER
    };
    typedef enum _scpi_unit_t scpi_unit_t;

@@ -255,6 +322,7 @@

    struct _scpi_number_parameter_t {
        scpi_bool_t special;

        union {
            double value;
            int32_t tag;
@@ -275,7 +343,9 @@
    struct _scpi_command_t {
        const char * pattern;
        scpi_command_callback_t callback;
#if USE_COMMAND_TAGS
        int32_t tag;
#endif /* USE_COMMAND_TAGS */
    };

    struct _scpi_interface_t {
@@ -294,14 +364,25 @@
        int_fast16_t output_count;
        int_fast16_t input_count;
        scpi_bool_t cmd_error;
        scpi_error_queue_t error_queue;
        scpi_reg_val_t * registers;
        scpi_fifo_t error_queue;
      scpi_error_info_heap_t error_info_heap;
        scpi_reg_val_t registers[SCPI_REG_COUNT];
        const scpi_unit_def_t * units;
        void * user_context;
        scpi_parser_state_t parser_state;
        const char * idn[4];
        size_t arbitrary_reminding;
    };

    enum _scpi_array_format_t {
        SCPI_FORMAT_ASCII = 0,
        SCPI_FORMAT_NORMAL = 1,
        SCPI_FORMAT_SWAPPED = 2,
        SCPI_FORMAT_BIGENDIAN = SCPI_FORMAT_NORMAL,
        SCPI_FORMAT_LITTLEENDIAN = SCPI_FORMAT_SWAPPED,
    };
    typedef enum _scpi_array_format_t scpi_array_format_t;

#ifdef  __cplusplus
}
#endif