Byte ordering

Byte ordering — functions for decoding integer types of different byte-orders

Synopsis

enum                IptcByteOrder;
typedef             IptcByte;
typedef             IptcShort;
typedef             IptcLong;
typedef             IptcSLong;
IptcShort           iptc_get_short                      (unsigned char *b,
                                                         IptcByteOrder order);
IptcLong            iptc_get_long                       (unsigned char *b,
                                                         IptcByteOrder order);
IptcSLong           iptc_get_slong                      (unsigned char *b,
                                                         IptcByteOrder order);
void                iptc_set_short                      (unsigned char *b,
                                                         IptcByteOrder order,
                                                         IptcShort value);
void                iptc_set_long                       (unsigned char *b,
                                                         IptcByteOrder order,
                                                         IptcLong value);
void                iptc_set_slong                      (unsigned char *b,
                                                         IptcByteOrder order,
                                                         IptcSLong value);
#define             MIN                                 (a, b)
#define             IPTC_TAG_SUBSEC_TIME

Description

Details

enum IptcByteOrder

typedef enum {
	IPTC_BYTE_ORDER_MOTOROLA,
	IPTC_BYTE_ORDER_INTEL
} IptcByteOrder;

IptcByte

typedef char		IptcByte;          /* 1 byte  */

IptcShort

typedef uint16_t	IptcShort;         /* 2 bytes */

IptcLong

typedef uint32_t	IptcLong;          /* 4 bytes */

IptcSLong

typedef int32_t		IptcSLong;         /* 4 bytes */

iptc_get_short ()

IptcShort           iptc_get_short                      (unsigned char *b,
                                                         IptcByteOrder order);

`b` :
`order` :
Returns :

iptc_get_long ()

IptcLong            iptc_get_long                       (unsigned char *b,
                                                         IptcByteOrder order);

`b` :
`order` :
Returns :

iptc_get_slong ()

IptcSLong           iptc_get_slong                      (unsigned char *b,
                                                         IptcByteOrder order);

`b` :
`order` :
Returns :

iptc_set_short ()

void                iptc_set_short                      (unsigned char *b,
                                                         IptcByteOrder order,
                                                         IptcShort value);

`b` :
`order` :
`value` :

iptc_set_long ()

void                iptc_set_long                       (unsigned char *b,
                                                         IptcByteOrder order,
                                                         IptcLong value);

`b` :
`order` :
`value` :

iptc_set_slong ()

void                iptc_set_slong                      (unsigned char *b,
                                                         IptcByteOrder order,
                                                         IptcSLong value);

`b` :
`order` :
`value` :

MIN()

#define MIN(a, b)  (((a) < (b)) ? (a) : (b))

`a` :
`b` :

IPTC_TAG_SUBSEC_TIME

#define IPTC_TAG_SUBSEC_TIME IPTC_TAG_SUB_SEC_TIME

			libiptcdata Reference Manual
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