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Define pb_size_t and pb_ssize_t data types.

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Use these in pb_field_t definition to clean up some #ifs, and also
to prepare for solving issue #82.
This commit is contained in:
Petteri Aimonen
2013-10-20 21:49:55 +03:00
parent e83fbd18d3
commit 2bfd497eea
1 changed files with 19 additions and 22 deletions
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41
pb.h
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@@ -173,6 +173,20 @@ typedef uint8_t pb_type_t;
#define PB_HTYPE(x) ((x) & PB_HTYPE_MASK)
#define PB_LTYPE(x) ((x) & PB_LTYPE_MASK)
/* Data type used for storing sizes of struct fields
* and array counts.
*/
#if defined(PB_FIELD_32BIT)
typedef uint32_t pb_size_t;
typedef int32_t pb_ssize_t;
#elif defined(PB_FIELD_16BIT)
typedef uint16_t pb_size_t;
typedef int16_t pb_ssize_t;
#else
typedef uint8_t pb_size_t;
typedef int8_t pb_ssize_t;
#endif
/* This structure is used in auto-generated constants
* to specify struct fields.
* You can change field sizes if you need structures
@@ -184,29 +198,12 @@ typedef uint8_t pb_type_t;
PB_PACKED_STRUCT_START
typedef struct _pb_field_t pb_field_t;
struct _pb_field_t {
#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
uint8_t tag;
pb_size_t tag;
pb_type_t type;
uint8_t data_offset; /* Offset of field data, relative to previous field. */
int8_t size_offset; /* Offset of array size or has-boolean, relative to data */
uint8_t data_size; /* Data size in bytes for a single item */
uint8_t array_size; /* Maximum number of entries in array */
#elif defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
uint16_t tag;
pb_type_t type;
uint8_t data_offset;
int8_t size_offset;
uint16_t data_size;
uint16_t array_size;
#else
uint32_t tag;
pb_type_t type;
uint8_t data_offset;
int8_t size_offset;
uint32_t data_size;
uint32_t array_size;
#endif
pb_size_t data_offset; /* Offset of field data, relative to previous field. */
pb_ssize_t size_offset; /* Offset of array size or has-boolean, relative to data */
pb_size_t data_size; /* Data size in bytes for a single item */
pb_size_t array_size; /* Maximum number of entries in array */
/* Field definitions for submessage
* OR default value for all other non-array, non-callback types