varint.h File Reference

#include <grpc/support/port_platform.h>

Go to the source code of this file.

Macros
#define	GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits)   ((1 << (8 - (prefix_bits))) - 1)
#define	GRPC_CHTTP2_VARINT_LENGTH(n, prefix_bits)
#define	GRPC_CHTTP2_WRITE_VARINT(n, prefix_bits, prefix_or, target, length)

Functions
int	grpc_chttp2_hpack_varint_length (gpr_uint32 tail_value)
void	grpc_chttp2_hpack_write_varint_tail (gpr_uint32 tail_value, gpr_uint8 *target, int tail_length)

Macro Definition Documentation

#define GRPC_CHTTP2_MAX_IN_PREFIX

(

prefix_bits

)

((1 << (8 - (prefix_bits))) - 1)

#define GRPC_CHTTP2_VARINT_LENGTH	(		n,
			prefix_bits
	)

Value:

((n) < GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits)   \
       ? 1                                        \
       : grpc_chttp2_hpack_varint_length(         \
             (n)-GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits)))

#define GRPC_CHTTP2_WRITE_VARINT	(		n,
			prefix_bits,
			prefix_or,
			target,
			length
	)

Value:

do {                                                                        \
    gpr_uint8* tgt = target;                                                  \
    if ((length) == 1) {                                                      \
      (tgt)[0] = (prefix_or) | (n);                                           \
    } else {                                                                  \
      (tgt)[0] = (prefix_or) | GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits);        \
      grpc_chttp2_hpack_write_varint_tail(                                    \
          (n)-GRPC_CHTTP2_MAX_IN_PREFIX(prefix_bits), (tgt) + 1, (length)-1); \
    }                                                                         \
  } while (0)

Function Documentation

int grpc_chttp2_hpack_varint_length

(

gpr_uint32

tail_value

)

void grpc_chttp2_hpack_write_varint_tail	(	gpr_uint32	tail_value,
		gpr_uint8 *	target,
		int	tail_length
	)