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/* CC0 license (public domain) - see LICENSE file for details */
#ifndef CCAN_PUSHPULL_PUSH_H
#define CCAN_PUSHPULL_PUSH_H
#include "config.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
/**
* push_bytes - marshall bytes into buffer
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @src: source to copy bytes from (or NULL to copy zeroes)
* @srclen: length to copy from @src.
*
* If realloc() fails, false is returned. Otherwise, *@p is increased
* by @srclen bytes, *@len is incremented by @srclen, and bytes appended
* to *@p (from @src if non-NULL).
*/
bool push_bytes(char **p, size_t *len, const void *src, size_t srclen);
/**
* push_u64 - marshall a 64-bit value into buffer (as little-endian)
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @val: the value to marshall.
*
* If realloc() fails, false is returned.
*/
bool push_u64(char **p, size_t *len, uint64_t val);
/**
* push_u32 - marshall a 32-bit value into buffer (as little-endian)
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @val: the value to marshall.
*
* If realloc() fails, false is returned.
*/
bool push_u32(char **p, size_t *len, uint32_t val);
/**
* push_u16 - marshall a 16-bit value into buffer (as little-endian)
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @val: the value to marshall.
*
* If realloc() fails, false is returned.
*/
bool push_u16(char **p, size_t *len, uint16_t val);
/**
* push_u8 - marshall an 8-bit value into buffer
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @val: the value to marshall.
*
* If realloc() fails, false is returned.
*/
bool push_u8(char **p, size_t *len, uint8_t val);
#define push_uchar push_u8
/**
* push_u64 - marshall a signed 64-bit value into buffer (as little-endian)
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @val: the value to marshall.
*
* If realloc() fails, false is returned.
*/
bool push_s64(char **p, size_t *len, int64_t val);
/**
* push_u32 - marshall a signed 32-bit value into buffer (as little-endian)
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @val: the value to marshall.
*
* If realloc() fails, false is returned.
*/
bool push_s32(char **p, size_t *len, int32_t val);
/**
* push_u16 - marshall a signed 16-bit value into buffer (as little-endian)
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @val: the value to marshall.
*
* If realloc() fails, false is returned.
*/
bool push_s16(char **p, size_t *len, int16_t val);
/**
* push_u8 - marshall a signed 8-bit value into buffer
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @val: the value to marshall.
*
* If realloc() fails, false is returned.
*/
bool push_s8(char **p, size_t *len, int8_t val);
/**
* push_char - marshall a character into buffer
* @p: buffer of marshalled bytes
* @len: current length of @p buffer
* @val: the value to marshall.
*
* If realloc() fails, false is returned.
*/
bool push_char(char **p, size_t *len, char val);
/**
* push_set_realloc - set function to use (instead of realloc).
* @reallocfn: new reallocation function.
*
* This can be used, for example, to cache reallocations.
*/
void push_set_realloc(void *(reallocfn)(void *ptr, size_t size));
#endif /* CCAN_PUSHPULL_PUSH_H */
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