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/* CC0 license (public domain) - see LICENSE file for details */
#include "push.h"
#include <ccan/endian/endian.h>
#include <string.h>
static void *(*push_reallocfn)(void *ptr, size_t size) = realloc;
bool push_bytes(char **p, size_t *len, const void *src, size_t srclen)
{
char *n = push_reallocfn(*p, *len + srclen);
if (!n)
return false;
*p = n;
if (src)
memcpy(*p + *len, src, srclen);
else
memset(*p + *len, 0, srclen);
*len += srclen;
return true;
}
bool push_u64(char **p, size_t *len, uint64_t val)
{
leint64_t v = cpu_to_le64(val);
return push_bytes(p, len, &v, sizeof(v));
}
bool push_u32(char **p, size_t *len, uint32_t val)
{
leint32_t v = cpu_to_le32(val);
return push_bytes(p, len, &v, sizeof(v));
}
bool push_u16(char **p, size_t *len, uint16_t val)
{
leint16_t v = cpu_to_le16(val);
return push_bytes(p, len, &v, sizeof(v));
}
bool push_u8(char **p, size_t *len, uint8_t val)
{
return push_bytes(p, len, &val, sizeof(val));
}
bool push_s64(char **p, size_t *len, int64_t val)
{
return push_u64(p, len, val);
}
bool push_s32(char **p, size_t *len, int32_t val)
{
return push_u32(p, len, val);
}
bool push_s16(char **p, size_t *len, int16_t val)
{
return push_u16(p, len, val);
}
bool push_s8(char **p, size_t *len, int8_t val)
{
return push_u8(p, len, val);
}
bool push_char(char **p, size_t *len, char val)
{
return push_u8(p, len, val);
}
void push_set_realloc(void *(*reallocfn)(void *ptr, size_t size))
{
push_reallocfn = reallocfn;
}
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