1 /* CC0 license (public domain) - see LICENSE file for details */
3 #include <ccan/endian/endian.h>
6 static void *(*push_reallocfn)(void *ptr, size_t size) = realloc;
8 bool push_bytes(char **p, size_t *len, const void *src, size_t srclen)
10 char *n = push_reallocfn(*p, *len + srclen);
15 memcpy(*p + *len, src, srclen);
17 memset(*p + *len, 0, srclen);
22 bool push_u64(char **p, size_t *len, uint64_t val)
24 leint64_t v = cpu_to_le64(val);
25 return push_bytes(p, len, &v, sizeof(v));
28 bool push_u32(char **p, size_t *len, uint32_t val)
30 leint32_t v = cpu_to_le32(val);
31 return push_bytes(p, len, &v, sizeof(v));
34 bool push_u16(char **p, size_t *len, uint16_t val)
36 leint16_t v = cpu_to_le16(val);
37 return push_bytes(p, len, &v, sizeof(v));
40 bool push_u8(char **p, size_t *len, uint8_t val)
42 return push_bytes(p, len, &val, sizeof(val));
45 bool push_s64(char **p, size_t *len, int64_t val)
47 return push_u64(p, len, val);
50 bool push_s32(char **p, size_t *len, int32_t val)
52 return push_u32(p, len, val);
55 bool push_s16(char **p, size_t *len, int16_t val)
57 return push_u16(p, len, val);
60 bool push_s8(char **p, size_t *len, int8_t val)
62 return push_u8(p, len, val);
65 bool push_char(char **p, size_t *len, char val)
67 return push_u8(p, len, val);
70 void push_set_realloc(void *(*reallocfn)(void *ptr, size_t size))
72 push_reallocfn = reallocfn;