| 1 | #ifndef util_h |
| 2 | #define util_h |
| 3 | |
| 4 | #include "secnet.h" |
| 5 | #include <gmp.h> |
| 6 | |
| 7 | #include "hackypar.h" |
| 8 | |
| 9 | #define BUF_ASSERT_FREE(buf) do { buffer_assert_free((buf), \ |
| 10 | __FILE__,__LINE__); } \ |
| 11 | while(0) |
| 12 | #define BUF_ASSERT_USED(buf) do { buffer_assert_used((buf), \ |
| 13 | __FILE__,__LINE__); } \ |
| 14 | while(0) |
| 15 | #define BUF_ALLOC(buf,own) do { buffer_assert_free((buf),__FILE__,__LINE__); \ |
| 16 | (buf)->free=False; (buf)->owner=(own); (buf)->start=(buf)->base; \ |
| 17 | (buf)->size=0; } while(0) |
| 18 | #define BUF_FREE(buf) do { (buf)->free=True; } while(0) |
| 19 | |
| 20 | extern void buffer_assert_free(struct buffer_if *buffer, cstring_t file, |
| 21 | int line); |
| 22 | extern void buffer_assert_used(struct buffer_if *buffer, cstring_t file, |
| 23 | int line); |
| 24 | extern void buffer_new(struct buffer_if *buffer, int32_t len); |
| 25 | extern void buffer_init(struct buffer_if *buffer, int32_t max_start_pad); |
| 26 | extern void buffer_copy(struct buffer_if *dst, const struct buffer_if *src); |
| 27 | extern void *buf_append(struct buffer_if *buf, int32_t amount); |
| 28 | extern void *buf_prepend(struct buffer_if *buf, int32_t amount); |
| 29 | extern void *buf_unappend(struct buffer_if *buf, int32_t amount); |
| 30 | extern void *buf_unprepend(struct buffer_if *buf, int32_t amount); |
| 31 | |
| 32 | extern void buffer_readonly_view(struct buffer_if *n, const void*, int32_t len); |
| 33 | extern void buffer_readonly_clone(struct buffer_if *n, const struct buffer_if*); |
| 34 | /* Caller must only use unappend, unprepend et al. on n. |
| 35 | * New buffer state (in n) before this can be undefined. After use, |
| 36 | * it must NOT be freed. */ |
| 37 | |
| 38 | extern void buf_append_string(struct buffer_if *buf, cstring_t s); |
| 39 | |
| 40 | extern void read_mpbin(MP_INT *a, uint8_t *bin, int binsize); |
| 41 | |
| 42 | extern char *write_mpstring(MP_INT *a); |
| 43 | |
| 44 | extern int32_t write_mpbin(MP_INT *a, uint8_t *buffer, int32_t buflen); |
| 45 | |
| 46 | extern struct log_if *init_log(list_t *loglist); |
| 47 | |
| 48 | extern void send_nak(const struct comm_addr *dest, uint32_t our_index, |
| 49 | uint32_t their_index, uint32_t msgtype, |
| 50 | struct buffer_if *buf, const char *logwhy); |
| 51 | |
| 52 | extern int consttime_memeq(const void *s1, const void *s2, size_t n); |
| 53 | |
| 54 | #endif /* util_h */ |