~mdw / secnet / blame
| Commit | Line | Data |
|---|---|---|
| 2fe58dfd SE |
1 | #ifndef util_h |
| 2 | #define util_h | |
| 3 | ||
| 2fe58dfd | 4 | #include "secnet.h" |
| 2fe58dfd SE |
5 | #include <gmp.h> |
| 6 | ||
| 3b83c932 SE |
7 | #include "hackypar.h" |
| 8 | ||
| 2fe58dfd SE |
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 | ||
| fe5e9cc4 | 20 | extern void buffer_assert_free(struct buffer_if *buffer, cstring_t file, |
| 1caa23ff | 21 | int line); |
| fe5e9cc4 | 22 | extern void buffer_assert_used(struct buffer_if *buffer, cstring_t file, |
| 1caa23ff IJ |
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); | |
| 05f39b4d | 26 | extern void buffer_copy(struct buffer_if *dst, const struct buffer_if *src); |
| 1caa23ff IJ |
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); | |
| 2fe58dfd | 31 | |
| 28db900b IJ |
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 | ||
| fe5e9cc4 | 38 | extern void buf_append_string(struct buffer_if *buf, cstring_t s); |
| 2fe58dfd | 39 | |
| 2fe58dfd SE |
40 | extern void read_mpbin(MP_INT *a, uint8_t *bin, int binsize); |
| 41 | ||
| 42 | extern char *write_mpstring(MP_INT *a); | |
| 43 | ||
| 1caa23ff | 44 | extern int32_t write_mpbin(MP_INT *a, uint8_t *buffer, int32_t buflen); |
| 2fe58dfd SE |
45 | |
| 46 | extern struct log_if *init_log(list_t *loglist); | |
| 47 | ||
| 8534d602 IJ |
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 | ||
| 5ad34db2 IJ |
52 | extern int consttime_memeq(const void *s1, const void *s2, size_t n); |
| 53 | ||
| ceb05e5d IJ |
54 | #define MINMAX(ae,be,op) ({ \ |
| 55 | typeof((ae)) a=(ae); \ | |
| 56 | typeof((be)) b=(be); \ | |
| 57 | a op b ? a : b; \ | |
| 58 | }) | |
| 59 | #define MAX(a,b) MINMAX((a),(b),>) | |
| 60 | #define MIN(a,b) MINMAX((a),(b),<) | |
| 61 | ||
| 2fe58dfd | 62 | #endif /* util_h */ |