projects / people / ms / libloc.git / blame
| Commit | Line | Data |
|---|---|---|
| 46aded9a MT |
1 | /* |
| 2 | libloc - A library to determine the location of someone on the Internet | |
| 3 | ||
| 4 | Copyright (C) 2017 IPFire Development Team <info@ipfire.org> | |
| 5 | ||
| 6 | This library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Lesser General Public | |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | This library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | Lesser General Public License for more details. | |
| 15 | */ | |
| 16 | ||
| 17 | #ifndef LIBLOC_PRIVATE_H | |
| 18 | #define LIBLOC_PRIVATE_H | |
| 19 | ||
| 1a3cb1b4 MT |
20 | #ifdef LIBLOC_PRIVATE |
| 21 | ||
| 2a30e4de | 22 | #include <netinet/in.h> |
| 46aded9a MT |
23 | #include <stdbool.h> |
| 24 | #include <syslog.h> | |
| 25 | ||
| 26 | #include <loc/libloc.h> | |
| 27 | ||
| 28 | static inline void __attribute__((always_inline, format(printf, 2, 3))) | |
| 29 | loc_log_null(struct loc_ctx *ctx, const char *format, ...) {} | |
| 30 | ||
| 31 | #define loc_log_cond(ctx, prio, arg...) \ | |
| 32 | do { \ | |
| 33 | if (loc_get_log_priority(ctx) >= prio) \ | |
| 34 | loc_log(ctx, prio, __FILE__, __LINE__, __FUNCTION__, ## arg); \ | |
| 35 | } while (0) | |
| 36 | ||
| 37 | #ifdef ENABLE_DEBUG | |
| 38 | # define DEBUG(ctx, arg...) loc_log_cond(ctx, LOG_DEBUG, ## arg) | |
| 39 | #else | |
| 40 | # define DEBUG(ctx, arg...) loc_log_null(ctx, ## arg) | |
| 41 | #endif | |
| 42 | ||
| 43 | #define INFO(ctx, arg...) loc_log_cond(ctx, LOG_INFO, ## arg) | |
| 44 | #define ERROR(ctx, arg...) loc_log_cond(ctx, LOG_ERR, ## arg) | |
| 45 | ||
| 46 | #ifndef HAVE_SECURE_GETENV | |
| 47 | # ifdef HAVE___SECURE_GETENV | |
| 48 | # define secure_getenv __secure_getenv | |
| 49 | # else | |
| 50 | # error neither secure_getenv nor __secure_getenv is available | |
| 51 | # endif | |
| 52 | #endif | |
| 53 | ||
| 54 | #define LOC_EXPORT __attribute__ ((visibility("default"))) | |
| 55 | ||
| 56 | void loc_log(struct loc_ctx *ctx, | |
| 57 | int priority, const char *file, int line, const char *fn, | |
| 58 | const char *format, ...) __attribute__((format(printf, 6, 7))); | |
| 59 | ||
| 2a30e4de | 60 | static inline int in6_addr_cmp(const struct in6_addr* a1, const struct in6_addr* a2) { |
| e14564aa MT |
61 | for (unsigned int i = 0; i < 16; i++) { |
| 62 | if (a1->s6_addr[i] > a2->s6_addr[i]) | |
| 63 | return 1; | |
| 64 | ||
| 65 | else if (a1->s6_addr[i] < a2->s6_addr[i]) | |
| 66 | return -1; | |
| 67 | } | |
| 68 | ||
| 69 | return 0; | |
| 2a30e4de MT |
70 | } |
| 71 | ||
| 72 | static inline int in6_addr_get_bit(const struct in6_addr* address, unsigned int i) { | |
| 73 | return ((address->s6_addr[i / 8] >> (i % 8)) & 1); | |
| 74 | } | |
| 75 | ||
| 76 | static inline void in6_addr_set_bit(struct in6_addr* address, unsigned int i, unsigned int val) { | |
| 77 | address->s6_addr[i / 8] ^= (-val ^ address->s6_addr[i / 8]) & (1 << (i % 8)); | |
| 78 | } | |
| 79 | ||
| 46aded9a | 80 | #endif |
| 1a3cb1b4 | 81 | #endif |