1 /* 2 * util.h - routeup/tlsdated utility functions 3 * Copyright (c) 2012 The Chromium Authors. All rights reserved. 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef UTIL_H 9 #define UTIL_H 10 11 #include <errno.h> 12 #include <string.h> 13 #include <stdlib.h> 14 15 #if _PLAN9_SOURCE 16 #define API 17 #else 18 #define API __attribute__((visibility("default"))) 19 #endif 20 21 extern int verbose; 22 extern int verbose_debug; 23 void die (const char *fmt, ...); 24 void verb (const char *fmt, ...); 25 extern void logat(int isverbose, const char *fmt, ...); 26 27 #define info(fmt, ...) logat(1, fmt, ## __VA_ARGS__) 28 #define pinfo(fmt, ...) logat(1, fmt ": %s", ## __VA_ARGS__, strerror(errno)) 29 #define error(fmt, ...) logat(0, fmt, ## __VA_ARGS__) 30 #define perror(fmt, ...) logat(0, fmt ": %s", ## __VA_ARGS__, strerror(errno)) 31 #define fatal(fmt, ...) do { logat(0, fmt, ## __VA_ARGS__); exit(1); } while (0) 32 #define pfatal(fmt, ...) do { \ 33 logat(0, fmt ": %s", ## __VA_ARGS__, strerror(errno)); \ 34 exit(1); \ 35 } while (0) 36 37 static inline int min(int x, int y) { return x < y ? x : y; } 38 39 void drop_privs_to (const char *user, const char *group, 40 const char **supp_groups); 41 42 #endif /* !UTIL_H */ 43