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
min(int x,int y)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