Introduce utils_parse_time_suffix
[lttng-tools.git] / src / common / utils.h
1 /*
2 * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License, version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc., 51
15 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18 #ifndef _COMMON_UTILS_H
19 #define _COMMON_UTILS_H
20
21 #include <sys/types.h>
22 #include <unistd.h>
23 #include <stdint.h>
24 #include <getopt.h>
25
26 #define KIBI_LOG2 10
27 #define MEBI_LOG2 20
28 #define GIBI_LOG2 30
29
30 char *utils_partial_realpath(const char *path, char *resolved_path,
31 size_t size);
32 char *utils_expand_path(const char *path);
33 int utils_create_pipe(int *dst);
34 int utils_create_pipe_cloexec(int *dst);
35 int utils_create_pipe_cloexec_nonblock(int *dst);
36 void utils_close_pipe(int *src);
37 char *utils_strdupdelim(const char *begin, const char *end);
38 int utils_set_fd_cloexec(int fd);
39 int utils_create_pid_file(pid_t pid, const char *filepath);
40 int utils_mkdir(const char *path, mode_t mode, int uid, int gid);
41 int utils_mkdir_recursive(const char *path, mode_t mode, int uid, int gid);
42 int utils_create_stream_file(const char *path_name, char *file_name, uint64_t size,
43 uint64_t count, int uid, int gid, char *suffix);
44 int utils_unlink_stream_file(const char *path_name, char *file_name, uint64_t size,
45 uint64_t count, int uid, int gid, char *suffix);
46 int utils_rotate_stream_file(char *path_name, char *file_name, uint64_t size,
47 uint64_t count, int uid, int gid, int out_fd, uint64_t *new_count,
48 int *stream_fd);
49 int utils_parse_size_suffix(char const * const str, uint64_t * const size);
50 int utils_parse_time_suffix(char const * const str, uint64_t * const time_us);
51 int utils_get_count_order_u32(uint32_t x);
52 int utils_get_count_order_u64(uint64_t x);
53 char *utils_get_home_dir(void);
54 char *utils_get_user_home_dir(uid_t uid);
55 size_t utils_get_current_time_str(const char *format, char *dst, size_t len);
56 gid_t utils_get_group_id(const char *name);
57 char *utils_generate_optstring(const struct option *long_options,
58 size_t opt_count);
59 int utils_create_lock_file(const char *filepath);
60 int utils_recursive_rmdir(const char *path);
61 int utils_truncate_stream_file(int fd, off_t length);
62 int utils_show_help(int section, const char *page_name, const char *help_msg);
63
64 #endif /* _COMMON_UTILS_H */
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