Clean-up: utils: make utils_partial_realpath static
[lttng-tools.git] / src / common / utils.h
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81b86775 1/*
ab5be9fa 2 * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
81b86775 3 *
ab5be9fa 4 * SPDX-License-Identifier: GPL-2.0-only
81b86775 5 *
81b86775
DG
6 */
7
8#ifndef _COMMON_UTILS_H
9#define _COMMON_UTILS_H
10
8db0dc00 11#include <getopt.h>
159b042f 12#include <lttng/lttng-error.h>
28ab59d0 13#include <stdbool.h>
159b042f 14#include <stdint.h>
28ab59d0 15#include <sys/types.h>
159b042f 16#include <unistd.h>
70d0b120 17
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18#include <common/compat/directory-handle.h>
19
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20#define KIBI_LOG2 10
21#define MEBI_LOG2 20
22#define GIBI_LOG2 30
23
81b86775 24char *utils_expand_path(const char *path);
4b223a67 25char *utils_expand_path_keep_symlink(const char *path);
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26int utils_create_pipe(int *dst);
27int utils_create_pipe_cloexec(int *dst);
094f381c 28int utils_create_pipe_cloexec_nonblock(int *dst);
81b86775 29void utils_close_pipe(int *src);
a4b92340 30char *utils_strdupdelim(const char *begin, const char *end);
b662582b 31int utils_set_fd_cloexec(int fd);
35f90c40 32int utils_create_pid_file(pid_t pid, const char *filepath);
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33int utils_mkdir(const char *path, mode_t mode, int uid, int gid);
34int utils_mkdir_recursive(const char *path, mode_t mode, int uid, int gid);
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35int utils_stream_file_path(const char *path_name, const char *file_name,
36 uint64_t size, uint64_t count, const char *suffix,
37 char *out_stream_path, size_t stream_path_len);
5983a922 38int utils_parse_size_suffix(char const * const str, uint64_t * const size);
7010c033 39int utils_parse_time_suffix(char const * const str, uint64_t * const time_us);
cfa9a5a2 40int utils_get_count_order_u32(uint32_t x);
db5be0a3 41int utils_get_count_order_u64(uint64_t x);
4f00620d 42const char *utils_get_home_dir(void);
fb198a11 43char *utils_get_user_home_dir(uid_t uid);
26fe5938 44size_t utils_get_current_time_str(const char *format, char *dst, size_t len);
28ab59d0 45int utils_get_group_id(const char *name, bool warn, gid_t *gid);
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46char *utils_generate_optstring(const struct option *long_options,
47 size_t opt_count);
c9cb3e7d 48int utils_create_lock_file(const char *filepath);
3d071855 49int utils_recursive_rmdir(const char *path);
93ec662e 50int utils_truncate_stream_file(int fd, off_t length);
4fc83d94 51int utils_show_help(int section, const char *page_name, const char *help_msg);
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52int utils_get_memory_available(size_t *value);
53int utils_get_memory_total(size_t *value);
ce9ee1fb 54int utils_change_working_directory(const char *path);
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55enum lttng_error_code utils_user_id_from_name(
56 const char *user_name, uid_t *user_id);
57enum lttng_error_code utils_group_id_from_name(
58 const char *group_name, gid_t *group_id);
81b86775 59
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60/*
61 * Parse `str` as an unsigned long long value.
62 *
63 * Return 0 on success. Return -1 on failure which can be because:
64 *
65 * - `str` is zero length
66 * - `str` contains invalid
67 */
68LTTNG_HIDDEN
69int utils_parse_unsigned_long_long(const char *str,
70 unsigned long long *value);
71
81b86775 72#endif /* _COMMON_UTILS_H */
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