/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-#ifndef fooutilhfoo
-#define fooutilhfoo
+#pragma once
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <alloca.h>
+#include <fcntl.h>
#include <inttypes.h>
#include <time.h>
#include <sys/time.h>
#include <signal.h>
#include <sched.h>
#include <limits.h>
+#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
+#include <sys/resource.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <locale.h>
+#include <mntent.h>
+#include <sys/socket.h>
+
+#if SIZEOF_PID_T == 4
+# define PID_FMT "%" PRIu32
+#elif SIZEOF_PID_T == 2
+# define PID_FMT "%" PRIu16
+#else
+# error Unknown pid_t size
+#endif
-#include "macro.h"
-
-typedef uint64_t usec_t;
-
-typedef struct dual_timestamp {
- usec_t realtime;
- usec_t monotonic;
-} dual_timestamp;
+#if SIZEOF_UID_T == 4
+# define UID_FMT "%" PRIu32
+#elif SIZEOF_UID_T == 2
+# define UID_FMT "%" PRIu16
+#else
+# error Unknown uid_t size
+#endif
-#define MSEC_PER_SEC 1000ULL
-#define USEC_PER_SEC 1000000ULL
-#define USEC_PER_MSEC 1000ULL
-#define NSEC_PER_SEC 1000000000ULL
-#define NSEC_PER_MSEC 1000000ULL
-#define NSEC_PER_USEC 1000ULL
+#if SIZEOF_GID_T == 4
+# define GID_FMT "%" PRIu32
+#elif SIZEOF_GID_T == 2
+# define GID_FMT "%" PRIu16
+#else
+# error Unknown gid_t size
+#endif
-#define USEC_PER_MINUTE (60ULL*USEC_PER_SEC)
-#define USEC_PER_HOUR (60ULL*USEC_PER_MINUTE)
-#define USEC_PER_DAY (24ULL*USEC_PER_HOUR)
-#define USEC_PER_WEEK (7ULL*USEC_PER_DAY)
-#define USEC_PER_MONTH (2629800ULL*USEC_PER_SEC)
-#define USEC_PER_YEAR (31557600ULL*USEC_PER_SEC)
+#include "macro.h"
+#include "time-util.h"
/* What is interpreted as whitespace? */
#define WHITESPACE " \t\n\r"
-#define NEWLINE "\n\r"
-#define QUOTES "\"\'"
-#define COMMENTS "#;\n"
+#define NEWLINE "\n\r"
+#define QUOTES "\"\'"
+#define COMMENTS "#;"
+#define GLOB_CHARS "*?["
-#define FORMAT_TIMESTAMP_MAX 64
-#define FORMAT_TIMESTAMP_PRETTY_MAX 256
-#define FORMAT_TIMESPAN_MAX 64
#define FORMAT_BYTES_MAX 8
#define ANSI_HIGHLIGHT_ON "\x1B[1;39m"
+#define ANSI_RED_ON "\x1B[31m"
#define ANSI_HIGHLIGHT_RED_ON "\x1B[1;31m"
+#define ANSI_GREEN_ON "\x1B[32m"
#define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m"
+#define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m"
+#define ANSI_HIGHLIGHT_BLUE_ON "\x1B[1;34m"
#define ANSI_HIGHLIGHT_OFF "\x1B[0m"
-
-usec_t now(clockid_t clock);
-
-dual_timestamp* dual_timestamp_get(dual_timestamp *ts);
-dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u);
-
-#define dual_timestamp_is_set(ts) ((ts)->realtime > 0)
-
-usec_t timespec_load(const struct timespec *ts);
-struct timespec *timespec_store(struct timespec *ts, usec_t u);
-
-usec_t timeval_load(const struct timeval *tv);
-struct timeval *timeval_store(struct timeval *tv, usec_t u);
+#define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
size_t page_size(void);
#define PAGE_ALIGN(l) ALIGN_TO((l), page_size())
#define streq(a,b) (strcmp((a),(b)) == 0)
#define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)
+#define strcaseeq(a,b) (strcasecmp((a),(b)) == 0)
+#define strncaseeq(a, b, n) (strncasecmp((a), (b), (n)) == 0)
-bool streq_ptr(const char *a, const char *b);
+bool streq_ptr(const char *a, const char *b) _pure_;
-#define new(t, n) ((t*) malloc(sizeof(t)*(n)))
+#define new(t, n) ((t*) malloc_multiply(sizeof(t), (n)))
#define new0(t, n) ((t*) calloc((n), sizeof(t)))
+#define newa(t, n) ((t*) alloca(sizeof(t)*(n)))
+
+#define newdup(t, p, n) ((t*) memdup_multiply(p, sizeof(t), (n)))
+
#define malloc0(n) (calloc((n), 1))
static inline const char* yes_no(bool b) {
return b ? "yes" : "no";
}
+static inline const char* true_false(bool b) {
+ return b ? "true" : "false";
+}
+
static inline const char* strempty(const char *s) {
return s ? s : "";
}
return s ? s : "n/a";
}
-static inline bool is_path_absolute(const char *p) {
- return *p == '/';
-}
-
static inline bool isempty(const char *p) {
return !p || !p[0];
}
-bool endswith(const char *s, const char *postfix);
-bool startswith(const char *s, const char *prefix);
-bool startswith_no_case(const char *s, const char *prefix);
+static inline const char *startswith(const char *s, const char *prefix) {
+ if (strncmp(s, prefix, strlen(prefix)) == 0)
+ return s + strlen(prefix);
+ return NULL;
+}
+
+static inline const char *startswith_no_case(const char *s, const char *prefix) {
+ if (strncasecmp(s, prefix, strlen(prefix)) == 0)
+ return s + strlen(prefix);
+ return NULL;
+}
+
+char *endswith(const char *s, const char *postfix) _pure_;
-bool first_word(const char *s, const char *word);
+bool first_word(const char *s, const char *word) _pure_;
int close_nointr(int fd);
-void close_nointr_nofail(int fd);
+int safe_close(int fd);
+void safe_close_pair(int p[]);
+
void close_many(const int fds[], unsigned n_fd);
-int parse_boolean(const char *v);
-int parse_usec(const char *t, usec_t *usec);
-int parse_bytes(const char *t, off_t *bytes);
+int parse_size(const char *t, off_t base, off_t *size);
+
+int parse_boolean(const char *v) _pure_;
int parse_pid(const char *s, pid_t* ret_pid);
int parse_uid(const char *s, uid_t* ret_uid);
#define parse_gid(s, ret_uid) parse_uid(s, ret_uid)
int safe_atollu(const char *s, unsigned long long *ret_u);
int safe_atolli(const char *s, long long int *ret_i);
+int safe_atod(const char *s, double *ret_d);
+
#if __WORDSIZE == 32
static inline int safe_atolu(const char *s, unsigned long *ret_u) {
assert_cc(sizeof(unsigned long) == sizeof(unsigned));
return safe_atolli(s, (long long int*) ret_i);
}
-char *split(const char *c, size_t *l, const char *separator, char **state);
-char *split_quoted(const char *c, size_t *l, char **state);
+char *split(const char *c, size_t *l, const char *separator, bool quoted, char **state);
#define FOREACH_WORD(word, length, s, state) \
- for ((state) = NULL, (word) = split((s), &(length), WHITESPACE, &(state)); (word); (word) = split((s), &(length), WHITESPACE, &(state)))
+ _FOREACH_WORD(word, length, s, WHITESPACE, false, state)
#define FOREACH_WORD_SEPARATOR(word, length, s, separator, state) \
- for ((state) = NULL, (word) = split((s), &(length), (separator), &(state)); (word); (word) = split((s), &(length), (separator), &(state)))
+ _FOREACH_WORD(word, length, s, separator, false, state)
#define FOREACH_WORD_QUOTED(word, length, s, state) \
- for ((state) = NULL, (word) = split_quoted((s), &(length), &(state)); (word); (word) = split_quoted((s), &(length), &(state)))
+ _FOREACH_WORD(word, length, s, WHITESPACE, true, state)
+
+#define FOREACH_WORD_SEPARATOR_QUOTED(word, length, s, separator, state) \
+ _FOREACH_WORD(word, length, s, separator, true, state)
-char **split_path_and_make_absolute(const char *p);
+#define _FOREACH_WORD(word, length, s, separator, quoted, state) \
+ for ((state) = NULL, (word) = split((s), &(length), (separator), (quoted), &(state)); (word); (word) = split((s), &(length), (separator), (quoted), &(state)))
pid_t get_parent_of_pid(pid_t pid, pid_t *ppid);
int get_starttime_of_pid(pid_t pid, unsigned long long *st);
-int write_one_line_file(const char *fn, const char *line);
-int write_one_line_file_atomic(const char *fn, const char *line);
-int read_one_line_file(const char *fn, char **line);
-int read_full_file(const char *fn, char **contents, size_t *size);
-
-int parse_env_file(const char *fname, const char *separator, ...) _sentinel_;
-int load_env_file(const char *fname, char ***l);
-int write_env_file(const char *fname, char **l);
-
char *strappend(const char *s, const char *suffix);
char *strnappend(const char *s, const char *suffix, size_t length);
int readlink_and_make_absolute(const char *p, char **r);
int readlink_and_canonicalize(const char *p, char **r);
-char *file_name_from_path(const char *p);
-bool is_path(const char *p);
-
-bool path_is_absolute(const char *p);
-char *path_make_absolute(const char *p, const char *prefix);
-char *path_make_absolute_cwd(const char *p);
-
-char **strv_path_make_absolute_cwd(char **l);
-char **strv_path_canonicalize(char **l);
-char **strv_path_remove_empty(char **l);
-
int reset_all_signal_handlers(void);
char *strstrip(char *s);
char *file_in_same_dir(const char *path, const char *filename);
-int parent_of_path(const char *path, char **parent);
-
int rmdir_parents(const char *path, const char *stop);
+int get_process_state(pid_t pid);
int get_process_comm(pid_t pid, char **name);
int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line);
int get_process_exe(pid_t pid, char **name);
int get_process_uid(pid_t pid, uid_t *uid);
+int get_process_gid(pid_t pid, gid_t *gid);
+int get_process_capeff(pid_t pid, char **capeff);
-char hexchar(int x);
-int unhexchar(char c);
-char octchar(int x);
-int unoctchar(char c);
-char decchar(int x);
-int undecchar(char c);
+char hexchar(int x) _const_;
+int unhexchar(char c) _const_;
+char octchar(int x) _const_;
+int unoctchar(char c) _const_;
+char decchar(int x) _const_;
+int undecchar(char c) _const_;
char *cescape(const char *s);
char *cunescape(const char *s);
char *cunescape_length(const char *s, size_t length);
+char *cunescape_length_with_prefix(const char *s, size_t length, const char *prefix);
char *xescape(const char *s, const char *bad);
-char *bus_path_escape(const char *s);
-char *bus_path_unescape(const char *s);
-
-char *path_kill_slashes(char *path);
-
-bool path_startswith(const char *path, const char *prefix);
-bool path_equal(const char *a, const char *b);
-
char *ascii_strlower(char *path);
-bool dirent_is_file(const struct dirent *de);
-bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix);
+bool dirent_is_file(const struct dirent *de) _pure_;
+bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix) _pure_;
-bool ignore_file(const char *filename);
+bool ignore_file(const char *filename) _pure_;
-bool chars_intersect(const char *a, const char *b);
-
-char *format_timestamp(char *buf, size_t l, usec_t t);
-char *format_timestamp_pretty(char *buf, size_t l, usec_t t);
-char *format_timespan(char *buf, size_t l, usec_t t);
+bool chars_intersect(const char *a, const char *b) _pure_;
int make_stdio(int fd);
int make_null_stdio(void);
+int make_console_stdio(void);
+
+int dev_urandom(void *p, size_t n);
+void random_bytes(void *p, size_t n);
-unsigned long long random_ull(void);
+static inline uint64_t random_u64(void) {
+ uint64_t u;
+ random_bytes(&u, sizeof(u));
+ return u;
+}
+
+static inline uint32_t random_u32(void) {
+ uint32_t u;
+ random_bytes(&u, sizeof(u));
+ return u;
+}
+/* For basic lookup tables with strictly enumerated entries */
#define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \
scope const char *name##_to_string(type i) { \
if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \
} \
scope type name##_from_string(const char *s) { \
type i; \
- unsigned u = 0; \
- assert(s); \
+ if (!s) \
+ return (type) -1; \
for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \
if (name##_table[i] && \
streq(name##_table[i], s)) \
return i; \
- if (safe_atou(s, &u) >= 0 && \
- u < ELEMENTSOF(name##_table)) \
- return (type) u; \
return (type) -1; \
} \
struct __useless_struct_to_allow_trailing_semicolon__
#define DEFINE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,)
#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,static)
+/* For string conversions where numbers are also acceptable */
+#define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max) \
+ int name##_to_string_alloc(type i, char **str) { \
+ char *s; \
+ int r; \
+ if (i < 0 || i > max) \
+ return -ERANGE; \
+ if (i < (type) ELEMENTSOF(name##_table)) { \
+ s = strdup(name##_table[i]); \
+ if (!s) \
+ return log_oom(); \
+ } else { \
+ r = asprintf(&s, "%u", i); \
+ if (r < 0) \
+ return log_oom(); \
+ } \
+ *str = s; \
+ return 0; \
+ } \
+ type name##_from_string(const char *s) { \
+ type i; \
+ unsigned u = 0; \
+ assert(s); \
+ for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \
+ if (name##_table[i] && \
+ streq(name##_table[i], s)) \
+ return i; \
+ if (safe_atou(s, &u) >= 0 && u <= max) \
+ return (type) u; \
+ return (type) -1; \
+ } \
+ struct __useless_struct_to_allow_trailing_semicolon__
+
int fd_nonblock(int fd, bool nonblock);
int fd_cloexec(int fd, bool cloexec);
int chvt(int vt);
int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl);
-int ask(char *ret, const char *replies, const char *text, ...);
+int ask(char *ret, const char *replies, const char *text, ...) _printf_(3, 4);
int reset_terminal_fd(int fd, bool switch_to_text);
int reset_terminal(const char *name);
int open_terminal(const char *name, int mode);
-int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm);
+int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm, usec_t timeout);
int release_terminal(void);
int flush_fd(int fd);
int default_signals(int sig, ...);
int sigaction_many(const struct sigaction *sa, ...);
-int close_pipe(int p[]);
int fopen_temporary(const char *path, FILE **_f, char **_temp_path);
ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll);
ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll);
-int path_is_mount_point(const char *path, bool allow_symlink);
-
bool is_device_path(const char *path);
int dir_is_empty(const char *path);
+char* dirname_malloc(const char *path);
void rename_process(const char name[8]);
void sigset_add_many(sigset_t *ss, ...);
+bool hostname_is_set(void);
+
char* gethostname_malloc(void);
char* getlogname_malloc(void);
+char* getusername_malloc(void);
int getttyname_malloc(int fd, char **r);
int getttyname_harder(int fd, char **r);
int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
int fchmod_and_fchown(int fd, mode_t mode, uid_t uid, gid_t gid);
+int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev);
+int rm_rf_children_dangerous(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev);
int rm_rf(const char *path, bool only_dirs, bool delete_root, bool honour_sticky);
+int rm_rf_dangerous(const char *path, bool only_dirs, bool delete_root, bool honour_sticky);
int pipe_eof(int fd);
cpu_set_t* cpu_set_malloc(unsigned *ncpus);
-void status_vprintf(const char *status, bool ellipse, const char *format, va_list ap);
-void status_printf(const char *status, bool ellipse, const char *format, ...);
-void status_welcome(void);
+int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap) _printf_(4,0);
+int status_printf(const char *status, bool ellipse, bool ephemeral, const char *format, ...) _printf_(4,5);
int fd_columns(int fd);
unsigned columns(void);
-
int fd_lines(int fd);
unsigned lines(void);
+void columns_lines_cache_reset(int _unused_ signum);
+
+bool on_tty(void);
+
+static inline const char *ansi_highlight(void) {
+ return on_tty() ? ANSI_HIGHLIGHT_ON : "";
+}
+
+static inline const char *ansi_highlight_red(void) {
+ return on_tty() ? ANSI_HIGHLIGHT_RED_ON : "";
+}
+
+static inline const char *ansi_highlight_green(void) {
+ return on_tty() ? ANSI_HIGHLIGHT_GREEN_ON : "";
+}
+
+static inline const char *ansi_highlight_yellow(void) {
+ return on_tty() ? ANSI_HIGHLIGHT_YELLOW_ON : "";
+}
+
+static inline const char *ansi_highlight_blue(void) {
+ return on_tty() ? ANSI_HIGHLIGHT_BLUE_ON : "";
+}
+
+static inline const char *ansi_highlight_off(void) {
+ return on_tty() ? ANSI_HIGHLIGHT_OFF : "";
+}
+
+int files_same(const char *filea, const char *fileb);
int running_in_chroot(void);
char *ellipsize(const char *s, size_t length, unsigned percent);
+ /* bytes columns */
char *ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigned percent);
int touch(const char *path);
int wait_for_terminate(pid_t pid, siginfo_t *status);
int wait_for_terminate_and_warn(const char *name, pid_t pid);
-_noreturn_ void freeze(void);
+noreturn void freeze(void);
-bool null_or_empty(struct stat *st);
+bool null_or_empty(struct stat *st) _pure_;
int null_or_empty_path(const char *fn);
DIR *xopendirat(int dirfd, const char *name, int flags);
-void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t);
-void dual_timestamp_deserialize(const char *value, dual_timestamp *t);
-
char *fstab_node_to_udev_node(const char *p);
-void filter_environ(const char *prefix);
-
+char *resolve_dev_console(char **active);
bool tty_is_vc(const char *tty);
bool tty_is_vc_resolve(const char *tty);
+bool tty_is_console(const char *tty) _pure_;
int vtnr_from_tty(const char *tty);
const char *default_term_for_tty(const char *tty);
-void execute_directory(const char *directory, DIR *_d, char *argv[]);
+void execute_directory(const char *directory, DIR *_d, usec_t timeout, char *argv[]);
int kill_and_sigcont(pid_t pid, int sig);
bool plymouth_running(void);
-void parse_syslog_priority(char **p, int *priority);
-void skip_syslog_pid(char **buf);
-void skip_syslog_date(char **buf);
-
-bool hostname_is_valid(const char *s);
-char* hostname_cleanup(char *s);
+bool hostname_is_valid(const char *s) _pure_;
+char* hostname_cleanup(char *s, bool lowercase);
char* strshorten(char *s, size_t l);
int vt_disallocate(const char *name);
-int copy_file(const char *from, const char *to);
-int symlink_or_copy(const char *from, const char *to);
-int symlink_or_copy_atomic(const char *from, const char *to);
-
-int fchmod_umask(int fd, mode_t mode);
+int copy_file(const char *from, const char *to, int flags);
-int conf_files_list(char ***strv, const char *suffix, const char *dir, ...);
+int symlink_atomic(const char *from, const char *to);
-int hwclock_is_localtime(void);
-int hwclock_apply_localtime_delta(int *min);
-int hwclock_reset_localtime_delta(void);
-int hwclock_get_time(struct tm *tm);
-int hwclock_set_time(const struct tm *tm);
+int fchmod_umask(int fd, mode_t mode);
-bool display_is_local(const char *display);
+bool display_is_local(const char *display) _pure_;
int socket_from_display(const char *display, char **path);
-int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home);
+int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell);
int get_group_creds(const char **groupname, gid_t *gid);
+int in_gid(gid_t gid);
int in_group(const char *name);
+char* uid_to_name(uid_t uid);
+char* gid_to_name(gid_t gid);
+
int glob_exists(const char *path);
+int glob_extend(char ***strv, const char *path);
int dirent_ensure_type(DIR *d, struct dirent *de);
int in_search_path(const char *path, char **search);
int get_files_in_directory(const char *path, char ***list);
-char *join(const char *x, ...) _sentinel_;
+char *strjoin(const char *x, ...) _sentinel_;
bool is_main_thread(void);
-bool in_charset(const char *s, const char* charset);
+static inline bool _pure_ in_charset(const char *s, const char* charset) {
+ assert(s);
+ assert(charset);
+ return s[strspn(s, charset)] == '\0';
+}
int block_get_whole_disk(dev_t d, dev_t *ret);
#define NULSTR_FOREACH_PAIR(i, j, l) \
for ((i) = (l), (j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i))
-const char *ioprio_class_to_string(int i);
+int ioprio_class_to_string_alloc(int i, char **s);
int ioprio_class_from_string(const char *s);
-const char *sigchld_code_to_string(int i);
-int sigchld_code_from_string(const char *s);
+const char *sigchld_code_to_string(int i) _const_;
+int sigchld_code_from_string(const char *s) _pure_;
-const char *log_facility_unshifted_to_string(int i);
+int log_facility_unshifted_to_string_alloc(int i, char **s);
int log_facility_unshifted_from_string(const char *s);
-const char *log_level_to_string(int i);
+int log_level_to_string_alloc(int i, char **s);
int log_level_from_string(const char *s);
-const char *sched_policy_to_string(int i);
+int sched_policy_to_string_alloc(int i, char **s);
int sched_policy_from_string(const char *s);
-const char *rlimit_to_string(int i);
-int rlimit_from_string(const char *s);
+const char *rlimit_to_string(int i) _const_;
+int rlimit_from_string(const char *s) _pure_;
-const char *ip_tos_to_string(int i);
+int ip_tos_to_string_alloc(int i, char **s);
int ip_tos_from_string(const char *s);
-const char *signal_to_string(int i);
-int signal_from_string(const char *s);
+const char *signal_to_string(int i) _const_;
+int signal_from_string(const char *s) _pure_;
int signal_from_string_try_harder(const char *s);
bool kexec_loaded(void);
-int prot_from_flags(int flags);
+int prot_from_flags(int flags) _const_;
char *format_bytes(char *buf, size_t l, off_t t);
int fd_wait_for_event(int fd, int event, usec_t timeout);
-void* memdup(const void *p, size_t l);
-
-int rtc_open(int flags);
+void* memdup(const void *p, size_t l) _alloc_(2);
int is_kernel_thread(pid_t pid);
int fd_inc_sndbuf(int fd, size_t n);
int fd_inc_rcvbuf(int fd, size_t n);
+
+int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *path, ...);
+
+int setrlimit_closest(int resource, const struct rlimit *rlim);
+
+int getenv_for_pid(pid_t pid, const char *field, char **_value);
+
+bool is_valid_documentation_url(const char *url) _pure_;
+
+bool in_initrd(void);
+
+void warn_melody(void);
+
+int get_home_dir(char **ret);
+int get_shell(char **_ret);
+
+static inline void freep(void *p) {
+ free(*(void**) p);
+}
+
+#define DEFINE_TRIVIAL_CLEANUP_FUNC(type, func) \
+ static inline void func##p(type *p) { \
+ if (*p) \
+ func(*p); \
+ } \
+ struct __useless_struct_to_allow_trailing_semicolon__
+
+static inline void closep(int *fd) {
+ safe_close(*fd);
+}
+
+static inline void umaskp(mode_t *u) {
+ umask(*u);
+}
+
+static inline void close_pairp(int (*p)[2]) {
+ safe_close_pair(*p);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, fclose);
+DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, pclose);
+DEFINE_TRIVIAL_CLEANUP_FUNC(DIR*, closedir);
+DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, endmntent);
+
+#define _cleanup_free_ _cleanup_(freep)
+#define _cleanup_close_ _cleanup_(closep)
+#define _cleanup_umask_ _cleanup_(umaskp)
+#define _cleanup_globfree_ _cleanup_(globfree)
+#define _cleanup_fclose_ _cleanup_(fclosep)
+#define _cleanup_pclose_ _cleanup_(pclosep)
+#define _cleanup_closedir_ _cleanup_(closedirp)
+#define _cleanup_endmntent_ _cleanup_(endmntentp)
+#define _cleanup_close_pair_ _cleanup_(close_pairp)
+
+_malloc_ _alloc_(1, 2) static inline void *malloc_multiply(size_t a, size_t b) {
+ if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
+ return NULL;
+
+ return malloc(a * b);
+}
+
+_alloc_(2, 3) static inline void *memdup_multiply(const void *p, size_t a, size_t b) {
+ if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
+ return NULL;
+
+ return memdup(p, a * b);
+}
+
+bool filename_is_safe(const char *p) _pure_;
+bool path_is_safe(const char *p) _pure_;
+bool string_is_safe(const char *p) _pure_;
+bool string_has_cc(const char *p) _pure_;
+
+/**
+ * Check if a string contains any glob patterns.
+ */
+_pure_ static inline bool string_is_glob(const char *p) {
+ return !!strpbrk(p, GLOB_CHARS);
+}
+
+void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
+ int (*compar) (const void *, const void *, void *),
+ void *arg);
+
+bool is_locale_utf8(void);
+
+typedef enum DrawSpecialChar {
+ DRAW_TREE_VERTICAL,
+ DRAW_TREE_BRANCH,
+ DRAW_TREE_RIGHT,
+ DRAW_TREE_SPACE,
+ DRAW_TRIANGULAR_BULLET,
+ DRAW_BLACK_CIRCLE,
+ DRAW_ARROW,
+ _DRAW_SPECIAL_CHAR_MAX
+} DrawSpecialChar;
+
+const char *draw_special_char(DrawSpecialChar ch);
+
+char *strreplace(const char *text, const char *old_string, const char *new_string);
+
+char *strip_tab_ansi(char **p, size_t *l);
+
+int on_ac_power(void);
+
+int search_and_fopen(const char *path, const char *mode, const char *root, const char **search, FILE **_f);
+int search_and_fopen_nulstr(const char *path, const char *mode, const char *root, const char *search, FILE **_f);
+
+#define FOREACH_LINE(line, f, on_error) \
+ for (;;) \
+ if (!fgets(line, sizeof(line), f)) { \
+ if (ferror(f)) { \
+ on_error; \
+ } \
+ break; \
+ } else
+
+#define FOREACH_DIRENT(de, d, on_error) \
+ for (errno = 0, de = readdir(d);; errno = 0, de = readdir(d)) \
+ if (!de) { \
+ if (errno > 0) { \
+ on_error; \
+ } \
+ break; \
+ } else if (ignore_file((de)->d_name)) \
+ continue; \
+ else
+
+static inline void *mempset(void *s, int c, size_t n) {
+ memset(s, c, n);
+ return (uint8_t*)s + n;
+}
+
+char *hexmem(const void *p, size_t l);
+void *unhexmem(const char *p, size_t l);
+
+char *strextend(char **x, ...) _sentinel_;
+char *strrep(const char *s, unsigned n);
+
+void* greedy_realloc(void **p, size_t *allocated, size_t need, size_t size);
+void* greedy_realloc0(void **p, size_t *allocated, size_t need, size_t size);
+#define GREEDY_REALLOC(array, allocated, need) \
+ greedy_realloc((void**) &(array), &(allocated), (need), sizeof((array)[0]))
+
+#define GREEDY_REALLOC0(array, allocated, need) \
+ greedy_realloc0((void**) &(array), &(allocated), (need), sizeof((array)[0]))
+
+static inline void _reset_errno_(int *saved_errno) {
+ errno = *saved_errno;
+}
+
+#define PROTECT_ERRNO _cleanup_(_reset_errno_) __attribute__((unused)) int _saved_errno_ = errno
+
+struct _umask_struct_ {
+ mode_t mask;
+ bool quit;
+};
+
+static inline void _reset_umask_(struct _umask_struct_ *s) {
+ umask(s->mask);
+};
+
+#define RUN_WITH_UMASK(mask) \
+ for (_cleanup_(_reset_umask_) struct _umask_struct_ _saved_umask_ = { umask(mask), false }; \
+ !_saved_umask_.quit ; \
+ _saved_umask_.quit = true)
+
+static inline unsigned u64log2(uint64_t n) {
+#if __SIZEOF_LONG_LONG__ == 8
+ return (n > 1) ? (unsigned) __builtin_clzll(n) ^ 63U : 0;
+#else
+#error "Wut?"
#endif
+}
+
+static inline unsigned u32ctz(uint32_t n) {
+#if __SIZEOF_INT__ == 4
+ return __builtin_ctz(n);
+#else
+#error "Wut?"
+#endif
+}
+
+static inline int log2i(int x) {
+ assert(x > 0);
+
+ return __SIZEOF_INT__ * 8 - __builtin_clz(x) - 1;
+}
+
+static inline bool logind_running(void) {
+ return access("/run/systemd/seats/", F_OK) >= 0;
+}
+
+#define DECIMAL_STR_WIDTH(x) \
+ ({ \
+ typeof(x) _x_ = (x); \
+ unsigned ans = 1; \
+ while (_x_ /= 10) \
+ ans++; \
+ ans; \
+ })
+
+int unlink_noerrno(const char *path);
+
+#define alloca0(n) \
+ ({ \
+ char *_new_; \
+ size_t _len_ = n; \
+ _new_ = alloca(_len_); \
+ (void *) memset(_new_, 0, _len_); \
+ })
+
+#define strappenda(a, b) \
+ ({ \
+ const char *_a_ = (a), *_b_ = (b); \
+ char *_c_; \
+ size_t _x_, _y_; \
+ _x_ = strlen(_a_); \
+ _y_ = strlen(_b_); \
+ _c_ = alloca(_x_ + _y_ + 1); \
+ strcpy(stpcpy(_c_, _a_), _b_); \
+ _c_; \
+ })
+
+#define strappenda3(a, b, c) \
+ ({ \
+ const char *_a_ = (a), *_b_ = (b), *_c_ = (c); \
+ char *_d_; \
+ size_t _x_, _y_, _z_; \
+ _x_ = strlen(_a_); \
+ _y_ = strlen(_b_); \
+ _z_ = strlen(_c_); \
+ _d_ = alloca(_x_ + _y_ + _z_ + 1); \
+ strcpy(stpcpy(stpcpy(_d_, _a_), _b_), _c_); \
+ _d_; \
+ })
+
+#define procfs_file_alloca(pid, field) \
+ ({ \
+ pid_t _pid_ = (pid); \
+ const char *_r_; \
+ if (_pid_ == 0) { \
+ _r_ = ("/proc/self/" field); \
+ } else { \
+ _r_ = alloca(strlen("/proc/") + DECIMAL_STR_MAX(pid_t) + 1 + sizeof(field)); \
+ sprintf((char*) _r_, "/proc/"PID_FMT"/" field, _pid_); \
+ } \
+ _r_; \
+ })
+
+struct _locale_struct_ {
+ locale_t saved_locale;
+ locale_t new_locale;
+ bool quit;
+};
+
+static inline void _reset_locale_(struct _locale_struct_ *s) {
+ PROTECT_ERRNO;
+ if (s->saved_locale != (locale_t) 0)
+ uselocale(s->saved_locale);
+ if (s->new_locale != (locale_t) 0)
+ freelocale(s->new_locale);
+}
+
+#define RUN_WITH_LOCALE(mask, loc) \
+ for (_cleanup_(_reset_locale_) struct _locale_struct_ _saved_locale_ = { (locale_t) 0, (locale_t) 0, false }; \
+ ({ \
+ if (!_saved_locale_.quit) { \
+ PROTECT_ERRNO; \
+ _saved_locale_.new_locale = newlocale((mask), (loc), (locale_t) 0); \
+ if (_saved_locale_.new_locale != (locale_t) 0) \
+ _saved_locale_.saved_locale = uselocale(_saved_locale_.new_locale); \
+ } \
+ !_saved_locale_.quit; }) ; \
+ _saved_locale_.quit = true)
+
+bool id128_is_valid(const char *s) _pure_;
+
+int split_pair(const char *s, const char *sep, char **l, char **r);
+
+int shall_restore_state(void);
+
+/**
+ * Normal qsort requires base to be nonnull. Here were require
+ * that only if nmemb > 0.
+ */
+static inline void qsort_safe(void *base, size_t nmemb, size_t size,
+ int (*compar)(const void *, const void *)) {
+ if (nmemb) {
+ assert(base);
+ qsort(base, nmemb, size, compar);
+ }
+}
+
+int proc_cmdline(char **ret);
+int parse_proc_cmdline(int (*parse_word)(const char *key, const char *value));
+
+int container_get_leader(const char *machine, pid_t *pid);
+
+int namespace_open(pid_t pid, int *pidns_fd, int *mntns_fd, int *root_fd);
+int namespace_enter(int pidns_fd, int mntns_fd, int root_fd);
+
+bool pid_is_alive(pid_t pid);
+bool pid_is_unwaited(pid_t pid);
+
+int getpeercred(int fd, struct ucred *ucred);
+int getpeersec(int fd, char **ret);
+
+int writev_safe(int fd, const struct iovec *w, int j);
+
+int mkostemp_safe(char *pattern, int flags);
+int open_tmpfile(const char *path, int flags);
+
+int fd_warn_permissions(const char *path, int fd);
+
+unsigned long personality_from_string(const char *p);
+const char *personality_to_string(unsigned long);
+
+uint64_t physical_memory(void);
+
+char* mount_test_option(const char *haystack, const char *needle);
+
+void hexdump(FILE *f, const void *p, size_t s);
+
+union file_handle_union {
+ struct file_handle handle;
+ char padding[sizeof(struct file_handle) + MAX_HANDLE_SZ];
+};
+
+int update_reboot_param_file(const char *param);