fix hwclock_apply_localtime_delta() to properly handle negative TZ offset

[elogind.git] / src / util.h

diff --git a/src/util.h b/src/util.h
index 13e5f6203ac9233980287f25b7cbf5a0562cbff9..7a4bf81c8d1b063c92c99f3b6d299e2fa21752b9 100644 (file)
--- a/src/util.h
+++ b/src/util.h
@@ -25,6 +25,7 @@
 #include <inttypes.h>
 #include <time.h>
 #include <sys/time.h>
+#include <stdarg.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -74,6 +75,7 @@ typedef struct dual_timestamp {
 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)
 
@@ -83,6 +85,9 @@ 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);
 
+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)
 
@@ -114,6 +119,10 @@ 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);
@@ -189,13 +198,16 @@ char *split_quoted(const char *c, size_t *l, char **state);
 char **split_path_and_make_absolute(const char *p);
 
 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);
+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);
@@ -215,6 +227,7 @@ 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);
 
@@ -257,6 +270,7 @@ bool path_equal(const char *a, const char *b);
 
 char *ascii_strlower(char *path);
 
+bool dirent_is_file(struct dirent *de);
 bool ignore_file(const char *filename);
 
 bool chars_intersect(const char *a, const char *b);
@@ -304,7 +318,9 @@ int chvt(int vt);
 int read_one_char(FILE *f, char *ret, bool *need_nl);
 int ask(char *ret, const char *replies, const char *text, ...);
 
-int reset_terminal(int fd);
+int reset_terminal_fd(int fd);
+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 release_terminal(void);
@@ -316,6 +332,7 @@ 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);
@@ -336,13 +353,15 @@ char* getlogname_malloc(void);
 int getttyname_malloc(int fd, char **r);
 int getttyname_harder(int fd, char **r);
 
-int get_ctty_devnr(dev_t *d);
-int get_ctty(char **r);
+int get_ctty_devnr(pid_t pid, dev_t *d);
+int get_ctty(pid_t, dev_t *_devnr, char **r);
 
 int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
 
 int rm_rf(const char *path, bool only_dirs, bool delete_root);
 
+int pipe_eof(int fd);
+
 cpu_set_t* cpu_set_malloc(unsigned *ncpus);
 
 void status_vprintf(const char *format, va_list ap);
@@ -377,9 +396,11 @@ char *fstab_node_to_udev_node(const char *p);
 void filter_environ(const char *prefix);
 
 bool tty_is_vc(const char *tty);
+int vtnr_from_tty(const char *tty);
 const char *default_term_for_tty(const char *tty);
 
 int detect_vm(const char **id);
+int detect_container(const char **id);
 int detect_virtualization(const char **id);
 
 void execute_directory(const char *directory, DIR *_d, char *argv[]);
@@ -388,6 +409,45 @@ int kill_and_sigcont(pid_t pid, int sig);
 
 bool nulstr_contains(const char*nulstr, const char *needle);
 
+bool plymouth_running(void);
+
+void parse_syslog_priority(char **p, int *priority);
+
+int have_effective_cap(int value);
+
+bool hostname_is_valid(const char *s);
+char* hostname_cleanup(char *s);
+
+char* strshorten(char *s, size_t l);
+
+int terminal_vhangup_fd(int fd);
+int terminal_vhangup(const char *name);
+
+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 conf_files_list(char ***strv, const char *suffix, const char *dir, ...);
+
+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 audit_session_from_pid(pid_t pid, uint32_t *id);
+
+bool display_is_local(const char *display);
+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 glob_exists(const char *path);
+
 #define NULSTR_FOREACH(i, l)                                    \
         for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1)
 
@@ -400,8 +460,8 @@ 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 *log_facility_to_string(int i);
-int log_facility_from_string(const char *s);
+const char *log_facility_unshifted_to_string(int i);
+int log_facility_unshifted_from_string(const char *s);
 
 const char *log_level_to_string(int i);
 int log_level_from_string(const char *s);
@@ -420,4 +480,7 @@ int signal_from_string(const char *s);
 
 int signal_from_string_try_harder(const char *s);
 
+extern int saved_argc;
+extern char **saved_argv;
+
 #endif