X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Futil.h;h=bf5703c5aa310290199704eda0ed50f1dbc00463;hp=50bac6edf81ca8588132ce7cc0e216c9ab601fc4;hb=4b67834e9f8a336dbc917f3bf212550e61cc98b4;hpb=82c121a4754a9d405b07c75796e329942af2ccc5

diff --git a/src/util.h b/src/util.h
index 50bac6edf..bf5703c5a 100644
--- a/src/util.h
+++ b/src/util.h
@@ -1,4 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 #ifndef fooutilhfoo
 #define fooutilhfoo
@@ -25,11 +25,15 @@
 #include <inttypes.h>
 #include <time.h>
 #include <sys/time.h>
+#include <stdarg.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <signal.h>
 #include <sched.h>
+#include <limits.h>
+#include <sys/stat.h>
+#include <dirent.h>
 
 #include "macro.h"
 
@@ -51,17 +55,29 @@ typedef struct dual_timestamp {
 #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)
 
 /* What is interpreted as whitespace? */
 #define WHITESPACE " \t\n\r"
 #define NEWLINE "\n\r"
+#define QUOTES "\"\'"
+#define COMMENTS "#;\n"
 
 #define FORMAT_TIMESTAMP_MAX 64
+#define FORMAT_TIMESTAMP_PRETTY_MAX 256
 #define FORMAT_TIMESPAN_MAX 64
 
+#define ANSI_HIGHLIGHT_ON "\x1B[1;31m"
+#define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m"
+#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);
@@ -69,7 +85,11 @@ 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)
 
 bool streq_ptr(const char *a, const char *b);
 
@@ -99,6 +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);
@@ -112,25 +136,54 @@ 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_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_atou(const char *s, unsigned *ret_u);
 int safe_atoi(const char *s, int *ret_i);
 
+int safe_atollu(const char *s, unsigned long long *ret_u);
+int safe_atolli(const char *s, long long int *ret_i);
+
+#if __WORDSIZE == 32
+static inline int safe_atolu(const char *s, unsigned long *ret_u) {
+        assert_cc(sizeof(unsigned long) == sizeof(unsigned));
+        return safe_atou(s, (unsigned*) ret_u);
+}
+static inline int safe_atoli(const char *s, long int *ret_u) {
+        assert_cc(sizeof(long int) == sizeof(int));
+        return safe_atoi(s, (int*) ret_u);
+}
+#else
+static inline int safe_atolu(const char *s, unsigned long *ret_u) {
+        assert_cc(sizeof(unsigned long) == sizeof(unsigned long long));
+        return safe_atollu(s, (unsigned long long*) ret_u);
+}
+static inline int safe_atoli(const char *s, long int *ret_u) {
+        assert_cc(sizeof(long int) == sizeof(long long int));
+        return safe_atolli(s, (long long int*) ret_u);
+}
+#endif
+
 static inline int safe_atou32(const char *s, uint32_t *ret_u) {
         assert_cc(sizeof(uint32_t) == sizeof(unsigned));
         return safe_atou(s, (unsigned*) ret_u);
 }
 
-static inline int safe_atoi32(const char *s, int32_t *ret_u) {
+static inline int safe_atoi32(const char *s, int32_t *ret_i) {
         assert_cc(sizeof(int32_t) == sizeof(int));
-        return safe_atoi(s, (int*) ret_u);
+        return safe_atoi(s, (int*) ret_i);
 }
 
-int safe_atolu(const char *s, unsigned long *ret_u);
-int safe_atoli(const char *s, long int *ret_i);
+static inline int safe_atou64(const char *s, uint64_t *ret_u) {
+        assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));
+        return safe_atollu(s, (unsigned long long*) ret_u);
+}
 
-int safe_atollu(const char *s, unsigned long long *ret_u);
-int safe_atolli(const char *s, long long int *ret_i);
+static inline int safe_atoi64(const char *s, int64_t *ret_i) {
+        assert_cc(sizeof(int64_t) == sizeof(long long int));
+        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);
@@ -147,14 +200,26 @@ 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, 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);
+
+char *replace_env(const char *format, char **env);
+char **replace_env_argv(char **argv, char **env);
 
 int readlink_malloc(const char *p, char **r);
 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);
@@ -165,6 +230,7 @@ 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);
 
@@ -177,9 +243,12 @@ int safe_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid);
 int mkdir_parents(const char *path, mode_t mode);
 int mkdir_p(const char *path, mode_t mode);
 
+int parent_of_path(const char *path, char **parent);
+
 int rmdir_parents(const char *path, const char *stop);
 
 int get_process_name(pid_t pid, char **name);
+int get_process_cmdline(pid_t pid, size_t max_length, char **line);
 
 char hexchar(int x);
 int unhexchar(char c);
@@ -190,6 +259,12 @@ int undecchar(char c);
 
 char *cescape(const char *s);
 char *cunescape(const char *s);
+char *cunescape_length(const char *s, size_t length);
+
+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);
 
@@ -198,21 +273,17 @@ bool path_equal(const char *a, const char *b);
 
 char *ascii_strlower(char *path);
 
-char *xescape(const char *s, const char *bad);
-
-char *bus_path_escape(const char *s);
-char *bus_path_unescape(const char *s);
-
+bool dirent_is_file(struct dirent *de);
 bool ignore_file(const char *filename);
 
 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);
 
 int make_stdio(int fd);
-
-bool is_clean_exit(int code, int status);
+int make_null_stdio(void);
 
 unsigned long long random_ull(void);
 
@@ -250,7 +321,9 @@ 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);
@@ -262,6 +335,7 @@ 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);
@@ -278,23 +352,126 @@ void sigset_add_many(sigset_t *ss, ...);
 
 char* gethostname_malloc(void);
 char* getlogname_malloc(void);
-int getttyname_malloc(char **r);
-int getmachineid_malloc(char **r);
+
+int getttyname_malloc(int fd, char **r);
+int getttyname_harder(int fd, 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);
+void status_printf(const char *format, ...);
+void status_welcome(void);
+
+int columns(void);
+
+int running_in_chroot(void);
+
+char *ellipsize(const char *s, unsigned length, unsigned percent);
+
+int touch(const char *path);
+
+char *unquote(const char *s, const char *quotes);
+char *normalize_env_assignment(const char *s);
+
+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);
+
+bool null_or_empty(struct stat *st);
+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);
+
+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[]);
+
+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 get_group_creds(const char **groupname, gid_t *gid);
+
+int glob_exists(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);
+
+#define NULSTR_FOREACH(i, l)                                    \
+        for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1)
+
+#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_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);
@@ -308,4 +485,12 @@ int rlimit_from_string(const char *s);
 const char *ip_tos_to_string(int i);
 int ip_tos_from_string(const char *s);
 
+const char *signal_to_string(int i);
+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