X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Futil.h;h=b81edc8b2b18ca14049d50cacad7079515c7b16f;hp=4063ee7ff276b82b8b1f28d78f4decd4cccbef02;hb=ad293f5a94d8124ece7d1cb860952a87b1c8d98f;hpb=11ce3427242b8b4ddf638ed5703d69041d719b4c diff --git a/src/util.h b/src/util.h index 4063ee7ff..b81edc8b2 100644 --- a/src/util.h +++ b/src/util.h @@ -25,12 +25,15 @@ #include #include #include +#include #include #include #include #include #include #include +#include +#include #include "macro.h" @@ -52,12 +55,17 @@ 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" @@ -67,6 +75,9 @@ 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) usec_t timespec_load(const struct timespec *ts); struct timespec *timespec_store(struct timespec *ts, usec_t u); @@ -74,7 +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); @@ -104,6 +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); @@ -116,7 +135,10 @@ 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_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); @@ -179,9 +201,16 @@ 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, 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); @@ -191,6 +220,7 @@ 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); @@ -201,6 +231,7 @@ 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); @@ -243,17 +274,17 @@ 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); 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); -bool is_clean_exit_lsb(int code, int status); +int make_null_stdio(void); unsigned long long random_ull(void); @@ -291,7 +322,9 @@ 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); @@ -303,6 +336,7 @@ 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); @@ -319,11 +353,18 @@ void sigset_add_many(sigset_t *ss, ...); char* gethostname_malloc(void); char* getlogname_malloc(void); -int getttyname_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 rm_rf(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); @@ -339,19 +380,109 @@ char *ellipsize(const char *s, unsigned length, unsigned percent); int touch(const char *path); -char *unquote(const char *s, const char quote); +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); -#define NULSTR_FOREACH(i, l) \ +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); + +char *join(const char *x, ...) _sentinel_; + +bool is_main_thread(void); + +bool in_charset(const char *s, const char* charset); + +int block_get_whole_disk(dev_t d, dev_t *ret); + +int file_is_sticky(const char *p); + +#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); @@ -368,4 +499,9 @@ 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