X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Futil.h;h=a71a297eab6b56740efe070d3473dd3118b183f3;hb=2096e009a790073a934f5cd07d17024d3b199d0b;hp=946179a90d3b27a505865ff901e2b3b4c807f6be;hpb=9beb3f4d5c527f995e0e44308d7372fa4ea5470f;p=elogind.git diff --git a/src/util.h b/src/util.h index 946179a90..a71a297ea 100644 --- a/src/util.h +++ b/src/util.h @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #include @@ -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) @@ -133,7 +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); @@ -196,13 +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); +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); @@ -212,6 +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); @@ -222,6 +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); @@ -264,6 +274,7 @@ 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); @@ -277,13 +288,13 @@ int make_null_stdio(void); unsigned long long random_ull(void); -#define DEFINE_STRING_TABLE_LOOKUP(name,type) \ - const char *name##_to_string(type i) { \ +#define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \ + scope const char *name##_to_string(type i) { \ if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \ return NULL; \ return name##_table[i]; \ } \ - type name##_from_string(const char *s) { \ + scope type name##_from_string(const char *s) { \ type i; \ unsigned u = 0; \ assert(s); \ @@ -298,6 +309,8 @@ unsigned long long random_ull(void); } \ 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) int fd_nonblock(int fd, bool nonblock); int fd_cloexec(int fd, bool cloexec); @@ -311,7 +324,9 @@ 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); @@ -323,11 +338,12 @@ 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); +int path_is_mount_point(const char *path, bool allow_symlink); bool is_device_path(const char *path); @@ -343,12 +359,14 @@ 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, dev_t *_devnr); +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); @@ -373,6 +391,7 @@ 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); @@ -384,12 +403,9 @@ 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); @@ -407,6 +423,52 @@ 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); + +int strdup_or_null(const char *a, char **b); + #define NULSTR_FOREACH(i, l) \ for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1) @@ -439,4 +501,11 @@ int signal_from_string(const char *s); int signal_from_string_try_harder(const char *s); +extern int saved_argc; +extern char **saved_argv; + +bool kexec_loaded(void); + +unsigned long cap_last_cap(void); + #endif