#include <locale.h>
#include <mntent.h>
#include <sys/socket.h>
+#include <sys/inotify.h>
#if SIZEOF_PID_T == 4
-# define PID_FMT "%" PRIu32
+# define PID_FMT "%" PRIi32
#elif SIZEOF_PID_T == 2
-# define PID_FMT "%" PRIu16
+# define PID_FMT "%" PRIi16
#else
# error Unknown pid_t size
#endif
#if SIZEOF_TIME_T == 8
# define PRI_TIME PRIu64
-#elif SIZEOF_GID_T == 4
+#elif SIZEOF_TIME_T == 4
# define PRI_TIME PRIu32
#else
# error Unknown time_t size
#endif
#include "macro.h"
+#include "missing.h"
#include "time-util.h"
/* What is interpreted as whitespace? */
#define COMMENTS "#;"
#define GLOB_CHARS "*?["
+/* What characters are special in the shell? */
+/* must be escaped outside and inside double-quotes */
+#define SHELL_NEED_ESCAPE "\"\\`$"
+/* can be escaped or double-quoted */
+#define SHELL_NEED_QUOTES SHELL_NEED_ESCAPE GLOB_CHARS "'()<>|&;"
+
#define FORMAT_BYTES_MAX 8
#define ANSI_HIGHLIGHT_ON "\x1B[1;39m"
#define ANSI_HIGHLIGHT_OFF "\x1B[0m"
#define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
-size_t page_size(void);
+size_t page_size(void) _pure_;
#define PAGE_ALIGN(l) ALIGN_TO((l), page_size())
#define streq(a,b) (strcmp((a),(b)) == 0)
#define newa(t, n) ((t*) alloca(sizeof(t)*(n)))
+#define newa0(t, n) ((t*) alloca0(sizeof(t)*(n)))
+
#define newdup(t, p, n) ((t*) memdup_multiply(p, sizeof(t), (n)))
#define malloc0(n) (calloc((n), 1))
return b ? "true" : "false";
}
+static inline const char* one_zero(bool b) {
+ return b ? "1" : "0";
+}
+
static inline const char* strempty(const char *s) {
return s ? s : "";
}
return !p || !p[0];
}
-static inline const char *startswith(const char *s, const char *prefix) {
- if (strncmp(s, prefix, strlen(prefix)) == 0)
- return s + strlen(prefix);
+static inline char *startswith(const char *s, const char *prefix) {
+ size_t l;
+
+ l = strlen(prefix);
+ if (strncmp(s, prefix, l) == 0)
+ return (char*) s + l;
+
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);
+static inline char *startswith_no_case(const char *s, const char *prefix) {
+ size_t l;
+
+ l = strlen(prefix);
+ if (strncasecmp(s, prefix, l) == 0)
+ return (char*) s + l;
+
return NULL;
}
char *endswith(const char *s, const char *postfix) _pure_;
-bool first_word(const char *s, const char *word) _pure_;
+char *first_word(const char *s, const char *word) _pure_;
int close_nointr(int fd);
int safe_close(int fd);
int safe_atod(const char *s, double *ret_d);
-#if __WORDSIZE == 32
+int safe_atou8(const char *s, uint8_t *ret);
+
+#if LONG_MAX == INT_MAX
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);
return safe_atolli(s, (long long int*) ret_i);
}
-char *split(const char *c, size_t *l, const char *separator, bool quoted, char **state);
+int safe_atou16(const char *s, uint16_t *ret);
+int safe_atoi16(const char *s, int16_t *ret);
+
+const char* split(const char **state, size_t *l, const char *separator, bool quoted);
#define FOREACH_WORD(word, length, s, state) \
_FOREACH_WORD(word, length, s, WHITESPACE, false, state)
#define FOREACH_WORD_QUOTED(word, length, s, 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)
-
#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)))
+ for ((state) = (s), (word) = split(&(state), &(length), (separator), (quoted)); (word); (word) = split(&(state), &(length), (separator), (quoted)))
pid_t get_parent_of_pid(pid_t pid, pid_t *ppid);
-int get_starttime_of_pid(pid_t pid, unsigned long long *st);
char *strappend(const char *s, const char *suffix);
char *strnappend(const char *s, const char *suffix, size_t length);
int readlinkat_malloc(int fd, const char *p, char **ret);
int readlink_malloc(const char *p, char **r);
+int readlink_value(const char *p, char **ret);
int readlink_and_make_absolute(const char *p, char **r);
int readlink_and_canonicalize(const char *p, char **r);
int reset_all_signal_handlers(void);
+int reset_signal_mask(void);
char *strstrip(char *s);
char *delete_chars(char *s, const char *bad);
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);
+int get_process_cwd(pid_t pid, char **cwd);
+int get_process_root(pid_t pid, char **root);
+int get_process_environ(pid_t pid, char **environ);
char hexchar(int x) _const_;
int unhexchar(char c) _const_;
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) _pure_;
+bool hidden_file(const char *filename) _pure_;
bool chars_intersect(const char *a, const char *b) _pure_;
int dev_urandom(void *p, size_t n);
void random_bytes(void *p, size_t n);
+void initialize_srand(void);
static inline uint64_t random_u64(void) {
uint64_t u;
if (!s) \
return log_oom(); \
} else { \
- r = asprintf(&s, "%u", i); \
+ r = asprintf(&s, "%i", i); \
if (r < 0) \
return log_oom(); \
} \
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, ...) _printf_(3, 4);
+int ask_char(char *ret, const char *replies, const char *text, ...) _printf_(3, 4);
+int ask_string(char **ret, const char *text, ...) _printf_(2, 3);
int reset_terminal_fd(int fd, bool switch_to_text);
int reset_terminal(const char *name);
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 loop_write(int fd, const void *buf, size_t nbytes, bool do_poll);
bool is_device_path(const char *path);
bool hostname_is_set(void);
+char* lookup_uid(uid_t uid);
char* gethostname_malloc(void);
char* getlogname_malloc(void);
char* getusername_malloc(void);
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 is_fd_on_temporary_fs(int fd);
+
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);
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);
+int wait_for_terminate_and_warn(const char *name, pid_t pid, bool check_exit_code);
noreturn void freeze(void);
bool null_or_empty(struct stat *st) _pure_;
int null_or_empty_path(const char *fn);
+int null_or_empty_fd(int fd);
DIR *xopendirat(int dirfd, const char *name, int flags);
int vtnr_from_tty(const char *tty);
const char *default_term_for_tty(const char *tty);
-void execute_directory(const char *directory, DIR *_d, usec_t timeout, char *argv[]);
+void execute_directories(const char* const* directories, usec_t timeout, char *argv[]);
int kill_and_sigcont(pid_t pid, int sig);
bool hostname_is_valid(const char *s) _pure_;
char* hostname_cleanup(char *s, bool lowercase);
+bool machine_name_is_valid(const char *s) _pure_;
+
char* strshorten(char *s, size_t l);
int terminal_vhangup_fd(int fd);
int vt_disallocate(const char *name);
int symlink_atomic(const char *from, const char *to);
+int mknod_atomic(const char *path, mode_t mode, dev_t dev);
+int mkfifo_atomic(const char *path, mode_t mode);
int fchmod_umask(int fd, mode_t mode);
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 *strjoin(const char *x, ...) _sentinel_;
int block_get_whole_disk(dev_t d, dev_t *ret);
-int file_is_priv_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)
int getenv_for_pid(pid_t pid, const char *field, char **_value);
-bool is_valid_documentation_url(const char *url) _pure_;
+bool http_url_is_valid(const char *url) _pure_;
+bool documentation_url_is_valid(const char *url) _pure_;
+
+bool http_etag_is_valid(const char *etag);
bool in_initrd(void);
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);
}
return memdup(p, a * b);
}
-bool filename_is_safe(const char *p) _pure_;
+bool filename_is_valid(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_;
+bool string_has_cc(const char *p, const char *ok) _pure_;
/**
* Check if a string contains any glob patterns.
on_error; \
} \
break; \
- } else if (ignore_file((de)->d_name)) \
+ } else if (hidden_file((de)->d_name)) \
continue; \
else
+#define FOREACH_DIRENT_ALL(de, d, on_error) \
+ for (errno = 0, de = readdir(d);; errno = 0, de = readdir(d)) \
+ if (!de) { \
+ if (errno > 0) { \
+ on_error; \
+ } \
+ break; \
+ } else
+
static inline void *mempset(void *s, int c, size_t n) {
memset(s, c, n);
return (uint8_t*)s + n;
#define PROTECT_ERRNO _cleanup_(_reset_errno_) __attribute__((unused)) int _saved_errno_ = errno
+static inline int negative_errno(void) {
+ /* This helper should be used to shut up gcc if you know 'errno' is
+ * negative. Instead of "return -errno;", use "return negative_errno();"
+ * It will suppress bogus gcc warnings in case it assumes 'errno' might
+ * be 0 and thus the caller's error-handling might not be triggered. */
+ assert_return(errno > 0, -EINVAL);
+ return -errno;
+}
+
struct _umask_struct_ {
mode_t mask;
bool quit;
return __SIZEOF_INT__ * 8 - __builtin_clz(x) - 1;
}
+static inline unsigned log2u(unsigned x) {
+ assert(x > 0);
+
+ return sizeof(unsigned) * 8 - __builtin_clz(x) - 1;
+}
+
+static inline unsigned log2u_round_up(unsigned x) {
+ assert(x > 0);
+
+ if (x == 1)
+ return 0;
+
+ return log2u(x - 1) + 1;
+}
+
static inline bool logind_running(void) {
return access("/run/systemd/seats/", F_OK) >= 0;
}
(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_; \
+/* It's not clear what alignment glibc/gcc alloca() guarantee, hence provide a guaranteed safe version */
+#define alloca_align(size, align) \
+ ({ \
+ void *_ptr_; \
+ size_t _mask_ = (align) - 1; \
+ _ptr_ = alloca((size) + _mask_); \
+ (void*)(((uintptr_t)_ptr_ + _mask_) & ~_mask_); \
+ })
+
+#define alloca0_align(size, align) \
+ ({ \
+ void *_new_; \
+ size_t _size_ = (size); \
+ _new_ = alloca_align(_size_, (align)); \
+ (void*)memset(_new_, 0, _size_); \
})
-#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 strappenda(a, ...) \
+ ({ \
+ int _len = strlen(a); \
+ unsigned _i; \
+ char *_d_, *_p_; \
+ const char *_appendees_[] = { __VA_ARGS__ }; \
+ for (_i = 0; _i < ELEMENTSOF(_appendees_); _i++) \
+ _len += strlen(_appendees_[_i]); \
+ _d_ = alloca(_len + 1); \
+ _p_ = stpcpy(_d_, a); \
+ for (_i = 0; _i < ELEMENTSOF(_appendees_); _i++) \
+ _p_ = stpcpy(_p_, _appendees_[_i]); \
+ _d_; \
})
#define procfs_file_alloca(pid, field) \
_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 proc_cmdline(char **ret);
int parse_proc_cmdline(int (*parse_word)(const char *key, const char *value));
+int get_proc_cmdline_key(const char *parameter, char **value);
int container_get_leader(const char *machine, pid_t *pid);
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];
};
+#define FILE_HANDLE_INIT { .handle.handle_bytes = MAX_HANDLE_SZ }
int update_reboot_param_file(const char *param);
int fflush_and_check(FILE *f);
-char *tempfn_xxxxxx(const char *p);
-char *tempfn_random(const char *p);
+int tempfn_xxxxxx(const char *p, char **ret);
+int tempfn_random(const char *p, char **ret);
+int tempfn_random_child(const char *p, char **ret);
+
+bool is_localhost(const char *hostname);
+
+int take_password_lock(const char *root);
+
+int is_symlink(const char *path);
+int is_dir(const char *path, bool follow);
+
+int unquote_first_word(const char **p, char **ret, bool relax);
+int unquote_many_words(const char **p, ...) _sentinel_;
+
+int free_and_strdup(char **p, const char *s);
+
+int sethostname_idempotent(const char *s);
+
+#define INOTIFY_EVENT_MAX (sizeof(struct inotify_event) + NAME_MAX + 1)
+
+#define FOREACH_INOTIFY_EVENT(e, buffer, sz) \
+ for ((e) = &buffer.ev; \
+ (uint8_t*) (e) < (uint8_t*) (buffer.raw) + (sz); \
+ (e) = (struct inotify_event*) ((uint8_t*) (e) + sizeof(struct inotify_event) + (e)->len))
+
+union inotify_event_buffer {
+ struct inotify_event ev;
+ uint8_t raw[INOTIFY_EVENT_MAX];
+};
+
+#define laccess(path, mode) faccessat(AT_FDCWD, (path), (mode), AT_SYMLINK_NOFOLLOW)
+
+int ptsname_malloc(int fd, char **ret);
+
+int openpt_in_namespace(pid_t pid, int flags);
+
+ssize_t fgetxattrat_fake(int dirfd, const char *filename, const char *attribute, void *value, size_t size, int flags);
+
+int fd_setcrtime(int fd, usec_t usec);
+int fd_getcrtime(int fd, usec_t *usec);
+int path_getcrtime(const char *p, usec_t *usec);
+int fd_getcrtime_at(int dirfd, const char *name, usec_t *usec, int flags);
+
+int same_fd(int a, int b);
+
+int chattr_fd(int fd, bool b, unsigned mask);
+int chattr_path(const char *p, bool b, unsigned mask);
+
+int read_attr_fd(int fd, unsigned *ret);
+int read_attr_path(const char *p, unsigned *ret);
+
+typedef struct LockFile {
+ char *path;
+ int fd;
+ int operation;
+} LockFile;
+
+int make_lock_file(const char *p, int operation, LockFile *ret);
+int make_lock_file_for(const char *p, int operation, LockFile *ret);
+void release_lock_file(LockFile *f);
+
+#define _cleanup_release_lock_file_ _cleanup_(release_lock_file)
+
+#define LOCK_FILE_INIT { .fd = -1, .path = NULL }
+
+#define RLIMIT_MAKE_CONST(lim) ((struct rlimit) { lim, lim })
+
+ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length);
+
+void sigkill_wait(pid_t *pid);
+#define _cleanup_sigkill_wait_ _cleanup_(sigkill_wait)
+
+int syslog_parse_priority(const char **p, int *priority, bool with_facility);
~ianmdlvl / elogind.git / blobdiff