***/
#include <alloca.h>
+#include <fcntl.h>
#include <inttypes.h>
#include <time.h>
#include <sys/time.h>
#include <stddef.h>
#include <unistd.h>
#include <locale.h>
+#include <mntent.h>
+#include <sys/socket.h>
+
+#if SIZEOF_PID_T == 4
+# define PID_FMT "%" PRIu32
+#elif SIZEOF_PID_T == 2
+# define PID_FMT "%" PRIu16
+#else
+# error Unknown pid_t size
+#endif
+
+#if SIZEOF_UID_T == 4
+# define UID_FMT "%" PRIu32
+#elif SIZEOF_UID_T == 2
+# define UID_FMT "%" PRIu16
+#else
+# error Unknown uid_t size
+#endif
+
+#if SIZEOF_GID_T == 4
+# define GID_FMT "%" PRIu32
+#elif SIZEOF_GID_T == 2
+# define GID_FMT "%" PRIu16
+#else
+# error Unknown gid_t size
+#endif
#include "macro.h"
#include "time-util.h"
-union dirent_storage {
- struct dirent de;
- uint8_t storage[offsetof(struct dirent, d_name) +
- ((NAME_MAX + 1 + sizeof(long)) & ~(sizeof(long) - 1))];
-};
-
/* What is interpreted as whitespace? */
#define WHITESPACE " \t\n\r"
-#define NEWLINE "\n\r"
-#define QUOTES "\"\'"
-#define COMMENTS "#;"
+#define NEWLINE "\n\r"
+#define QUOTES "\"\'"
+#define COMMENTS "#;"
+#define GLOB_CHARS "*?["
#define FORMAT_BYTES_MAX 8
#define ANSI_GREEN_ON "\x1B[32m"
#define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m"
#define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m"
+#define ANSI_HIGHLIGHT_BLUE_ON "\x1B[1;34m"
#define ANSI_HIGHLIGHT_OFF "\x1B[0m"
#define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
return b ? "yes" : "no";
}
+static inline const char* true_false(bool b) {
+ return b ? "true" : "false";
+}
+
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);
+ 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);
+ return NULL;
+}
+
char *endswith(const char *s, const char *postfix) _pure_;
-char *startswith(const char *s, const char *prefix) _pure_;
-char *startswith_no_case(const char *s, const char *prefix) _pure_;
bool first_word(const char *s, const char *word) _pure_;
int close_nointr(int fd);
-void close_nointr_nofail(int fd);
+int safe_close(int fd);
+void safe_close_pair(int p[]);
+
void close_many(const int fds[], unsigned n_fd);
+int parse_size(const char *t, off_t base, off_t *size);
+
int parse_boolean(const char *v) _pure_;
-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)
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);
+char *split(const char *c, size_t *l, const char *separator, bool quoted, char **state);
#define FOREACH_WORD(word, length, s, state) \
- for ((state) = NULL, (word) = split((s), &(length), WHITESPACE, &(state)); (word); (word) = split((s), &(length), WHITESPACE, &(state)))
+ _FOREACH_WORD(word, length, s, WHITESPACE, false, state)
#define FOREACH_WORD_SEPARATOR(word, length, s, separator, state) \
- for ((state) = NULL, (word) = split((s), &(length), (separator), &(state)); (word); (word) = split((s), &(length), (separator), &(state)))
+ _FOREACH_WORD(word, length, s, separator, false, state)
#define FOREACH_WORD_QUOTED(word, length, s, state) \
- for ((state) = NULL, (word) = split_quoted((s), &(length), &(state)); (word); (word) = split_quoted((s), &(length), &(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)))
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 rmdir_parents(const char *path, const char *stop);
+int get_process_state(pid_t pid);
int get_process_comm(pid_t pid, char **name);
int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line);
int get_process_exe(pid_t pid, char **name);
char *xescape(const char *s, const char *bad);
-char *bus_path_escape(const char *s);
-char *bus_path_unescape(const char *s);
-
char *ascii_strlower(char *path);
bool dirent_is_file(const struct dirent *de) _pure_;
int make_null_stdio(void);
int make_console_stdio(void);
-unsigned long long random_ull(void);
+int dev_urandom(void *p, size_t n);
+void random_bytes(void *p, size_t n);
+
+static inline uint64_t random_u64(void) {
+ uint64_t u;
+ random_bytes(&u, sizeof(u));
+ return u;
+}
+
+static inline uint32_t random_u32(void) {
+ uint32_t u;
+ random_bytes(&u, sizeof(u));
+ return u;
+}
/* For basic lookup tables with strictly enumerated entries */
#define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \
} \
scope type name##_from_string(const char *s) { \
type i; \
- assert(s); \
+ if (!s) \
+ return (type) -1; \
for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \
if (name##_table[i] && \
streq(name##_table[i], s)) \
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_attr_(3, 4);
+int ask(char *ret, const char *replies, const char *text, ...) _printf_(3, 4);
int reset_terminal_fd(int fd, bool switch_to_text);
int reset_terminal(const char *name);
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);
cpu_set_t* cpu_set_malloc(unsigned *ncpus);
-int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap) _printf_attr_(4,0);
-int status_printf(const char *status, bool ellipse, bool ephemeral, const char *format, ...) _printf_attr_(4,5);
-int status_welcome(void);
+int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap) _printf_(4,0);
+int status_printf(const char *status, bool ellipse, bool ephemeral, const char *format, ...) _printf_(4,5);
int fd_columns(int fd);
unsigned columns(void);
return on_tty() ? ANSI_HIGHLIGHT_GREEN_ON : "";
}
+static inline const char *ansi_highlight_yellow(void) {
+ return on_tty() ? ANSI_HIGHLIGHT_YELLOW_ON : "";
+}
+
+static inline const char *ansi_highlight_blue(void) {
+ return on_tty() ? ANSI_HIGHLIGHT_BLUE_ON : "";
+}
+
static inline const char *ansi_highlight_off(void) {
return on_tty() ? ANSI_HIGHLIGHT_OFF : "";
}
+int files_same(const char *filea, const char *fileb);
+
int running_in_chroot(void);
char *ellipsize(const char *s, size_t length, unsigned percent);
+ /* bytes columns */
char *ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigned percent);
int touch(const char *path);
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);
+noreturn void freeze(void);
bool null_or_empty(struct stat *st) _pure_;
int null_or_empty_path(const char *fn);
int vtnr_from_tty(const char *tty);
const char *default_term_for_tty(const char *tty);
-void execute_directory(const char *directory, DIR *_d, char *argv[]);
+void execute_directory(const char *directory, DIR *_d, usec_t timeout, char *argv[]);
int kill_and_sigcont(pid_t pid, int sig);
int vt_disallocate(const char *name);
-int copy_file(const char *from, const char *to);
+int copy_file(const char *from, const char *to, int flags);
int symlink_atomic(const char *from, const char *to);
bool is_main_thread(void);
-bool in_charset(const char *s, const char* charset) _pure_;
+static inline bool _pure_ in_charset(const char *s, const char* charset) {
+ assert(s);
+ assert(charset);
+ return s[strspn(s, charset)] == '\0';
+}
int block_get_whole_disk(dev_t d, dev_t *ret);
void warn_melody(void);
int get_home_dir(char **ret);
+int get_shell(char **_ret);
static inline void freep(void *p) {
free(*(void**) p);
}
-static inline void fclosep(FILE **f) {
- if (*f)
- fclose(*f);
-}
-
-static inline void pclosep(FILE **f) {
- if (*f)
- pclose(*f);
-}
+#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) {
- if (*fd >= 0)
- close_nointr_nofail(*fd);
-}
-
-static inline void closedirp(DIR **d) {
- if (*d)
- closedir(*d);
+ safe_close(*fd);
}
static inline void umaskp(mode_t *u) {
umask(*u);
}
+static inline void close_pairp(int (*p)[2]) {
+ safe_close_pair(*p);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, fclose);
+DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, pclose);
+DEFINE_TRIVIAL_CLEANUP_FUNC(DIR*, closedir);
+DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, endmntent);
+
#define _cleanup_free_ _cleanup_(freep)
-#define _cleanup_fclose_ _cleanup_(fclosep)
-#define _cleanup_pclose_ _cleanup_(pclosep)
#define _cleanup_close_ _cleanup_(closep)
-#define _cleanup_closedir_ _cleanup_(closedirp)
#define _cleanup_umask_ _cleanup_(umaskp)
#define _cleanup_globfree_ _cleanup_(globfree)
+#define _cleanup_fclose_ _cleanup_(fclosep)
+#define _cleanup_pclose_ _cleanup_(pclosep)
+#define _cleanup_closedir_ _cleanup_(closedirp)
+#define _cleanup_endmntent_ _cleanup_(endmntentp)
+#define _cleanup_close_pair_ _cleanup_(close_pairp)
_malloc_ _alloc_(1, 2) static inline void *malloc_multiply(size_t a, size_t b) {
if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
bool string_is_safe(const char *p) _pure_;
bool string_has_cc(const char *p) _pure_;
+/**
+ * Check if a string contains any glob patterns.
+ */
+_pure_ static inline bool string_is_glob(const char *p) {
+ return !!strpbrk(p, GLOB_CHARS);
+}
+
void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
int (*compar) (const void *, const void *, void *),
void *arg);
bool is_locale_utf8(void);
typedef enum DrawSpecialChar {
- DRAW_TREE_VERT,
+ DRAW_TREE_VERTICAL,
DRAW_TREE_BRANCH,
DRAW_TREE_RIGHT,
DRAW_TREE_SPACE,
DRAW_TRIANGULAR_BULLET,
+ DRAW_BLACK_CIRCLE,
+ DRAW_ARROW,
_DRAW_SPECIAL_CHAR_MAX
} DrawSpecialChar;
+
const char *draw_special_char(DrawSpecialChar ch);
char *strreplace(const char *text, const char *old_string, const char *new_string);
int on_ac_power(void);
-int search_and_fopen(const char *path, const char *mode, const char **search, FILE **_f);
-int search_and_fopen_nulstr(const char *path, const char *mode, const char *search, FILE **_f);
-int create_tmp_dir(char template[], char** dir_name);
+int search_and_fopen(const char *path, const char *mode, const char *root, const char **search, FILE **_f);
+int search_and_fopen_nulstr(const char *path, const char *mode, const char *root, const char *search, FILE **_f);
#define FOREACH_LINE(line, f, on_error) \
for (;;) \
char *strextend(char **x, ...) _sentinel_;
char *strrep(const char *s, unsigned n);
-void* greedy_realloc(void **p, size_t *allocated, size_t need);
-#define GREEDY_REALLOC(array, allocated, need) \
- greedy_realloc((void**) &(array), &(allocated), sizeof((array)[0]) * (need))
+void* greedy_realloc(void **p, size_t *allocated, size_t need, size_t size);
+void* greedy_realloc0(void **p, size_t *allocated, size_t need, size_t size);
+#define GREEDY_REALLOC(array, allocated, need) \
+ greedy_realloc((void**) &(array), &(allocated), (need), sizeof((array)[0]))
+
+#define GREEDY_REALLOC0(array, allocated, need) \
+ greedy_realloc0((void**) &(array), &(allocated), (need), sizeof((array)[0]))
static inline void _reset_errno_(int *saved_errno) {
errno = *saved_errno;
_saved_umask_.quit = true)
static inline unsigned u64log2(uint64_t n) {
- return (n > 1) ? __builtin_clzll(n) ^ 63U : 0;
+#if __SIZEOF_LONG_LONG__ == 8
+ return (n > 1) ? (unsigned) __builtin_clzll(n) ^ 63U : 0;
+#else
+#error "Wut?"
+#endif
+}
+
+static inline unsigned u32ctz(uint32_t n) {
+#if __SIZEOF_INT__ == 4
+ return __builtin_ctz(n);
+#else
+#error "Wut?"
+#endif
+}
+
+static inline int log2i(int x) {
+ assert(x > 0);
+
+ return __SIZEOF_INT__ * 8 - __builtin_clz(x) - 1;
}
static inline bool logind_running(void) {
_c_; \
})
+#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 procfs_file_alloca(pid, field) \
({ \
pid_t _pid_ = (pid); \
- char *_r_; \
- _r_ = alloca(sizeof("/proc/") -1 + DECIMAL_STR_MAX(pid_t) + 1 + sizeof(field)); \
- sprintf(_r_, "/proc/%lu/" field, (unsigned long) _pid_); \
+ const char *_r_; \
+ if (_pid_ == 0) { \
+ _r_ = ("/proc/self/" field); \
+ } else { \
+ _r_ = alloca(strlen("/proc/") + DECIMAL_STR_MAX(pid_t) + 1 + sizeof(field)); \
+ sprintf((char*) _r_, "/proc/"PID_FMT"/" field, _pid_); \
+ } \
_r_; \
})
_saved_locale_.quit = true)
bool id128_is_valid(const char *s) _pure_;
-void parse_user_at_host(char *arg, char **user, char **host);
int split_pair(const char *s, const char *sep, char **l, char **r);
+
+int shall_restore_state(void);
+
+/**
+ * Normal qsort requires base to be nonnull. Here were require
+ * that only if nmemb > 0.
+ */
+static inline void qsort_safe(void *base, size_t nmemb, size_t size,
+ int (*compar)(const void *, const void *)) {
+ if (nmemb) {
+ assert(base);
+ qsort(base, nmemb, size, compar);
+ }
+}
+
+int proc_cmdline(char **ret);
+int parse_proc_cmdline(int (*parse_word)(const char *key, const char *value));
+
+int container_get_leader(const char *machine, pid_t *pid);
+
+int namespace_open(pid_t pid, int *pidns_fd, int *mntns_fd, int *root_fd);
+int namespace_enter(int pidns_fd, int mntns_fd, int root_fd);
+
+bool pid_is_alive(pid_t pid);
+bool pid_is_unwaited(pid_t pid);
+
+int getpeercred(int fd, struct ucred *ucred);
+int getpeersec(int fd, char **ret);
+
+int writev_safe(int fd, const struct iovec *w, int j);
+
+int mkostemp_safe(char *pattern, int flags);
+int open_tmpfile(const char *path, int flags);
+
+int fd_warn_permissions(const char *path, int fd);
+
+unsigned long personality_from_string(const char *p);
+const char *personality_to_string(unsigned long);
+
+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];
+};
+
+int update_reboot_param_file(const char *param);
~ianmdlvl / elogind.git / blobdiff