-static inline const char* strempty(const char *s) {
- return s ? s : "";
-}
-
-static inline const char* strnull(const char *s) {
- return s ? s : "(null)";
-}
-
-static inline const char *strna(const char *s) {
- return s ? s : "n/a";
-}
-
-static inline bool isempty(const char *p) {
- return !p || !p[0];
-}
-
-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 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_;
-char *endswith_no_case(const char *s, const char *postfix) _pure_;
-
-char *first_word(const char *s, const char *word) _pure_;
-
-int close_nointr(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_pid(const char *s, pid_t* ret_pid);
-int parse_uid(const char *s, uid_t* ret_uid);
-#define parse_gid(s, ret_gid) parse_uid(s, ret_gid)
-
-bool uid_is_valid(uid_t uid);
-#define gid_is_valid(gid) uid_is_valid(gid)
-
-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);
-
-int safe_atod(const char *s, double *ret_d);
-
-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);
-}
-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_i) {
- assert_cc(sizeof(int32_t) == sizeof(int));
- return safe_atoi(s, (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);
-}
-
-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);
-}
-
-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_SEPARATOR(word, length, s, separator, state) \
- _FOREACH_WORD(word, length, s, separator, false, state)
-
-#define FOREACH_WORD_QUOTED(word, length, s, state) \
- _FOREACH_WORD(word, length, s, WHITESPACE, true, state)
-
-#define _FOREACH_WORD(word, length, s, separator, quoted, state) \
- for ((state) = (s), (word) = split(&(state), &(length), (separator), (quoted)); (word); (word) = split(&(state), &(length), (separator), (quoted)))
-
-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);
-// UNNEEDED int readlink_value(const char *p, char **ret);
-int readlink_and_make_absolute(const char *p, char **r);
-// UNNEEDED int readlink_and_canonicalize(const char *p, char **r);
-
-char *strstrip(char *s);
-// UNNEEDED char *delete_chars(char *s, const char *bad);
-char *truncate_nl(char *s);
-
-char *file_in_same_dir(const char *path, const char *filename);
-
-// UNNEEDED int rmdir_parents(const char *path, const char *stop);
-
-char hexchar(int x) _const_;
-int unhexchar(char c) _const_;
-char octchar(int x) _const_;
-int unoctchar(char c) _const_;
-char decchar(int x) _const_;
-int undecchar(char c) _const_;
-char base32hexchar(int x) _const_;
-int unbase32hexchar(char c) _const_;
-char base64char(int x) _const_;
-int unbase64char(char c) _const_;
-
-char *cescape(const char *s);
-size_t cescape_char(char c, char *buf);
-
-typedef enum UnescapeFlags {
- UNESCAPE_RELAX = 1,
-} UnescapeFlags;
-
-int cunescape(const char *s, UnescapeFlags flags, char **ret);
-int cunescape_length(const char *s, size_t length, UnescapeFlags flags, char **ret);
-int cunescape_length_with_prefix(const char *s, size_t length, const char *prefix, UnescapeFlags flags, char **ret);
-
-char *xescape(const char *s, const char *bad);
-
-// UNNEEDED char *ascii_strlower(char *path);
-
-bool dirent_is_file(const struct dirent *de) _pure_;
-bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix) _pure_;
-
-bool hidden_file(const char *filename) _pure_;
-
-bool chars_intersect(const char *a, const char *b) _pure_;
-
-/* For basic lookup tables with strictly enumerated entries */
-#define _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(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]; \
- }
-
-ssize_t string_table_lookup(const char * const *table, size_t len, const char *key);
-
-#define _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,scope) \
- scope inline type name##_from_string(const char *s) { \
- return (type)string_table_lookup(name##_table, ELEMENTSOF(name##_table), s); \
- }
-
-#define _DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \
- _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,scope) \
- _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,scope) \
- 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)
-#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,static)
-#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,static)
-
-/* For string conversions where numbers are also acceptable */
-#define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max) \
- int name##_to_string_alloc(type i, char **str) { \
- char *s; \
- int r; \
- if (i < 0 || i > max) \
- return -ERANGE; \
- if (i < (type) ELEMENTSOF(name##_table)) { \
- s = strdup(name##_table[i]); \
- if (!s) \
- return log_oom(); \
- } else { \
- r = asprintf(&s, "%i", i); \
- if (r < 0) \
- return log_oom(); \
- } \
- *str = s; \
- return 0; \
- } \
- type name##_from_string(const char *s) { \
- type i; \
- unsigned u = 0; \
- assert(s); \
- for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \
- if (name##_table[i] && \
- streq(name##_table[i], s)) \
- return i; \
- if (safe_atou(s, &u) >= 0 && u <= max) \
- return (type) u; \
- return (type) -1; \
- } \
- struct __useless_struct_to_allow_trailing_semicolon__
-
-int fd_nonblock(int fd, bool nonblock);
-int fd_cloexec(int fd, bool cloexec);
-
-int close_all_fds(const int except[], unsigned n_except);
-
-// UNNEEDED bool fstype_is_network(const char *fstype);
-
-int flush_fd(int fd);
-
-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);
-int loop_read_exact(int fd, 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);
-
-// UNNEEDED int dir_is_empty(const char *path);
-// UNNEEDED char* dirname_malloc(const char *path);
-
-char* lookup_uid(uid_t uid);
-// UNNEEDED char* getlogname_malloc(void);
-// UNNEEDED char* getusername_malloc(void);
-
-int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
-// UNNEEDED int fchmod_and_fchown(int fd, mode_t mode, uid_t uid, gid_t gid);
-
-bool is_temporary_fs(const struct statfs *s) _pure_;
-int fd_is_temporary_fs(int fd);
-
-int pipe_eof(int fd);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(cpu_set_t*, CPU_FREE);
-#define _cleanup_cpu_free_ _cleanup_(CPU_FREEp)
-
-// UNNEEDED cpu_set_t* cpu_set_malloc(unsigned *ncpus);
-
-#define xsprintf(buf, fmt, ...) assert_se((size_t) snprintf(buf, ELEMENTSOF(buf), fmt, __VA_ARGS__) < ELEMENTSOF(buf))
-
-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_file(const char *path, bool parents, usec_t stamp, uid_t uid, gid_t gid, mode_t mode);
-int touch(const char *path);
-
-noreturn void freeze(void);
-
-bool null_or_empty(struct stat *st) _pure_;
-int null_or_empty_path(const char *fn);
-// UNNEEDED int null_or_empty_fd(int fd);
-
-DIR *xopendirat(int dirfd, const char *name, int flags);
-
-// UNNEEDED char *fstab_node_to_udev_node(const char *p);
-