#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 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 !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);
+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);
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 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);
bool hostname_is_set(void);
+char* lookup_uid(uid_t uid);
char* gethostname_malloc(void);
char* getlogname_malloc(void);
char* getusername_malloc(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);
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 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)
return malloc(a * b);
}
+_alloc_(2, 3) static inline void *realloc_multiply(void *p, size_t a, size_t b) {
+ if (_unlikely_(b != 0 && a > ((size_t) -1) / b))
+ return NULL;
+
+ return realloc(p, a * b);
+}
+
_alloc_(2, 3) static inline void *memdup_multiply(const void *p, size_t a, size_t b) {
if (_unlikely_(b != 0 && a > ((size_t) -1) / b))
return NULL;
bool filename_is_safe(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.
(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_; \
+#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) \
char *tempfn_xxxxxx(const char *p);
char *tempfn_random(const char *p);
+
+bool is_localhost(const char *hostname);
+
+int take_password_lock(const char *root);
+
+int is_symlink(const char *path);
+
+int unquote_first_word(const char **p, char **ret);
+int unquote_many_words(const char **p, ...) _sentinel_;
+
+int free_and_strdup(char **p, const char *s);