/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-#ifndef fooutilhfoo
-#define fooutilhfoo
+#pragma once
/***
This file is part of systemd.
#include <signal.h>
#include <sched.h>
#include <limits.h>
+#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <sys/resource.h>
+#include <stddef.h>
#include "macro.h"
usec_t monotonic;
} dual_timestamp;
+union dirent_storage {
+ struct dirent de;
+ uint8_t storage[offsetof(struct dirent, d_name) +
+ ((NAME_MAX + 1 + sizeof(long)) & ~(sizeof(long) - 1))];
+};
+
#define MSEC_PER_SEC 1000ULL
#define USEC_PER_SEC 1000000ULL
#define USEC_PER_MSEC 1000ULL
#define QUOTES "\"\'"
#define COMMENTS "#;\n"
-#define FORMAT_TIMESTAMP_MAX 64
+#define FORMAT_TIMESTAMP_MAX (6+11+9+4+1)
#define FORMAT_TIMESTAMP_PRETTY_MAX 256
#define FORMAT_TIMESPAN_MAX 64
#define FORMAT_BYTES_MAX 8
#define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m"
#define ANSI_HIGHLIGHT_OFF "\x1B[0m"
+bool is_efiboot(void);
+
usec_t now(clockid_t clock);
dual_timestamp* dual_timestamp_get(dual_timestamp *ts);
bool streq_ptr(const char *a, const char *b);
-#define new(t, n) ((t*) malloc(sizeof(t)*(n)))
+#define new(t, n) ((t*) malloc_multiply(sizeof(t), (n)))
#define new0(t, n) ((t*) calloc((n), sizeof(t)))
#define newa(t, n) ((t*) alloca(sizeof(t)*(n)))
-#define newdup(t, p, n) ((t*) memdup(p, 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];
}
-bool endswith(const char *s, const char *postfix);
-bool startswith(const char *s, const char *prefix);
-bool startswith_no_case(const char *s, const char *prefix);
+char *endswith(const char *s, const char *postfix);
+char *startswith(const char *s, const char *prefix);
+char *startswith_no_case(const char *s, const char *prefix);
bool first_word(const char *s, const char *word);
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);
int get_process_uid(pid_t pid, uid_t *uid);
+int get_process_gid(pid_t pid, gid_t *gid);
char hexchar(int x);
int unhexchar(char c);
char *cescape(const char *s);
char *cunescape(const char *s);
char *cunescape_length(const char *s, size_t length);
+char *cunescape_length_with_prefix(const char *s, size_t length, const char *prefix);
char *xescape(const char *s, const char *bad);
unsigned long long random_ull(void);
+/* For basic lookup tables with strictly enumerated entries */
#define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \
scope const char *name##_to_string(type i) { \
if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \
} \
scope 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 < ELEMENTSOF(name##_table)) \
- return (type) u; \
return (type) -1; \
} \
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)
+/* 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, "%u", 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);
cpu_set_t* cpu_set_malloc(unsigned *ncpus);
-void status_vprintf(const char *status, bool ellipse, const char *format, va_list ap);
-void status_printf(const char *status, bool ellipse, const char *format, ...);
-void status_welcome(void);
+int status_vprintf(const char *status, bool ellipse, const char *format, va_list ap);
+int status_printf(const char *status, bool ellipse, const char *format, ...);
+int status_welcome(void);
int fd_columns(int fd);
unsigned columns(void);
-
int fd_lines(int fd);
unsigned lines(void);
+void columns_lines_cache_reset(int _unused_ signum);
+
+bool on_tty(void);
int running_in_chroot(void);
bool plymouth_running(void);
-void parse_syslog_priority(char **p, int *priority);
-void skip_syslog_pid(char **buf);
-void skip_syslog_date(char **buf);
-
bool hostname_is_valid(const char *s);
char* hostname_cleanup(char *s);
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 symlink_atomic(const char *from, const char *to);
int fchmod_umask(int fd, mode_t mode);
#define NULSTR_FOREACH_PAIR(i, j, l) \
for ((i) = (l), (j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i))
-const char *ioprio_class_to_string(int i);
+int ioprio_class_to_string_alloc(int i, char **s);
int ioprio_class_from_string(const char *s);
const char *sigchld_code_to_string(int i);
int sigchld_code_from_string(const char *s);
-const char *log_facility_unshifted_to_string(int i);
+int log_facility_unshifted_to_string_alloc(int i, char **s);
int log_facility_unshifted_from_string(const char *s);
-const char *log_level_to_string(int i);
+int log_level_to_string_alloc(int i, char **s);
int log_level_from_string(const char *s);
-const char *sched_policy_to_string(int i);
+int sched_policy_to_string_alloc(int i, char **s);
int sched_policy_from_string(const char *s);
const char *rlimit_to_string(int i);
int rlimit_from_string(const char *s);
-const char *ip_tos_to_string(int i);
+int ip_tos_to_string_alloc(int i, char **s);
int ip_tos_from_string(const char *s);
const char *signal_to_string(int i);
int fd_wait_for_event(int fd, int event, usec_t timeout);
-void* memdup(const void *p, size_t l);
+void* memdup(const void *p, size_t l) _malloc_;
int is_kernel_thread(pid_t pid);
int getenv_for_pid(pid_t pid, const char *field, char **_value);
int can_sleep(const char *type);
+int can_sleep_disk(const char *type);
bool is_valid_documentation_url(const char *url);
int get_shell(char **ret);
int get_home_dir(char **ret);
-#endif
+void freep(void *p);
+void fclosep(FILE **f);
+void closep(int *fd);
+void closedirp(DIR **d);
+void umaskp(mode_t *u);
+
+_malloc_ static inline void *malloc_multiply(size_t a, size_t b) {
+ if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
+ return NULL;
+
+ return malloc(a * b);
+}
+
+_malloc_ 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;
+
+ return memdup(p, a * b);
+}
+
+bool filename_is_safe(const char *p);
+bool string_is_safe(const char *p);
+
+int parse_timestamp(const char *t, usec_t *usec);
+
+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_BRANCH,
+ DRAW_TREE_RIGHT,
+ DRAW_TRIANGULAR_BULLET,
+ _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);