utils: show help blurb when run without any arguments

[elogind.git] / src / util.h

diff --git a/src/util.h b/src/util.h
index f3aec1d43a3611529c373ac38ef02bf4d89ba541..241031242121c21f46232c375269c248dd431e78 100644 (file)
--- a/src/util.h
+++ b/src/util.h
@@ -30,6 +30,8 @@
 #include <stdio.h>
 #include <signal.h>
 
+#include "macro.h"
+
 typedef uint64_t usec_t;
 
 typedef struct timestamp {
@@ -113,6 +115,16 @@ int parse_pid(const char *s, pid_t* ret_pid);
 int safe_atou(const char *s, unsigned *ret_u);
 int safe_atoi(const char *s, int *ret_i);
 
+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_u) {
+        assert_cc(sizeof(int32_t) == sizeof(int));
+        return safe_atoi(s, (int*) ret_u);
+}
+
 int safe_atolu(const char *s, unsigned long *ret_u);
 int safe_atoli(const char *s, long int *ret_i);
 
@@ -160,9 +172,12 @@ char *delete_chars(char *s, const char *bad);
 char *truncate_nl(char *s);
 
 char *file_in_same_dir(const char *path, const char *filename);
+int safe_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid);
 int mkdir_parents(const char *path, mode_t mode);
 int mkdir_p(const char *path, mode_t mode);
 
+int rmdir_parents(const char *path, const char *stop);
+
 int get_process_name(pid_t pid, char **name);
 
 char hexchar(int x);
@@ -246,7 +261,8 @@ int sigaction_many(const struct sigaction *sa, ...);
 
 int close_pipe(int p[]);
 
-ssize_t loop_read(int fd, void *buf, size_t nbytes);
+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 path_is_mount_point(const char *path);
 
@@ -258,6 +274,15 @@ void rename_process(const char name[8]);
 
 void sigset_add_many(sigset_t *ss, ...);
 
+char* gethostname_malloc(void);
+char* getlogname_malloc(void);
+int getttyname_malloc(char **r);
+int getmachineid_malloc(char **r);
+
+int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
+
+int rm_rf(const char *path, bool only_dirs, bool delete_root);
+
 const char *ioprio_class_to_string(int i);
 int ioprio_class_from_string(const char *s);