X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Futil.h;h=f726263dd329712012050c3884701779043aad6c;hp=89e9a00afcc34b0d3571c3a651a54be10d1b0b6e;hb=6524990fdc98370ecba5d9f73e67161e8798c010;hpb=f56d5db919902851535ac1591d5c95ebcd3a0b17

diff --git a/src/shared/util.h b/src/shared/util.h
index 89e9a00af..f726263dd 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -1,7 +1,6 @@
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
-#ifndef fooutilhfoo
-#define fooutilhfoo
+#pragma once
 
 /***
   This file is part of systemd.
@@ -32,9 +31,11 @@
 #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"
 
@@ -46,6 +47,12 @@ typedef struct dual_timestamp {
         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
@@ -72,7 +79,7 @@ typedef struct dual_timestamp {
 #define QUOTES "\"\'"
 #define COMMENTS "#;\n"
 
-#define FORMAT_TIMESTAMP_MAX 64
+#define FORMAT_TIMESTAMP_MAX (5+11+9+4+1)
 #define FORMAT_TIMESTAMP_PRETTY_MAX 256
 #define FORMAT_TIMESPAN_MAX 64
 #define FORMAT_BYTES_MAX 8
@@ -104,13 +111,13 @@ size_t page_size(void);
 
 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))
 
@@ -134,9 +141,9 @@ static inline bool isempty(const char *p) {
         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);
 
@@ -246,6 +253,7 @@ 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);
 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);
@@ -257,6 +265,7 @@ int undecchar(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);
 
@@ -278,6 +287,7 @@ char *format_timespan(char *buf, size_t l, usec_t t);
 
 int make_stdio(int fd);
 int make_null_stdio(void);
+int make_console_stdio(void);
 
 unsigned long long random_ull(void);
 
@@ -344,9 +354,11 @@ void rename_process(const char name[8]);
 
 void sigset_add_many(sigset_t *ss, ...);
 
-char* gethostname_malloc(void);
 bool hostname_is_set(void);
+
+char* gethostname_malloc(void);
 char* getlogname_malloc(void);
+char* getusername_malloc(void);
 
 int getttyname_malloc(int fd, char **r);
 int getttyname_harder(int fd, char **r);
@@ -366,15 +378,17 @@ int pipe_eof(int fd);
 
 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);
 
@@ -415,10 +429,6 @@ bool nulstr_contains(const char*nulstr, const char *needle);
 
 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);
 
@@ -430,15 +440,15 @@ int terminal_vhangup(const char *name);
 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);
 
 bool display_is_local(const char *display);
 int socket_from_display(const char *display, char **path);
 
-int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home);
+int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell);
 int get_group_creds(const char **groupname, gid_t *gid);
 
 int in_group(const char *name);
@@ -450,7 +460,7 @@ 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 *join(const char *x, ...) _sentinel_;
+char *strjoin(const char *x, ...) _sentinel_;
 
 bool is_main_thread(void);
 
@@ -505,7 +515,7 @@ char *format_bytes(char *buf, size_t l, off_t t);
 
 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);
 
@@ -519,6 +529,7 @@ int setrlimit_closest(int resource, const struct rlimit *rlim);
 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);
 
@@ -526,4 +537,34 @@ bool in_initrd(void);
 
 void warn_melody(void);
 
-#endif
+int get_shell(char **ret);
+int get_home_dir(char **ret);
+
+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);