X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Fshared%2Futil.h;h=09e556d0114b7da5756823727e767955fa37637a;hb=51d122af23533b0b8318911c4fc8b128ad8eafb7;hp=63f4e3dff2730db346979442061c4e9f48a299b5;hpb=df89481a35d4d7d58c7563f3082f67c218891375;p=elogind.git

diff --git a/src/shared/util.h b/src/shared/util.h
index 63f4e3dff..09e556d01 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -39,6 +39,7 @@
 #include <stddef.h>
 #include <unistd.h>
 #include <locale.h>
+#include <mntent.h>
 
 #include "macro.h"
 #include "time-util.h"
@@ -253,6 +254,7 @@ int make_null_stdio(void);
 int make_console_stdio(void);
 
 unsigned long long random_ull(void);
+unsigned random_u(void);
 
 /* For basic lookup tables with strictly enumerated entries */
 #define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope)                   \
@@ -403,6 +405,7 @@ static inline const char *ansi_highlight_off(void) {
 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(const char *path);
@@ -447,7 +450,7 @@ int terminal_vhangup(const char *name);
 
 int vt_disallocate(const char *name);
 
-int copy_file(const char *from, const char *to);
+int copy_file(const char *from, const char *to, int flags);
 
 int symlink_atomic(const char *from, const char *to);
 
@@ -577,6 +580,11 @@ static inline void umaskp(mode_t *u) {
         umask(*u);
 }
 
+static inline void endmntentp(FILE **f) {
+        if (*f)
+                endmntent(*f);
+}
+
 #define _cleanup_free_ _cleanup_(freep)
 #define _cleanup_fclose_ _cleanup_(fclosep)
 #define _cleanup_pclose_ _cleanup_(pclosep)
@@ -584,6 +592,7 @@ static inline void umaskp(mode_t *u) {
 #define _cleanup_closedir_ _cleanup_(closedirp)
 #define _cleanup_umask_ _cleanup_(umaskp)
 #define _cleanup_globfree_ _cleanup_(globfree)
+#define _cleanup_endmntent_ _cleanup_(endmntentp)
 
 _malloc_  _alloc_(1, 2) static inline void *malloc_multiply(size_t a, size_t b) {
         if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
@@ -763,3 +772,15 @@ bool id128_is_valid(const char *s) _pure_;
 void parse_user_at_host(char *arg, char **user, char **host);
 
 int split_pair(const char *s, const char *sep, char **l, char **r);
+
+/**
+ * Normal qsort requires base to be nonnull. Here were require
+ * that only if nmemb > 0.
+ */
+static inline void qsort_safe(void *base, size_t nmemb, size_t size,
+                              int (*compar)(const void *, const void *)) {
+        if (nmemb) {
+                assert(base);
+                qsort(base, nmemb, size, compar);
+        }
+}