shared: introduce cmsg_close_all() call

[elogind.git] / src / shared / util.c

diff --git a/src/shared/util.c b/src/shared/util.c
index c53f9cdb6acb1c3cd055bd7698d18b03a97c7082..dc6528013bb0a7fded44e17a9e84e3eb5473b9f8 100644 (file)
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -25,6 +25,8 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <signal.h>
+#include <libintl.h>
+#include <locale.h>
 #include <stdio.h>
 #include <syslog.h>
 #include <sched.h>
@@ -39,7 +41,7 @@
 #include <linux/tiocl.h>
 #include <termios.h>
 #include <stdarg.h>
-#include <sys/poll.h>
+#include <poll.h>
 #include <ctype.h>
 #include <sys/prctl.h>
 #include <sys/utsname.h>
@@ -60,16 +62,21 @@
 #include <locale.h>
 #include <sys/personality.h>
 #include <sys/xattr.h>
-#include <libgen.h>
 #include <sys/statvfs.h>
 #include <sys/file.h>
 #include <linux/fs.h>
+
+/* When we include libgen.h because we need dirname() we immediately
+ * undefine basename() since libgen.h defines it as a macro to the XDG
+ * version which is really broken. */
+#include <libgen.h>
 #undef basename
 
 #ifdef HAVE_SYS_AUXV_H
 #include <sys/auxv.h>
 #endif
 
+#include "config.h"
 #include "macro.h"
 #include "util.h"
 #include "ioprio.h"
@@ -5778,6 +5785,11 @@ void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
         return NULL;
 }
 
+void init_gettext(void) {
+        setlocale(LC_ALL, "");
+        textdomain(GETTEXT_PACKAGE);
+}
+
 bool is_locale_utf8(void) {
         const char *set;
         static int cached_answer = -1;
@@ -8085,3 +8097,26 @@ int syslog_parse_priority(const char **p, int *priority, bool with_facility) {
         *p += k;
         return 1;
 }
+
+ssize_t string_table_lookup(const char * const *table, size_t len, const char *key) {
+        size_t i;
+
+        if (!key)
+                return -1;
+
+        for (i = 0; i < len; ++i)
+                if (streq_ptr(table[i], key))
+                        return (ssize_t)i;
+
+        return -1;
+}
+
+void cmsg_close_all(struct msghdr *mh) {
+        struct cmsghdr *cmsg;
+
+        assert(mh);
+
+        for (cmsg = CMSG_FIRSTHDR(mh); cmsg; cmsg = CMSG_NXTHDR(mh, cmsg))
+                if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS)
+                        close_many((int*) CMSG_DATA(cmsg), (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int));
+}