core: add "invocation ID" concept to service manager

[elogind.git] / src / basic / errno-list.c

diff --git a/src/basic/errno-list.c b/src/basic/errno-list.c
index f7f33bb44ae72c4bfd9783c49765c4dae83ce0c6..c568629f7ba64cde19ae1e795ebb09a3795c8fd6 100644 (file)
--- a/src/basic/errno-list.c
+++ b/src/basic/errno-list.c
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 /***
   This file is part of systemd.
 
@@ -21,16 +19,14 @@
 
 #include <string.h>
 
-#include "config.h"
-#include "util.h"
 #include "errno-list.h"
+#include "macro.h"
 
 static const struct errno_name* lookup_errno(register const char *str,
                                              register GPERF_LEN_TYPE len);
 
-
-#include "errno-to-name.h"
 #include "errno-from-name.h"
+#include "errno-to-name.h"
 
 const char *errno_to_name(int id) {
 
@@ -50,13 +46,13 @@ int errno_from_name(const char *name) {
 
         sc = lookup_errno(name, strlen(name));
         if (!sc)
-                return 0;
+                return -EINVAL;
 
+        assert(sc->id > 0);
         return sc->id;
 }
 
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
 int errno_max(void) {
         return ELEMENTSOF(errno_names);
 }