Report configuration file read errors.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@5638 7894878c-1315-0410-8ee3-d5d059ff63e0

CHANGES

@@ -9,6 +9,7 @@ SVN-HEAD
               Return a string rather than NULL for unknown errors
               Skip non-file sysfs entries for speed
               Fix memory leak in scanner when using flex 2.5.9 or later
+              Report configuration file read errors
   lm_sensors.init: Support new format of /etc/sysconfig/lm_sensors (#2246)
                    Drop support for kernels 2.4 and earlier
   lm_sensors.init.suse: Delete (actual SuSE script is much different)

lib/error.c

@@ -58,7 +58,10 @@ const char *sensors_strerror(int errnum)
 
 void sensors_default_parse_error(const char *err, int lineno)
 {
-	fprintf(stderr, "Error: Line %d: %s\n", lineno, err);
+	if (lineno)
+		fprintf(stderr, "Error: Line %d: %s\n", lineno, err);
+	else
+		fprintf(stderr, "Error: %s\n", err);
 }
 
 void sensors_default_fatal_error(const char *proc, const char *err)

lib/init.c

@@ -88,6 +88,9 @@ int sensors_init(FILE *input)
 				goto exit_cleanup;
 			}
 			fclose(input);
+		} else if (errno != ENOENT) {
+			sensors_parse_error(strerror(errno), 0);
+			goto exit_cleanup;
 		}
 	}