globerr: do not abort globbing on broken symlink

Fixes #251

config.c

@@ -839,9 +839,19 @@ static int globerr(const char *pathname, int theerr)
 {
     (void) pathname;
 
-    /* A missing directory is not an error, so return 0 */
-    if (theerr == ENOTDIR)
-        return 0;
+    /* prevent glob() from being aborted in certain cases */
+    switch (theerr) {
+        case ENOTDIR:
+            /* non-directory where directory was expected by the glob */
+            return 0;
+
+        case ENOENT:
+            /* most likely symlink with non-existent target */
+            return 0;
+
+        default:
+            break;
+    }
 
     glob_errno = theerr;
 

test/Makefile.am

@@ -82,6 +82,7 @@ TEST_CASES = \
 	test-0081.sh \
 	test-0082.sh \
 	test-0083.sh \
+	test-0084.sh \
 	test-0100.sh \
 	test-0101.sh
 

test/test-0084.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+. ./test-common.sh
+
+cleanup 84
+
+# ------------------------------- Test 84 ------------------------------------
+preptest test.log 84 1
+
+mkdir -p log/dir
+ln -s XXX log/sym
+touch log/dir/file
+
+$RLR test-config.84 -v --force

test/test-config.84.in

@@ -0,0 +1,3 @@
+&DIR&/log/*/* {
+    rotate 1
+}