-D_BSD_SOURCE=1

.travis.yml

@@ -9,8 +9,9 @@ matrix:
       env: CONFIGURE_OPTION='--enable-debug --enable-gcov --with-malloc=jemalloc' COVERALLS=yes VALGRIND=no DEBUG=yes
     - compiler: gcc
       env: CONFIGURE_OPTION='--enable-debug --enable-gcov' COVERALLS=yes VALGRIND=yes DEBUG=yes LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/
+    # -D_BSD_SOURCE=1 is for asprintf
     - compiler: clang
-      env: ASAN_OPTIONS=symbolize=1 ASAN_SYMBOLIZER_PATH=/usr/local/clang-3.4/bin/llvm-symbolizer CFLAGS='-fsanitize=address -g -O1'
+      env: ASAN_OPTIONS=symbolize=1 ASAN_SYMBOLIZER_PATH=/usr/local/clang-3.4/bin/llvm-symbolizer CFLAGS='-fsanitize=address -g -O1 -D_BSD_SOURCE=1'
 
 install:
   - sudo apt-get update -qq

src/node.c

@@ -624,7 +624,7 @@ node * r3_tree_insert_pathl_(node *tree, const char *path, int path_len, route *
         r3_edge_branch(e, prefix_len);
         return r3_tree_insert_pathl_(e->child, subpath, subpath_len, route , data, errstr);
     } else {
-        printf("unexpected route.");
+        fprintf(stderr, "unexpected route.");
         return NULL;
     }
     return n;