From 7e62a541e0b9944da9207e702c61871d58af2171 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@collectd.org>
Date: Wed, 2 Dec 2015 12:42:54 +0100
Subject: [PATCH] src/utils_format_json.c: Add support for libyajl < 2.

---
 src/utils_format_json.c      | 28 +++++++++++++++++++++++++---
 src/utils_format_json_test.c | 23 +++++++++++++++++++++--
 2 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/src/utils_format_json.c b/src/utils_format_json.c
index ed942301..63f03da3 100644
--- a/src/utils_format_json.c
+++ b/src/utils_format_json.c
@@ -33,7 +33,14 @@
 #include "utils_cache.h"
 
 #if HAVE_LIBYAJL
-#include <yajl/yajl_gen.h>
+# include <yajl/yajl_common.h>
+# include <yajl/yajl_gen.h>
+# if HAVE_YAJL_YAJL_VERSION_H
+#  include <yajl/yajl_version.h>
+# endif
+# if defined(YAJL_MAJOR) && (YAJL_MAJOR > 1)
+#  define HAVE_YAJL_V2 1
+# endif
 #endif
 
 static int json_escape_string (char *buffer, size_t buffer_size, /* {{{ */
@@ -655,18 +662,33 @@ int format_json_notification (char *buffer, size_t buffer_size, /* {{{ */
 {
   yajl_gen g;
   unsigned char const *out;
+#if HAVE_YAJL_V2
   size_t unused_out_len;
+#else
+  unsigned int unused_out_len;
+#endif
 
   if ((buffer == NULL) || (n == NULL))
     return EINVAL;
 
+#if HAVE_YAJL_V2
   g = yajl_gen_alloc (NULL);
   if (g == NULL)
     return -1;
-
-#if COLLECT_DEBUG
+# if COLLECT_DEBUG
   yajl_gen_config (g, yajl_gen_beautify);
   yajl_gen_config (g, yajl_gen_validate_utf8);
+# endif
+
+#else /* !HAVE_YAJL_V2 */
+  yajl_gen_config conf = { 0 };
+# if COLLECT_DEBUG
+  conf.beautify = 1;
+  conf.indentString = "  ";
+# endif
+  g = yajl_gen_alloc (&conf, NULL);
+  if (g == NULL)
+    return -1;
 #endif
 
   if (format_alert (g, n) != 0)
diff --git a/src/utils_format_json_test.c b/src/utils_format_json_test.c
index 6df62119..353ef01c 100644
--- a/src/utils_format_json_test.c
+++ b/src/utils_format_json_test.c
@@ -29,7 +29,14 @@
 #include "utils_format_json.h"
 #include "common.h" /* for STATIC_ARRAY_SIZE */
 
+#include <yajl/yajl_common.h>
 #include <yajl/yajl_parse.h>
+#if HAVE_YAJL_YAJL_VERSION_H
+# include <yajl/yajl_version.h>
+#endif
+#if defined(YAJL_MAJOR) && (YAJL_MAJOR > 1)
+# define HAVE_YAJL_V2 1
+#endif
 
 struct label_s
 {
@@ -47,7 +54,11 @@ struct test_case_s
 };
 typedef struct test_case_s test_case_t;
 
+#if HAVE_YAJL_V2
 static int test_map_key (void *ctx, unsigned char const *key, size_t key_len)
+#else
+static int test_map_key (void *ctx, unsigned char const *key, unsigned int key_len)
+#endif
 {
   test_case_t *c = ctx;
   size_t i;
@@ -81,7 +92,11 @@ static int expect_label (char const *name, char const *got, char const *want)
   return 0;
 }
 
+#if HAVE_YAJL_V2
 static int test_string (void *ctx, unsigned char const *value, size_t value_len)
+#else
+static int test_string (void *ctx, unsigned char const *value, unsigned int value_len)
+#endif
 {
   test_case_t *c = ctx;
 
@@ -116,7 +131,11 @@ static int expect_json_labels (char *json, label_t *labels, size_t labels_num)
   test_case_t c = { labels, labels_num, NULL };
 
   yajl_handle hndl;
-  CHECK_NOT_NULL (hndl = yajl_alloc (&funcs, NULL, &c));
+#if HAVE_YAJL_V2
+  CHECK_NOT_NULL (hndl = yajl_alloc (&funcs, /* alloc = */ NULL, &c));
+#else
+  CHECK_NOT_NULL (hndl = yajl_alloc (&funcs, /* config = */ NULL, /* alloc = */ NULL, &c));
+#endif
   OK (yajl_parse (hndl, (unsigned char *) json, strlen (json)) == yajl_status_ok);
 
   yajl_free (hndl);
@@ -134,7 +153,7 @@ DEF_TEST(notification)
   };
 
   /* 1448284606.125 ^= 1555083754651779072 */
-  notification_t n = { NOTIF_WARNING, 1555083754651779072, "this is a message",
+  notification_t n = { NOTIF_WARNING, 1555083754651779072ULL, "this is a message",
     "example.com", "unit", "", "test", "case", NULL };
 
   char got[1024];
-- 
2.11.0