Changes float print format, removes array/object capacity limit, doesn't accept inf/nan numbers.

parson.c

@@ -39,11 +39,9 @@
  * don't have to. */
 #define sscanf THINK_TWICE_ABOUT_USING_SSCANF
 
-#define STARTING_CAPACITY         15
-#define ARRAY_MAX_CAPACITY    122880 /* 15*(2^13) */
-#define OBJECT_MAX_CAPACITY      960 /* 15*(2^6)  */
-#define MAX_NESTING             2048
-#define DOUBLE_SERIALIZATION_FORMAT "%f"
+#define STARTING_CAPACITY 16
+#define MAX_NESTING       2048
+#define FLOAT_FORMAT      "%1.17g"
 
 #define SIZEOF_TOKEN(a)       (sizeof(a) - 1)
 #define SKIP_CHAR(str)        ((*str)++)
@@ -354,9 +352,6 @@ static JSON_Status json_object_add(JSON_Object *object, const char *name, JSON_V
     }
     if (object->count >= object->capacity) {
         size_t new_capacity = MAX(object->capacity * 2, STARTING_CAPACITY);
-        if (new_capacity > OBJECT_MAX_CAPACITY) {
-            return JSONFailure;
-        }
         if (json_object_resize(object, new_capacity) == JSONFailure) {
             return JSONFailure;
         }
@@ -443,9 +438,6 @@ static JSON_Array * json_array_init(JSON_Value *wrapping_value) {
 static JSON_Status json_array_add(JSON_Array *array, JSON_Value *value) {
     if (array->count >= array->capacity) {
         size_t new_capacity = MAX(array->capacity * 2, STARTING_CAPACITY);
-        if (new_capacity > ARRAY_MAX_CAPACITY) {
-            return JSONFailure;
-        }
         if (json_array_resize(array, new_capacity) == JSONFailure) {
             return JSONFailure;
         }
@@ -929,13 +921,7 @@ static int json_serialize_to_buffer_r(const JSON_Value *value, char *buf, int le
             if (buf != NULL) {
                 num_buf = buf;
             }
-            if (num == ((double)(int)num)) { /*  check if num is integer */
-                written = sprintf(num_buf, "%d", (int)num);
-	    } else if (num == ((double)(unsigned int)num)) {
-                written = sprintf(num_buf, "%u", (unsigned int)num);
-            } else {
-                written = sprintf(num_buf, DOUBLE_SERIALIZATION_FORMAT, num);
-            }
+            written = sprintf(num_buf, FLOAT_FORMAT, num);
             if (written < 0) {
                 return -1;
             }
@@ -1315,8 +1301,12 @@ JSON_Value * json_value_init_string(const char *string) {
 }
 
 JSON_Value * json_value_init_number(double number) {
-    JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
-    if (!new_value) {
+    JSON_Value *new_value = NULL;
+    if ((number * 0.0) != 0.0) { /* nan and inf test */
+        return NULL;
+    }
+    new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
+    if (new_value == NULL) {
         return NULL;
     }
     new_value->parent = NULL;

tests.c

@@ -436,6 +436,10 @@ void test_suite_5(void) {
     TEST(json_value_equals(remove_test_val, json_parse_string("[2, 4, 5]")));
     json_array_remove(remove_test_arr, 2);
     TEST(json_value_equals(remove_test_val, json_parse_string("[2, 4]")));
+
+    /* Testing nan and inf */
+    TEST(json_object_set_number(obj, "num", 0.0 / 0.0) == JSONFailure);
+    TEST(json_object_set_number(obj, "num", 1.0 / 0.0) == JSONFailure);
 }
 
 void test_suite_6(void) {
@@ -505,28 +509,29 @@ void test_suite_9(void) {
     TEST((strlen(serialized)+1) == serialization_size);
 
     file_contents = read_file(filename);
+
     TEST(STREQ(file_contents, serialized));
 }
 
 void test_suite_10(void) {
-    JSON_Value *val1;
+    JSON_Value *val;
     char *serialized;
 
     malloc_count = 0;
 
-    val1 = json_parse_file("tests/test_1_1.txt");
-    json_value_free(val1);
+    val = json_parse_file("tests/test_1_1.txt");
+    json_value_free(val);
 
-    val1 = json_parse_file("tests/test_1_3.txt");
-    json_value_free(val1);
+    val = json_parse_file("tests/test_1_3.txt");
+    json_value_free(val);
 
-    val1 = json_parse_file("tests/test_2.txt");
-    serialized = json_serialize_to_string_pretty(val1);
+    val = json_parse_file("tests/test_2.txt");
+    serialized = json_serialize_to_string_pretty(val);
     json_free_serialized_string(serialized);
-    json_value_free(val1);
+    json_value_free(val);
 
-    val1 = json_parse_file("tests/test_2_pretty.txt");
-    json_value_free(val1);
+    val = json_parse_file("tests/test_2_pretty.txt");
+    json_value_free(val);
 
     TEST(malloc_count == 0);
 }

tests/test_2.txt

@@ -7,6 +7,8 @@
     "negative one" : -1,
     "pi" : 3.14,
     "hard to parse number" : -3.14e-4,
+    "big int": 2147483647,
+    "big uint": 4294967295,
     "boolean true" : true,
     "boolean false" : false,
     "null" : null,

tests/test_2_comments.txt

@@ -13,6 +13,8 @@
 	"negative one" : -1,
 	"pi" : 3.14,
 	"hard to parse number" : -3.14e-4,
+	"big int": 2147483647,
+    "big uint": 4294967295,
 	"boolean true" : true,
 	"boolean false" : false,
 	"null" : null,

tests/test_2_pretty.txt

@@ -5,8 +5,10 @@
     "surrogate string": "lorem𝄞ipsum𝍧lorem",
     "positive one": 1,
     "negative one": -1,
-    "pi": 3.140000,
-    "hard to parse number": -0.000314,
+    "pi": 3.1400000000000001,
+    "hard to parse number": -0.00031399999999999999,
+    "big int": 2147483647,
+    "big uint": 4294967295,
     "boolean true": true,
     "boolean false": false,
     "null": null,