Fixed T_FIXNUM bug on 64bit architectures.

Author: flori

CHANGES

@@ -1,3 +1,6 @@
+2010-04-25 (1.4.1)
+  * Fix for a bug reported by Dan DeLeo <dan@kallistec.com>, caused by T_FIXNUM
+    being different on 32bit/64bit architectures.
 2010-04-23 (1.4.0)
   * Major speed improvements and building with simplified
     directory/file-structure.

VERSION

@@ -1 +1 @@
-1.4.0
+1.4.1

benchmarks/parser2_benchmark.rb

@@ -39,7 +39,7 @@ class Parser2BenchmarkExt < Bullshit::RepeatCase
   include Parser2BenchmarkCommon
 
   warmup      yes
-  iterations  500
+  iterations  2000
 
   truncate_data do
     enabled false
@@ -76,7 +76,7 @@ class Parser2BenchmarkPure < Bullshit::RepeatCase
   include Parser2BenchmarkCommon
 
   warmup      yes
-  iterations  100
+  iterations  400
 
   truncate_data do
     enabled false
@@ -111,7 +111,7 @@ def benchmark_parser_symbolic
 
 class Parser2BenchmarkYAML < Bullshit::RepeatCase
   warmup      yes
-  iterations  100
+  iterations  400
 
   truncate_data do
     enabled false
@@ -146,7 +146,7 @@ def generic_reset_method
 
 class Parser2BenchmarkRails < Bullshit::RepeatCase
   warmup      yes
-  iterations  100
+  iterations  400
 
   truncate_data do
     alpha_level 0.05
@@ -182,7 +182,7 @@ def generic_reset_method
 
 class Parser2BenchmarkYajl < Bullshit::RepeatCase
   warmup      yes
-  iterations  500
+  iterations  2000
 
   truncate_data do
     alpha_level 0.05

ext/json/ext/generator.c

@@ -367,10 +367,10 @@ static void freverse(char *start, char *end)
     }
 }
 
-static int fitoa(int number, char *buf)
+static int fltoa(long number, char *buf)
 {
 	static char digits[] = "0123456789";
-	int sign = number;
+	long sign = number;
 	char* tmp = buf;
 
 	if (sign < 0) number = -number;
@@ -380,10 +380,10 @@ static int fitoa(int number, char *buf)
     return tmp - buf;
 }
 
-static void fbuffer_append_integer(FBuffer *fb, int number)
+static void fbuffer_append_long(FBuffer *fb, long number)
 {
-    char buf[12];
-    int len = fitoa(number, buf);
+    char buf[20];
+    int len = fltoa(number, buf);
     fbuffer_append(fb, buf, len);
 }
 
@@ -841,7 +841,7 @@ static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *s
             fbuffer_append(buffer, "true", 4);
             break;
         case T_FIXNUM:
-            fbuffer_append_integer(buffer, FIX2INT(obj));
+            fbuffer_append_long(buffer, FIX2LONG(obj));
             break;
         case T_BIGNUM:
             tmp = rb_funcall(obj, i_to_s, 0);

ext/json/ext/generator.h

@@ -70,7 +70,7 @@ static void fbuffer_free(FBuffer *fb);
 static void fbuffer_free_only_buffer(FBuffer *fb);
 static void fbuffer_clear(FBuffer *fb);
 static void fbuffer_append(FBuffer *fb, const char *newstr, unsigned int len);
-static void fbuffer_append_integer(FBuffer *fb, int number);
+static void fbuffer_append_long(FBuffer *fb, long number);
 static void fbuffer_append_char(FBuffer *fb, char newchr);
 static FBuffer *fbuffer_dup(FBuffer *fb);
 

lib/json/version.rb

@@ -1,6 +1,6 @@
 module JSON
   # JSON version
-  VERSION         = '1.4.0'
+  VERSION         = '1.4.1'
   VERSION_ARRAY   = VERSION.split(/\./).map { |x| x.to_i } # :nodoc:
   VERSION_MAJOR   = VERSION_ARRAY[0] # :nodoc:
   VERSION_MINOR   = VERSION_ARRAY[1] # :nodoc:

tests/test_json.rb

@@ -324,4 +324,17 @@ def test_load_dump
     JSON.dump(eval(too_deep), output, 20)
     assert_equal too_deep, output.string
   end
+
+  def test_big_integers
+    json1 = JSON([orig = (1 << 31) - 1])
+    assert_equal orig, JSON[json1][0]
+    json2 = JSON([orig = 1 << 31])
+    assert_equal orig, JSON[json2][0]
+    json3 = JSON([orig = (1 << 62) - 1])
+    assert_equal orig, JSON[json3][0]
+    json4 = JSON([orig = 1 << 62])
+    assert_equal orig, JSON[json4][0]
+    json5 = JSON([orig = 1 << 64])
+    assert_equal orig, JSON[json5][0]
+  end
 end