From 9dbcd150758624d09670e7e21bfab214d0d3c101 Mon Sep 17 00:00:00 2001
From: John Mark Bell <jmb@netsurf-browser.org>
Date: Wed, 18 Jun 2008 11:45:34 +0000
Subject: Allow strings to contain \0. This is probably incomplete, but works
 well enough for our purposes.

svn path=/trunk/json-c/; revision=4385
---
 json-c/json_object.c         | 36 ++++++++++++++++++++++++++++--------
 json-c/json_object.h         |  2 ++
 json-c/json_object_private.h |  2 +-
 json-c/json_tokener.c        |  2 +-
 4 files changed, 32 insertions(+), 10 deletions(-)

diff --git a/json-c/json_object.c b/json-c/json_object.c
index 228345f..ac17e19 100644
--- a/json-c/json_object.c
+++ b/json-c/json_object.c
@@ -306,7 +306,7 @@ boolean json_object_get_boolean(struct json_object *this)
   case json_type_double:
     return (this->o.c_double != 0);
   case json_type_string:
-    if(strlen(this->o.c_string)) return TRUE;
+    if(strlen(this->o.c_string.data)) return TRUE;
   default:
     return TRUE;
   }
@@ -343,7 +343,7 @@ int json_object_get_int(struct json_object *this)
   case json_type_boolean:
     return this->o.c_boolean;
   case json_type_string:
-    if(sscanf(this->o.c_string, "%d", &cint) == 1) return cint;
+    if(sscanf(this->o.c_string.data, "%d", &cint) == 1) return cint;
   default:
     return 0;
   }
@@ -380,7 +380,7 @@ double json_object_get_double(struct json_object *this)
   case json_type_boolean:
     return this->o.c_boolean;
   case json_type_string:
-    if(sscanf(this->o.c_string, "%lf", &cdouble) == 1) return cdouble;
+    if(sscanf(this->o.c_string.data, "%lf", &cdouble) == 1) return cdouble;
   default:
     return 0.0;
   }
@@ -393,14 +393,14 @@ static int json_object_string_to_json_string(struct json_object* this,
 					     struct printbuf *pb)
 {
   sprintbuf(pb, "\"");
-  json_escape_str(pb, this->o.c_string);
+  json_escape_str(pb, this->o.c_string.data);
   sprintbuf(pb, "\"");
   return 0;
 }
 
 static void json_object_string_delete(struct json_object* this)
 {
-  free(this->o.c_string);
+  free(this->o.c_string.data);
   json_object_generic_delete(this);
 }
 
@@ -410,7 +410,8 @@ struct json_object* json_object_new_string(char *s)
   if(!this) return NULL;
   this->_delete = &json_object_string_delete;
   this->_to_json_string = &json_object_string_to_json_string;
-  this->o.c_string = strdup(s);
+  this->o.c_string.data = strdup(s);
+  this->o.c_string.len = strlen(s);
   return this;
 }
 
@@ -420,7 +421,11 @@ struct json_object* json_object_new_string_len(char *s, int len)
   if(!this) return NULL;
   this->_delete = &json_object_string_delete;
   this->_to_json_string = &json_object_string_to_json_string;
-  this->o.c_string = strndup(s, len);
+  this->o.c_string.data = malloc(len + 1);
+  if (!this->o.c_string.data) return NULL;
+  memcpy(this->o.c_string.data, s, len);
+  this->o.c_string.data[len] = '\0';
+  this->o.c_string.len = len;
   return this;
 }
 
@@ -429,12 +434,27 @@ char* json_object_get_string(struct json_object *this)
   if(!this) return NULL;
   switch(this->o_type) {
   case json_type_string:
-    return this->o.c_string;
+    return this->o.c_string.data;
   default:
     return json_object_to_json_string(this);
   }
 }
 
+char* json_object_get_string_len(struct json_object *this, int *len)
+{
+  char *out;
+  if (!this) return NULL;
+  switch(this->o_type) {
+  case json_type_string:
+    *len = this->o.c_string.len;
+    return this->o.c_string.data;
+  default:
+    out = json_object_to_json_string(this);
+    *len = strlen(out);
+    return out;
+  }
+}
+
 
 /* json_object_array */
 
diff --git a/json-c/json_object.h b/json-c/json_object.h
index d4fc887..e9bb763 100644
--- a/json-c/json_object.h
+++ b/json-c/json_object.h
@@ -307,4 +307,6 @@ extern struct json_object* json_object_new_string_len(char *s, int len);
  */
 extern char* json_object_get_string(struct json_object *obj);
 
+extern char* json_object_get_string_len(struct json_object *obj, int *len);
+
 #endif
diff --git a/json-c/json_object_private.h b/json-c/json_object_private.h
index 35a44f3..3426a86 100644
--- a/json-c/json_object_private.h
+++ b/json-c/json_object_private.h
@@ -29,7 +29,7 @@ struct json_object
     int c_int;
     struct lh_table *c_object;
     struct array_list *c_array;
-    char *c_string;
+    struct { char *data; int len; } c_string;
   } o;
 };
 
diff --git a/json-c/json_tokener.c b/json-c/json_tokener.c
index d594569..336918a 100644
--- a/json-c/json_tokener.c
+++ b/json-c/json_tokener.c
@@ -318,7 +318,7 @@ struct json_object* json_tokener_parse_ex(struct json_tokener *tok,
 
     case json_tokener_state_string:
       if(c == tok->quote_char) {
-	current = json_object_new_string(tok->pb->buf);
+	current = json_object_new_string_len(tok->pb->buf, tok->pb->bpos);
 	saved_state = json_tokener_state_finish;
 	state = json_tokener_state_eatws;
       } else if(c == '\\') {
-- 
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