move locale change to be global for perf

json_tokener.c

@@ -31,6 +31,10 @@
 #include "json_tokener.h"
 #include "json_util.h"
 
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif /* HAVE_LOCALE_H */
+
 #if !HAVE_STRDUP && defined(_MSC_VER)
   /* MSC has the version as _strdup */
 # define strdup _strdup
@@ -227,6 +231,13 @@ struct json_object* json_tokener_parse_ex(struct json_tokener *tok,
 {
   struct json_object *obj = NULL;
   char c = '\1';
+#ifdef HAVE_SETLOCALE
+  char *oldlocale=NULL, *tmplocale;
+
+  tmplocale = setlocale(LC_NUMERIC, NULL);
+  if (tmplocale) oldlocale = strdup(tmplocale);
+  setlocale(LC_NUMERIC, "C");
+#endif
 
   tok->char_offset = 0;
   tok->err = json_tokener_success;
@@ -724,6 +735,11 @@ struct json_object* json_tokener_parse_ex(struct json_tokener *tok,
       tok->err = json_tokener_error_parse_eof;
   }
 
+#ifdef HAVE_SETLOCALE
+  setlocale(LC_NUMERIC, oldlocale);
+  if (oldlocale) free(oldlocale);
+#endif
+
   if (tok->err == json_tokener_success) 
   {
     json_object *ret = json_object_get(current);

json_util.c

@@ -36,10 +36,6 @@
 # include <unistd.h>
 #endif /* HAVE_UNISTD_H */
 
-#ifdef HAVE_LOCALE_H
-#include <locale.h>
-#endif /* HAVE_LOCALE_H */
-
 #ifdef WIN32
 # define WIN32_LEAN_AND_MEAN
 # include <windows.h>
@@ -148,23 +144,7 @@ int json_object_to_file(char *filename, struct json_object *obj)
 
 int json_parse_double(const char *buf, double *retval)
 {
-	int ret;
-#ifdef HAVE_SETLOCALE
-	char *old=NULL, *tmp;
-
-	tmp = setlocale(LC_NUMERIC, NULL);
-	if (tmp) old = strdup(tmp);
-	setlocale(LC_NUMERIC, "C");
-#endif
-
-	ret = sscanf(buf, "%lf", retval);
-
-#ifdef HAVE_SETLOCALE
-	setlocale(LC_NUMERIC, old);
-	if (old) free(old);
-#endif
-
-	return (ret==1 ? 0 : 1);
+  return (sscanf(buf, "%lf", retval)==1 ? 0 : 1);
 }
 
 int json_parse_int64(const char *buf, int64_t *retval)

tests/Makefile.am

@@ -11,6 +11,7 @@ check_PROGRAMS += test_parse_int64
 check_PROGRAMS += test_null
 check_PROGRAMS += test_cast
 check_PROGRAMS += test_parse
+check_PROGRAMS += test_locale
 
 test1_LDADD = $(LIBJSON_LA)
 
@@ -36,6 +37,8 @@ test_cast_LDADD = $(LIBJSON_LA)
 
 test_parse_LDADD = $(LIBJSON_LA)
 
+test_locale_LDADD = $(LIBJSON_LA)
+
 TESTS = test1.test test2.test test4.test testReplaceExisting.test parse_int64.test test_null.test test_cast.test test_parse.test
 
 TESTS+= test_printbuf.test

tests/test_locale.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <assert.h>
+
+#include "config.h"
+#include "json.h"
+#include "json_tokener.h"
+
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif /* HAVE_LOCALE_H */
+
+int main(int argc, char **argv)
+{
+	json_object *new_obj;
+#ifdef HAVE_SETLOCALE
+	setlocale(LC_NUMERIC, "de_DE");
+#else
+	printf("No locale\n");
+#endif
+
+	MC_SET_DEBUG(1);
+
+	new_obj = json_tokener_parse("[1.2,3.4,123456.78,5.0]");
+	printf("new_obj.to_string()=%s\n", json_object_to_json_string(new_obj));
+	json_object_put(new_obj);
+}
+