diff --git a/CMakeLists.txt b/CMakeLists.txt
index 24ddac5..bf6929f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,6 +67,7 @@ set(JSON_C_SOURCES
     ./linkhash.c
     ./printbuf.c
     ./random_seed.c
+    ./strerror_override.c
 )
 
 add_library(json-c
diff --git a/Makefile.am b/Makefile.am
index 8728ff0..cd32b4c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 EXTRA_DIST = README.md README.html README-WIN32.html 
 EXTRA_DIST += config.h.win32 json-c.vcproj json-c.vcxproj json-c.vcxproj.filters
-EXTRA_DIST += Doxyfile doc
+EXTRA_DIST += Doxyfile
 
 dist-hook:
 	test -d "$(distdir)/doc" || mkdir "$(distdir)/doc"
@@ -35,7 +35,8 @@ libjson_cinclude_HEADERS = \
 	strdup_compat.h \
 	vasprintf_compat.h \
 	printbuf.h \
-	random_seed.h
+	random_seed.h \
+	strerror_override.h
 
 libjson_c_la_LDFLAGS = -version-info 3:0:0 -no-undefined @JSON_BSYMBOLIC_LDFLAGS@
 
@@ -52,15 +53,46 @@ libjson_c_la_SOURCES = \
 	linkhash.c \
 	printbuf.c \
 	random_seed.c \
-	strerror_override.c
+	strerror_override.c \
+	strerror_override_private.h
+
+
+DISTCLEANFILES=
+DISTCLEANFILES+= \
+	config.h \
+	json-c-uninstalled.pc \
+	json-c.pc \
+	json_config.h
 
 distclean-local:
 	-rm -rf $(testsubdir)
-	-rm -rf config.h.in~ Makefile.in aclocal.m4 autom4te.cache/ config.guess config.sub depcomp install-sh ltmain.sh missing
-	-rm -f INSTALL test-driver tests/Makefile.in compile
 
-maintainer-clean-local:
-	-rm -rf configure
+JSON_CLEANFILES=
+JSON_CLEANFILES+= \
+	Makefile.in \
+	aclocal.m4 \
+	autom4te.cache/ \
+	compile \
+	config.guess \
+	config.h.in \
+	config.sub \
+	configure \
+	depcomp \
+	install-sh \
+	ltmain.sh \
+	missing \
+	test-driver \
+	tests/Makefile.in
+JSON_CLEANFILES+= \
+	libtool \
+	stamp-h1 \
+	stamp-h2
+
+# There's no built-in way to remove these after all the other
+# maintainer-clean steps happen, so do it explicitly here.
+really-clean:
+	$(MAKE) maintainer-clean
+	rm -rf ${JSON_CLEANFILES}
 
 uninstall-local:
 	rm -rf "$(DESTDIR)@includedir@/json-c"
diff --git a/json_object.c b/json_object.c
index 8c80426..a317123 100644
--- a/json_object.c
+++ b/json_object.c
@@ -31,13 +31,7 @@
 #include "json_util.h"
 #include "math_compat.h"
 #include "strdup_compat.h"
-
-#if !defined(HAVE_SNPRINTF) && defined(_MSC_VER)
-  /* MSC has the version as _snprintf */
-# define snprintf _snprintf
-#elif !defined(HAVE_SNPRINTF)
-# error You do not have snprintf on your system.
-#endif /* HAVE_SNPRINTF */
+#include "snprintf_compat.h"
 
 // Don't define this.  It's not thread-safe.
 /* #define REFCOUNT_DEBUG 1 */
@@ -635,6 +629,10 @@ int32_t json_object_get_int(const struct json_object *jso)
 		return INT32_MAX;
 	return (int32_t) cint64;
   case json_type_double:
+    if (jso->o.c_double <= INT32_MIN)
+      return INT32_MIN;
+    if (jso->o.c_double >= INT32_MAX)
+      return INT32_MAX;
     return (int32_t)jso->o.c_double;
   case json_type_boolean:
     return jso->o.c_boolean;
diff --git a/json_util.c b/json_util.c
index 3a717b7..2121150 100644
--- a/json_util.c
+++ b/json_util.c
@@ -48,12 +48,7 @@
 # define open _open
 #endif
 
-#if !defined(HAVE_SNPRINTF) && defined(_MSC_VER)
-  /* MSC has the version as _snprintf */
-# define snprintf _snprintf
-#elif !defined(HAVE_SNPRINTF)
-# error You do not have snprintf on your system.
-#endif /* HAVE_SNPRINTF */
+#include "snprintf_compat.h"
 
 #include "debug.h"
 #include "printbuf.h"
@@ -195,7 +190,9 @@ int json_object_to_file(const char *filename, struct json_object *obj)
 
 int json_parse_double(const char *buf, double *retval)
 {
-  return (sscanf(buf, "%lf", retval)==1 ? 0 : 1);
+  char *end;
+  *retval = strtod(buf, &end);
+  return end == buf ? 1 : 0;
 }
 
 /*
diff --git a/printbuf.c b/printbuf.c
index 2745339..6c77b5d 100644
--- a/printbuf.c
+++ b/printbuf.c
@@ -27,6 +27,7 @@
 
 #include "debug.h"
 #include "printbuf.h"
+#include "snprintf_compat.h"
 #include "vasprintf_compat.h"
 
 static int printbuf_extend(struct printbuf *p, int min_size);
diff --git a/snprintf_compat.h b/snprintf_compat.h
new file mode 100644
index 0000000..7323aaa
--- /dev/null
+++ b/snprintf_compat.h
@@ -0,0 +1,36 @@
+#ifndef __snprintf_compat_h
+#define __snprintf_compat_h
+
+/*
+ * Microsoft's _vsnprintf and _snprint don't always terminate
+ * the string, so use wrappers that ensure that.
+ */
+
+#include <stdarg.h>
+
+#if !defined(HAVE_SNPRINTF) && defined(_MSC_VER)
+static int json_c_vsnprintf(char *str, size_t size, const char *format, va_list ap)
+{
+	int ret;
+	ret = _vsnprintf(str, size, format, ap);
+	str[size - 1] = '\0';
+	return ret;
+}
+#define vsnprintf json_c_vsnprintf
+
+static int json_c_snprintf(char *str, size_t size, const char *format, ...)
+{
+	va_list ap;
+	int ret;
+	va_start(ap, format);
+	ret = json_c_vsnprintf(str, size, format, ap);
+	va_end(ap);
+	return ret;
+}
+#define snprintf json_c_snprintf
+
+#elif !defined(HAVE_SNPRINTF) /* !HAVE_SNPRINTF */
+# error Need vsnprintf!
+#endif /* !HAVE_SNPRINTF && defined(WIN32) */
+
+#endif /* __snprintf_compat_h */
diff --git a/tests/test_locale.c b/tests/test_locale.c
index a3e319d..7d6541a 100644
--- a/tests/test_locale.c
+++ b/tests/test_locale.c
@@ -7,6 +7,7 @@
 #include "config.h"
 #include "json.h"
 #include "json_tokener.h"
+#include "snprintf_compat.h"
 
 #ifdef HAVE_LOCALE_H
 #include <locale.h>
diff --git a/vasprintf_compat.h b/vasprintf_compat.h
index 51e234b..40ff550 100644
--- a/vasprintf_compat.h
+++ b/vasprintf_compat.h
@@ -1,11 +1,7 @@
 #ifndef __vasprintf_compat_h
 #define __vasprintf_compat_h
 
-#if !defined(HAVE_VSNPRINTF) && defined(_MSC_VER)
-# define vsnprintf _vsnprintf
-#elif !defined(HAVE_VSNPRINTF) /* !HAVE_VSNPRINTF */
-# error Need vsnprintf!
-#endif /* !HAVE_VSNPRINTF && defined(WIN32) */
+#include "snprintf_compat.h"
 
 #if !defined(HAVE_VASPRINTF)
 /* CAW: compliant version of vasprintf */