1 files changed, 17 insertions, 3 deletions
diff --git a/configure.in b/configure.in
index 410f1af..711e19e 100644
--- a/configure.in
+++ b/configure.in
@@ -3352,14 +3352,28 @@ AC_TRY_RUN([#include <stdio.h>
 
 int main()
 {
-    char buffer[4];
+    char buffer[256];
+
+#ifdef HAVE_SSIZE_T
+typedef ssize_t Py_ssize_t;
+#elif SIZEOF_VOID_P == SIZEOF_LONG
+typedef long Py_ssize_t;
+#else
+typedef int Py_ssize_t;
+#endif
 
     if(sprintf(buffer, "%zd", (size_t)123) < 0)
        	return 1;
 
-    if (strncmp(buffer, "123", 3))
+    if (strcmp(buffer, "123"))
 	return 1;
-    
+
+    if (sprintf(buffer, "%zd", (Py_ssize_t)-123) < 0)
+       	return 1;
+
+    if (strcmp(buffer, "-123"))
+	return 1;
+
     return 0;
 }],
 [AC_MSG_RESULT(yes)