Merge pull request #57 from skalenetwork/SKALE-2298

Skale 2298 Added printf

oc_alloc.c

@@ -42,6 +42,15 @@ uint64_t oc_realloc (void *optr, size_t osz, size_t nsz)
 	return (uint64_t) nptr;
 }
 
+void oc_printf (const char *str) {
+
+    /* Proxy/Bridge will check the length and null-terminate
+     * the input string to prevent buffer overflow.
+     * */
+    fprintf(stderr, "***ENCLAVE_LOG***: %s", str);
+}
+
+
 void oc_free (void *ptr, size_t sz)
 {
 	free(ptr);

secure_enclave/secure_enclave.c

@@ -73,6 +73,7 @@ void free_function(void *, size_t);
 
 
 void tgmp_init() {
+    oc_printf("Initing tgmp library\n");
     oc_realloc_func = &reallocate_function;
     oc_free_func = &free_function;
 

secure_enclave/secure_enclave.edl

@@ -314,7 +314,7 @@ enclave {
 		include "gmp.h"
 
 		uint64_t oc_realloc([user_check] void *optr, size_t osz, size_t nsz);
-
+		void oc_printf([in, string] const char *str);
 		void oc_free([user_check] void *optr, size_t sz);
 	};
 };