From: Martin Vajnar <martin.vajnar@gmail.com>
Date: Sat, 2 May 2015 12:51:10 +0000 (+0200)
Subject: JORTE: add static asserts on values of platform-specific sizes
X-Git-Url: https://rtime.felk.cvut.cz/gitweb/orte.git/commitdiff_plain/8a9254f92ea7fc88d21328a9e27f50800f9161d5

JORTE: add static asserts on values of platform-specific sizes

If the sizes differ, die with error.
---

diff --git a/orte/libjorte/JORTERecvInfoHelpers.c b/orte/libjorte/JORTERecvInfoHelpers.c
index da68b48..c113d5f 100644
--- a/orte/libjorte/JORTERecvInfoHelpers.c
+++ b/orte/libjorte/JORTERecvInfoHelpers.c
@@ -2,6 +2,7 @@
 #include <stdint.h>
 #include <inttypes.h>
 #include <stddef.h>
+#include <assert.h>
 
 // library header file's path
 #include "orte_all.h"
@@ -21,6 +22,17 @@
 JNIEXPORT void JNICALL Java_org_ocera_orte_types_RecvInfo_c_1helper
   (JNIEnv *env, jclass cls, jobject b_buffer) {
 
+    _Static_assert(sizeof(char*) == 1 || \
+                   sizeof(char*) == 2 || \
+                   sizeof(char*) == 4 || \
+                   sizeof(char*) == 8, \
+                   "char* has incompatible size");
+    _Static_assert(sizeof(ORTERecvStatus) == 1 || \
+                   sizeof(ORTERecvStatus) == 2 || \
+                   sizeof(ORTERecvStatus) == 4 || \
+                   sizeof(ORTERecvStatus) == 8, \
+                   "ORTERecvStatus has incompatible size");
+
     int32_t* buffer = (*env)->GetDirectBufferAddress(env, b_buffer);
     
     buffer[0] = (int32_t)sizeof(ORTERecvInfo);