From b3abcbb52ee8b9a88a199bab3d291b99f5f12710 Mon Sep 17 00:00:00 2001
From: Andrew Johnson <anj@aps.anl.gov>
Date: Mon, 20 Oct 2008 15:35:10 +0000
Subject: [PATCH] Don't fail if epicsSnprintf returns less than the buffer size
 needed.

---
 src/libCom/test/epicsStdioTest.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libCom/test/epicsStdioTest.c b/src/libCom/test/epicsStdioTest.c
index 974b9683b..d72fe7d57 100644
--- a/src/libCom/test/epicsStdioTest.c
+++ b/src/libCom/test/epicsStdioTest.c
@@ -46,7 +46,9 @@ static void testEpicsSnprintf() {
     
     for (size = 1; size < strlen(expected) + 5; ++size) {
         rtn = epicsSnprintf(buffer, size, format, ivalue, fvalue, svalue);
-        testOk(rtn == rlen-1, "epicsSnprintf(size=%d) = %d", size, rtn);
+        testOk(rtn <= rlen-1, "epicsSnprintf(size=%d) = %d", size, rtn);
+        if (rtn != rlen-1)
+            testDiag("Return value does not indicate buffer size needed");
         testOk(strncmp(buffer, expected, size - 1) == 0,
             "buffer = '%s'", buffer);
         rtn = strlen(buffer);