[mpich-commits] r10650 - mpich2/trunk/src/pm/util

[gropp at mcs.anl.gov]

Author: gropp
Date: 2012-11-21 11:29:17 -0600 (Wed, 21 Nov 2012)
New Revision: 10650

Modified:
   mpich2/trunk/src/pm/util/pmiserv.c
Log:
Fix error in computing read buffer size

Modified: mpich2/trunk/src/pm/util/pmiserv.c
===================================================================
--- mpich2/trunk/src/pm/util/pmiserv.c	2012-11-20 23:10:55 UTC (rev 10649)
+++ mpich2/trunk/src/pm/util/pmiserv.c	2012-11-21 17:29:17 UTC (rev 10650)
@@ -1388,7 +1388,10 @@
     while (curlen < maxlen) {
 	if (nextChar == endChar) {
 	    do {
-		n = read( fd, readbuf, sizeof(readbuf)-1 );
+                /* Carefully read data into buffer.  This could be
+                   written to read more at one time, but would then
+                   need to know the size of the readbuf */
+		n = read( fd, readbuf, 1 );
 	    } while (n == -1 && errno == EINTR);
 	    if (n == 0) {
 		/* EOF */