X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=support%2Fnfs%2Fcacheio.c;h=9d271cd4733d77328a6f2b3e5ec8a80b5da8a73b;hb=9996ea948dd791066b190c5112d59b8e2ffcc9cc;hp=4df80a6f3efcf97e7be438e09b95a6f28669c045;hpb=e91ff0175602cc56f223f1d92de6511099fa40d1;p=nfs-utils.git

diff --git a/support/nfs/cacheio.c b/support/nfs/cacheio.c
index 4df80a6..9d271cd 100644
--- a/support/nfs/cacheio.c
+++ b/support/nfs/cacheio.c
@@ -17,6 +17,7 @@
 
 #include <nfslib.h>
 #include <stdio.h>
+#include <stdio_ext.h>
 #include <ctype.h>
 #include <unistd.h>
 #include <sys/types.h>
@@ -111,7 +112,18 @@ void qword_printint(FILE *f, int num)
 
 int qword_eol(FILE *f)
 {
+	int err;
+
 	fprintf(f,"\n");
+	err = fflush(f);
+	/*
+	 * We must send one line (and one line only) in a single write
+	 * call.  In case of a write error, libc may accumulate the
+	 * unwritten data and try to write it again later, resulting in a
+	 * multi-line write.  So we must explicitly ask it to throw away
+	 * any such cached data:
+	 */
+	__fpurge(f);
 	return fflush(f);
 }
 
@@ -256,6 +268,7 @@ cache_flush(int force)
 	 */
 	static char *cachelist[] = {
 		"auth.unix.ip",
+		"auth.unix.gid",
 		"nfsd.fh",
 		"nfsd.export",
 		NULL