From 1ec2b5c096e4a7a47bff2f65fe3dce104a063dec Mon Sep 17 00:00:00 2001
From: Wayne Davison <wayned@users.sourceforge.net>
Date: Tue, 11 May 2004 21:45:36 +0000
Subject: Fix the potential for an infinite loop in lockhistfile() if the
 link() calls fails for some other reason than EEXIST.

---
 Src/hist.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Src/hist.c b/Src/hist.c
index 0e0c4be98..e0b0475fb 100644
--- a/Src/hist.c
+++ b/Src/hist.c
@@ -2139,11 +2139,13 @@ lockhistfile(char *fn, int keep_trying)
 	    write(fd, tmpfile+len+1, strlen(tmpfile+len+1));
 	    close(fd);
 	    while (link(tmpfile, lockfile) < 0) {
-		if (stat(lockfile, &sb) < 0) {
+		if (errno != EEXIST || !keep_trying)
+		    ;
+		else if (stat(lockfile, &sb) < 0) {
 		    if (errno == ENOENT)
 			continue;
 		}
-		else if (keep_trying) {
+		else {
 		    if (time(NULL) - sb.st_mtime < 10)
 			sleep(1);
 		    else
-- 
cgit 1.4.1