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-rw-r--r--ChangeLog3
-rw-r--r--Src/hist.c3
2 files changed, 5 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 39599afd5..65c049868 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2015-01-06 Mikael Magnusson <mikachu@gmail.com>
+ * 34118: Src/hist.c: Don't crash when writing out history if
+ HOST is unset
+
* 34114: Src/builtin.c: emulate: Handle aborting from mixed
-L/-c correctly
diff --git a/Src/hist.c b/Src/hist.c
index a0061707c..8ff9eff82 100644
--- a/Src/hist.c
+++ b/Src/hist.c
@@ -2801,7 +2801,8 @@ lockhistfile(char *fn, int keep_trying)
#ifdef HAVE_LINK
# ifdef HAVE_SYMLINK
sprintf(pidbuf, "/pid-%ld/host-", (long)mypid);
- lnk = bicat(pidbuf, getsparam("HOST"));
+ lnk = getsparam("HOST");
+ lnk = bicat(pidbuf, lnk ? lnk : "");
/* We'll abuse fd as our success flag. */
while ((fd = symlink(lnk, lockfile)) < 0) {
if (errno != EEXIST) {