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| author | Mikael Magnusson <mikachu@gmail.com> | 2015-01-06 01:01:08 +0100 |
|---|---|---|
| committer | Mikael Magnusson <mikachu@gmail.com> | 2015-01-06 23:45:26 +0100 |
| commit | 6b79f29fb230e839c97682f9c8648cac2762669e (patch) | |
| tree | 8b4fed3e376d8bec67cf691f5e2b580b11adb0b5 /Src | |
| parent | a150563fb049b338983156a5be4ff760a0d79c20 (diff) | |
| download | zsh-6b79f29fb230e839c97682f9c8648cac2762669e.tar.gz zsh-6b79f29fb230e839c97682f9c8648cac2762669e.tar.xz zsh-6b79f29fb230e839c97682f9c8648cac2762669e.zip | |
34118: Don't crash when writing out history if HOST is unset
Found by Coverity (Issue 1255793).
Diffstat (limited to 'Src')
| -rw-r--r-- | Src/hist.c | 3 |
1 files changed, 2 insertions, 1 deletions
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) { |