From 19c75aec6843b827fa7ef3f39174090ee7f8ac18 Mon Sep 17 00:00:00 2001 From: Peter Stephenson Date: Thu, 22 Jan 2015 20:20:15 +0000 Subject: [PATCH] 34331: better handling of NULL in cd. Problem was return from symbolic link expander in weird cases where there file system isn't behaving itself properly. Upstream-commit: 12b813b5895cae579e403dafe43878868f27fe0f Signed-off-by: Kamil Dudka --- Src/builtin.c | 8 +++++--- Src/utils.c | 11 +++++++---- 2 files changed, 12 insertions(+), 7 deletions(-) diff --git a/Src/builtin.c b/Src/builtin.c index 2118835..489ca23 100644 --- a/Src/builtin.c +++ b/Src/builtin.c @@ -1156,9 +1156,11 @@ cd_new_pwd(int func, LinkNode dir, int quiet) zsfree(getlinknode(dirstack)); if (chasinglinks) { - s = new_pwd; - new_pwd = findpwd(s); - zsfree(s); + s = findpwd(new_pwd); + if (s) { + zsfree(new_pwd); + new_pwd = s; + } } if (isset(PUSHDIGNOREDUPS)) { LinkNode n; diff --git a/Src/utils.c b/Src/utils.c index e6eb8e6..80396a2 100644 --- a/Src/utils.c +++ b/Src/utils.c @@ -1049,10 +1049,13 @@ getnameddir(char *name) if ((pw = getpwnam(name))) { char *dir = isset(CHASELINKS) ? xsymlink(pw->pw_dir) : ztrdup(pw->pw_dir); - adduserdir(name, dir, ND_USERNAME, 1); - str = dupstring(dir); - zsfree(dir); - return str; + if (dir) { + adduserdir(name, dir, ND_USERNAME, 1); + str = dupstring(dir); + zsfree(dir); + return str; + } else + return ztrdup(pw->pw_dir); } } #endif /* HAVE_GETPWNAM */ -- 2.1.0