From 60660ec79c169ee93e3fb46a1374b2df877ac175 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Wed, 5 Mar 2003 08:19:10 +0000 Subject: [PATCH] comments --- lib/getcwd.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/lib/getcwd.c b/lib/getcwd.c index 2b1d713ff2..b418a76f7e 100644 --- a/lib/getcwd.c +++ b/lib/getcwd.c @@ -44,11 +44,14 @@ extern int errno; #define MAX_SAFE_LEN (PATH_MAX - 1 - KLUDGE_POSIX_NAME_MAX - 1) /* This is a wrapper for getcwd. - Some implementations (at least GNU libc 2.3.1) return non-NULL - for a working directory name longer than PATH_MAX, yet the returned - string is a strict prefix of the desired directory name. + Some implementations (at least GNU libc 2.3.1 + linux-2.4.20) return + non-NULL for a working directory name longer than PATH_MAX, yet the + returned string is a strict prefix of the desired directory name. Upon such a failure, free the offending string, set errno to - ENAMETOOLONG, and return NULL. */ + ENAMETOOLONG, and return NULL. + + I've heard that this is a Linux kernel bug, and that it has + been fixed between 2.4.21-pre3 and 2.4.21-pre4. */ char * rpl_getcwd (char *buf, size_t size) -- 2.47.3