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authorJim Meyering <jim@meyering.net>2005-03-29 07:18:58 +0000
committerJim Meyering <jim@meyering.net>2005-03-29 07:18:58 +0000
commit0f7921b86f73c49e82bbbc777a6f7e3df05bc2ab (patch)
tree2bb21e48036d1893b543be8f36a738a2f22cd3c0 /m4
parent5537c89eb72edf6b3fa8250859ddaf0c7826a04e (diff)
downloadcoreutils-0f7921b86f73c49e82bbbc777a6f7e3df05bc2ab.tar.xz
Return success on systems such as cygwin
where no absolute path name can be longer than PATH_MAX.
Diffstat (limited to 'm4')
-rw-r--r--m4/getcwd-path-max.m414
1 files changed, 9 insertions, 5 deletions
diff --git a/m4/getcwd-path-max.m4 b/m4/getcwd-path-max.m4
index 1c22234ac..d632c4239 100644
--- a/m4/getcwd-path-max.m4
+++ b/m4/getcwd-path-max.m4
@@ -1,4 +1,4 @@
-#serial 7
+#serial 8
# Check for several getcwd bugs with long paths.
# If so, arrange to compile the wrapper function.
@@ -6,7 +6,7 @@
# I've heard that this is due to a Linux kernel bug, and that it has
# been fixed between 2.4.21-pre3 and 2.4.21-pre4. */
-# Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@@ -98,11 +98,15 @@ main (void)
char *c = NULL;
cwd_len += DIR_NAME_SIZE;
- /* If mkdir or chdir fails, be pessimistic and consider that
- as a failure, too. */
+ /* If mkdir or chdir fails, it could be that this system cannot create
+ any file with an absolute name longer than PATH_MAX, such as cygwin.
+ If so, leave fail as 0, because the current working directory can't
+ be too long for getcwd if it can't even be created. For other
+ errors, be pessimistic and consider that as a failure, too. */
if (mkdir (DIR_NAME, S_IRWXU) < 0 || chdir (DIR_NAME) < 0)
{
- fail = 2;
+ if (! (errno == ERANGE || is_ENAMETOOLONG (errno)))
+ fail = 2;
break;
}