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* environ.cc (set_winsymlinks): Handle "winsymlinks:nativestrict"

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option.  On pre-Vista warn the user if the "winsymlinks:native*" option
	is set.
	* globals.cc (enum winsym_t): Add WSYM_nativestrict.
	* path.cc (symlink_native): Don't create native symlink if target
	does not exist.  Explain why.  Improve comments.
	(symlink_worker): Change AFS symlink handling to WSYM_nativestrict.
	Handle WSYM_nativestrict throughout.  Change condition for bail out
	to wsym_type == WSYM_nativestrict.  Add comment.  Fix formatting.
	* shared_info.h (CURR_USER_MAGIC): Change to reflect change in
	class user_info.
	(class user_info): Add member warned_nonativesyms.
This commit is contained in:
Corinna Vinschen
2013-05-23 14:23:01 +00:00
parent 08fd0f6438
commit 33cb946e7e
5 changed files with 55 additions and 10 deletions
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19
winsup/cygwin/environ.cc
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@@ -97,9 +97,22 @@ set_winsymlinks (const char *buf)
else if (ascii_strncasematch (buf, "lnk", 3))
allow_winsymlinks = WSYM_lnk;
/* Make sure to try native symlinks only on systems supporting them. */
else if (ascii_strncasematch (buf, "native", 6)
&& wincap.max_sys_priv () >= SE_CREATE_SYMBOLIC_LINK_PRIVILEGE)
allow_winsymlinks = WSYM_native;
else if (ascii_strncasematch (buf, "native", 6))
{
if (wincap.max_sys_priv () < SE_CREATE_SYMBOLIC_LINK_PRIVILEGE)
{
if (!user_shared->warned_nonativesyms)
{
small_printf ("\"winsymlinks:%s\" option detected in CYGWIN environment variable.\n"
"Native symlinks are not supported on Windows versions prior to\n"
"Windows Vista/Server 2008. This option will be ignored.\n", buf);
user_shared->warned_nonativesyms = 1;
}
}
else
allow_winsymlinks = ascii_strcasematch (buf + 6, "strict")
? WSYM_nativestrict : WSYM_native;
}
}
/* The structure below is used to set up an array which is used to