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* cygheap.cc (init_cygheap::init_installation_root): Create content of 

installation_dir as non-prefixed path, if possible.
This commit is contained in:
Corinna Vinschen 2014-10-29 10:40:47 +00:00
parent d5b68452aa
commit 5da7a22be0
2 changed files with 18 additions and 3 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
2014-10-29 Corinna Vinschen <corinna@vinschen.de>
* cygheap.cc (init_cygheap::init_installation_root): Create content of
installation_dir as non-prefixed path, if possible.
2014-10-29 Corinna Vinschen <corinna@vinschen.de>
* common.din (__cxa_atexit): Define as cygwin__cxa_atexit.

16
winsup/cygwin/cygheap.cc
View File

@ -130,7 +130,7 @@ init_cygheap::close_ctty ()
cygcheck can print the paths into which the Cygwin DLL has been
installed for debugging purposes.
Last but not least, the new cygwin properties datastrcuture is checked
Last but not least, the new cygwin properties datastructure is checked
for the "disabled_key" value, which is used to determine whether the
installation key is actually added to all object names or not. This is
used as a last resort for debugging purposes, usually. However, there
@ -140,6 +140,8 @@ init_cygheap::close_ctty ()
void
init_cygheap::init_installation_root ()
{
ptrdiff_t len = 0;
if (!GetModuleFileNameW (cygwin_hmodule, installation_root, PATH_MAX))
api_fatal ("Can't initialize Cygwin installation root dir.\n"
"GetModuleFileNameW(%p, %p, %u), %E",
@ -147,6 +149,7 @@ init_cygheap::init_installation_root ()
PWCHAR p = installation_root;
if (wcsncasecmp (p, L"\\\\", 2)) /* Normal drive letter path */
{
len = 4;
memmove (p + 4, p, PATH_MAX - 4);
p = wcpncpy (p, L"\\\\?\\", 4);
}
@ -155,6 +158,7 @@ init_cygheap::init_installation_root ()
bool unc = false;
if (wcsncmp (p + 2, L"?\\", 2)) /* No long path prefix, so UNC path. */
{
len = 6;
memmove (p + 6, p, PATH_MAX - 6);
p = wcpncpy (p, L"\\??\\UN", 6);
*p = L'C';
@ -189,9 +193,15 @@ init_cygheap::init_installation_root ()
/* Copy result into installation_dir before stripping off "bin" dir and
revert to Win32 path. This path is added to the Windows environment
in buildenv. See there for a description. */
installation_dir_len = wcpncpy (installation_dir, installation_root, PATH_MAX)
installation_dir_len = wcpncpy (installation_dir, installation_root + len,
PATH_MAX)
- installation_dir;
installation_dir[1] = L'\\';
if (len == 4) /* Local path */
;
else if (len == 6) /* UNC path */
installation_dir[0] = L'\\';
else /* Long, prefixed path */
installation_dir[1] = L'\\';
/* If w < p, the Cygwin DLL resides in the root dir of a drive or network
path. In that case, if we strip off yet another backslash, the path