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newlib-cygwin
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* path.cc (symlink): Keep relative paths relative in the DOS 

path inside of a shortcut. If that's impossible for some
        reason, save an absolute path.
This commit is contained in:
Corinna Vinschen 2001-02-22 16:14:59 +00:00
parent c5a4eacc69
commit ff413a9894
2 changed files with 39 additions and 4 deletions
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6
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,9 @@
Thu Feb 22 17:09:00 2001 Corinna Vinschen <corinna@vinschen.de>
* path.cc (symlink): Keep relative paths relative in the DOS
path inside of a shortcut. If that's impossible for some
reason, save an absolute path.
Thu Feb 22 15:33:00 2001 Corinna Vinschen <corinna@vinschen.de>
* cygerrno.h: Revert previous patch.

37
winsup/cygwin/path.cc
View File

@ -2208,6 +2208,9 @@ symlink (const char *topath, const char *frompath)
if (len <= 4 || strcasecmp (from + len - 4, ".lnk"))
strcpy (from + len, ".lnk");
path_conv win32_path (from, PC_SYM_NOFOLLOW);
path_conv win32_topath;
char cwd[MAX_PATH + 1], *cp, c = 0;
char w32topath[MAX_PATH + 1];
#endif
if (win32_path.error)
@ -2236,6 +2239,7 @@ symlink (const char *topath, const char *frompath)
goto done;
}
#if 0
h = CreateFileA(win32_path, GENERIC_WRITE, 0, &sec_none_nih,
CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0);
if (h == INVALID_HANDLE_VALUE)
@ -2243,7 +2247,6 @@ symlink (const char *topath, const char *frompath)
else
{
DWORD written;
#if 0
/* This is the old technique creating a symlink.
Preserved to have a fallback. */
char buf[sizeof (SYMLINK_COOKIE) + MAX_PATH + 10];
@ -2262,10 +2265,36 @@ symlink (const char *topath, const char *frompath)
res = 0;
}
#else
getcwd (cwd, MAX_PATH + 1);
if ((cp = strrchr (from, '/')) || (cp = strrchr (from, '\\')))
{
c = *cp;
*cp = '\0';
chdir (from);
}
backslashify (topath, w32topath, 0);
if (GetFileAttributes (w32topath) == (DWORD)-1)
{
win32_topath.check (topath, PC_SYM_NOFOLLOW);
if (win32_topath.error != ENOENT)
strcpy (w32topath, win32_topath);
}
if (cp)
{
*cp = c;
chdir (cwd);
}
h = CreateFileA(win32_path, GENERIC_WRITE, 0, &sec_none_nih,
CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0);
if (h == INVALID_HANDLE_VALUE)
__seterrno ();
else
{
DWORD written;
create_shortcut_header ();
path_conv win32_topath (topath, PC_SYM_NOFOLLOW);
len = strlen (topath);
unsigned short win_len = strlen (win32_topath.get_win32 ());
unsigned short win_len = strlen (w32topath);
if (WriteFile (h, shortcut_header, SHORTCUT_HDR_SIZE, &written, NULL)
&& written == SHORTCUT_HDR_SIZE
&& WriteFile (h, &len, sizeof len, &written, NULL)
@ -2274,7 +2303,7 @@ symlink (const char *topath, const char *frompath)
&& written == len
&& WriteFile (h, &win_len, sizeof win_len, &written, NULL)
&& written == sizeof win_len
&& WriteFile (h, win32_topath.get_win32 (), win_len, &written, NULL)
&& WriteFile (h, w32topath, win_len, &written, NULL)
&& written == win_len)
{
CloseHandle (h);