* 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.

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 9f7d12200616a72ff55a015514b5fbe3fa0b1bb7..9dd5df3a5347398b82a903ba2b23d716f6b2b4b2 100644 (file)
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -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.

diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
index 240dcaf483ea908a49cd8280433c2b00b580218a..54db24f8d9f5471f920ec85ca5f6b2080762fd20 100644 (file)
--- a/winsup/cygwin/path.cc
+++ b/winsup/cygwin/path.cc
@@ -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);