From ff413a9894527321e27f287a997187d25202ea63 Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Thu, 22 Feb 2001 16:14:59 +0000 Subject: [PATCH] * 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. --- winsup/cygwin/ChangeLog | 6 ++++++ winsup/cygwin/path.cc | 37 +++++++++++++++++++++++++++++++++---- 2 files changed, 39 insertions(+), 4 deletions(-) diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 9f7d12200..9dd5df3a5 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,9 @@ +Thu Feb 22 17:09:00 2001 Corinna Vinschen + + * 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 * cygerrno.h: Revert previous patch. diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc index 240dcaf48..54db24f8d 100644 --- 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);