From 19dc8ba9b200524f1e28281edab26510754239aa Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Tue, 22 Jul 2008 16:59:59 +0000 Subject: * spawn.cc (spawn_guts): Remove long path prefix from win32 path before calling CreateProcess if path length is < MAX_PATH. --- winsup/cygwin/spawn.cc | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'winsup/cygwin/spawn.cc') diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc index f90ffbcea..0a94282f0 100644 --- a/winsup/cygwin/spawn.cc +++ b/winsup/cygwin/spawn.cc @@ -472,6 +472,20 @@ spawn_guts (const char *prog_arg, const char *const *argv, } runpath = null_app_name ? NULL : real_path.get_wide_win32_path (runpath); + { /* If the executable path length is < MAX_PATH, make sure the long path + win32 prefix is removed from the path to make subsequent native Win32 + child processes happy which are not long path aware. */ + USHORT len = real_path.get_nt_native_path ()->Length; + if (len < (MAX_PATH + 4) * sizeof (WCHAR) + || (runpath[5] != L':' /* UNC path */ + && len < (MAX_PATH + 6) * sizeof (WCHAR))) + { + PWCHAR r = runpath + 4; + if (r[1] != L':') /* UNC path */ + r += 2; + runpath = r; + } + } syscall_printf ("null_app_name %d (%W, %.9500W)", null_app_name, runpath, wone_line); -- cgit v1.2.3