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newlib-cygwin
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* spawn.cc (spawn_guts): Only try to remove long path prefix from 

runpath if runpath is not NULL.
This commit is contained in:
Corinna Vinschen 2010-01-25 11:21:56 +00:00
parent aced35f883
commit 27ac64346f
2 changed files with 23 additions and 17 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
2010-01-25 Corinna Vinschen <corinna@vinschen.de>
* spawn.cc (spawn_guts): Only try to remove long path prefix from
runpath if runpath is not NULL.
2010-01-25 Corinna Vinschen <corinna@vinschen.de>
* nlsfuncs.cc (__get_lcid_from_locale): Fix a comment. Handle special

35
winsup/cygwin/spawn.cc
View File

@ -489,23 +489,24 @@ 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) = L'\\';
if (!RtlIsDosDeviceName_U (r))
runpath = r;
else if (*r == L'\\')
*r = L'C';
}
}
if (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) = L'\\';
if (!RtlIsDosDeviceName_U (r))
runpath = r;
else if (*r == L'\\')
*r = L'C';
}
}
syscall_printf ("null_app_name %d (%W, %.9500W)", null_app_name,
runpath, wone_line);