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* dlopen.c (dlopen): Return NULL when name is NULL (suggested by

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chrisiasci@aol.com).
* cygwin.din: Add a new, internally used export - _check_for_executable.
* dcrt0.cc (dll_crt0_1): Set _check_for_executable for older binaries.  Pass
user_data to premain functions.
* fhandler.cc (fhandler_disk_file::open): Only check for executable if the
linked program is intereested in the executable bit.
(fhandler_disk_file::check_execable_p): Delete.
* fhandler.h (executable_states): New enumeration of various states of
executable bit caring.
(fhandler_base::set_execable_p): New method.
* fhandler_termios.cc (fhandler_termios::line_edit): Flag when a signal has
been sent to the tty.  Return -1 when this is so.
* fhandler_console.cc (fhandler_console::read): Return -1 when signal sending
character encountered.
* path.cc (path_conv::check): Record when path refers to a disk device.  Move
executable extension check here.
(check_sysfile): Accomodate new EXEC path states.
(has_suffix): Remove.
(next_suffix): Remove.
(class suffix_scan): New clas.
(suffix_scan::has): New method.
(suffix_scan:next): New method.
(symlink_info::check): Use suffix_scan method to control for scanning for
suffixes.
* path.h (path_conv::exec_state): New method.
* perprocess.h: Make "C" friendly.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_S_IEXEC.  Bump
CYGWIN_VERSION_API_MINOR.
* include/sys/cygwin.h: Change premain declarations.
* winsup.h: Move __cplusplus test to after builtin defines.
This commit is contained in:
Christopher Faylor
2001-03-05 06:28:25 +00:00
parent 658b5db941
commit 95a8465ba0
28 changed files with 315 additions and 147 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
winsup/cygwin/fhandler.cc
View File

@ -17,11 +17,11 @@ details. */
#include <sys/cygwin.h>
#include <signal.h>
#include "cygerrno.h"
#include "perprocess.h"
#include "fhandler.h"
#include "path.h"
#include "shared_info.h"
#include "host_dependent.h"
#include "perprocess.h"
#include "security.h"
static NO_COPY const int CHUNK_SIZE = 1024; /* Used for crlf conversions */
@ -1226,9 +1226,6 @@ fhandler_disk_file::open (path_conv& real_path, int flags, mode_t mode)
win32_path_name_ = real_path.get_win32 ();
set_no_free_names ();
}
/* If necessary, do various other things to see if path is a program. */
if (!real_path.isexec ())
real_path.set_exec (check_execable_p (get_win32_name ()));
if (real_path.isbinary ())
{
@ -1264,9 +1261,9 @@ fhandler_disk_file::open (path_conv& real_path, int flags, mode_t mode)
extern BOOL allow_ntea;
if (!real_path.isexec () && !allow_ntea
&& (!allow_ntsec || !real_path.has_acls ())
&& GetFileType (get_handle ()) == FILE_TYPE_DISK)
if (real_path.isdisk ()
&& (real_path.exec_state () == dont_know_if_executable)
&& !allow_ntea && (!allow_ntsec || !real_path.has_acls ()))
{
DWORD done;
char magic[3];
@ -1283,7 +1280,7 @@ fhandler_disk_file::open (path_conv& real_path, int flags, mode_t mode)
SetFilePointer (get_handle(), 0, 0, FILE_END);
set_symlink_p (real_path.issymlink ());
set_execable_p (real_path.isexec ());
set_execable_p (real_path.exec_state ());
set_socket_p (real_path.issocket ());
out:
@ -1457,21 +1454,6 @@ fhandler_disk_file::lock (int cmd, struct flock *fl)
return 0;
}
/* Perform various heuristics on PATH to see if it's a program. */
int
fhandler_disk_file::check_execable_p (const char *path)
{
int len = strlen (path);
const char *ch = path + (len > 4 ? len - 4 : len);
if (strcasematch (".exe", ch)
|| strcasematch (".bat", ch)
|| strcasematch (".com", ch))
return 1;
return 0;
}
/**********************************************************************/
/* /dev/null */