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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
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18
winsup/cygwin/path.h
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@ -37,6 +37,8 @@ enum path_types
PATH_EXEC = MOUNT_EXEC,
PATH_CYGWIN_EXEC = MOUNT_CYGWIN_EXEC,
PATH_ALL_EXEC = PATH_CYGWIN_EXEC | PATH_EXEC,
PATH_ISDISK = 0x04000000,
PATH_NOTEXEC = 0x08000000,
PATH_HAS_SYMLINKS = 0x10000000,
PATH_HASBUGGYOPEN = 0x20000000,
PATH_SOCKET = 0x40000000,
@ -50,6 +52,7 @@ class path_conv
unsigned path_flags;
int isdisk () {return path_flags & PATH_ISDISK;}
int has_acls () {return path_flags & PATH_HASACLS;}
int has_symlinks () {return path_flags & PATH_HAS_SYMLINKS;}
int hasgood_inode () {return path_flags & PATH_HASACLS;} // Not strictly correct
@ -57,13 +60,24 @@ class path_conv
int isbinary () {return path_flags & PATH_BINARY;}
int issymlink () {return path_flags & PATH_SYMLINK;}
int issocket () {return path_flags & PATH_SOCKET;}
int isexec () {return path_flags & PATH_ALL_EXEC;}
int iscygexec () {return path_flags & PATH_CYGWIN_EXEC;}
executable_states exec_state ()
{
extern int _check_for_executable;
if (path_flags & PATH_ALL_EXEC)
return is_executable;
if (path_flags & PATH_NOTEXEC)
return not_executable;
if (!_check_for_executable)
return dont_care_if_executable;
return dont_know_if_executable;
}
void set_binary () {path_flags |= PATH_BINARY;}
void set_symlink () {path_flags |= PATH_SYMLINK;}
void set_has_symlinks () {path_flags |= PATH_HAS_SYMLINKS;}
void set_exec (int x = 1) {path_flags |= x ? PATH_EXEC : PATH_NOTHING;}
void set_isdisk () {path_flags |= PATH_ISDISK;}
void set_exec (int x = 1) {path_flags |= x ? PATH_EXEC : PATH_NOTEXEC;}
void set_has_acls (int x = 1) {path_flags |= x ? PATH_HASACLS : PATH_NOTHING;}
void set_has_buggy_open (int x = 1) {path_flags |= x ? PATH_HASBUGGYOPEN : PATH_NOTHING;}