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newlib-cygwin
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163 Commits

Author SHA1 Message Date
Christopher Faylor ab7f9b938f * miscfuncs.cc (check_iovec_for_read): Don't check buffer when zero length 
iov_len.
(check_iovec_for_write): Ditto.
* fhandler.h (fhandler_base::readv): New method.
(fhandler_base::writev): Ditto.
* fhandler.cc (fhandler_base::readv): New method.
(fhandler_base::writev): Ditto.
* syscalls.cc (_read): Delegate to readv(2).
(_write): Ditto, mutatis mutandi.
(readv): Rewrite, based on the old _read code, to use the new
fhandler_base::readv method.  Improve access mode handling and ensure all calls
reach the final strace statement.
(writev): Ditto, mutatis mutandi.
* include/sys/uio.h (struct iovec): Change field types to match SUSv3.
* winsup.h (check_iovec_for_read): New function.
(check_iovec_for_write): Ditto.
* miscfuncs.cc (check_iovec_for_read): Ditto.
(check_iovec_for_write): Ditto.
 2002-08-30 15:47:10 +00:00
Conrad Scott b4f06520f4 * winsup.h (__check_null_invalid_struct): Make ptr argument non-const. 
(__check_null_invalid_struct_errno): Ditto.
	* miscfuncs.cc (__check_null_invalid_struct): Ditto.
	(__check_null_invalid_struct_errno): Ditto.
	(__check_invalid_read_ptr_errno): Remove superfluous cast.
	* net.cc (get): Set appropriate errno if fd is not a socket.
	(cygwin_sendto): Fix parameter checking.
	(cygwin_recvfrom): Ditto.
	(cygwin_setsockopt): Ditto.
	(cygwin_getsockopt): Ditto.
	(cygwin_connect): Ditto.
	(cygwin_gethostbyaddr): Ditto.
	(cygwin_accept): Ditto.
	(cygwin_bind): Ditto.
	(cygwin_getsockname): Ditto.
	(cygwin_listen): Ditto.
	(cygwin_getpeername): Ditto.
	(cygwin_send): Ditto.
	(cygwin_shutdown): Ditto.  Move sigframe to fhandler_socket.
	(cygwin_recvmsg): Fix parameter checking.  Add tracing.
	(cygwin_sendmsg): Ditto.
	* fhandler_socket.cc (fhandler_socket::shutdown): Add sigframe.
	* resource.cc (setrlimit): Fix parameter checking.
 2002-08-08 17:03:20 +00:00
Christopher Faylor f279e522b0 * autoload (noload): Avoid clobbering bx register. 
* environ.cc (codepage_init): Use case insensitive match.
* fhandler_console.cc (cp_get_internal): Delete.
(con_to_str): Use get_cp to derive code page.
(str_to_con): Ditto.
* miscfuncs.cc (get_cp): New function.
(sys_wcstombs): New function.  Converted from macro.
(sys_mbstowcs): Ditto.
* winsup.h: Reflect above changes.
 2002-06-26 05:29:41 +00:00
Christopher Faylor 1cf0d8510a * debug.cc (makethread): Eliminate unneeded function call. 
* miscfuncs.cc (tls_ix): Predefine.
* perthread.h (set_reent): Eliminate.
(get_reent): Ditto.
* winbase.h (my_tlsalloc): Use global stack base pointer.  Set newly allocated
location to NULL.
(my_tlssetvalue): Use global stack base pointer.
(my_tlsgetvalue): Ditto.
 2001-11-30 06:19:58 +00:00
Christopher Faylor 4d029f3940 * cygwin.din (ualarm): New export. 
* dcrt0.cc (_dll_crt0): Add experimental tls storage declaration.
(dll_crt0): Ditto.
* debug.cc (thread_stub): Ditto.
* thread.cc: Minor cleanup.
(__pthread_create): Add experimental tls storage declaration.
* miscfuncs.cc: Define tls index.
* winsup.h: Declare experimental tls storage.
* window.cc (alarm): Use old timer return from setitimer.
(ualarm): New function.
 2001-11-28 00:06:35 +00:00
Christopher Faylor 5a64d86941 * dtable.cc (dtable::vfork_parent_restore): Add debugging statement. 
* exceptions.cc (try_to_debug): Spin only as long as we don't have a debugger
attached.
* fhandler.h (fhandler_base::set_nohandle): New method.
(fhandler_base::get_nohandle): New method.
* fhandler.cc (fhandler_base::dup): Avoid duplicating handle if there is no
handle.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Set nohandle flag on
dummy fd.
* Makefile.in: Make intermediate library for eventual inclusion in libcygwin.a
* fhandler.h (fhandler_pipe::fhandler_pipe): Remove default argument setting
since it is no longer used.
* miscfuncs.cc (check_null_str): New function.
(+check_null_str_errno): Ditto.
* net.cc: Add defensive buffer checking throughout.
(cygwin_sendto): Protect against invalid fd.
(cygwin_recvfrom): Ditto.
(cygwin_getpeername): Ditto.
(cygwin_recv): Ditto.
(cygwin_send): Ditto.
* winsup.h: Declare a new function.
* select.cc (set_bits): Fix conditional for setting fd in exceptfds.
* dtable.cc (dtable::build_fhandler): Create fhandler_pipe using correct device
type.
* path.cc (get_devn): Set correct pipe device type from device name.
 2001-11-24 03:11:39 +00:00
Christopher Faylor a0626ebe27 Ensure that all fhandler_*::read definitions are __stdcall throughout. 
* fhandler.cc (fhandler_base::set_inheritance): Be more defensive in debugging
code.
* fhandler.h: Adjust regparms throughout to reflect passing 'this' parameter.
* fhandler_console.cc (fhandler_console::read): Remove unneeded test.  Only
honor "key down" events.
* miscfuncs.cc (strcasestr): Reorganize for efficient code use.
(check_null_empty_str_errno): Ditto.
(__check_null_invalid_struct_errno): Ditto.
(__check_invalid_read_ptr_errno): Ditto.
* syscalls.cc (_read): Return 0 when length == 0, as per Single UNIX
Specification.
 2001-10-24 04:16:45 +00:00
Corinna Vinschen 8b6234ca12 * miscfuncs.cc (__check_invalid_read_ptr_errno): Return error, if any. 2001-10-22 11:31:39 +00:00
Christopher Faylor 6fdd213161 * miscfuncs.cc (+__check_invalid_read_ptr_errno): New function. 
* syscalls.c (_write): Validate that write buffer is accessible for reading,
not writing.
* winsup.h: Declare new function, increase regparmization of check_* functions.
 2001-10-20 05:08:21 +00:00
Christopher Faylor 1ff9f4b937 * cygheap.h (init_cygheap): Move heap pointers here. 
* include/sys/cygwin.h (perprocess): Remove heap pointers.
* dcrt0.cc (__cygwin_user_data): Reflect obsolete perprocess stuff.
(_dll_crt0): Don't initialize heap pointers.
(cygwin_dll_init): Ditto.
(release_upto): Use heap pointers from cygheap.
* heap.h: Ditto.
* fork.cc (fork_parent): Ditto.  Don't set heap pointers in ch.
(fork_child): Remove obsolete sigproc_fixup_after_fork.
* shared.cc (memory_init): Reorganize so that cygheap initialization is called
prior to regular heap since regular heap uses cygheap now.
* sigproc.cc (proc_subproc): Eliminate zombies allocation.
(sigproc_init): Move zombies alloation here.  Don't free up array on fork, just
reuse it.
(sigproc_fixup_after_fork): Eliminate.
* sigproc.h: Ditto.
* include/cygwin/version.h: Reflect change to perprocess structure.
 2001-09-07 21:32:07 +00:00
Christopher Faylor 57c89867f5 Move appropriate variables to NO_COPY segment, throughout. 2001-09-06 05:17:22 +00:00
Christopher Faylor 7a4078ee34 Change check_null_empty_path* to check_null_empty_str* throughout. 
* path.cc (path_conv::check): Add signal protection here since retrieving info
about remote shares can take some time.
* path.h (check_null_empty_str_errno): Convert to a function prototype.
* path.cc (check_null_empty_str): Move to miscfuncs.cc.
* miscfuncs.cc (check_null_empty_str_errno): New function.
(__check_null_invalid_struct): Ditto.
(__check_null_invalid_struct_errno): Ditto.
(check_null_empty_str): Change from VirtualQuery to IsBadWritePtr.
* thread.cc (check_valid_pointer): Ditto.
* resource.cc (getrlimit): Use check_null_invalid_struct macro for checking
validity of pointer.
(setrlimit): Ditto.
 2001-06-28 02:19:57 +00:00
DJ Delorie 2556e737ec * Makefile.in: add miscfuncs.cc 
* miscfuncs.cc: new, miscellaneous functions
* winsup.h: define table-driven tolower/toupper
* environ.cc: use them
* fhandler_console.cc: ditto
* fhandler_termios: ditto
* path.cc: ditto
(strncasematch, strcasematch, strcasestr): move to miscfuncs.cc
 2000-10-19 03:12:44 +00:00