/* Sync'ed with Emacs 19.34.6 by Marc Paquette <marcpa@cam.org> */
#include <config.h>
-
-#undef signal
#define getwd _getwd
#include "lisp.h"
#undef getwd
#include "syssignal.h"
#include "sysproc.h"
#include "sysfile.h"
+#include "syspwd.h"
+#include "sysdir.h"
-#include <ctype.h>
-#include <direct.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <io.h>
-#include <pwd.h>
-#include <signal.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#include <windows.h>
-#include <mmsystem.h>
+#include "syswindows.h"
#include "nt.h"
-#include <sys/dir.h>
#include "ntheap.h"
return dirp;
}
-void
+int
closedir (DIR *dirp)
{
+ BOOL retval;
+
/* If we have a find-handle open, close it. */
if (dir_find_handle != INVALID_HANDLE_VALUE)
{
- FindClose (dir_find_handle);
+ retval = FindClose (dir_find_handle);
dir_find_handle = INVALID_HANDLE_VALUE;
}
xfree (dirp);
+ if (retval)
+ return 0;
+ else
+ return -1;
}
struct direct *
}
#else
-#if defined(__MINGW32__) && CYGWIN_VERSION_DLL_MAJOR <= 21
+#if defined(MINGW) && CYGWIN_VERSION_DLL_MAJOR <= 21
#define LowPart u.LowPart
#define HighPart u.HighPart
#endif
return ret;
}
#endif
-#if defined(__MINGW32__) && CYGWIN_VERSION_DLL_MAJOR <= 21
+#if defined(MINGW) && CYGWIN_VERSION_DLL_MAJOR <= 21
#undef LowPart
#undef HighPart
#endif
#endif
-/* stat has been fixed since MSVC 5.0.
- Oh, and do not encapsulater stat for non-MS compilers, too */
-/* #### popineau@ese-metz.fr says they still might be broken.
- Oh well... Let's add that `1 ||' condition.... --kkm */
/* #### aichner@ecf.teradyne.com reported that with the library
provided stat/fstat, (file-exist "d:\\tmp\\") =>> nil,
(file-exist "d:\\tmp") =>> t, when d:\tmp exists. Whenever
we opt to use non-encapsulated stat(), this should serve as
a compatibility test. --kkm */
-#if 1 || defined(_MSC_VER) && _MSC_VER < 1100
-
/* Since stat is encapsulated on Windows NT, we need to encapsulate
the equally broken fstat as well. */
-int _cdecl
-fstat (int handle, struct stat *buffer)
+int
+mswindows_fstat (int handle, struct stat *buffer)
{
int ret;
BY_HANDLE_FILE_INFORMATION lpFileInfo;
replace it with our own. This also allows us to calculate consistent
inode values without hacks in the main Emacs code. */
int
-stat (const char * path, struct stat * buf)
+mswindows_stat (const char * path, struct stat * buf)
{
char * name;
WIN32_FIND_DATA wfd;
return 0;
}
-#endif /* defined(_MSC_VER) && _MSC_VER < 1100 */
/* From callproc.c */
extern Lisp_Object Vbinary_process_input;
/* Signal pending mask: bit set to 1 means sig is pending */
unsigned signal_pending_mask = 0;
-msw_sighandler msw_sigset (int nsig, msw_sighandler handler)
+mswindows_sighandler mswindows_sigset (int nsig, mswindows_sighandler handler)
{
/* We delegate some signals to the system function */
if (nsig == SIGFPE || nsig == SIGABRT || nsig == SIGINT)
/* Store handler ptr */
{
- msw_sighandler old_handler = signal_handlers[nsig];
+ mswindows_sighandler old_handler = signal_handlers[nsig];
signal_handlers[nsig] = handler;
return old_handler;
}
}
-int msw_sighold (int nsig)
+int mswindows_sighold (int nsig)
{
if (nsig < 0 || nsig > SIG_MAX)
return errno = EINVAL;
return 0;
}
-int msw_sigrelse (int nsig)
+int mswindows_sigrelse (int nsig)
{
if (nsig < 0 || nsig > SIG_MAX)
return errno = EINVAL;
signal_block_mask &= ~sigmask(nsig);
if (signal_pending_mask & sigmask(nsig))
- msw_raise (nsig);
+ mswindows_raise (nsig);
return 0;
}
-int msw_sigpause (int nsig)
+int mswindows_sigpause (int nsig)
{
/* This is currently not called, because the only
call to sigpause inside XEmacs is with SIGCHLD
return 0;
}
-int msw_raise (int nsig)
+int mswindows_raise (int nsig)
{
/* We delegate some raises to the system routine */
if (nsig == SIGFPE || nsig == SIGABRT || nsig == SIGINT)
DWORD dw1, DWORD dw2)
{
/* Just raise a signal indicated by dwUser parameter */
- msw_raise (dwUser);
+ mswindows_raise (dwUser);
}
/* Divide time in ms specified by IT by DENOM. Return 1 ms
return errno = EINVAL;
}
+\f
+/*--------------------------------------------------------------------*/
+/* Memory-mapped files */
+/*--------------------------------------------------------------------*/
+
int
open_input_file (file_data *p_file, const char *filename)
{
+ /* Synched with FSF 20.6. We fixed some warnings. */
HANDLE file;
HANDLE file_mapping;
void *file_base;
return TRUE;
}
+int
+open_output_file (file_data *p_file, const char *filename, unsigned long size)
+{
+ /* Synched with FSF 20.6. We fixed some warnings. */
+ HANDLE file;
+ HANDLE file_mapping;
+ void *file_base;
+
+ file = CreateFile (filename, GENERIC_READ | GENERIC_WRITE, 0, NULL,
+ CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
+ if (file == INVALID_HANDLE_VALUE)
+ return FALSE;
+
+ file_mapping = CreateFileMapping (file, NULL, PAGE_READWRITE,
+ 0, size, NULL);
+ if (!file_mapping)
+ return FALSE;
+
+ file_base = MapViewOfFile (file_mapping, FILE_MAP_WRITE, 0, 0, size);
+ if (file_base == NULL)
+ return FALSE;
+
+ p_file->name = filename;
+ p_file->size = size;
+ p_file->file = file;
+ p_file->file_mapping = file_mapping;
+ p_file->file_base = (char*) file_base;
+
+ return TRUE;
+}
+
+#if 1 /* !defined(MINGW) */
+/* Return pointer to section header for section containing the given
+ relative virtual address. */
+static IMAGE_SECTION_HEADER *
+rva_to_section (DWORD rva, IMAGE_NT_HEADERS * nt_header)
+{
+ /* Synched with FSF 20.6. We added MINGW stuff. */
+ PIMAGE_SECTION_HEADER section;
+ int i;
+
+ section = IMAGE_FIRST_SECTION (nt_header);
+
+ for (i = 0; i < nt_header->FileHeader.NumberOfSections; i++)
+ {
+ /* Some linkers (eg. the NT SDK linker I believe) swapped the
+ meaning of these two values - or rather, they ignored
+ VirtualSize entirely and always set it to zero. This affects
+ some very old exes (eg. gzip dated Dec 1993). Since
+ mswindows_executable_type relies on this function to work reliably,
+ we need to cope with this. */
+ DWORD real_size = max (section->SizeOfRawData,
+ section->Misc.VirtualSize);
+ if (rva >= section->VirtualAddress
+ && rva < section->VirtualAddress + real_size)
+ return section;
+ section++;
+ }
+ return NULL;
+}
+#endif
+
+void
+mswindows_executable_type (const char * filename, int * is_dos_app,
+ int * is_cygnus_app)
+{
+ /* Synched with FSF 20.6. We added MINGW stuff and casts. */
+ file_data executable;
+ char * p;
+
+ /* Default values in case we can't tell for sure. */
+ *is_dos_app = FALSE;
+ *is_cygnus_app = FALSE;
+
+ if (!open_input_file (&executable, filename))
+ return;
+
+ p = strrchr (filename, '.');
+
+ /* We can only identify DOS .com programs from the extension. */
+ if (p && stricmp (p, ".com") == 0)
+ *is_dos_app = TRUE;
+ else if (p && (stricmp (p, ".bat") == 0 ||
+ stricmp (p, ".cmd") == 0))
+ {
+ /* A DOS shell script - it appears that CreateProcess is happy to
+ accept this (somewhat surprisingly); presumably it looks at
+ COMSPEC to determine what executable to actually invoke.
+ Therefore, we have to do the same here as well. */
+ /* Actually, I think it uses the program association for that
+ extension, which is defined in the registry. */
+ p = egetenv ("COMSPEC");
+ if (p)
+ mswindows_executable_type (p, is_dos_app, is_cygnus_app);
+ }
+ else
+ {
+ /* Look for DOS .exe signature - if found, we must also check that
+ it isn't really a 16- or 32-bit Windows exe, since both formats
+ start with a DOS program stub. Note that 16-bit Windows
+ executables use the OS/2 1.x format. */
+
+#if 0 /* defined( MINGW ) */
+ /* mingw32 doesn't have enough headers to detect cygwin
+ apps, just do what we can. */
+ FILHDR * exe_header;
+
+ exe_header = (FILHDR*) executable.file_base;
+ if (exe_header->e_magic != DOSMAGIC)
+ goto unwind;
+
+ if ((char*) exe_header->e_lfanew > (char*) executable.size)
+ {
+ /* Some dos headers (pkunzip) have bogus e_lfanew fields. */
+ *is_dos_app = TRUE;
+ }
+ else if (exe_header->nt_signature != NT_SIGNATURE)
+ {
+ *is_dos_app = TRUE;
+ }
+#else
+ IMAGE_DOS_HEADER * dos_header;
+ IMAGE_NT_HEADERS * nt_header;
+
+ dos_header = (PIMAGE_DOS_HEADER) executable.file_base;
+ if (dos_header->e_magic != IMAGE_DOS_SIGNATURE)
+ goto unwind;
+
+ nt_header = (PIMAGE_NT_HEADERS) ((char*) dos_header + dos_header->e_lfanew);
+
+ if ((char*) nt_header > (char*) dos_header + executable.size)
+ {
+ /* Some dos headers (pkunzip) have bogus e_lfanew fields. */
+ *is_dos_app = TRUE;
+ }
+ else if (nt_header->Signature != IMAGE_NT_SIGNATURE &&
+ LOWORD (nt_header->Signature) != IMAGE_OS2_SIGNATURE)
+ {
+ *is_dos_app = TRUE;
+ }
+ else if (nt_header->Signature == IMAGE_NT_SIGNATURE)
+ {
+ /* Look for cygwin.dll in DLL import list. */
+ IMAGE_DATA_DIRECTORY import_dir =
+ nt_header->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT];
+ IMAGE_IMPORT_DESCRIPTOR * imports;
+ IMAGE_SECTION_HEADER * section;
+
+ section = rva_to_section (import_dir.VirtualAddress, nt_header);
+ imports = (IMAGE_IMPORT_DESCRIPTOR *) RVA_TO_PTR (import_dir.VirtualAddress,
+ section, executable);
+
+ for ( ; imports->Name; imports++)
+ {
+ char *dllname = (char*) RVA_TO_PTR (imports->Name, section, executable);
+
+ /* The exact name of the cygwin dll has changed with
+ various releases, but hopefully this will be reasonably
+ future proof. */
+ if (strncmp (dllname, "cygwin", 6) == 0)
+ {
+ *is_cygnus_app = TRUE;
+ break;
+ }
+ }
+ }
+#endif
+ }
+
+ unwind:
+ close_file_data (&executable);
+}
+
/* Close the system structures associated with the given file. */
void
close_file_data (file_data *p_file)
projects / chise / xemacs-chise.git.1 / blobdiff