Files
MINGW-packages/mingw-w64-lua53/cygpty.patch

309 lines
9.0 KiB
Diff

diff --git a/src/Makefile b/src/Makefile
index 25533d0..87449a6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -42,7 +42,7 @@ LUA_O= lua.o
LUAC_T= luac5.3
LUAC_O= luac.o
-ALL_O= $(BASE_O) $(LUA_O) $(LUAC_O)
+ALL_O= $(BASE_O) $(LUA_O) $(LUAC_O) iscygpty.o
ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
ALL_A= $(LUA_A)
@@ -59,8 +59,8 @@ $(LUA_A): $(BASE_O)
$(AR) $@ $(BASE_O)
$(RANLIB) $@
-$(LUA_T): $(LUA_O) $(LUA_A)
- $(CC) -o $@ $(LDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
+$(LUA_T): $(LUA_O) iscygpty.o $(LUA_A)
+ $(CC) -o $@ $(LDFLAGS) $(LUA_O) iscygpty.o $(LUA_A) $(LIBS)
$(LUAC_T): $(LUAC_O) $(LUA_A)
$(CC) -o $@ $(LDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
@@ -129,6 +129,7 @@ solaris:
# DO NOT DELETE
+iscygpty.o: iscygpty.c iscygpty.h
lapi.o: lapi.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
lobject.h ltm.h lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h lstring.h \
ltable.h lundump.h lvm.h
@@ -181,7 +182,7 @@ ltable.o: ltable.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
ltablib.o: ltablib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
ltm.o: ltm.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
llimits.h ltm.h lzio.h lmem.h ldo.h lstring.h lgc.h ltable.h lvm.h
-lua.o: lua.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
+lua.o: lua.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h iscygpty.h
luac.o: luac.c lprefix.h lua.h luaconf.h lauxlib.h lobject.h llimits.h \
lstate.h ltm.h lzio.h lmem.h lundump.h ldebug.h lopcodes.h
lundump.o: lundump.c lprefix.h lua.h luaconf.h ldebug.h lstate.h \
diff --git b/src/iscygpty.c b/src/iscygpty.c
new file mode 100644
index 0000000..722f88f
--- /dev/null
+++ b/src/iscygpty.c
@@ -0,0 +1,185 @@
+/*
+ * iscygpty.c -- part of ptycheck
+ * https://github.com/k-takata/ptycheck
+ *
+ * Copyright (c) 2015-2017 K.Takata
+ *
+ * You can redistribute it and/or modify it under the terms of either
+ * the MIT license (as described below) or the Vim license.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifdef _WIN32
+
+#include <ctype.h>
+#include <io.h>
+#include <wchar.h>
+#include <windows.h>
+
+#ifdef USE_FILEEXTD
+/* VC 7.1 or earlier doesn't support SAL. */
+# if !defined(_MSC_VER) || (_MSC_VER < 1400)
+# define __out
+# define __in
+# define __in_opt
+# endif
+/* Win32 FileID API Library:
+ * http://www.microsoft.com/en-us/download/details.aspx?id=22599
+ * Needed for WinXP. */
+# include <fileextd.h>
+#else /* USE_FILEEXTD */
+/* VC 8 or earlier. */
+# if defined(_MSC_VER) && (_MSC_VER < 1500)
+# ifdef ENABLE_STUB_IMPL
+# define STUB_IMPL
+# else
+# error "Win32 FileID API Library is required for VC2005 or earlier."
+# endif
+# endif
+#endif /* USE_FILEEXTD */
+
+
+#include "iscygpty.h"
+
+//#define USE_DYNFILEID
+#ifdef USE_DYNFILEID
+typedef BOOL (WINAPI *pfnGetFileInformationByHandleEx)(
+ HANDLE hFile,
+ FILE_INFO_BY_HANDLE_CLASS FileInformationClass,
+ LPVOID lpFileInformation,
+ DWORD dwBufferSize
+);
+static pfnGetFileInformationByHandleEx pGetFileInformationByHandleEx = NULL;
+
+# ifndef USE_FILEEXTD
+static BOOL WINAPI stub_GetFileInformationByHandleEx(
+ HANDLE hFile,
+ FILE_INFO_BY_HANDLE_CLASS FileInformationClass,
+ LPVOID lpFileInformation,
+ DWORD dwBufferSize
+ )
+{
+ return FALSE;
+}
+# endif
+
+static void setup_fileid_api(void)
+{
+ if (pGetFileInformationByHandleEx != NULL) {
+ return;
+ }
+ pGetFileInformationByHandleEx = (pfnGetFileInformationByHandleEx)
+ GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),
+ "GetFileInformationByHandleEx");
+ if (pGetFileInformationByHandleEx == NULL) {
+# ifdef USE_FILEEXTD
+ pGetFileInformationByHandleEx = GetFileInformationByHandleEx;
+# else
+ pGetFileInformationByHandleEx = stub_GetFileInformationByHandleEx;
+# endif
+ }
+}
+#else
+# define pGetFileInformationByHandleEx GetFileInformationByHandleEx
+# define setup_fileid_api()
+#endif
+
+
+#define is_wprefix(s, prefix) \
+ (wcsncmp((s), (prefix), sizeof(prefix) / sizeof(WCHAR) - 1) == 0)
+
+/* Check if the fd is a cygwin/msys's pty. */
+int is_cygpty(int fd)
+{
+#ifdef STUB_IMPL
+ return 0;
+#else
+ HANDLE h;
+ int size = sizeof(FILE_NAME_INFO) + sizeof(WCHAR) * (MAX_PATH - 1);
+ FILE_NAME_INFO *nameinfo;
+ WCHAR *p = NULL;
+
+ setup_fileid_api();
+
+ h = (HANDLE) _get_osfhandle(fd);
+ if (h == INVALID_HANDLE_VALUE) {
+ return 0;
+ }
+ /* Cygwin/msys's pty is a pipe. */
+ if (GetFileType(h) != FILE_TYPE_PIPE) {
+ return 0;
+ }
+ nameinfo = malloc(size + sizeof(WCHAR));
+ if (nameinfo == NULL) {
+ return 0;
+ }
+ /* Check the name of the pipe:
+ * '\{cygwin,msys}-XXXXXXXXXXXXXXXX-ptyN-{from,to}-master' */
+ if (pGetFileInformationByHandleEx(h, FileNameInfo, nameinfo, size)) {
+ nameinfo->FileName[nameinfo->FileNameLength / sizeof(WCHAR)] = L'\0';
+ p = nameinfo->FileName;
+ if (is_wprefix(p, L"\\cygwin-")) { /* Cygwin */
+ p += 8;
+ } else if (is_wprefix(p, L"\\msys-")) { /* MSYS and MSYS2 */
+ p += 6;
+ } else {
+ p = NULL;
+ }
+ if (p != NULL) {
+ while (*p && isxdigit(*p)) /* Skip 16-digit hexadecimal. */
+ ++p;
+ if (is_wprefix(p, L"-pty")) {
+ p += 4;
+ } else {
+ p = NULL;
+ }
+ }
+ if (p != NULL) {
+ while (*p && isdigit(*p)) /* Skip pty number. */
+ ++p;
+ if (is_wprefix(p, L"-from-master")) {
+ //p += 12;
+ } else if (is_wprefix(p, L"-to-master")) {
+ //p += 10;
+ } else {
+ p = NULL;
+ }
+ }
+ }
+ free(nameinfo);
+ return (p != NULL);
+#endif /* STUB_IMPL */
+}
+
+/* Check if at least one cygwin/msys pty is used. */
+int is_cygpty_used(void)
+{
+ int fd, ret = 0;
+
+ for (fd = 0; fd < 3; fd++) {
+ ret |= is_cygpty(fd);
+ }
+ return ret;
+}
+
+#endif /* _WIN32 */
+
+/* vim: set ts=4 sw=4: */
diff --git b/src/iscygpty.h b/src/iscygpty.h
new file mode 100644
index 0000000..82fd0af
--- /dev/null
+++ b/src/iscygpty.h
@@ -0,0 +1,41 @@
+/*
+ * iscygpty.h -- part of ptycheck
+ * https://github.com/k-takata/ptycheck
+ *
+ * Copyright (c) 2015-2017 K.Takata
+ *
+ * You can redistribute it and/or modify it under the terms of either
+ * the MIT license (as described below) or the Vim license.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _ISCYGPTY_H
+#define _ISCYGPTY_H
+
+#ifdef _WIN32
+int is_cygpty(int fd);
+int is_cygpty_used(void);
+#else
+#define is_cygpty(fd) 0
+#define is_cygpty_used() 0
+#endif
+
+#endif /* _ISCYGPTY_H */
diff --git a/src/lua.c b/src/lua.c
index ca5b298..7d4f633 100644
--- a/src/lua.c
+++ b/src/lua.c
@@ -19,6 +19,7 @@
#include "lauxlib.h"
#include "lualib.h"
+#include "iscygpty.h"
#if !defined(LUA_PROMPT)
@@ -50,14 +51,14 @@
#if defined(LUA_USE_POSIX) /* { */
#include <unistd.h>
-#define lua_stdin_is_tty() isatty(0)
+#define lua_stdin_is_tty() isatty(0) || is_cygpty(0)
#elif defined(LUA_USE_WINDOWS) /* }{ */
#include <io.h>
#include <windows.h>
-#define lua_stdin_is_tty() _isatty(_fileno(stdin))
+#define lua_stdin_is_tty() _isatty(_fileno(stdin)) || is_cygpty(_fileno(stdin))
#else /* }{ */