fix(windows-utf8-patch): fix os.getenv() not supporting UTF-8 output (#1397)
This commit is contained in:
Takase
GitHub
parent
ecb599e61b
commit
6619a2e1ea
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@ -1,6 +1,6 @@
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diff -ruN lua-5.4.4/meson.build lua-5.4.4-mod/meson.build
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--- lua-5.4.4/meson.build 2022-11-16 10:33:38.424383300 +0800
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+++ lua-5.4.4-mod/meson.build 2022-11-16 09:40:57.697918000 +0800
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diff -ruN lua-5.4.4\meson.build lua-5.4.4-patched\meson.build
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--- lua-5.4.4\meson.build Wed Feb 22 18:16:56 2023
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+++ lua-5.4.4-patched\meson.build Wed Feb 22 04:10:01 2023
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@@ -85,6 +85,7 @@
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'src/lutf8lib.c',
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'src/lvm.c',
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@ -9,9 +9,9 @@ diff -ruN lua-5.4.4/meson.build lua-5.4.4-mod/meson.build
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dependencies: lua_lib_deps,
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version: meson.project_version(),
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soversion: lua_versions[0] + '.' + lua_versions[1],
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diff -ruN lua-5.4.4/src/luaconf.h lua-5.4.4-mod/src/luaconf.h
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--- lua-5.4.4/src/luaconf.h 2022-01-13 19:24:43.000000000 +0800
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+++ lua-5.4.4-mod/src/luaconf.h 2022-11-16 09:40:57.703926000 +0800
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diff -ruN lua-5.4.4\src\luaconf.h lua-5.4.4-patched\src\luaconf.h
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--- lua-5.4.4\src\luaconf.h Thu Jan 13 19:24:43 2022
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+++ lua-5.4.4-patched\src\luaconf.h Wed Feb 22 04:10:02 2023
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@@ -782,5 +782,15 @@
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@ -28,9 +28,9 @@ diff -ruN lua-5.4.4/src/luaconf.h lua-5.4.4-mod/src/luaconf.h
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+
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#endif
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diff -ruN lua-5.4.4/src/Makefile lua-5.4.4-mod/src/Makefile
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--- lua-5.4.4/src/Makefile 2021-07-15 22:01:52.000000000 +0800
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+++ lua-5.4.4-mod/src/Makefile 2022-11-16 09:40:57.708921800 +0800
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diff -ruN lua-5.4.4\src\Makefile lua-5.4.4-patched\src\Makefile
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--- lua-5.4.4\src\Makefile Thu Jul 15 22:01:52 2021
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+++ lua-5.4.4-patched\src\Makefile Wed Feb 22 04:10:02 2023
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@@ -33,7 +33,7 @@
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PLATS= guess aix bsd c89 freebsd generic linux linux-readline macosx mingw posix solaris
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@ -40,10 +40,10 @@ diff -ruN lua-5.4.4/src/Makefile lua-5.4.4-mod/src/Makefile
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LIB_O= lauxlib.o lbaselib.o lcorolib.o ldblib.o liolib.o lmathlib.o loadlib.o loslib.o lstrlib.o ltablib.o lutf8lib.o linit.o
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BASE_O= $(CORE_O) $(LIB_O) $(MYOBJS)
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diff -ruN lua-5.4.4/src/utf8_wrappers.c lua-5.4.4-mod/src/utf8_wrappers.c
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--- lua-5.4.4/src/utf8_wrappers.c 1970-01-01 07:30:00.000000000 +0730
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+++ lua-5.4.4-mod/src/utf8_wrappers.c 2022-11-16 10:09:04.583866600 +0800
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@@ -0,0 +1,101 @@
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diff -ruN lua-5.4.4\src\utf8_wrappers.c lua-5.4.4-patched\src\utf8_wrappers.c
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--- lua-5.4.4\src\utf8_wrappers.c Thu Jan 01 08:00:00 1970
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+++ lua-5.4.4-patched\src\utf8_wrappers.c Wed Feb 22 18:13:45 2023
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@@ -0,0 +1,129 @@
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+/**
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+ * Wrappers to provide Unicode (UTF-8) support on Windows.
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+ *
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@ -58,12 +58,17 @@ diff -ruN lua-5.4.4/src/utf8_wrappers.c lua-5.4.4-mod/src/utf8_wrappers.c
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+#include <stdlib.h>
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+#include <errno.h>
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+
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+// A environment variable has the maximum length of 32767 characters
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+// including the terminator.
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+#define MAX_ENV_SIZE 32767
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+// Set a high limit in case long paths are enabled.
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+#define MAX_PATH_SIZE 4096
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+#define MAX_MODE_SIZE 128
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+// cmd.exe argument length is reportedly limited to 8192.
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+#define MAX_CMD_SIZE 8192
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+
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+static char env_value[MAX_ENV_SIZE];
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+
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+FILE *fopen_utf8(const char *pathname, const char *mode) {
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+ wchar_t pathname_w[MAX_PATH_SIZE];
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+ wchar_t mode_w[MAX_MODE_SIZE];
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@ -144,11 +149,34 @@ diff -ruN lua-5.4.4/src/utf8_wrappers.c lua-5.4.4-mod/src/utf8_wrappers.c
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+ }
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+ return LoadLibraryExW(pathname_w, hFile, dwFlags);
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+}
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+
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+char* getenv_utf8(const char *varname) {
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+ /** This implementation is not thread safe.
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+ * The string is only valid until the next call to getenv.
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+ * This behavior is allowed per POSIX.1-2017 where it was said that:
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+ * > The returned string pointer might be invalidated or the string content might be overwritten by a subsequent call to getenv(), setenv(), unsetenv(), or (if supported) putenv() but they shall not be affected by a call to any other function in this volume of POSIX.1-2017.
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+ * > The returned string pointer might also be invalidated if the calling thread is terminated.
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+ * > The getenv() function need not be thread-safe.
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+ */
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+ wchar_t *value_w;
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+ wchar_t varname_w[MAX_ENV_SIZE];
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+
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+ if (!MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, varname, -1, varname_w, MAX_ENV_SIZE))
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+ return NULL;
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+ value_w = _wgetenv((const wchar_t *) varname_w);
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+ if (!value_w)
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+ return NULL;
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+
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+ if (!WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, value_w, -1, env_value, MAX_ENV_SIZE, NULL, NULL))
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+ return NULL;
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+
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+ return env_value;
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+}
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+#endif
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diff -ruN lua-5.4.4/src/utf8_wrappers.h lua-5.4.4-mod/src/utf8_wrappers.h
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--- lua-5.4.4/src/utf8_wrappers.h 1970-01-01 07:30:00.000000000 +0730
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+++ lua-5.4.4-mod/src/utf8_wrappers.h 2022-11-16 10:29:46.044102000 +0800
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@@ -0,0 +1,44 @@
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diff -ruN lua-5.4.4\src\utf8_wrappers.h lua-5.4.4-patched\src\utf8_wrappers.h
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--- lua-5.4.4\src\utf8_wrappers.h Thu Jan 01 08:00:00 1970
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+++ lua-5.4.4-patched\src\utf8_wrappers.h Wed Feb 22 18:09:48 2023
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@@ -0,0 +1,46 @@
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+/**
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+ * Wrappers to provide Unicode (UTF-8) support on Windows.
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+ *
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@ -180,9 +208,11 @@ diff -ruN lua-5.4.4/src/utf8_wrappers.h lua-5.4.4-mod/src/utf8_wrappers.h
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+int remove_utf8(const char *pathname);
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+int rename_utf8(const char *oldpath, const char *newpath);
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+int system_utf8(const char *command);
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+char *getenv_utf8(const char *varname);
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+#define remove remove_utf8
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+#define rename rename_utf8
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+#define system system_utf8
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+#define getenv getenv_utf8
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+#endif
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+
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+#ifdef loadlib_c
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