From 16e4f4cfe2566a69667dac18568cc026323dcdc3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaakko=20Ker=C3=A4nen?= <jaakko.keranen@iki.fi>
Date: Tue, 5 Apr 2022 06:27:45 +0300
Subject: [PATCH 1/1] Windows: Directory for temporary files

---
 src/app.c   |  5 ++++-
 src/win32.c | 16 ++++++++++++++++
 src/win32.h |  1 +
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/app.c b/src/app.c
index 2b256025..1c782173 100644
--- a/src/app.c
+++ b/src/app.c
@@ -1277,7 +1277,10 @@ const iString *downloadPathForUrl_App(const iString *url, const iString *mime) {
 
 const iString *temporaryPathForUrl_App(const iString *url, const iString *mime) {
     iApp *d = &app_;
-#if defined (P_tmpdir)
+#if defined (iPlatformMsys)
+    iString *      tmpPath = collectNew_String();
+    const iRangecc tmpDir  = range_String(collect_String(tempDirectory_Win32()));
+#elif defined (P_tmpdir)
     iString *      tmpPath = collectNew_String();
     const iRangecc tmpDir  = range_CStr(P_tmpdir);
 #else
diff --git a/src/win32.c b/src/win32.c
index f5aba1ed..287c11e9 100644
--- a/src/win32.c
+++ b/src/win32.c
@@ -26,6 +26,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
 #include "prefs.h"
 #include "app.h"
 
+#include <the_Foundation/path.h>
 #include <the_Foundation/sortedarray.h>
 #include <SDL_syswm.h>
 
@@ -245,6 +246,21 @@ iString *windowsDirectory_Win32(void) {
     return newUtf16_String(winDir);
 }
 
+iString *tempDirectory_Win32(void) {
+    /* Calling GetTempPathW would just return C:\WINDOWS? A local config issue? */
+    WCHAR buf[32768];
+    if (GetEnvironmentVariableW(L"TMP", buf, sizeof(buf))) {
+        return newUtf16_String(buf);
+    }
+    if (GetEnvironmentVariableW(L"TEMP", buf, sizeof(buf))) {
+        return newUtf16_String(buf);
+    }
+    if (GetEnvironmentVariableW(L"USERPROFILE", buf, sizeof(buf))) {
+        return concatCStr_Path(collect_String(newUtf16_String(buf)), "AppData\\Local\\Temp");
+    }
+    return concatCStr_Path(collect_String(windowsDirectory_Win32()), "Temp");
+}
+
 void useExecutableIconResource_SDLWindow(SDL_Window *win) {
     HINSTANCE handle = GetModuleHandle(NULL);
     HICON icon = LoadIcon(handle, "IDI_ICON1");
diff --git a/src/win32.h b/src/win32.h
index 1732f305..6e7882a9 100644
--- a/src/win32.h
+++ b/src/win32.h
@@ -35,6 +35,7 @@ void  useExecutableIconResource_SDLWindow(SDL_Window *);
 void  enableDarkMode_SDLWindow(SDL_Window *);
 void  handleCommand_Win32(const char *cmd);
 iString *windowsDirectory_Win32(void);
+iString *tempDirectory_Win32(void);
 
 #if defined (LAGRANGE_ENABLE_CUSTOM_FRAME)
 iInt2 cursor_Win32(void);
-- 
2.34.1