[client] windows: add native clang-cl build

Build the Windows client against the MSVC ABI while retaining clang
language support. Use vcpkg for ANGLE and libsamplerate, and build
MsQuic with its bundled static OpenSSL.

client/src/config.c

@@ -738,14 +738,14 @@ static bool optRendererParse(struct Option * opt, const char * str)
   if (!str)
     return false;
 
-  if (strcasecmp(str, "auto") == 0)
+  if (lg_strcasecmp(str, "auto") == 0)
   {
     g_params.forceRenderer = false;
     return true;
   }
 
   for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
-    if (strcasecmp(str, LG_Renderers[i]->getName()) == 0)
+    if (lg_strcasecmp(str, LG_Renderers[i]->getName()) == 0)
     {
       g_params.forceRenderer      = true;
       g_params.forceRendererIndex = i;
@@ -771,12 +771,12 @@ static StringList optRendererValues(struct Option * opt)
 static char * optRendererToString(struct Option * opt)
 {
   if (!g_params.forceRenderer)
-    return strdup("auto");
+    return lg_strdup("auto");
 
   if (g_params.forceRendererIndex >= LG_RENDERER_COUNT)
     return NULL;
 
-  return strdup(LG_Renderers[g_params.forceRendererIndex]->getName());
+  return lg_strdup(LG_Renderers[g_params.forceRendererIndex]->getName());
 }
 
 static bool parsePair(const char * str, long long * first, long long * second)
@@ -838,7 +838,7 @@ static StringList optPosValues(struct Option * opt)
 static char * optPosToString(struct Option * opt)
 {
   if (g_params.center)
-    return strdup("center");
+    return lg_strdup("center");
 
   int len = snprintf(NULL, 0, "%dx%d", g_params.x, g_params.y);
   char * str = malloc(len + 1);
@@ -919,7 +919,7 @@ static bool optScancodeParse(struct Option * opt, const char * str)
     if (!lg_keycode_to_name[i])
       continue;
 
-    if (strcasecmp(lg_keycode_to_name[i], str) == 0)
+    if (lg_strcasecmp(lg_keycode_to_name[i], str) == 0)
     {
       opt->value.x_int = i;
       return true;
@@ -981,11 +981,11 @@ static bool optMicDefaultParse(struct Option * opt, const char * str)
   if (!str)
     return false;
 
-  if (strcasecmp(str, "prompt") == 0)
+  if (lg_strcasecmp(str, "prompt") == 0)
     g_params.micDefaultState = MIC_DEFAULT_PROMPT;
-  else if (strcasecmp(str, "allow") == 0)
+  else if (lg_strcasecmp(str, "allow") == 0)
     g_params.micDefaultState = MIC_DEFAULT_ALLOW;
-  else if (strcasecmp(str, "deny") == 0)
+  else if (lg_strcasecmp(str, "deny") == 0)
     g_params.micDefaultState = MIC_DEFAULT_DENY;
   else
     return false;
@@ -1010,11 +1010,11 @@ static char * optMicDefaultToString(struct Option * opt)
   switch (g_params.micDefaultState)
   {
     case MIC_DEFAULT_PROMPT:
-      return strdup("prompt");
+      return lg_strdup("prompt");
     case MIC_DEFAULT_ALLOW:
-      return strdup("allow");
+      return lg_strdup("allow");
     case MIC_DEFAULT_DENY:
-      return strdup("deny");
+      return lg_strdup("deny");
   }
 
   return NULL;
@@ -1026,11 +1026,11 @@ static bool optAudioResamplerParse(
   if (!str)
     return false;
 
-  if (strcasecmp(str, "auto") == 0)
+  if (lg_strcasecmp(str, "auto") == 0)
     g_params.audioResampler = AUDIO_RESAMPLER_AUTO;
-  else if (strcasecmp(str, "libsamplerate") == 0)
+  else if (lg_strcasecmp(str, "libsamplerate") == 0)
     g_params.audioResampler = AUDIO_RESAMPLER_LIBSAMPLERATE;
-  else if (strcasecmp(str, "backend") == 0)
+  else if (lg_strcasecmp(str, "backend") == 0)
     g_params.audioResampler = AUDIO_RESAMPLER_BACKEND;
   else
     return false;
@@ -1055,11 +1055,11 @@ static char * optAudioResamplerToString(struct Option * opt)
   switch (g_params.audioResampler)
   {
     case AUDIO_RESAMPLER_AUTO:
-      return strdup("auto");
+      return lg_strdup("auto");
     case AUDIO_RESAMPLER_LIBSAMPLERATE:
-      return strdup("libsamplerate");
+      return lg_strdup("libsamplerate");
     case AUDIO_RESAMPLER_BACKEND:
-      return strdup("backend");
+      return lg_strdup("backend");
   }
 
   return NULL;

client/src/fallback.c

@@ -28,6 +28,7 @@
 #include "common/debug.h"
 #include "common/event.h"
 #include "common/locking.h"
+#include "common/stringutils.h"
 #include "common/thread.h"
 #include "common/util.h"
 
@@ -561,7 +562,7 @@ bool lgTransportFallback_start(const char * transportName,
   atomic_init(&fallback->usable, false);
   atomic_init(&fallback->videoAcceptingEvents, false);
 
-  fallback->transportName = strdup(transportName);
+  fallback->transportName = lg_strdup(transportName);
   if (!fallback->transportName)
     goto fail;
 

client/src/font.c

@@ -24,6 +24,7 @@
 #include "common/debug.h"
 #include "common/filesystem.h"
 #include "common/locking.h"
+#include "common/stringutils.h"
 
 #include "cimgui.h"
 
@@ -33,7 +34,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#if defined(__GNUC__)
+#if defined(__GNUC__) || defined(__clang__)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-function"
 #endif
@@ -43,7 +44,7 @@
 #define STBTT_STATIC
 #define STB_TRUETYPE_IMPLEMENTATION
 #include "repos/gui/cimgui/imgui/imstb_truetype.h"
-#if defined(__GNUC__)
+#if defined(__GNUC__) || defined(__clang__)
 #pragma GCC diagnostic pop
 #endif
 
@@ -360,7 +361,7 @@ static FontPlatformFaceResult uiFontAddFace(void * opaque,
     return FONT_PLATFORM_FACE_ERROR;
   }
 
-  char * fileCopy = strdup(file);
+  char * fileCopy = lg_strdup(file);
   if (!fileCopy ||
       !uiFontGlyphReserve(
         &UIFontResolved, UIFontResolved.count + glyphCount))

client/src/overlay/status.c

@@ -38,7 +38,7 @@ static OverlayImage l_image[LG_USER_STATUS_MAX] = { 0 };
 static bool         l_recordToggle;
 static double       l_scale = 1.0;
 
-static void status_loadImage(const char * data, unsigned int size,
+static void status_loadImage(const char * data, size_t size,
     OverlayImage * image, int width, int height)
 {
   overlayFreeImage(image);

client/src/overlay_utils.c

@@ -95,7 +95,7 @@ void overlayTextMaybeURL(const char * text, bool wrapped)
     igTextUnformatted(text, NULL);
 }
 
-bool overlayLoadSVG(const char * data, unsigned int size, OverlayImage * image,
+bool overlayLoadSVG(const char * data, size_t size, OverlayImage * image,
     int width, int height)
 {
   image->tex = NULL;