[vdagent-win PATCH v2 4/6] Use always TCHAR to read string from registry

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

This is a preparation patch in order to factor out code to read
a string from registry.

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 vdagent/display_setting.cpp | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/vdagent/display_setting.cpp b/vdagent/display_setting.cpp
index 2b22144..cef3401 100644
--- a/vdagent/display_setting.cpp
+++ b/vdagent/display_setting.cpp
@@ -339,15 +339,15 @@ bool DisplaySetting::disable_font_smoothing()
 
 bool DisplaySetting::reload_font_smoothing(HKEY desktop_reg_key)
 {
-    CHAR smooth_value[4];
-    DWORD value_size = sizeof(smooth_value)-1;
+    TCHAR smooth_value[4];
+    DWORD value_size = sizeof(smooth_value)-sizeof(smooth_value[0]);
     DWORD value_type;
     LONG status;
     BOOL cur_font_smooth;
 
     vd_printf("");
-    status = RegQueryValueExA(desktop_reg_key, "FontSmoothing", NULL,
-                              &value_type, (LPBYTE)smooth_value, &value_size);
+    status = RegQueryValueEx(desktop_reg_key, TEXT("FontSmoothing"), NULL,
+                             &value_type, (LPBYTE)smooth_value, &value_size);
     if (status != ERROR_SUCCESS) {
         vd_printf("RegQueryValueEx(FontSmoothing) : fail %ld", status);
         return false;
@@ -358,15 +358,16 @@ bool DisplaySetting::reload_font_smoothing(HKEY desktop_reg_key)
         return false;
     }
 
+    value_size /= sizeof(smooth_value[0]);
     if (!value_size || smooth_value[value_size - 1] != '\0') {
         smooth_value[value_size] = '\0';
     }
 
-    if (strcmp(smooth_value, "0") == 0) {
+    if (_tcscmp(smooth_value, TEXT("0")) == 0) {
         vd_printf("font smoothing is disabled in registry. do nothing");
         return true;
-    } else if (strcmp(smooth_value, "2") != 0) {
-        vd_printf("unexpectd font smoothing value %s", smooth_value);
+    } else if (_tcscmp(smooth_value, TEXT("2")) != 0) {
+        vd_printf("unexpectd font smoothing value %ls", smooth_value);
         return false;
     }
 
@@ -412,8 +413,8 @@ bool DisplaySetting::disable_animation()
 bool DisplaySetting::reload_win_animation(HKEY desktop_reg_key)
 {
     HKEY win_metrics_hkey;
-    CHAR win_anim_value[4];
-    DWORD value_size = sizeof(win_anim_value)-1;
+    TCHAR win_anim_value[4];
+    DWORD value_size = sizeof(win_anim_value)-sizeof(win_anim_value[0]);
     DWORD value_type;
     LONG status;
     ANIMATIONINFO active_win_animation;
@@ -427,8 +428,8 @@ bool DisplaySetting::reload_win_animation(HKEY desktop_reg_key)
         return false;
     }
 
-    status = RegQueryValueExA(win_metrics_hkey, "MinAnimate", NULL,
-                              &value_type, (LPBYTE)win_anim_value, &value_size);
+    status = RegQueryValueEx(win_metrics_hkey, TEXT("MinAnimate"), NULL,
+                             &value_type, (LPBYTE)win_anim_value, &value_size);
     if (status != ERROR_SUCCESS) {
         vd_printf("RegQueryValueEx(MinAnimate) : fail %ld", status);
         RegCloseKey(win_metrics_hkey);
@@ -442,15 +443,16 @@ bool DisplaySetting::reload_win_animation(HKEY desktop_reg_key)
         return false;
     }
 
+    value_size /= sizeof(win_anim_value[0]);
     if (!value_size || win_anim_value[value_size - 1] != '\0') {
         win_anim_value[value_size] = '\0';
     }
 
-    if (!strcmp(win_anim_value, "0")) {
+    if (!_tcscmp(win_anim_value, TEXT("0"))) {
         vd_printf("window animation is disabled in registry. do nothing");
         return true;
-    }  else if (strcmp(win_anim_value, "1") != 0) {
-        vd_printf("unexpectd window animation value %s", win_anim_value);
+    }  else if (_tcscmp(win_anim_value, TEXT("1")) != 0) {
+        vd_printf("unexpectd window animation value %ls", win_anim_value);
         return false;
     }
     active_win_animation.cbSize = sizeof(ANIMATIONINFO);
-- 
2.17.0

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