From b652d327dc1c9ba51ab5f468278bf41c938e7aab Mon Sep 17 00:00:00 2001
From: Misa <infoteddy@infoteddy.info>
Date: Wed, 1 Sep 2021 14:11:23 -0700
Subject: [PATCH] Add debug logs

These are disabled by default, because they're noisy. To enable them,
pass -debug.
---
 desktop_version/src/Vlogging.c | 31 +++++++++++++++++++++++++++++++
 desktop_version/src/Vlogging.h |  4 ++++
 desktop_version/src/main.cpp   |  4 ++++
 3 files changed, 39 insertions(+)

diff --git a/desktop_version/src/Vlogging.c b/desktop_version/src/Vlogging.c
index c1da95f3..33f37977 100644
--- a/desktop_version/src/Vlogging.c
+++ b/desktop_version/src/Vlogging.c
@@ -22,9 +22,11 @@
 #define Color_BOLD COLOR("\x1b[1m")
 #define Color_BOLD_YELLOW COLOR("\x1b[1;33m")
 #define Color_BOLD_RED COLOR("\x1b[1;31m")
+#define Color_BOLD_GRAY COLOR("\x1b[1;90m")
 
 static int output_enabled = 1;
 static int color_enabled = 0;
+static int debug_enabled = 0;
 static int info_enabled = 1;
 static int warn_enabled = 1;
 static int error_enabled = 1;
@@ -61,6 +63,11 @@ void vlog_toggle_color(const int enable_color)
     color_enabled = enable_color;
 }
 
+void vlog_toggle_debug(const int enable_debug)
+{
+    debug_enabled = enable_debug;
+}
+
 void vlog_toggle_info(const int enable_info)
 {
     info_enabled = enable_info;
@@ -76,6 +83,30 @@ void vlog_toggle_error(const int enable_error)
     error_enabled = enable_error;
 }
 
+int vlog_debug(const char* text, ...)
+{
+    va_list list;
+    int retval;
+
+    if (!output_enabled || !debug_enabled)
+    {
+        return 0;
+    }
+
+    printf(Color_BOLD_GRAY);
+    printf("[DEBUG]");
+    printf(Color_RESET);
+    printf(" ");
+
+    va_start(list, text);
+    retval = vprintf(text, list);
+    va_end(list);
+
+    putchar('\n');
+
+    return retval;
+}
+
 int vlog_info(const char* text, ...)
 {
     va_list list;
diff --git a/desktop_version/src/Vlogging.h b/desktop_version/src/Vlogging.h
index 90ff9089..7d8cbef2 100644
--- a/desktop_version/src/Vlogging.h
+++ b/desktop_version/src/Vlogging.h
@@ -12,12 +12,16 @@ void vlog_toggle_output(int enable_output);
 
 void vlog_toggle_color(int enable_color);
 
+void vlog_toggle_debug(int enable_debug);
+
 void vlog_toggle_info(int enable_info);
 
 void vlog_toggle_warn(int enable_warn);
 
 void vlog_toggle_error(int enable_error);
 
+int vlog_debug(const char* text, ...);
+
 int vlog_info(const char* text, ...);
 
 int vlog_warn(const char* text, ...);
diff --git a/desktop_version/src/main.cpp b/desktop_version/src/main.cpp
index 2e9ba47d..02146edf 100644
--- a/desktop_version/src/main.cpp
+++ b/desktop_version/src/main.cpp
@@ -444,6 +444,10 @@ int main(int argc, char *argv[])
         {
             vlog_toggle_color(0);
         }
+        else if (ARG("-debug"))
+        {
+            vlog_toggle_debug(1);
+        }
         else if (ARG("-noinfo"))
         {
             vlog_toggle_info(0);