From b195319ff65d00509d8550b03795045e67c30f25 Mon Sep 17 00:00:00 2001
From: VDm <vdm-dev@users.noreply.github.com>
Date: Tue, 20 Feb 2024 00:14:49 +0400
Subject: [PATCH] chore(log): add SLOG_FLAG_* flags

---
 storm/Log.cpp | 8 ++++----
 storm/Log.hpp | 8 ++++++++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/storm/Log.cpp b/storm/Log.cpp
index 6ab023a..3636243 100644
--- a/storm/Log.cpp
+++ b/storm/Log.cpp
@@ -305,7 +305,7 @@ static bool OpenLogFile(const char* filename, FILE** file, uint32_t flags) {
         char newfilename[STORM_MAX_PATH];
         PrependDefaultDir(newfilename, STORM_MAX_PATH, filename);
         CreateFileDirectory(newfilename);
-        *file = fopen(newfilename, (flags & 2) ? "a+" : "w+");
+        *file = fopen(newfilename, (flags & SLOG_FLAG_APPEND) ? "a" : "w");
         return (*file != nullptr);
     }
     return false;
@@ -438,12 +438,12 @@ int SLogCreate(const char* filename, uint32_t flags, HSLOG* log) {
 
     *log = 0;
 
-    if (flags & 2) {
+    if (flags & SLOG_FLAG_NO_FILE) {
         filename = "";
-        flags &= ~1u;
+        flags &= ~SLOG_FLAG_OPEN_FILE;
     }
 
-    if ((flags & 1) == 0 || OpenLogFile(filename, &file, flags)) {
+    if ((flags & SLOG_FLAG_OPEN_FILE) == 0 || OpenLogFile(filename, &file, flags)) {
         s_sequence = reinterpret_cast<HSLOG>(reinterpret_cast<size_t>(s_sequence) + 1);
         *log = s_sequence;
         LOG* result = LockLog(s_sequence, &lockedhandle, true);
diff --git a/storm/Log.hpp b/storm/Log.hpp
index fa6f66a..0935d0c 100644
--- a/storm/Log.hpp
+++ b/storm/Log.hpp
@@ -3,11 +3,19 @@
 
 
 #include <cstdarg>
+#include <cstdint>
 
 #include "storm/Common.hpp"
 #include "storm/String.hpp"
 
 
+enum : uint32_t {
+    SLOG_FLAG_DEFAULT   = 0, // Create or open log file with first SLogWrite() call
+    SLOG_FLAG_OPEN_FILE = 1, // Create or open log file with SLogCreate()
+    SLOG_FLAG_NO_FILE   = 2, // Don't use log file (use OutputDebugString or console only)
+    SLOG_FLAG_APPEND    = 4  // Don't truncate existing log file
+};
+
 DECLARE_STRICT_HANDLE(HSLOG);
 DECLARE_STRICT_HANDLE(HLOCKEDLOG);