refactor(log): move LogQueue andLogMessage to implementation file

Author: Grazen0

src/log.c

@@ -9,6 +9,23 @@
 #include <stdlib.h>
 #include <string.h>
 
+static constexpr size_t LOG_MESSAGE_CAPACITY = 256;
+
+typedef struct {
+    LogLevel level;
+    char text[LOG_MESSAGE_CAPACITY];
+} LogMessage;
+
+typedef struct {
+    size_t capacity;
+    LogMessage *messages;
+    size_t head;
+    size_t tail;
+    SDL_Mutex *mtx;
+    SDL_Condition *cond;
+    bool quit;
+} LogQueue;
+
 static bool logger_ready = false;
 static LogLevel active_log_level = LogLevel_Info;
 static SDL_Thread *logger_thread = nullptr;
@@ -65,6 +82,24 @@ static int logger_thread_fn([[maybe_unused]] void *const data)
     return 0;
 }
 
+bool LogLevel_from_str(const char *const str, LogLevel *const out)
+{
+    if (strcmp(str, "trace") == 0)
+        *out = LogLevel_Trace;
+    else if (strcmp(str, "debug") == 0)
+        *out = LogLevel_Debug;
+    else if (strcmp(str, "info") == 0)
+        *out = LogLevel_Info;
+    else if (strcmp(str, "warn") == 0)
+        *out = LogLevel_Warn;
+    else if (strcmp(str, "error") == 0)
+        *out = LogLevel_Error;
+    else
+        return false;
+
+    return true;
+}
+
 void logger_init(const LogLevel log_level)
 {
     active_log_level = log_level;

src/log.h

@@ -5,9 +5,6 @@
 #include <SDL3/SDL.h>
 #include <stdarg.h>
 #include <stddef.h>
-#include <stdio.h>
-
-static constexpr size_t LOG_MESSAGE_CAPACITY = 256;
 
 typedef enum : u8 {
     LogLevel_Trace = 4,
@@ -17,22 +14,19 @@ typedef enum : u8 {
     LogLevel_Error = 0,
 } LogLevel;
 
-typedef struct {
-    LogLevel level;
-    char text[LOG_MESSAGE_CAPACITY];
-} LogMessage;
-
-typedef struct {
-    size_t capacity;
-    LogMessage *messages;
-    size_t head;
-    size_t tail;
-    SDL_Mutex *mtx;
-    SDL_Condition *cond;
-    bool quit;
-} LogQueue;
-
-LogLevel LogLevel_from_str(const char *str);
+/**
+ * \brief Converts a human-readable log level string into a LogLevel variant.
+ *
+ * For example, "debug" is converted to LogLevel_Debug.
+ *
+ * \param str a non-null string to convert into a LogLevel variant.
+ * \param out the place to store the result at.
+ *
+ * \return whether the conversion was successful or not.
+ *
+ * \sa LogLevel
+ */
+bool LogLevel_from_str(const char *str, LogLevel *out);
 
 /**
  * \brief Initializes logging.