1 files changed, 54 insertions, 15 deletions

diff --git a/core/logger.c b/core/logger.c
index 47182ce..015b84f 100644
--- a/core/logger.c
+++ b/core/logger.c
@@ -5,6 +5,7 @@
 // index:
 // [section] includes
 // [section] macros
+// [section] extern globals
 // [section] definitions
 
 // ----------------------------------------------------------------------------
@@ -21,8 +22,6 @@
 // ----------------------------------------------------------------------------
 // [section] macros
 // ----------------------------------------------------------------------------
-#define LOG_BUFFER_SIZE 0x800
-
 #define COLOR_CLEAR "\033[0m"
 #define COLOR_TRACE "\033[1;34m"
 #define COLOR_INFO "\033[1;32m"
@@ -33,13 +32,19 @@
 #define LEVEL_ATTENTION "ATTENTION"
 
 // ----------------------------------------------------------------------------
+// [section] extern globals
+// ----------------------------------------------------------------------------
+void (*log_trace)(const char *format, ...) = log_trace_to_stdout;
+void (*log_info)(const char *format, ...) = log_info_to_stdout;
+void (*log_attention)(const char *format, ...) = log_attention_to_stdout;
+
+// ----------------------------------------------------------------------------
 // [section] definitions
 // ----------------------------------------------------------------------------
-static void log_default(const char *color_code, const char *level, const char *format, va_list args) {
+static void log_to_buffer(char buffer[LOG_BUFFER_SIZE], const char *color_code, const char *level, const char *format, va_list args) {
     assert(level);
     assert(format);
 
-    char log_buffer[LOG_BUFFER_SIZE];
     struct timespec ts;
     clock_gettime(CLOCK_REALTIME, &ts);
     int msec = (int)(ts.tv_nsec / 1000000l);
@@ -47,7 +52,7 @@ static void log_default(const char *color_code, const char *level, const char *f
     pid_t pid = getpid();
 
     int rem = snprintf(
-        log_buffer,
+        buffer,
         LOG_BUFFER_SIZE,
         "\r%s%d-%02d-%02d %02d:%02d:%02d.%03d %07d [%s]%s ",
         color_code ? color_code : "",
@@ -63,36 +68,70 @@ static void log_default(const char *color_code, const char *level, const char *f
         color_code ? COLOR_CLEAR : ""
     );
 
-    vsnprintf(log_buffer + rem, LOG_BUFFER_SIZE - rem, format, args);
-    printf("%s\n", log_buffer);
-    fflush(stdout);
+    vsnprintf(buffer + rem, LOG_BUFFER_SIZE - rem, format, args);
 }
 
-void log_trace(const char *format, ...) {
+void log_trace_to_stdout(const char *format, ...) {
     assert(format);
+    (void)format;
 
 #if defined(LOG_TRACE)
     va_list args;
     va_start(args, format);
-    log_default(COLOR_TRACE, LEVEL_TRACE, format, args);
+    char buffer[LOG_BUFFER_SIZE];
+    log_to_buffer(buffer, COLOR_TRACE, LEVEL_TRACE, format, args);
+    printf("%s\n", buffer);
+    fflush(stdout);
+    va_end(args);
+#endif
+}
+
+void log_info_to_stdout(const char *format, ...) {
+    assert(format);
+    va_list args;
+    va_start(args, format);
+    char buffer[LOG_BUFFER_SIZE];
+    log_to_buffer(buffer, COLOR_INFO, LEVEL_INFO, format, args);
+    printf("%s\n", buffer);
+    fflush(stdout);
+    va_end(args);
+}
+
+void log_attention_to_stdout(const char *format, ...) {
+    assert(format);
+    va_list args;
+    va_start(args, format);
+    char buffer[LOG_BUFFER_SIZE];
+    log_to_buffer(buffer, COLOR_ATTENTION, LEVEL_ATTENTION, format, args);
+    printf("%s\n", buffer);
+    fflush(stdout);
     va_end(args);
-#else
+}
+
+void log_trace_to_buffer(char buffer[LOG_BUFFER_SIZE], const char *format, ...) {
+    assert(format);
     (void)format;
+
+#if defined(LOG_TRACE)
+    va_list args;
+    va_start(args, format);
+    log_to_buffer(buffer, NULL, LEVEL_TRACE, format, args);
+    va_end(args);
 #endif
 }
 
-void log_info(const char *format, ...) {
+void log_info_to_buffer(char buffer[LOG_BUFFER_SIZE], const char *format, ...) {
     assert(format);
     va_list args;
     va_start(args, format);
-    log_default(COLOR_INFO, LEVEL_INFO, format, args);
+    log_to_buffer(buffer, NULL, LEVEL_INFO, format, args);
     va_end(args);
 }
 
-void log_attention(const char *format, ...) {
+void log_attention_to_buffer(char buffer[LOG_BUFFER_SIZE], const char *format, ...) {
     assert(format);
     va_list args;
     va_start(args, format);
-    log_default(COLOR_ATTENTION, LEVEL_ATTENTION, format, args);
+    log_to_buffer(buffer, NULL, LEVEL_ATTENTION, format, args);
     va_end(args);
 }