Tweaked general setup tracking allocator and added logger

qrcode/examples/examples.odin

@@ -1,39 +1,32 @@
 package examples
 
 import "core:fmt"
+import "core:log"
 import "core:mem"
 import "core:os"
 
 import qr ".."
 
 main :: proc() {
-	//----- Tracking allocator ----------------------------------
+	//----- General setup ----------------------------------
 	{
-		tracking_temp_allocator := false
 		// Temp
 		track_temp: mem.Tracking_Allocator
-		if tracking_temp_allocator {
-			mem.tracking_allocator_init(&track_temp, context.temp_allocator)
-			context.temp_allocator = mem.tracking_allocator(&track_temp)
-		}
+		mem.tracking_allocator_init(&track_temp, context.temp_allocator)
+		context.temp_allocator = mem.tracking_allocator(&track_temp)
+
 		// Default
 		track: mem.Tracking_Allocator
 		mem.tracking_allocator_init(&track, context.allocator)
 		context.allocator = mem.tracking_allocator(&track)
+		// Log a warning about any memory that was not freed by the end of the program.
+		// This could be fine for some global state or it could be a memory leak.
 		defer {
 			// Temp allocator
-			if tracking_temp_allocator {
-				if len(track_temp.allocation_map) > 0 {
-					fmt.eprintf("=== %v allocations not freed - temp allocator: ===\n", len(track_temp.allocation_map))
-					for _, entry in track_temp.allocation_map {
-						fmt.eprintf("- %v bytes @ %v\n", entry.size, entry.location)
-					}
-				}
-				if len(track_temp.bad_free_array) > 0 {
-					fmt.eprintf("=== %v incorrect frees - temp allocator: ===\n", len(track_temp.bad_free_array))
-					for entry in track_temp.bad_free_array {
-						fmt.eprintf("- %p @ %v\n", entry.memory, entry.location)
-					}
+			if len(track_temp.bad_free_array) > 0 {
+				fmt.eprintf("=== %v incorrect frees - temp allocator: ===\n", len(track_temp.bad_free_array))
+				for entry in track_temp.bad_free_array {
+					fmt.eprintf("- %p @ %v\n", entry.memory, entry.location)
 				}
 				mem.tracking_allocator_destroy(&track_temp)
 			}
@@ -52,6 +45,9 @@ main :: proc() {
 			}
 			mem.tracking_allocator_destroy(&track)
 		}
+		// Logger
+		context.logger = log.create_console_logger()
+		defer log.destroy_console_logger(context.logger)
 	}
 
 	args := os.args