Reports the size of the allocated memory.

state.c

@@ -1009,6 +1009,8 @@ void state_read(struct snapraid_state* state)
 		printf("\tblock %u\n", count_block);
 		printf("\tsymlink %u\n", count_link);
 	}
+
+	printf("Using %u MiB of memory.\n", (unsigned)(malloc_counter() / 1024 / 1024));
 }
 
 void state_write(struct snapraid_state* state)

util.c

@@ -643,6 +643,13 @@ void pathslash(char* dst, size_t size)
 /****************************************************************************/
 /* mem */
 
+static size_t mcounter;
+
+size_t malloc_counter(void)
+{
+	return mcounter;
+}
+
 void* malloc_nofail(size_t size)
 {
 	void* ptr = malloc(size);
@@ -652,6 +659,8 @@ void* malloc_nofail(size_t size)
 		exit(EXIT_FAILURE);
 	}
 
+	mcounter += size;
+
 	return ptr;
 }
 

util.h

@@ -337,6 +337,11 @@ void pathslash(char* dst, size_t size);
 /****************************************************************************/
 /* memory */
 
+/**
+ * Return the size of the allocated memory.
+ */
+size_t malloc_counter(void);
+
 /**
  * Safe malloc.
  * If no memory is available, it aborts.