Add some documentation to arena.h, fix simplearena_clear not being declared

1 files changed, 2 insertions, 4 deletions

diff --git a/src/arena.c b/src/arena.c
index de3523b..07c28dc 100644
--- a/src/arena.c
+++ b/src/arena.c
@@ -51,6 +51,8 @@ arenanode * arenanode_init(size_t bytes) {
 arena * arena_init(size_t bytes) {
     if(!ISPOWOF2(MEM_ALIGN_BYTES))
         XALLOC_EXIT("<arena_init> \"MEM_ALIGN_BYTES\" is not a power of 2. Refusing to create a new arena", );
+    if(bytes < 1)
+        RETURNWERR(EINVAL, NULL);
 
     arena *a = VALLOC(1, sizeof(arena));
     if(!a)
@@ -142,10 +144,6 @@ int arena_clear(arena **arena) {
 
 
 
-// Simple Arena is an arena that can't expand whenever allocating memory, meaning what you originally allocated is what you get
-
-typedef arena simplearena;
-
 simplearena * simplearena_init(size_t bytes) {
     return arena_init(bytes);
 }