more hashes fixed

12 files changed, 415 insertions, 129 deletions

diff --git a/docs/crypto.md b/docs/crypto.md
index 3f7b3f1..90167df 100644
--- a/docs/crypto.md
+++ b/docs/crypto.md
@@ -10,6 +10,8 @@ but bad for big files. because of this, i decided not to support inputs over 2^6
 insane amount anyways). i likely will go back and rewrite all of these to fix both of these issues.
 anything marked with % is fixed, 
 
+remaining to fix (inc. variants): 24
+
 |name|out len|other args|extra|
 |--|--|--|--|
 | % adler32 | 32 | nil | |
@@ -24,9 +26,9 @@ anything marked with % is fixed,
 | % crc8 | 8 | nil | |
 | % crc16 | 16 | nil | |
 | % crc32 | 32 | nil | |
-| fletcher8 | 8 | nil | |
-| fletcher16 | 16 | nil | |
-| fletcher32 | 32 | nil | |
+| % fletcher8 | 8 | nil | |
+| % fletcher16 | 16 | nil | |
+| % fletcher32 | 32 | nil | |
 | sysvchecksum | 32 | nil | |
 | xor8 | 8 | nil | |
 | buzhash8 | 8 | nil | use setbuzhash(table) to change table (will affect all buzhash functions), does not support updating |
@@ -35,33 +37,33 @@ anything marked with % is fixed,
 | cityhash64 | 64 | nil | ^ |
 | cityhash128 | 128 | nil | ^ |
 | md5 | 128 | nil | |
-| djb2 | 64 | nil | |
-| farmhash32 | 32 | nil | |
-| farmhash64 | 64 | nil | |
-| fasthash32 | 32 | *seed | |
-| fasthash64 | 64 | *seed | |
-| fnv_0 | 64 | nil | |
-| fnv_1 | 64 | nil | |
-| fnv_a | 64 | nil | |
-| oaat | 32 | nil | |
-| lostlose | 64 | nil | |
-| metrohash64_v1 | 64 | *seed | |
-| metrohash64_v2 | 64 | *seed | |
-| metrohash128_v1 | 128 | *seed | |
-| metrohash128_v2 | 128 | *seed | |
-| murmur1_32 | 32 | *seed | |
-| murmur2_32 | 32 | *seed | |
+| % djb2 | 64 | nil | |
+| farmhash32 | 32 | nil | does not support updating|
+| farmhash64 | 64 | nil | ^|
+| fasthash32 | 32 | *seed | ^|
+| fasthash64 | 64 | *seed | ^|
+| % fnv_0 | 64 | nil | |
+| % fnv_1 | 64 | nil | |
+| % fnv_a | 64 | nil | |
+| % oaat | 32 | nil | |
+| loselose | 64 | nil | |
+| metrohash64_v1 | 64 | *seed | does not support updating|
+| metrohash64_v2 | 64 | *seed | ^|
+| metrohash128_v1 | 128 | *seed | ^|
+| metrohash128_v2 | 128 | *seed | ^|
+| murmur1_32 | 32 | *seed | ^|
+| murmur2_32 | 32 | *seed | ^|
 | pjw | 32 | *seed | |
 | sdbm | 64 | nil | |
 | sha512 | 512 | nil | |
 | sha384 | 384 | nil | |
 | sha512_t | length of arg 2 | t (bit length) | bit length range is 0 < t <= 512 (this isnt checked, and it should accept any value) |
-| spookyhash128_v1 | 128 | *seed | |
-| spookyhash128_v2 | 128 | *seed | |
-| spookyhash64_v1 | 64 | *seed | |
-| spookyhash64_v2 | 64 | *seed | |
-| spookyhash32_v1 | 32 | *seed | |
-| spookyhash32_v2 | 32 | *seed | |
+| spookyhash128_v1 | 128 | *seed | does not support updating|
+| spookyhash128_v2 | 128 | *seed | ^|
+| spookyhash64_v1 | 64 | *seed | ^|
+| spookyhash64_v2 | 64 | *seed | ^|
+| spookyhash32_v1 | 32 | *seed | ^|
+| spookyhash32_v2 | 32 | *seed | ^|
 | blake2b | length of arg 2 * 8 | *output len (default is 64), *key | |
 | blake2s | length of arg 2 * 8 | *output len (default is 32), *key | |
 | blake256 | 256 | nil | |
@@ -87,6 +89,9 @@ local hash = llib.crypto.adler32_final(obj) --043c01b9
 obj = llib.crypto.adler32()
 obj:update("meow")
 hash = obj:final() --043c01b9s (the same)
+
+--and of course, the single function method still works too (will still do init-update-final in the backend)
+hash = llib.crypto.adler32("meow") --043c01b9s (the same)
 ```
 
 ## en/decoding
diff --git a/src/crypto.h b/src/crypto.h
index 8bda7c5..33fd5da 100644
--- a/src/crypto.h
+++ b/src/crypto.h
@@ -39,8 +39,10 @@ unsigned rotr32(unsigned, unsigned);
 uint64_t rotl64(uint64_t, uint64_t);
 uint64_t rotr64(uint64_t, uint64_t);
 
-#define common_hash_init_update(hashname)\
- int l_##hashname##_init(lua_State* L){\
+#define common_hash_init_update(hashname) lua_common_hash_init_update(hashname, hashname)
+#define lua_common_hash_init_update(hashname, luaname) lua_common_hash_init(hashname, luaname) lua_common_hash_update(hashname, luaname)
+#define lua_common_hash_init(hashname, luaname)\
+ int l_##luaname##_init(lua_State* L){\
   lua_newtable(L);\
   int t = lua_gettop(L);\
   \
@@ -49,14 +51,33 @@ uint64_t rotr64(uint64_t, uint64_t);
   *a = hashname##_init();\
   \
   luaI_tsetv(L, t, "ud", ud);\
-  luaI_tsetcf(L, t, "update", l_##hashname##_update);\
-  luaI_tsetcf(L, t, "final", l_##hashname##_final);\
+  luaI_tsetcf(L, t, "update", l_##luaname##_update);\
+  luaI_tsetcf(L, t, "final", l_##luaname##_final);\
   \
   lua_pushvalue(L, t);\
   return 1;\
 }\
-\
-int l_##hashname##_update(lua_State* L){\
+
+#define lua_common_hash_init_warg(hashname, luaname, hcode, arg)\
+ int l_##luaname##_init(lua_State* L){\
+  hcode;\
+  lua_newtable(L);\
+  int t = lua_gettop(L);\
+  \
+  struct hashname##_hash* a = (struct hashname##_hash*)lua_newuserdata(L, sizeof * a);\
+  int ud = lua_gettop(L);\
+  *a = hashname##_init(arg);\
+  \
+  luaI_tsetv(L, t, "ud", ud);\
+  luaI_tsetcf(L, t, "update", l_##luaname##_update);\
+  luaI_tsetcf(L, t, "final", l_##luaname##_final);\
+  \
+  lua_pushvalue(L, t);\
+  return 1;\
+}\
+
+#define lua_common_hash_update(hashname, luaname)\
+int l_##luaname##_update(lua_State* L){\
   lua_pushstring(L, "ud");\
   lua_gettable(L, 1);\
   \
@@ -76,11 +97,11 @@ static const luaL_Reg crypto_function_list [] = {
       {"xxh32",l_xxh32},  {"fletcher8",l_fletcher8},
       {"fletcher16",l_fletcher16}, {"fletcher32",l_fletcher32},
       {"sysvchecksum",l_sysvchecksum}, {"xor8",l_xor8}, {"setbuzhash",l_setbuzhash},
-       {"cityhash32", l_cityhash32},
+      {"cityhash32", l_cityhash32},
       {"cityhash64", l_cityhash64}, {"cityhash128", l_cityhash128}, {"md5",l_md5},
-      {"djb2", l_djb2}, {"farmhash32", l_farmhash32}, {"farmhash64", l_farmhash64},
-      {"fasthash32", l_fasthash32}, {"fasthash64", l_fasthash64}, {"fnv_0", l_fnv_0},
-      {"fnv_1", l_fnv_1}, {"fnv_a", l_fnv_a}, {"oaat", l_oaat}, {"loselose", l_loselose},
+      {"farmhash32", l_farmhash32}, {"farmhash64", l_farmhash64},
+      {"fasthash32", l_fasthash32}, {"fasthash64", l_fasthash64},
+      {"loselose", l_loselose},
       {"metrohash64_v1", l_metrohash64_v1}, {"metrohash64_v2", l_metrohash64_v2},
       {"metrohash128_v1", l_metrohash128_v1}, {"metrohash128_v2", l_metrohash128_v2},
       {"murmur1_32", l_murmur1_32}, {"murmur2_32", l_murmur2_32}, {"pjw", l_pjw},
@@ -97,7 +118,15 @@ static const luaL_Reg crypto_function_list [] = {
       {"crc8",l_crc8}, {"crc8_init",l_crc8_init}, {"crc8_update",l_crc8_update}, {"crc8_final",l_crc8_final},
       {"crc16",l_crc16}, {"crc16_init",l_crc16_init}, {"crc16_update",l_crc16_update}, {"crc16_final",l_crc16_final},
       {"crc32",l_crc32}, {"crc32_init",l_crc32_init}, {"crc32_update",l_crc32_update}, {"crc32_final",l_crc32_final},
-
+      {"djb2", l_djb2}, {"djb2_init", l_djb2_init}, {"djb2_update", l_djb2_update}, {"djb2_final", l_djb2_final},
+      {"fletcher8",l_fletcher8}, {"fletcher8_init",l_fletcher8_init}, {"fletcher8_update",l_fletcher8_update}, {"fletcher8_final",l_fletcher8_final},
+      {"fletcher16",l_fletcher16}, {"fletcher16_init",l_fletcher16_init}, {"fletcher16_update",l_fletcher16_update}, {"fletcher16_final",l_fletcher16_final},
+      {"fletcher32",l_fletcher32}, {"fletcher32_init",l_fletcher32_init}, {"fletcher32_update",l_fletcher32_update}, {"fletcher32_final",l_fletcher32_final},
+      {"fnv_0", l_fnv_0}, {"fnv_0_init", l_fnv_0_init}, {"fnv_0_update", l_fnv_0_update}, {"fnv_0_final", l_fnv_0_final},
+      {"fnv_1", l_fnv_1}, {"fnv_1_init", l_fnv_1_init}, {"fnv_1_update", l_fnv_1_update}, {"fnv_1_final", l_fnv_1_final},
+      {"fnv_a", l_fnv_a}, {"fnv_a_init", l_fnv_a_init}, {"fnv_a_update", l_fnv_a_update}, {"fnv_a_final", l_fnv_a_final},
+      {"oaat", l_oaat}, {"oaat_init", l_oaat_init}, {"oaat_update", l_oaat_update}, {"oaat_final", l_oaat_final},
+      
       {"uuencode",l_uuencode},
       {"uudecode",l_uudecode},
 
diff --git a/src/hash/djb2.c b/src/hash/djb2.c
index 89f3a00..cd1fb2a 100644
--- a/src/hash/djb2.c
+++ b/src/hash/djb2.c
@@ -2,18 +2,43 @@
 #include <stdio.h>
 #include <stdint.h>
 
-uint32_t djb2(uint8_t* in, size_t len){
-    uint32_t hash = 5381;
+struct djb2_hash djb2_init(){
+  return (struct djb2_hash){.hash = 5381};
+}
+
+void djb2_update(uint8_t * in, size_t len, struct djb2_hash * hash){
+  for(int i = 0; i != len; i++){
+    hash->hash = ((hash->hash << 5) + hash->hash) + (uint32_t)*in;
+    in++;
+  }
+}
+
+uint32_t djb2_final(struct djb2_hash * hash){
+  return hash->hash;
+}
+
+uint32_t djb2(uint8_t * in, size_t len){
+  struct djb2_hash a = djb2_init();
+  djb2_update(in, len, &a);
+  return djb2_final(&a);
+}
+
+common_hash_init_update(djb2);
 
-    for(int i = 0; i != len; i++){
-        hash = ((hash << 5) + hash) + (uint32_t)*in;
-        in++;
-    }
+int l_djb2_final(lua_State* L){
+  lua_pushstring(L, "ud");
+  lua_gettable(L, 1);
 
-    return hash;
+  struct djb2_hash* a = (struct djb2_hash*)lua_touserdata(L, -1);
+  uint32_t u = djb2_final(a);
+  char digest[64];
+  sprintf(digest,"%08x",u);
+  lua_pushstring(L, digest);
+  return 1;
 }
 
 int l_djb2(lua_State* L){ 
+  if(lua_gettop(L) == 0) return l_djb2_init(L);
   size_t len = 0;
   uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
   
diff --git a/src/hash/djb2.h b/src/hash/djb2.h
index ab0d20f..d944d11 100644
--- a/src/hash/djb2.h
+++ b/src/hash/djb2.h
@@ -1,5 +1,16 @@
 #include "../lua.h"
 #include <stdint.h>
 
+struct djb2_hash {
+    uint32_t hash;
+};
+
+struct djb2_hash djb2_init();
+void djb2_update(uint8_t*, size_t, struct djb2_hash*);
+uint32_t djb2_final(struct djb2_hash*);
 uint32_t djb2(uint8_t*, size_t);
+
 int l_djb2(lua_State*);
+int l_djb2_init(lua_State*);
+int l_djb2_update(lua_State*);
+int l_djb2_final(lua_State*);
diff --git a/src/hash/fletcher.c b/src/hash/fletcher.c
index 0d82fd0..1ab1857 100644
--- a/src/hash/fletcher.c
+++ b/src/hash/fletcher.c
@@ -2,44 +2,117 @@
 #include <stdio.h>
 #include <stdint.h>
 
-uint8_t i_fletcher8(uint8_t *aa, size_t len){
-    uint8_t s1 = 0, s2 = 0;
+struct fletcher8_hash fletcher8_init(){
+  return (struct fletcher8_hash){.s1 = 0, .s2 = 0};
+}
+
+void fletcher8_update(uint8_t *aa, size_t len, struct fletcher8_hash *hash){
+  for(int i = 0; i != len; i++){
+      hash->s1 = (hash->s1 + aa[i]) % 15;
+      hash->s2 = (hash->s2 + hash->s1) % 15;
+  }
+}
+
+uint8_t fletcher8_final(struct fletcher8_hash *hash){
+  return (hash->s2 << 4) | hash->s1;
+}
+
+uint8_t fletcher8(uint8_t *aa, size_t len){
+  struct fletcher8_hash a = fletcher8_init();
+  fletcher8_update(aa, len, &a);
+  return fletcher8_final(&a);
+}
+
+struct fletcher16_hash fletcher16_init(){
+  return (struct fletcher16_hash){.s1 = 0, .s2 = 0};
+}
+
+void fletcher16_update(uint8_t *aa, size_t len, struct fletcher16_hash *hash){
+  for(int i = 0; i != len; i++){
+      hash->s1 = (hash->s1 + aa[i]) % 255;
+      hash->s2 = (hash->s2 + hash->s1) % 255;
+  }
+}
+
+uint16_t fletcher16_final(struct fletcher16_hash *hash){
+  return (hash->s2 << 8) | hash->s1;
+}
+
+uint16_t fletcher16(uint8_t *aa, size_t len){
+  struct fletcher16_hash a = fletcher16_init();
+  fletcher16_update(aa, len, &a);
+  return fletcher16_final(&a);
+}
+
+struct fletcher32_hash fletcher32_init(){
+  return (struct fletcher32_hash){.s1 = 0, .s2 = 0};
+}
+
+void fletcher32_update(uint8_t *aa, size_t len, struct fletcher32_hash *hash){
+  for(int i = 0; i != len; i++){
+      hash->s1 = (hash->s1 + aa[i]) % 65535;
+      hash->s2 = (hash->s2 + hash->s1) % 65535;
+  }
+}
+
+uint32_t fletcher32_final(struct fletcher32_hash *hash){
+  return (hash->s2 << 16) | hash->s1;
+}
+
+uint32_t fletcher32(uint8_t *aa, size_t len){
+  struct fletcher32_hash a = fletcher32_init();
+  fletcher32_update(aa, len, &a);
+  return fletcher32_final(&a);
+}
+
+common_hash_init_update(fletcher8);
+common_hash_init_update(fletcher16);
+common_hash_init_update(fletcher32);
+
+int l_fletcher8_final(lua_State* L){
+  lua_pushstring(L, "ud");
+  lua_gettable(L, 1);
 
-    for(int i = 0; i != len; i++){
-        s1 = (s1 + aa[i]) % 15;
-        s2 = (s2 + s1) % 15;
-    }
-    return (s2 << 4) | s1;
+  struct fletcher8_hash* a = (struct fletcher8_hash*)lua_touserdata(L, -1);
+  uint8_t u = fletcher8_final(a);
+  char digest[8];
+  sprintf(digest,"%02x",u);
+  lua_pushstring(L, digest);
+  return 1;
 }
 
-uint16_t i_fletcher16(uint8_t *aa, size_t len){
-    uint16_t s1 = 0, s2 = 0;
+int l_fletcher16_final(lua_State* L){
+  lua_pushstring(L, "ud");
+  lua_gettable(L, 1);
 
-    for(int i = 0; i != len; i++){
-        s1 = (s1 + aa[i]) % 255;
-        s2 = (s2 + s1) % 255;
-    }
-    return (s2 << 8) | s1;
+  struct fletcher16_hash* a = (struct fletcher16_hash*)lua_touserdata(L, -1);
+  uint16_t u = fletcher16_final(a);
+  char digest[16];
+  sprintf(digest,"%04x",u);
+  lua_pushstring(L, digest);
+  return 1;
 }
 
-uint32_t i_fletcher32(uint8_t *aa, size_t len){
-    uint32_t s1 = 0, s2 = 0;
+int l_fletcher32_final(lua_State* L){
+  lua_pushstring(L, "ud");
+  lua_gettable(L, 1);
 
-    for(int i = 0; i != len; i++){
-        s1 = (s1 + aa[i]) % 65535;
-        s2 = (s2 + s1) % 65535;
-    }
-    return (s2 << 16) | s1;
+  struct fletcher32_hash* a = (struct fletcher32_hash*)lua_touserdata(L, -1);
+  uint32_t u = fletcher32_final(a);
+  char digest[32];
+  sprintf(digest,"%08x",u);
+  lua_pushstring(L, digest);
+  return 1;
 }
 
 int l_fletcher32(lua_State* L){
-  
+  if(lua_gettop(L) == 0) return l_fletcher32_init(L);
   size_t len = 0;
   uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
   
   char digest[32];
 
-  uint32_t u = i_fletcher32(a, len);
+  uint32_t u = fletcher32(a, len);
   sprintf(digest,"%08x",u);
   lua_pushstring(L, digest);
 
@@ -47,13 +120,13 @@ int l_fletcher32(lua_State* L){
 }
 
 int l_fletcher16(lua_State* L){
-  
+  if(lua_gettop(L) == 0) return l_fletcher16_init(L);
   size_t len = 0;
   uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
   
   char digest[16];
 
-  uint16_t u = i_fletcher16(a, len);
+  uint16_t u = fletcher16(a, len);
   sprintf(digest,"%04x",u);
   lua_pushstring(L, digest);
 
@@ -61,13 +134,13 @@ int l_fletcher16(lua_State* L){
 }
 
 int l_fletcher8(lua_State* L){
-  
+  if(lua_gettop(L) == 0) return l_fletcher8_init(L);
   size_t len = 0;
   uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
   
   char digest[8];
 
-  uint8_t u = i_fletcher8(a, len);
+  uint8_t u = fletcher8(a, len);
   sprintf(digest,"%02x",u);
   lua_pushstring(L, digest);
 
diff --git a/src/hash/fletcher.h b/src/hash/fletcher.h
index c77bce4..d66692f 100644
--- a/src/hash/fletcher.h
+++ b/src/hash/fletcher.h
@@ -1,33 +1,44 @@
 #include "../lua.h"
 #include <stdint.h>
 
-/**
- * calculates a fletcher hash of (len) bytes
- *
- * @param {uint8_t*} input bytes
- * @param {size_t} input length
- * @return {uint8_t} 8 bit hash
-*/
-uint8_t i_fletcher8(uint8_t*,size_t);
-
-/**
- * calculates a fletcher hash of (len) bytes
- *
- * @param {uint8_t*} input bytes
- * @param {size_t} input length
- * @return {uint16_t} 16 bit checksum
-*/
-uint16_t i_fletcher16(uint8_t*,size_t);
-
-/**
- * calculates a fletcher hash of (len) bytes
- *
- * @param {uint8_t*} input bytes
- * @param {size_t} input length
- * @return {uint32_t} 32 bit checksum
-*/
-uint32_t i_fletcher32(uint8_t*,size_t);
+struct fletcher8_hash {
+    uint8_t s1, s2;
+};
+
+struct fletcher16_hash {
+    uint16_t s1, s2;
+};
+
+struct fletcher32_hash {
+    uint32_t s1, s2;
+};
+
+uint8_t fletcher8(uint8_t*,size_t);
+struct fletcher8_hash fletcher8_init();
+void fletcher8_update(uint8_t*, size_t, struct fletcher8_hash*);
+uint8_t fletcher8_final(struct fletcher8_hash*);
+
+uint16_t fletcher16(uint8_t*,size_t);
+struct fletcher16_hash fletcher16_init();
+void fletcher16_update(uint8_t*, size_t, struct fletcher16_hash*);
+uint16_t fletcher16_final(struct fletcher16_hash*);
+
+uint32_t fletcher32(uint8_t*,size_t);
+struct fletcher32_hash fletcher32_init();
+void fletcher32_update(uint8_t*, size_t, struct fletcher32_hash*);
+uint32_t fletcher32_final(struct fletcher32_hash*);
 
 int l_fletcher32(lua_State*);
+int l_fletcher32_init(lua_State*);
+int l_fletcher32_update(lua_State*);
+int l_fletcher32_final(lua_State*);
+
 int l_fletcher16(lua_State*);
+int l_fletcher16_init(lua_State*);
+int l_fletcher16_update(lua_State*);
+int l_fletcher16_final(lua_State*);
+
 int l_fletcher8(lua_State*);
+int l_fletcher8_init(lua_State*);
+int l_fletcher8_update(lua_State*);
+int l_fletcher8_final(lua_State*);
\ No newline at end of file
diff --git a/src/hash/fnv.c b/src/hash/fnv.c
index 9d5c646..e0fc981 100644
--- a/src/hash/fnv.c
+++ b/src/hash/fnv.c
@@ -3,29 +3,65 @@
 #include <stdio.h>
 #include <stdint.h>
 
+struct fnv_1_hash fnv_1_init(enum fnv_version A){
+  return (struct fnv_1_hash){.A = A, .hash = (A != v_0) * 0xcbf29ce484222325};
+}
 
-uint64_t fnv_1(uint8_t* in, size_t len, enum fnv_version A){
-    uint64_t hash = (A != v_0) * 0xcbf29ce484222325;
-    uint64_t prime = 0x100000001b3;
-
-    for(int i = 0; i != len; i++){
-        switch(A){
-            case v_1:
-            case v_0:
-                hash *= prime;
-                hash ^= in[i];
-                break;
-            case v_a:
-                hash ^= in[i];
-                hash *= prime;
-                break;
-        }
+void fnv_1_update(uint8_t* in, size_t len, struct fnv_1_hash* hash){
+  uint64_t prime = 0x100000001b3;
+
+  for(int i = 0; i != len; i++){
+    switch(hash->A){
+      case v_1:
+      case v_0:
+        hash->hash *= prime;
+        hash->hash ^= in[i];
+        break;
+      case v_a:
+        hash->hash ^= in[i];
+        hash->hash *= prime;
+        break;
     }
+  }
+}
+
+uint64_t fnv_1_final(struct fnv_1_hash* hash){
+  return hash->hash;
+}
 
-    return hash;
+uint64_t fnv_1(uint8_t* in, size_t len, enum fnv_version A){
+  struct fnv_1_hash a = fnv_1_init(A);
+  fnv_1_update(in, len, &a);
+  return fnv_1_final(&a);
+}
+
+lua_common_hash_update(fnv_1, fnv_1);
+lua_common_hash_update(fnv_1, fnv_0);
+lua_common_hash_update(fnv_1, fnv_a);
+
+lua_common_hash_init_warg(fnv_1, fnv_1, ;, v_1);
+lua_common_hash_init_warg(fnv_1, fnv_0, ;, v_0);
+lua_common_hash_init_warg(fnv_1, fnv_a, ;, v_a);
+
+#define aaa(v)\
+int l_fnv_##v##_final(lua_State* L){\
+  lua_pushstring(L, "ud");\
+  lua_gettable(L, 1);\
+\
+  struct fnv_1_hash* a = (struct fnv_1_hash*)lua_touserdata(L, -1);\
+  uint64_t u = fnv_1_final(a);\
+  char digest[64];\
+  sprintf(digest,"%16llx",u);\
+  lua_pushstring(L, digest);\
+  return 1;\
 }
 
-int l_fnv_0(lua_State* L){ 
+aaa(0);
+aaa(1);
+aaa(a);
+
+int l_fnv_0(lua_State* L){
+  if(lua_gettop(L) == 0) return l_fnv_0_init(L);
   size_t len = 0;
   uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
 
@@ -38,6 +74,7 @@ int l_fnv_0(lua_State* L){
 }
 
 int l_fnv_1(lua_State* L){ 
+  if(lua_gettop(L) == 0) return l_fnv_1_init(L);
   size_t len = 0;
   uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
 
@@ -50,6 +87,7 @@ int l_fnv_1(lua_State* L){
 }
 
 int l_fnv_a(lua_State* L){ 
+  if(lua_gettop(L) == 0) return l_fnv_a_init(L);
   size_t len = 0;
   uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
 
diff --git a/src/hash/fnv.h b/src/hash/fnv.h
index 74f1722..a4299c9 100644
--- a/src/hash/fnv.h
+++ b/src/hash/fnv.h
@@ -5,8 +5,27 @@ enum fnv_version {
     v_1, v_a, v_0
 };
 
+struct fnv_1_hash {
+  enum fnv_version A;
+  uint64_t hash;
+};
+
 uint64_t fnv_1(uint8_t*, size_t, enum fnv_version);
+struct fnv_1_hash fnv_1_init(enum fnv_version);
+void fnv_1_update(uint8_t*, size_t, struct fnv_1_hash*);
+uint64_t fnv_1_final(struct fnv_1_hash*);
 
 int l_fnv_1(lua_State*);
+int l_fnv_1_init(lua_State*);
+int l_fnv_1_update(lua_State*);
+int l_fnv_1_final(lua_State*);
+
 int l_fnv_a(lua_State*);
+int l_fnv_a_init(lua_State*);
+int l_fnv_a_update(lua_State*);
+int l_fnv_a_final(lua_State*);
+
 int l_fnv_0(lua_State*);
+int l_fnv_0_init(lua_State*);
+int l_fnv_0_update(lua_State*);
+int l_fnv_0_final(lua_State*);
diff --git a/src/hash/jenkins.c b/src/hash/jenkins.c
index a08f526..6daf831 100644
--- a/src/hash/jenkins.c
+++ b/src/hash/jenkins.c
@@ -3,22 +3,49 @@
 #include <stdio.h>
 #include <stdint.h>
 
+struct jenkins_oaat_hash jenkins_oaat_init(){
+  return (struct jenkins_oaat_hash){.hash = 0};
+}
+
+void jenkins_oaat_update(uint8_t* in, size_t len, struct jenkins_oaat_hash* hash){
+  for(int i = 0; i != len;){
+    hash->hash += in[i++];
+    hash->hash += hash->hash << 10;
+    hash->hash ^= hash->hash >> 6;
+  }
+}
+
+uint32_t jenkins_oaat_final(struct jenkins_oaat_hash* hash){
+  hash->hash += hash->hash << 3;
+  hash->hash ^= hash->hash >> 11;
+  hash->hash += hash->hash << 15;
+
+  return hash->hash;
+}
+
+
 uint32_t jenkins_oaat(uint8_t* in, size_t len){
-    uint32_t hash = 0;
-
-    for(int i = 0; i != len;){
-        hash += in[i++];
-        hash += hash << 10;
-        hash ^= hash >> 6;
-    }
-    hash += hash << 3;
-    hash ^= hash >> 11;
-    hash += hash << 15;
-
-    return hash;
+  struct jenkins_oaat_hash a = jenkins_oaat_init();
+  jenkins_oaat_update(in, len, &a);
+  return jenkins_oaat_final(&a);
+}
+
+lua_common_hash_init_update(jenkins_oaat, oaat);
+
+int l_oaat_final(lua_State* L){
+  lua_pushstring(L, "ud");
+  lua_gettable(L, 1);
+
+  struct jenkins_oaat_hash* a = (struct jenkins_oaat_hash*)lua_touserdata(L, -1);
+  uint32_t u = jenkins_oaat_final(a);
+  char digest[64];
+  sprintf(digest,"%04x",u);
+  lua_pushstring(L, digest);
+  return 1;
 }
 
 int l_oaat(lua_State* L){ 
+  if(lua_gettop(L) == 0) return l_oaat_init(L);
   size_t len = 0;
   uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
 
diff --git a/src/hash/jenkins.h b/src/hash/jenkins.h
index d295896..9b5b465 100644
--- a/src/hash/jenkins.h
+++ b/src/hash/jenkins.h
@@ -1,5 +1,16 @@
 #include "../lua.h"
 #include <stdint.h>
 
+struct jenkins_oaat_hash {
+  uint32_t hash;
+};
+
 uint32_t jenkins_oaat(uint8_t* in, size_t len);
+struct jenkins_oaat_hash jenkins_oaat_init();
+void jenkins_oaat_update(uint8_t*, size_t, struct jenkins_oaat_hash*);
+uint32_t jenkins_oaat_final(struct jenkins_oaat_hash*);
+
 int l_oaat(lua_State*);
+int l_oaat_init(lua_State*);
+int l_oaat_update(lua_State*);
+int l_oaat_final(lua_State*);
diff --git a/src/net.c b/src/net.c
index c829ead..103f164 100644
--- a/src/net.c
+++ b/src/net.c
@@ -79,7 +79,6 @@ int64_t recv_full_buffer(int client_fd, char** _buffer, int* header_eof, int* st
     if(*header_eof == -1 && (header = strstr(buffer, "\r\n\r\n")) != NULL){

       *header_eof = header - buffer;

       char* cont_len_raw = strstr(buffer, "Content-Length: ");

-      //printf("%s\n", buffer);

       

       if(cont_len_raw == NULL) {

         len += n;

@@ -111,7 +110,6 @@ int64_t recv_full_buffer(int client_fd, char** _buffer, int* header_eof, int* st
 

     if(content_len != -1 && len - *header_eof - 4 >= content_len) break;

   }

-  //printf("%li\n%li",len, content_len + *header_eof + 4);

   *_buffer = buffer;

   return len;

 }

diff --git a/tests/hash.lua b/tests/hash.lua
index ca96f34..c994312 100644
--- a/tests/hash.lua
+++ b/tests/hash.lua
@@ -1,9 +1,16 @@
 require "llib"
 
+local hashes_working = 0
+local hashes_failed = 0
+local functions_working = 0
+local functions_failed = 0
+
 function test(name,b,exp,oargs)
+  local fail = false
   local hash
   local hash2
   local hash3
+  local hash4
   local add = ""
   if oargs == nil then
     hash = llib.crypto[name](b)
@@ -18,26 +25,55 @@ function test(name,b,exp,oargs)
     hash3 = llib.crypto[name]()
     b:gsub(".", function(c) hash3:update(c) end)
     hash3 = hash3:final()
+    
+    hash4 = llib.crypto[name.."_init"]()
+    llib.crypto[name.."_update"](hash4, b)
+    hash4 = llib.crypto[name.."_final"](hash4)
 
     if(hash2 ~= hash) then
+      fail = true
+      functions_failed=functions_failed + 1
       llib.io.error(name.." alt method not working, got:\n\t"..hash2.." other was:\n\t"..hash)
     else 
+      functions_working=functions_working + 1
       llib.io.log(name.." alt method working "..hash2.." == "..hash)
     end
 
+    if(hash4 ~= hash) then
+      fail = true
+      functions_failed=functions_failed + 1
+      llib.io.error(name.." alt method 2 not working, got:\n\t"..hash4.." other was:\n\t"..hash)
+    else 
+      functions_working=functions_working + 1
+      llib.io.log(name.." alt method 2 working "..hash4.." == "..hash)
+    end
+
     if(hash3 ~= hash) then
+      fail = true
+      functions_failed=functions_failed + 1
       llib.io.error(name.." alt char-b-char method not working, got:\n\t"..hash3.." other was:\n\t"..hash)
     else 
+      functions_working=functions_working + 1
       llib.io.log(name.." alt char-b-char method working "..hash3.." == "..hash)
     end
 
   end
 
   if not (hash == exp) then
+    fail = true
+    functions_failed=functions_failed + 1
     llib.io.error(name.." not working, got:\n\t"..hash.." wanted:\n\t"..exp.."\n\twith args: {"..add.."}")
   else
+    functions_working=functions_working + 1
     llib.io.log(name.." was correct, "..hash)
   end
+
+  if(fail) then
+    hashes_failed=hashes_failed + 1
+  else 
+    hashes_working=hashes_working + 1
+  end
+
 end
 
 test("adler32","meow","043c01b9")
@@ -91,4 +127,7 @@ test("blake2s","meow","f461bed24c982ccb29cb967acdaebc9494b51c1d0f88f6bc478509522
 test("blake256", "meow", "067805dd21a4ef97460c6613f231437917a1c1c7f1dcd1bfe67d952d09ccb028")
 test("blake224", "meow", "0a099d692027cfbe69d2424a5b2520a7398fa4945e0878f6c541f5ce")
 test("blake512", "meow", "09d5abe166c4ad855d4527d0be21df2b1a01c3d7c5637572561ebc247908fd7db30bf342391dd0a834fd35f391807480fb31e8a7ee3b1098e46d996d5601948f")
-test("blake384", "meow", "7edb2ff04616f5551a789217029496c3c8601ac7aba2d40d7fcd1ec85fc63f37514e5884f2ebc807b11854247620446c")
\ No newline at end of file
+test("blake384", "meow", "7edb2ff04616f5551a789217029496c3c8601ac7aba2d40d7fcd1ec85fc63f37514e5884f2ebc807b11854247620446c")
+
+print(hashes_working.."/"..hashes_failed.." hashes working/failed")
+print(functions_working.."/"..functions_failed.." functions working/failed")
\ No newline at end of file