From 98c6b1b0407fa639e40a80428b8fb2cff61b96dd Mon Sep 17 00:00:00 2001
From: amelia squires <ameliasquires@disroot.org>
Date: Tue, 30 Sep 2025 18:00:29 -0500
Subject: another hash that i didnt really make (afaik)

---
 src/crypto.h        |  2 --
 src/hash/fasthash.c | 82 -----------------------------------------------------
 src/hash/fasthash.h |  8 ------
 3 files changed, 92 deletions(-)
 delete mode 100644 src/hash/fasthash.c
 delete mode 100644 src/hash/fasthash.h

(limited to 'src')

diff --git a/src/crypto.h b/src/crypto.h
index 78c8d4f..9561008 100644
--- a/src/crypto.h
+++ b/src/crypto.h
@@ -12,7 +12,6 @@
 #include "hash/xor.h"
 #include "hash/buzhash.h"
 #include "hash/djb2.h"
-#include "hash/fasthash.h"
 #include "hash/fnv.h"
 #include "hash/jenkins.h"
 #include "hash/loselose.h"
@@ -112,7 +111,6 @@ static const luaL_Reg crypto_function_list [] = {
       {"setpearson",l_setpearson}, {"fletcher8",l_fletcher8},
       {"fletcher16",l_fletcher16}, {"fletcher32",l_fletcher32},
       {"setbuzhash",l_setbuzhash},
-      {"fasthash32", l_fasthash32}, {"fasthash64", l_fasthash64},
       {"loselose", l_loselose},
       {"murmur1_32", l_murmur1_32}, {"murmur2_32", l_murmur2_32}, 
 
diff --git a/src/hash/fasthash.c b/src/hash/fasthash.c
deleted file mode 100644
index 12ec3be..0000000
--- a/src/hash/fasthash.c
+++ /dev/null
@@ -1,82 +0,0 @@
-#include "../crypto.h"
-#include <inttypes.h>
-#include <stdint.h>
-//almost entirely taken from https://github.com/ztanml/fast-hash/blob/master/fasthash.c
-
-#define mix(h) ({					\
-			(h) ^= (h) >> 23;		\
-			(h) *= 0x2127599bf4325c37ULL;	\
-			(h) ^= (h) >> 47; })
-
-uint64_t fasthash64(uint8_t* in, size_t len, uint64_t seed){
-    uint64_t m = 0x880355f21e6d1965ULL;
-    uint64_t hash = seed ^ (len * m);
-    uint64_t* data = (uint64_t*)in;
-    uint64_t v;
-    for(;len >= 8; len-=8){
-        v=*data++;
-        hash^=mix(v);
-        hash*=m;
-
-        in+=4;
-    }
-
-    uint8_t* data2 = (uint8_t*)data;
-    v=0;
-
-    switch (len & 7) {
-	case 7: 
-        v ^= (uint64_t)data2[6] << 48;
-	case 6: 
-        v ^= (uint64_t)data2[5] << 40;
-	case 5:
-        v ^= (uint64_t)data2[4] << 32;
-	case 4: 
-        v ^= (uint64_t)data2[3] << 24;
-	case 3: 
-        v ^= (uint64_t)data2[2] << 16;
-	case 2: 
-        v ^= (uint64_t)data2[1] << 8;
-	case 1: 
-        v ^= (uint64_t)data2[0];
-		hash ^= mix(v);
-		hash *= m;
-	}
-
-    return mix(hash);
-}
-
-uint32_t fasthash32(uint8_t *buf, size_t len, uint32_t seed){
-    uint64_t hash = fasthash64(buf, len, seed);
-	return hash - (hash >> 32);
-}
-
-int l_fasthash64(lua_State* L){ 
-  size_t len = 0;
-  uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
-  int argv = lua_gettop(L);
-  uint64_t seed = 0;
-  if(argv > 1) seed = luaL_checkinteger(L, 2);
-
-  char digest[64];
-
-  uint64_t u = fasthash64(a, len, seed);
-  sprintf(digest,"%016"PRIx64,u);
-  lua_pushstring(L, digest);
-  return 1;
-}
-
-int l_fasthash32(lua_State* L){ 
-  size_t len = 0;
-  uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
-  int argv = lua_gettop(L);
-  uint32_t seed = 0;
-  if(argv > 1) seed = luaL_checkinteger(L, 2);
-
-  char digest[32];
-
-  uint32_t u = fasthash32(a, len, seed);
-  sprintf(digest,"%04"PRIx32,u);
-  lua_pushstring(L, digest);
-  return 1;
-}
diff --git a/src/hash/fasthash.h b/src/hash/fasthash.h
deleted file mode 100644
index 0a950e7..0000000
--- a/src/hash/fasthash.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "../lua.h"
-#include <stdint.h>
-
-uint64_t fasthash64(uint8_t* in, size_t len, uint64_t seed);
-uint32_t fasthash32(uint8_t *buf, size_t len, uint32_t seed);
-
-int l_fasthash32(lua_State*);
-int l_fasthash64(lua_State*);
-- 
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