diff --git a/hooks/develhook.cpp b/hooks/develhook.cpp
index 16ffd99..fddf0fd 100644
--- a/hooks/develhook.cpp
+++ b/hooks/develhook.cpp
@@ -2,6 +2,7 @@
 #include "util/logging.h"
 #include "util/detour.h"
 #include "util/libutils.h"
+#include "util/utils.h"
 #include "avs/core.h"
 #include "avs/game.h"
 #include "hooks/wmischook.h"
@@ -76,10 +77,10 @@ void (*routine_cb_[devel_routine_last])() ={
         [thum_test] = thumbnail::run
 };
 
-static constexpr unsigned int by_str(const char *str, int h = 0)
-{
-    return !str[h] ? 5381 : (by_str(str, h + 1) * 33) ^ str[h];
-}
+//static constexpr unsigned int to_hash(const char *str, int h = 0)
+//{
+//    return !str[h] ? 5381 : (to_hash(str, h + 1) * 33) ^ str[h];
+//}
 std::vector<std::string> from_env(const char *str)
 {
     std::vector<std::string> r;
@@ -101,17 +102,20 @@ static devel_routine_t routines()
         routines_ = 0;
         for (const auto &routine: from_env("SPICE_DEVEL"))
         {
-            switch (by_str(routine.c_str()))
+            switch (to_hash(routine.c_str()))
             {
-            case by_str("avs_fs_detour"):
+            case to_hash("avs_fs_detour"):
                 routines_ |= 1 << avs_fs_detour;
                 break;
-            case by_str("sndb_test"):
+            case to_hash("sndb_test"):
                 routines_ |= 1 << sndb_test;
                 break;
-            case by_str("thum_test"):
+            case to_hash("thum_test"):
                 routines_ |= 1 << thum_test;
                 break;
+            case to_hash("acm_test"):
+                routines_ |= 1 << acm_test;
+                break;
             default:
                 break;
             }
diff --git a/hooks/sndbhook.cpp b/hooks/sndbhook.cpp
index 19fb232..5945a4b 100644
--- a/hooks/sndbhook.cpp
+++ b/hooks/sndbhook.cpp
@@ -5,6 +5,7 @@
 #include "util/sigscan.h"
 #include "util/detour.h"
 #include "util/libutils.h"
+#include "util/utils.h"
 #include "avs/core.h"
 #include <cstring>
 
@@ -698,11 +699,6 @@ static struct offset_t
     intptr_t DAT_song_id;
     bool is_lstr_wchar;
     memutils::VProtectGuard *guard;
-
-    static constexpr unsigned int by_ext(const char *ext, int h = 0)
-    {
-        return !ext[h] ? 5381 : (by_ext(ext, h + 1) * 33) ^ ext[h];
-    }
 } offset_;
 snd_bank *snd_bank::cache_ = nullptr;
 size_t snd_bank::cachesz_ = 0;
@@ -909,34 +905,34 @@ void init(HINSTANCE hmodule, const char *model, const char *ext)
         offset_.DAT_song_id = 0x67c;
         offset_.is_lstr_wchar = true;
     }
-    switch (offset_t::by_ext(ext))
+    switch (to_hash(ext))
     {
-    case offset_t::by_ext("2018091900"):
+    case to_hash("2018091900"):
         offset_.TX_BmsbEnumValidSoundbanks = (intptr_t) hmodule + 0x1170b0;
         break;
-    case offset_t::by_ext("2019090200"):
-    case offset_t::by_ext("2019100700"):
+    case to_hash("2019090200"):
+    case to_hash("2019100700"):
         offset_.TX_BmsbEnumValidSoundbanks = (intptr_t) hmodule + 0x37a540;
         break;
-    case offset_t::by_ext("2020092900"):
+    case to_hash("2020092900"):
         offset_.TX_BmsbEnumValidSoundbanks = (intptr_t) hmodule + 0x5ac460;
         break;
-    case offset_t::by_ext("2021083000"):
+    case to_hash("2021083000"):
         offset_.TX_BmsbEnumValidSoundbanks = (intptr_t) hmodule + 0x766bc0;
         break;
-    case offset_t::by_ext("2021091500"):
+    case to_hash("2021091500"):
         offset_.TX_BmsbEnumValidSoundbanks = (intptr_t) hmodule + 0x766c60;
         break;
-    case offset_t::by_ext("2022082400"):
+    case to_hash("2022082400"):
         offset_.TX_BmsbEnumValidSoundbanks = (intptr_t) hmodule + 0x46e160;
         break;
-    case offset_t::by_ext("2023090500"):
+    case to_hash("2023090500"):
         offset_.TX_BmsbEnumValidSoundbanks = (intptr_t) hmodule + 0xafd780;
         break;
-    case offset_t::by_ext("2024082600"):
+    case to_hash("2024082600"):
         offset_.TX_BmsbEnumValidSoundbanks = (intptr_t) hmodule + 0x8eae40;
         break;
-    case offset_t::by_ext("2025082500"):
+    case to_hash("2025082500"):
         offset_.TX_BmsbEnumValidSoundbanks = (intptr_t) hmodule + 0x969fb0;
         break;
     default:
diff --git a/hooks/wmischook.cpp b/hooks/wmischook.cpp
index 55addd3..ccf2694 100644
--- a/hooks/wmischook.cpp
+++ b/hooks/wmischook.cpp
@@ -3,6 +3,7 @@
 #include "util/detour.h"
 #include "util/sigscan.h"
 #include "util/libutils.h"
+#include "util/utils.h"
 #include <mmsystem.h>
 
 
@@ -106,22 +107,12 @@ void run(HINSTANCE hmodule)
 
 namespace hooks::wmisc
 {
-static constexpr unsigned int by_model(const char *model, int h = 0)
-{
-    return !model[h] ? 5381 : (by_model(model, h + 1) * 33) ^ model[h];
-}
-static constexpr unsigned int by_ext(const char *ext, int h = 0)
-{
-    return !ext[h] ? 5381 : (by_ext(ext, h + 1) * 33) ^ ext[h];
-}
-
-
 void apply_performance_hacks(HINSTANCE hmodule, const char *model, const char *ext)
 {
     log_info("hooks::wmisc", "Enabling performance patches for {}-{}", model, ext);
-    switch (by_model(model))
+    switch (to_hash(model))
     {
-    case by_model("LDJ"):
+    case to_hash("LDJ"):
         thumbnail::run(hmodule);
         msacm::run(hmodule);
         break;
diff --git a/util/utils.h b/util/utils.h
index 52d1132..8e0f15c 100644
--- a/util/utils.h
+++ b/util/utils.h
@@ -27,6 +27,11 @@ static const char HEX_LOOKUP_UPPERCASE[16] = {
 
 const char *inet_ntop(short af, const void *src, char *dst, DWORD size);
 
+static inline constexpr unsigned int to_hash(const char *str, int h = 0)
+{
+    return !str[h] ? 5381 : (to_hash(str, h + 1) * 33) ^ str[h];
+}
+
 static inline bool string_begins_with(const std::string &s, const std::string &prefix) {
     return s.compare(0, prefix.size(), prefix) == 0;
 }