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fix vst3 bindir datadir on windows

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This commit is contained in:
Stefano D'Angelo 2025-04-21 09:49:12 +02:00
parent a5727492cd
commit fb767d9bbf
1 changed files with 70 additions and 24 deletions
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94
templates/vst3/src/vst3.c
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@ -989,7 +989,7 @@ static Steinberg_tresult pluginProcess(void* thisInterface, struct Steinberg_Vst
pluginInstance *p = (pluginInstance *)((char *)thisInterface - offsetof(pluginInstance, vtblIAudioProcessor));
processParams(p, data, 1);
processParams(p, data, 1);
#if DATA_PRODUCT_BUSES_MIDI_INPUT_N > 0
if (data->inputEvents != NULL) {
@ -1056,7 +1056,7 @@ static Steinberg_tresult pluginProcess(void* thisInterface, struct Steinberg_Vst
plugin_process(&p->p, NULL, NULL, data->numSamples);
#endif
processParams(p, data, 0);
processParams(p, data, 0);
#if DATA_PRODUCT_PARAMETERS_OUT_N > 0
for (Steinberg_int32 i = 0; i < DATA_PRODUCT_PARAMETERS_OUT_N; i++) {
@ -1133,7 +1133,7 @@ static Steinberg_uint32 pluginGetProcessContextRequirements(void* thisInterface)
(void)thisInterface;
// TBD
return 0;
return 0;
}
static Steinberg_Vst_IProcessContextRequirementsVtbl pluginVtblIProcessContextRequirements = {
@ -1985,7 +1985,7 @@ static void dToStr(double v, Steinberg_Vst_String128 s, int precision) {
x *= 0.1;
precision--;
}
s[i] = '\0';
}
@ -2591,7 +2591,7 @@ Steinberg_IPluginFactory * GetPluginFactory(void) {
return (Steinberg_IPluginFactory *)&factory;
}
static int refs = 0;
static int refs = 0;
static char vstExit(void) {
refs--;
@ -2609,36 +2609,77 @@ EXPORT APIENTRY BOOL
DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved) {
(void)hInstance;
(void)lpReserved;
char * path;
if (dwReason == DLL_PROCESS_ATTACH) {
if (refs == 0) {
int pathLength;
char path[260];
HMODULE hm = NULL;
if (GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, (LPCSTR) &bindir, &hm) == 0) {
TRACE("GetModuleHandle failed, error = %lu\n", GetLastError());
return 0;
DWORD path_length;
DWORD n_size;
char * new_path;
char * c;
HMODULE hm;
if (GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, (LPCSTR)&bindir, &hm) == 0) {
TRACE("GetModuleHandle failed, error = %lu\n", GetLastError());
goto err_handle;
}
if ((pathLength = GetModuleFileName(hm, path, sizeof(path))) == 0) {
TRACE("GetModuleFileName failed, error = %lu\n", GetLastError());
return 0;
path = NULL;
n_size = MAX_PATH;
while (1) {
new_path = (char *)realloc(path, n_size);
if (new_path == NULL) {
TRACE("GetModuleFileName failed, not enough memory (requested %lu bytes)\n", n_size);
goto err_realloc;
}
path = new_path;
path_length = GetModuleFileNameA(hm, path, n_size);
if (path_length == 0) {
TRACE("GetModuleFileName failed, error = %lu\n", GetLastError());
goto err_filename;
}
if (path_length < n_size)
break;
n_size *= 2;
}
char *c = strrchr(path, '\\');
*c = '\0';
bindir = (char*) malloc(strlen(path) + 1);
memcpy(bindir, path, strlen(path));
bindir[strlen(path)] = '\0';
c = strrchr(path, '\\');
*c = '\0';
static char* res = "\\Resources";
datadir = malloc(strlen(path) + strlen(res) + 1);
sprintf(datadir, "%s%s", path, res);
bindir = _strdup(path);
if (bindir == NULL) {
TRACE("bindir _strdup failed\n");
goto err_bindir;
}
c = strrchr(path, '\\');
*c = '\0';
datadir = (char *)malloc(strlen(path) + sizeof("\\Resources") + 1);
if (datadir == NULL) {
TRACE("datadir malloc failed\n");
goto err_datadir;
}
sprintf(datadir, "%s\\Resources", path);
TRACE("bindir = %s \ndatadir = %s\n", bindir, datadir);
}
refs++;
} else if (dwReason == DLL_PROCESS_DETACH) {
} else if (dwReason == DLL_PROCESS_DETACH)
vstExit();
}
return 1;
err_datadir:
free(bindir);
err_bindir:
err_filename:
err_realloc:
if (path != NULL)
free(path);
err_handle:
return 0;
}
#elif defined(__APPLE__) || defined(__linux__)
@ -2658,9 +2699,11 @@ char ModuleEntry(void *handle) {
v.f = vstExit;
if (dladdr((void*) v.d, &info) == 0)
return 0;
file = realpath(info.dli_fname, NULL);
if (file == NULL)
return 0;
char *c = strrchr(file, '/');
*c = '\0';
bindir = strdup(file);
@ -2668,10 +2711,13 @@ char ModuleEntry(void *handle) {
goto err_bindir;
c = strrchr(file, '/');
*c = '\0';
datadir = x_asprintf("%s/Resources", file);
if (datadir == NULL)
goto err_datadir;
free(file);
TRACE("bindir = %s \ndatadir = %s\n", bindir, datadir);
}
refs++;