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Fix some errors with the DJGPP build.

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This forces `MA_NO_THREADING` and `MA_NO_RUNTIME_LINKING`.

The DOS/DJGPP build currently requires `MA_NO_DEVICE_IO`.
This commit is contained in:
David Reid
2025-08-07 17:44:19 +10:00
parent e9e8f90137
commit 1ea69211ad
1 changed files with 153 additions and 81 deletions
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miniaudio.h
+153 -81
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@@ -3879,7 +3879,20 @@ typedef ma_uint16 wchar_t;
#endif
#endif
#endif
#if !defined(_WIN32) /* If it's not Win32, assume POSIX. */
#if defined(__MSDOS__) || defined(MSDOS) || defined(_MSDOS) || defined(__DOS__)
#define MA_DOS
/* No threading allowed on DOS. */
#ifndef MA_NO_THREADING
#define MA_NO_THREADING
#endif
/* No runtime linking allowed on DOS. */
#ifndef MA_NO_RUNTIME_LINKING
#define MA_NO_RUNTIME_LINKING
#endif
#endif
#if !defined(MA_WIN32) && !defined(MA_DOS) /* If it's not Win32, assume POSIX. */
#define MA_POSIX
#if !defined(MA_NO_THREADING)
@@ -12742,6 +12755,29 @@ MA_API MA_NO_INLINE int ma_strcmp(const char* str1, const char* str2)
return ((unsigned char*)str1)[0] - ((unsigned char*)str2)[0];
}
MA_API MA_NO_INLINE int ma_wcscmp(const wchar_t* str1, const wchar_t* str2)
{
if (str1 == str2) return 0;
/* These checks differ from the standard implementation. It's not important, but I prefer it just for sanity. */
if (str1 == NULL) return -1;
if (str2 == NULL) return 1;
for (;;) {
if (str1[0] == L'\0') {
break;
}
if (str1[0] != str2[0]) {
break;
}
str1 += 1;
str2 += 1;
}
return ((unsigned short*)str1)[0] - ((unsigned short*)str2)[0];
}
MA_API MA_NO_INLINE int ma_strappend(char* dst, size_t dstSize, const char* srcA, const char* srcB)
{
int result;
@@ -12759,6 +12795,22 @@ MA_API MA_NO_INLINE int ma_strappend(char* dst, size_t dstSize, const char* srcA
return result;
}
MA_API MA_NO_INLINE size_t ma_wcslen(const wchar_t* str)
{
const wchar_t* end;
if (str == NULL) {
return 0;
}
end = str;
while (end[0] != '\0') {
end += 1;
}
return end - str;
}
MA_API MA_NO_INLINE char* ma_copy_string(const char* src, const ma_allocation_callbacks* pAllocationCallbacks)
{
size_t sz;
@@ -12781,7 +12833,7 @@ MA_API MA_NO_INLINE char* ma_copy_string(const char* src, const ma_allocation_ca
MA_API MA_NO_INLINE wchar_t* ma_copy_string_w(const wchar_t* src, const ma_allocation_callbacks* pAllocationCallbacks)
{
size_t sz = wcslen(src)+1;
size_t sz = ma_wcslen(src)+1;
wchar_t* dst = (wchar_t*)ma_malloc(sz * sizeof(*dst), pAllocationCallbacks);
if (dst == NULL) {
return NULL;
@@ -13291,7 +13343,7 @@ MA_API ma_result ma_wfopen(FILE** ppFile, const wchar_t* pFilePath, const wchar_
(void)pAllocationCallbacks;
}
#elif !defined(MA_XBOX_NXDK) /* If your compiler does not support wcsrtombs(), add it here. */
#elif !defined(MA_XBOX_NXDK) && !defined(MA_DOS) /* If your compiler does not support wcsrtombs(), add it here. */
{
/*
Use fopen() on anything other than Windows. Requires a conversion. This is annoying because fopen() is locale specific. The only real way I can
@@ -19241,7 +19293,7 @@ Dynamic Linking
*******************************************************************************/
/* Disable run-time linking on certain backends and platforms. */
#ifndef MA_NO_RUNTIME_LINKING
#if defined(MA_EMSCRIPTEN) || defined(MA_ORBIS) || defined(MA_PROSPERO) || defined(MA_SWITCH)
#if defined(MA_EMSCRIPTEN) || defined(MA_ORBIS) || defined(MA_PROSPERO) || defined(MA_SWITCH) || defined(MA_DOS)
#define MA_NO_RUNTIME_LINKING
#endif
#endif
@@ -19255,104 +19307,124 @@ Dynamic Linking
MA_API ma_handle ma_dlopen(ma_log* pLog, const char* filename)
{
#ifndef MA_NO_RUNTIME_LINKING
ma_handle handle;
#ifndef MA_NO_RUNTIME_LINKING
{
ma_handle handle;
ma_log_postf(pLog, MA_LOG_LEVEL_DEBUG, "Loading library: %s\n", filename);
ma_log_postf(pLog, MA_LOG_LEVEL_DEBUG, "Loading library: %s\n", filename);
#ifdef MA_WIN32
/* From MSDN: Desktop applications cannot use LoadPackagedLibrary; if a desktop application calls this function it fails with APPMODEL_ERROR_NO_PACKAGE.*/
#if !defined(MA_WIN32_UWP) || !(defined(WINAPI_FAMILY) && ((defined(WINAPI_FAMILY_PHONE_APP) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)))
handle = (ma_handle)LoadLibraryA(filename);
#ifdef MA_WIN32
/* From MSDN: Desktop applications cannot use LoadPackagedLibrary; if a desktop application calls this function it fails with APPMODEL_ERROR_NO_PACKAGE.*/
#if !defined(MA_WIN32_UWP) || !(defined(WINAPI_FAMILY) && ((defined(WINAPI_FAMILY_PHONE_APP) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)))
handle = (ma_handle)LoadLibraryA(filename);
#else
/* *sigh* It appears there is no ANSI version of LoadPackagedLibrary()... */
WCHAR filenameW[4096];
if (MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, sizeof(filenameW)) == 0) {
handle = NULL;
} else {
handle = (ma_handle)LoadPackagedLibrary(filenameW, 0);
}
#endif
#else
/* *sigh* It appears there is no ANSI version of LoadPackagedLibrary()... */
WCHAR filenameW[4096];
if (MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, sizeof(filenameW)) == 0) {
handle = NULL;
} else {
handle = (ma_handle)LoadPackagedLibrary(filenameW, 0);
}
handle = (ma_handle)dlopen(filename, RTLD_NOW);
#endif
#else
handle = (ma_handle)dlopen(filename, RTLD_NOW);
#endif
/*
I'm not considering failure to load a library an error nor a warning because seamlessly falling through to a lower-priority
backend is a deliberate design choice. Instead I'm logging it as an informational message.
*/
if (handle == NULL) {
ma_log_postf(pLog, MA_LOG_LEVEL_INFO, "Failed to load library: %s\n", filename);
/*
I'm not considering failure to load a library an error nor a warning because seamlessly falling through to a lower-priority
backend is a deliberate design choice. Instead I'm logging it as an informational message.
*/
if (handle == NULL) {
ma_log_postf(pLog, MA_LOG_LEVEL_INFO, "Failed to load library: %s\n", filename);
}
return handle;
}
return handle;
#else
/* Runtime linking is disabled. */
(void)pLog;
(void)filename;
return NULL;
#endif
#else
{
/* Runtime linking is disabled. */
(void)pLog;
(void)filename;
return NULL;
}
#endif
}
MA_API void ma_dlclose(ma_log* pLog, ma_handle handle)
{
#ifndef MA_NO_RUNTIME_LINKING
#ifdef MA_WIN32
FreeLibrary((HMODULE)handle);
#else
/* Hack for Android bug (see https://github.com/android/ndk/issues/360). Calling dlclose() pre-API 28 may segfault. */
#if !defined(MA_ANDROID) || (defined(__ANDROID_API__) && __ANDROID_API__ >= 28)
#ifndef MA_NO_RUNTIME_LINKING
{
#ifdef MA_WIN32
{
dlclose((void*)handle);
FreeLibrary((HMODULE)handle);
}
#else
{
(void)handle;
/* Hack for Android bug (see https://github.com/android/ndk/issues/360). Calling dlclose() pre-API 28 may segfault. */
#if !defined(MA_ANDROID) || (defined(__ANDROID_API__) && __ANDROID_API__ >= 28)
{
dlclose((void*)handle);
}
#else
{
(void)handle;
}
#endif
}
#endif
#endif
(void)pLog;
#else
/* Runtime linking is disabled. */
(void)pLog;
(void)handle;
#endif
(void)pLog;
}
#else
{
/* Runtime linking is disabled. */
(void)pLog;
(void)handle;
}
#endif
}
MA_API ma_proc ma_dlsym(ma_log* pLog, ma_handle handle, const char* symbol)
{
#ifndef MA_NO_RUNTIME_LINKING
ma_proc proc;
#ifndef MA_NO_RUNTIME_LINKING
{
ma_proc proc;
ma_log_postf(pLog, MA_LOG_LEVEL_DEBUG, "Loading symbol: %s\n", symbol);
ma_log_postf(pLog, MA_LOG_LEVEL_DEBUG, "Loading symbol: %s\n", symbol);
#ifdef _WIN32
proc = (ma_proc)GetProcAddress((HMODULE)handle, symbol);
#else
#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) || defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
proc = (ma_proc)dlsym((void*)handle, symbol);
#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) || defined(__clang__)
#pragma GCC diagnostic pop
#endif
#endif
#ifdef _WIN32
{
proc = (ma_proc)GetProcAddress((HMODULE)handle, symbol);
}
#else
{
#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) || defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
proc = (ma_proc)dlsym((void*)handle, symbol);
#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) || defined(__clang__)
#pragma GCC diagnostic pop
#endif
}
#endif
if (proc == NULL) {
ma_log_postf(pLog, MA_LOG_LEVEL_WARNING, "Failed to load symbol: %s\n", symbol);
if (proc == NULL) {
ma_log_postf(pLog, MA_LOG_LEVEL_WARNING, "Failed to load symbol: %s\n", symbol);
}
(void)pLog; /* It's possible for pContext to be unused. */
return proc;
}
(void)pLog; /* It's possible for pContext to be unused. */
return proc;
#else
/* Runtime linking is disabled. */
(void)pLog;
(void)handle;
(void)symbol;
return NULL;
#endif
#else
{
/* Runtime linking is disabled. */
(void)pLog;
(void)handle;
(void)symbol;
return NULL;
}
#endif
}
@@ -23286,7 +23358,7 @@ static ma_result ma_context_get_IAudioClient__wasapi(ma_context* pContext, ma_de
pActivationParams = &activationParams;
/* When requesting a specific device ID we need to use a special device ID. */
MA_COPY_MEMORY(virtualDeviceID.wasapi, MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK, (wcslen(MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK) + 1) * sizeof(wchar_t)); /* +1 for the null terminator. */
MA_COPY_MEMORY(virtualDeviceID.wasapi, MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK, (ma_wcslen(MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK) + 1) * sizeof(wchar_t)); /* +1 for the null terminator. */
pDeviceID = &virtualDeviceID;
} else {
pActivationParams = NULL; /* No activation parameters required. */
@@ -66568,7 +66640,7 @@ static ma_bool32 ma_path_extension_equal_w(const wchar_t* path, const wchar_t* e
{
return _wcsicmp(ext1, ext2) == 0;
}
#elif !defined(MA_XBOX_NXDK)
#elif !defined(MA_XBOX_NXDK) && !defined(MA_DOS)
{
/*
I'm not aware of a wide character version of strcasecmp(). I'm therefore converting the extensions to multibyte strings and comparing those. This
@@ -66597,7 +66669,7 @@ static ma_bool32 ma_path_extension_equal_w(const wchar_t* path, const wchar_t* e
{
/* Getting here means we don't have a way to do a case-sensitive comparison for wide strings. Fall back to a simple case-sensitive comparison. */
/* TODO: Implement our own wchar_t-to-char conversion routine and then use the char* version for comparing. */
return wcscmp(ext1, ext2) == 0;
return ma_wcscmp(ext1, ext2) == 0;
}
#endif
}
@@ -69303,7 +69375,7 @@ static ma_uint32 ma_hash_string_32(const char* str)
static ma_uint32 ma_hash_string_w_32(const wchar_t* str)
{
return ma_hash_32(str, (int)wcslen(str) * sizeof(*str), MA_DEFAULT_HASH_SEED);
return ma_hash_32(str, (int)ma_wcslen(str) * sizeof(*str), MA_DEFAULT_HASH_SEED);
}