[warnings] integer cast and checks

channels/audin/client/alsa/audin_alsa.c

@@ -174,7 +174,7 @@ static DWORD WINAPI audin_alsa_thread_func(LPVOID arg)
 
 		if (err == -EPIPE)
 		{
-			snd_pcm_recover(capture_handle, err, 0);
+			snd_pcm_recover(capture_handle, (int)err, 0);
 			continue;
 		}
 		else if (err < 0)

channels/rdpdr/client/CMakeLists.txt

@@ -19,6 +19,12 @@
 
 define_channel_client("rdpdr")
 
+include (CheckFunctionExists)
+check_function_exists(getmntent_r FREERDP_HAVE_GETMNTENT_R)
+if (FREERDP_HAVE_GETMNTENT_R)
+	add_definitions(-DFREERDP_HAVE_GETMNTENT_R)
+endif()
+
 set(${MODULE_PREFIX}_SRCS
 	irp.c
 	irp.h

channels/rdpdr/client/rdpdr_main.c

@@ -834,9 +834,24 @@ static UINT handle_platform_mounts_bsd(wLog* log, hotplug_dev* dev_array, size_t
 
 #if defined(__LINUX__) || defined(__linux__)
 #include <mntent.h>
+static struct mntent* getmntent_x(FILE* f, struct mntent* buffer, char* pathbuffer,
+                                  size_t pathbuffersize)
+{
+#if defined(FREERDP_HAVE_GETMNTENT_R)
+	return getmntent_r(f, buffer, pathbuffer, pathbuffersize);
+#else
+	(void)buffer;
+	(void)pathbuffer;
+	(void)pathbuffersize;
+	return getmntent(f);
+#endif
+}
+
 static UINT handle_platform_mounts_linux(wLog* log, hotplug_dev* dev_array, size_t* size)
 {
 	FILE* f = NULL;
+	struct mntent mnt = { 0 };
+	char pathbuffer[PATH_MAX] = { 0 };
 	struct mntent* ent = NULL;
 	f = winpr_fopen("/proc/mounts", "r");
 	if (f == NULL)
@@ -844,7 +859,7 @@ static UINT handle_platform_mounts_linux(wLog* log, hotplug_dev* dev_array, size
 		WLog_Print(log, WLOG_ERROR, "fopen failed!");
 		return ERROR_OPEN_FAILED;
 	}
-	while ((ent = getmntent(f)) != NULL)
+	while ((ent = getmntent_x(f, &mnt, pathbuffer, sizeof(pathbuffer))) != NULL)
 	{
 		handle_mountpoint(dev_array, size, ent->mnt_dir);
 	}

channels/rdpgfx/client/rdpgfx_main.c

@@ -772,13 +772,11 @@ static UINT rdpgfx_send_cache_import_offer_pdu(RdpgfxClientContext* context,
 	wStream* s = NULL;
 	RDPGFX_HEADER header;
 	GENERIC_CHANNEL_CALLBACK* callback = NULL;
-	WINPR_ASSERT(context);
-	RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*)context->handle;
 
 	if (!context || !pdu)
 		return ERROR_BAD_ARGUMENTS;
 
-	gfx = (RDPGFX_PLUGIN*)context->handle;
+	RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*)context->handle;
 
 	if (!gfx || !gfx->base.listener_callback)
 		return ERROR_BAD_CONFIGURATION;

channels/rdpsnd/client/alsa/rdpsnd_alsa.c

@@ -111,8 +111,8 @@ static int rdpsnd_alsa_set_hw_params(rdpsndAlsaPlugin* alsa)
 	 * It is also possible for the buffer size to not be an integer multiple of the period size.
 	 */
 	int interrupts_per_sec_near = 50;
-	int bytes_per_sec =
-	    (alsa->actual_rate * alsa->aformat.wBitsPerSample / 8 * alsa->actual_channels);
+	const size_t bytes_per_sec =
+	    (1ull * alsa->actual_rate * alsa->aformat.wBitsPerSample / 8 * alsa->actual_channels);
 	alsa->buffer_size = buffer_size_max;
 	alsa->period_size = (bytes_per_sec / interrupts_per_sec_near);
 
@@ -423,12 +423,11 @@ static UINT rdpsnd_alsa_play(rdpsndDevicePlugin* device, const BYTE* data, size_
 {
 	UINT latency = 0;
 	size_t offset = 0;
-	int frame_size = 0;
 	rdpsndAlsaPlugin* alsa = (rdpsndAlsaPlugin*)device;
 	WINPR_ASSERT(alsa);
 	WINPR_ASSERT(data || (size == 0));
-	frame_size = alsa->actual_channels * alsa->aformat.wBitsPerSample / 8;
-	if (frame_size <= 0)
+	const size_t frame_size = 1ull * alsa->actual_channels * alsa->aformat.wBitsPerSample / 8;
+	if (frame_size == 0)
 		return 0;
 
 	while (offset < size)
@@ -437,7 +436,7 @@ static UINT rdpsnd_alsa_play(rdpsndDevicePlugin* device, const BYTE* data, size_
 		    snd_pcm_writei(alsa->pcm_handle, &data[offset], (size - offset) / frame_size);
 
 		if (status < 0)
-			status = snd_pcm_recover(alsa->pcm_handle, status, 0);
+			status = snd_pcm_recover(alsa->pcm_handle, (int)status, 0);
 
 		if (status < 0)
 		{

channels/rdpsnd/client/oss/rdpsnd_oss.c

@@ -163,7 +163,7 @@ static BOOL rdpsnd_oss_set_format(rdpsndDevicePlugin* device, const AUDIO_FORMAT
 		return FALSE;
 	}
 
-	tmp = format->nSamplesPerSec;
+	tmp = (int)format->nSamplesPerSec;
 
 	if (ioctl(oss->pcm_handle, SNDCTL_DSP_SPEED, &tmp) == -1)
 	{
@@ -321,15 +321,14 @@ static UINT32 rdpsnd_oss_get_volume(rdpsndDevicePlugin* device)
 
 static BOOL rdpsnd_oss_set_volume(rdpsndDevicePlugin* device, UINT32 value)
 {
-	int left = 0;
-	int right = 0;
 	rdpsndOssPlugin* oss = (rdpsndOssPlugin*)device;
+	WINPR_ASSERT(oss);
 
 	if (device == NULL || oss->mixer_handle == -1)
 		return FALSE;
 
-	left = (((value & 0xFFFF) * 100) / 0xFFFF);
-	right = ((((value >> 16) & 0xFFFF) * 100) / 0xFFFF);
+	unsigned left = (((value & 0xFFFF) * 100) / 0xFFFF);
+	unsigned right = ((((value >> 16) & 0xFFFF) * 100) / 0xFFFF);
 
 	if (left < 0)
 		left = 0;
@@ -425,7 +424,7 @@ static int rdpsnd_oss_parse_addin_args(rdpsndDevicePlugin* device, const ADDIN_A
 					return CHANNEL_RC_NULL_DATA;
 				}
 
-				oss->dev_unit = val;
+				oss->dev_unit = (int)val;
 			}
 
 			if (oss->dev_unit < 0 || *eptr != '\0')

channels/rdpsnd/client/pulse/rdpsnd_pulse.c

@@ -696,7 +696,7 @@ static UINT rdpsnd_pulse_parse_addin_args(rdpsndDevicePlugin* device, const ADDI
 			if ((errno != 0) || (val > INT32_MAX))
 				return ERROR_INVALID_DATA;
 
-			pulse->reconnect_delay_seconds = val;
+			pulse->reconnect_delay_seconds = (time_t)val;
 		}
 		CommandLineSwitchEnd(arg)
 	} while ((arg = CommandLineFindNextArgumentA(arg)) != NULL);

channels/rdpsnd/client/rdpsnd_main.c

@@ -302,6 +302,8 @@ static UINT rdpsnd_recv_server_audio_formats_pdu(rdpsndPlugin* rdpsnd, wStream*
 	WINPR_ASSERT(rdpsnd->device);
 	ret = IFCALLRESULT(CHANNEL_RC_OK, rdpsnd->device->ServerFormatAnnounce, rdpsnd->device,
 	                   rdpsnd->ServerFormats, rdpsnd->NumberOfServerFormats);
+	if (ret != CHANNEL_RC_OK)
+		goto out_fail;
 
 	rdpsnd_select_supported_audio_formats(rdpsnd);
 	WLog_Print(rdpsnd->log, WLOG_DEBUG, "%s Server Audio Formats",