Use "strlcpy" instead of "strncpy" and other Coverity issues

* Yet more nice way to fix Coverity issues fixed by hrev43460.
  Thanks Rene Gollent for pointing it out!
* Potential Coverity issues fixed for sis19x driver too.

src/add-ons/kernel/drivers/audio/ac97/sis7018/Device.cpp

@@ -337,10 +337,10 @@ Device::_MultiGetDescription(multi_description *multiDescription)
 	Description.interface_version = B_CURRENT_INTERFACE_VERSION;
 	Description.interface_minimum = B_CURRENT_INTERFACE_VERSION;
 
-	strncpy(Description.friendly_name, fInfo.Name(),
-									sizeof(Description.friendly_name) - 1);
+	strlcpy(Description.friendly_name, fInfo.Name(),
+									sizeof(Description.friendly_name));
 
-	strncpy(Description.vendor_info, "Haiku.Inc.",
+	strlcpy(Description.vendor_info, "Haiku.Inc.",
 									sizeof(Description.vendor_info));
 
 	Description.output_channel_count		= 2;

src/add-ons/kernel/drivers/audio/ac97/sis7018/Mixer.cpp

@@ -478,7 +478,7 @@ Mixer::_CreateMIXControlGroup(multi_mix_control_info* MultiInfo, int32& index,
 	Controls[index].string		= Info.fNameId;
 	if (Info.fName != NULL)
 		strlcpy(Controls[index].name, Info.fName,
-								   sizeof(Controls[index].name) - 1);
+								   sizeof(Controls[index].name));
 	index++;
 
 	if (Info.fType & MIX_Mute) {
@@ -549,7 +549,8 @@ Mixer::_CreateMIXControlGroup(multi_mix_control_info* MultiInfo, int32& index,
 		Controls[index].flags		= B_MULTI_MIX_MUX;
 		Controls[index].parent		= groupIndex;
 		Controls[index].string		= S_null;
-		strlcpy(Controls[index].name, Info.fExName, sizeof(Controls[index].name));
+		strlcpy(Controls[index].name, Info.fExName,
+								sizeof(Controls[index].name));
 
 		TRACE("MUX:%#010x\n", Controls[index].id);
 		index++;

src/add-ons/kernel/drivers/audio/ac97/sis7018/Settings.cpp

@@ -79,7 +79,7 @@ void SiS7018_trace(bool force, const char* func, const char *fmt, ...)
 	static char buffer[1024];
 	char *buf_ptr = buffer;
 	if (gLogFilePath == NULL) {
-		strncpy(buffer, prefix, sizeof(buffer) - 1);
+		strlcpy(buffer, prefix, sizeof(buffer));
 		buf_ptr += strlen(prefix);
 	}
 

src/add-ons/kernel/drivers/network/sis19x/Settings.cpp

@@ -35,7 +35,9 @@ void create_log()
 		return;
 
 	int flags = O_WRONLY | O_CREAT | ((gTruncateLogFile) ? O_TRUNC : 0);
-	close(open(gLogFilePath, flags, 0666));
+	int fd = open(gLogFilePath, flags, 0666);
+	if (fd > 0)
+		close(fd);
 
 	mutex_init(&gLogLock, DRIVER_NAME"-logging");
 }
@@ -91,7 +93,7 @@ void SiS19X_trace(bool force, const char* func, const char *fmt, ...)
 	static char buffer[1024];
 	char *buf_ptr = buffer;
 	if (gLogFilePath == NULL) {
-		strcpy(buffer, prefix);
+		strlcpy(buffer, prefix, sizeof(buffer));
 		buf_ptr += strlen(prefix);
 	}
 
@@ -120,8 +122,10 @@ void SiS19X_trace(bool force, const char* func, const char *fmt, ...)
 
 	mutex_lock(&gLogLock);
 	int fd = open(gLogFilePath, O_WRONLY | O_APPEND);
+	if (fd > 0) {
 		write(fd, buffer, strlen(buffer));
 		close(fd);
+	}
 	mutex_unlock(&gLogLock);
 }
 

src/add-ons/kernel/drivers/network/usb_asix/Settings.cpp

@@ -88,7 +88,7 @@ void usb_asix_trace(bool force, const char* func, const char *fmt, ...)
 	static char buffer[1024];
 	char *buf_ptr = buffer;
 	if (gLogFilePath == NULL) {
-		strncpy(buffer, prefix, sizeof(buffer) - 1);
+		strlcpy(buffer, prefix, sizeof(buffer));
 		buf_ptr += strlen(prefix);
 	}
 

src/add-ons/kernel/drivers/network/usb_davicom/Settings.cpp

@@ -95,7 +95,7 @@ void usb_davicom_trace(bool force, const char* func, const char *fmt, ...)
 	static char buffer[1024];
 	char *buf_ptr = buffer;
 	if (gLogFilePath == NULL) {
-		strncpy(buffer, prefix, sizeof(buffer) - 1);
+		strlcpy(buffer, prefix, sizeof(buffer));
 		buf_ptr += strlen(prefix);
 	}