Log: remove the obsolete printf-style functions

src/lib/ffmpeg/LogCallback.cxx

@@ -22,9 +22,9 @@
 
 #include "LogCallback.hxx"
 #include "Domain.hxx"
-#include "LogV.hxx"
 #include "util/Domain.hxx"
 #include "util/StringFormat.hxx"
+#include "Log.hxx"
 
 extern "C" {
 #include <libavutil/log.h>
@@ -60,6 +60,10 @@ FfmpegLogCallback(void *ptr, int level, const char *fmt, std::va_list vl)
 					 ffmpeg_domain.GetName(),
 					 cls->item_name(ptr));
 		const Domain d(domain);
-		LogFormatV(FfmpegImportLogLevel(level), d, fmt, vl);
+
+		char msg[1024];
+		vsnprintf(msg, sizeof(msg), fmt, vl);
+
+		Log(FfmpegImportLogLevel(level), d, msg);
 	}
 }

src/lib/nfs/Manager.cxx

@@ -18,16 +18,21 @@
  */
 
 #include "Manager.hxx"
+#include "lib/fmt/ExceptionFormatter.hxx"
 #include "event/Loop.hxx"
-#include "Log.hxx"
 #include "util/DeleteDisposer.hxx"
+#include "util/Domain.hxx"
+#include "Log.hxx"
 
 #include <string.h>
 
+static constexpr Domain nfs_domain("nfs");
+
 void
 NfsManager::ManagedConnection::OnNfsConnectionError(std::exception_ptr &&e) noexcept
 {
-	FormatError(e, "NFS error on %s:%s", GetServer(), GetExportName());
+	FmtError(nfs_domain, "NFS error on '{}:{}': {}",
+		 GetServer(), GetExportName(), e);
 
 	/* defer deletion so the caller
 	   (i.e. NfsConnection::OnSocketReady()) can still use this