PR #13388 from AviaAv: add flush after printf on rs-fw-update

Author: Nir-Az

tools/fw-update/rs-fw-update.cpp

@@ -109,6 +109,7 @@ void update(rs2::update_device fwu_dev, std::vector<uint8_t> fw_image)
         fwu_dev.update(fw_image, [&](const float progress)
             {
                 printf("\rFirmware update progress: %d[%%]", (int)(progress * 100));
+                std::cout.flush();
             });
     }
     else
@@ -425,6 +426,7 @@ try
             {
                 flash = d.as< rs2::updatable >().create_flash_backup( [&]( const float progress ) {
                     printf( "\rFlash backup progress: %d[%%]", (int)( progress * 100 ) );
+                    std::cout.flush();
                     } );
             }
             else
@@ -488,6 +490,7 @@ try
                     d.as<rs2::updatable>().update_unsigned( fw_image, [&]( const float progress )
                         {
                             printf( "\rFirmware update progress: %d[%%]", (int)( progress * 100 ) );
+                            std::cout.flush();
                         } );
                 }
                 else