c++编程记录

• 问题1

error: cannot convert ‘std::__cxx11::basic_string<char>::iterator’ {aka ‘__gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >’} to ‘const char*’
   29 |     FileNameNoTag.erase(std::remove(FileNameNoTag.begin(), FileNameNoTag.end(), ':'), FileNameNoTag.end());
      |                                     ~~~~~~~~~~~~~~~~~~~^~
      |                                                        |
      |                                                        std::__cxx11::basic_string<char>::iterator {aka __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >}
In file included from /usr/include/c++/9/cstdio:42,
                 from /usr/include/c++/9/ext/string_conversions.h:43,
                 from /usr/include/c++/9/bits/basic_string.h:6496,
                 from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/bits/locale_classes.h:40,
                 from /usr/include/c++/9/bits/ios_base.h:41,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from 2.cpp:2:
/usr/include/stdio.h:146:32: note:   initializing argument 1 of ‘int remove(const char*)’
  146 | extern int remove (const char *__filename) __THROW;
      |                    ~~~~~~~~~~~~^~~~~~~~~~

问题2：

In file included from ../drivers/media/i2c/useruto/imx390.c:19:
../include/linux/module.h:137:7: warning: ‘cleanup_module’ specifies less restrictive attribute than its target ‘imx390_serdes_driver_exit’: ‘cold’ [-Wmissing-attributes]
  137 |  void cleanup_module(void) __attribute__((alias(#exitfn)));
      |       ^~~~~~~~~~~~~~
../include/linux/device.h:1509:1: note: in expansion of macro ‘module_exit’
 1509 | module_exit(__driver##_exit);
      | ^~~~~~~~~~~
../include/linux/i2c.h:780:2: note: in expansion of macro ‘module_driver’
  780 |  module_driver(__i2c_driver, i2c_add_driver, \
      |  ^~~~~~~~~~~~~
../drivers/media/i2c/useruto/imx390.c:104:1: note: in expansion of macro ‘module_i2c_driver’
  104 | module_i2c_driver(imx390_serdes_driver);
      | ^~~~~~~~~~~~~~~~~
In file included from ../drivers/media/i2c/useruto/imx390.c:18:
../drivers/media/i2c/useruto/imx390.c:104:19: note: ‘cleanup_module’ target declared here
  104 | module_i2c_driver(imx390_serdes_driver);
      |                   ^~~~~~~~~~~~~~~~~~~~
../include/linux/device.h:1505:20: note: in definition of macro ‘module_driver’
 1505 | static void __exit __driver##_exit(void) \
      |                    ^~~~~~~~
../drivers/media/i2c/useruto/imx390.c:104:1: note: in expansion of macro ‘module_i2c_driver’
  104 | module_i2c_driver(imx390_serdes_driver);
      | ^~~~~~~~~~~~~~~~~
In file included from ../drivers/media/i2c/useruto/imx390.c:19:
../include/linux/module.h:131:6: warning: ‘init_module’ specifies less restrictive attribute than its target ‘imx390_serdes_driver_init’: ‘cold’ [-Wmissing-attributes]
  131 |  int init_module(void) __attribute__((alias(#initfn)));
      |      ^~~~~~~~~~~
../include/linux/device.h:1504:1: note: in expansion of macro ‘module_init’
 1504 | module_init(__driver##_init); \
      | ^~~~~~~~~~~
../include/linux/i2c.h:780:2: note: in expansion of macro ‘module_driver’
  780 |  module_driver(__i2c_driver, i2c_add_driver, \
      |  ^~~~~~~~~~~~~
../drivers/media/i2c/useruto/imx390.c:104:1: note: in expansion of macro ‘module_i2c_driver’
  104 | module_i2c_driver(imx390_serdes_driver);
      | ^~~~~~~~~~~~~~~~~
In file included from ../drivers/media/i2c/useruto/imx390.c:18:
../drivers/media/i2c/useruto/imx390.c:104:19: note: ‘init_module’ target declared here
  104 | module_i2c_driver(imx390_serdes_driver);
      |                   ^~~~~~~~~~~~~~~~~~~~
../include/linux/device.h:1500:19: note: in definition of macro ‘module_driver’
 1500 | static int __init __driver##_init(void) \
      |                   ^~~~~~~~
../drivers/media/i2c/useruto/imx390.c:104:1: note: in expansion of macro ‘module_i2c_driver’
  104 | module_i2c_driver(imx390_serdes_driver);
      | ^~~~~~~~~~~~~~~~~