.lib file is a static library file or DLL implicit linking file?

This is a discussion on .lib file is a static library file or DLL implicit linking file? within the C++ Programming forums, part of the General Programming Boards category; Hello everyone, If I am given a .lib file, how can I check whether the .lib file is a static ...

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    .lib file is a static library file or DLL implicit linking file?

    Hello everyone,


    If I am given a .lib file, how can I check whether the .lib file is a static library file (archive of obj files) or DLL implicit linking file? I have such confusion since they both use the same extension name .lib.


    regards,
    George

  2. #2
    Cat without Hat CornedBee's Avatar
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    Did a .dll with the same name come with it? Is the library size appropriate for the amount of functionality it contains, or is it much smaller? These are usually your best clues.

    If that doesn't help, you should look for a tool that displays the dependency information of the lib; if it's an import lib, the DLL will be there.
    All the buzzt!
    CornedBee

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
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    Thank you CornedBee,


    Quote Originally Posted by CornedBee
    Did a .dll with the same name come with it? Is the library size appropriate for the amount of functionality it contains, or is it much smaller? These are usually your best clues.
    I think your above solution is not a perfect solution since if there is no accompanied DLL file and when the knowledge of exported function of the DLL is very limited, the solution will not work. Right?

    Quote Originally Posted by CornedBee
    If that doesn't help, you should look for a tool that displays the dependency information of the lib; if it's an import lib, the DLL will be there.
    Seems a very good idea! Could you talk more details, like what tool to use and how to use?


    regards,
    George

  4. #4
    (?<!re)tired Mario F.'s Avatar
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    I believe Dependency Walker will do this for you. If the library is not static, it will show you the depending DLL
    The programmer’s wife tells him: “Run to the store and pick up a loaf of bread. If they have eggs, get a dozen.”
    The programmer comes home with 12 loaves of bread.


    Originally Posted by brewbuck:
    Reimplementing a large system in another language to get a 25% performance boost is nonsense. It would be cheaper to just get a computer which is 25% faster.

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    Thank you Mario!


    Quote Originally Posted by Mario F.
    I believe Dependency Walker will do this for you. If the library is not static, it will show you the depending DLL
    I am using Microsoft Visual Studio 2003, and in this environment, which tool should I use? I can find find a tool called "Dependency Walker" from the listed tools of Visual Studio 2003.


    regards,
    George

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