src/gromacs/utility/fileptr.h

   1 /*
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  35 /*! \file
  36  * \brief Declares guard pointer for RAII-style handling of cstdio
  37  * FILE pointers.
  38  *
  39  * \author Mark Abraham <mark.j.abraham@gmail.com>
  40  * \inpublicapi
  41  * \ingroup module_utility
  42  */
  43 #ifndef GMX_UTILITY_FILEPTR_H
  44 #define GMX_UTILITY_FILEPTR_H
  45
  46 #include <cstdio>
  47
  48 #include "gromacs/utility/unique_cptr.h"
  49
  50 namespace gmx
  51 {
  52
  53 //! fclose wrapper to be used as unique_ptr deleter
  54 inline void fclose_wrapper(FILE *fp)
  55 {
  56     fclose(fp); // NOLINT(cppcoreguidelines-owning-memory)
  57 }
  58
  59 //! Simple guard pointer which calls fclose. See unique_cptr for details.
  60 using FilePtr = std::unique_ptr < FILE, functor_wrapper < FILE, fclose_wrapper>>;
  61
  62 } // namespace gmx
  63
  64 #endif