kc3-lang/gnulib/lib/ftruncate.c

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• Hash : 5d91e956
  Author :
  Date : 2011-09-25T14:10:58
  

  ftruncate: Support for MSVC 9.
  
  * lib/ftruncate.c: Include errno.h, msvc-inval.h.
  (chsize_nothrow): New function.
  (chsize): Redefine as a macro.
  * m4/ftruncate.m4 (gl_PREREQ_FTRUNCATE): Require AC_C_INLINE.
  * modules/ftruncate (Depends-on): Add msvc-inval.
  

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• lib/ftruncate.c

• /* ftruncate emulations for native Windows.
     This file is in the public domain.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include <unistd.h>
  
  #if HAVE_CHSIZE
  
  # include <errno.h>
  # include <io.h>
  
  # if HAVE_MSVC_INVALID_PARAMETER_HANDLER
  #  include "msvc-inval.h"
  static inline int
  chsize_nothrow (int fd, long length)
  {
    int result;
  
    TRY_MSVC_INVAL
      {
        result = chsize (fd, length);
      }
    CATCH_MSVC_INVAL
      {
        result = -1;
        errno = EBADF;
      }
    DONE_MSVC_INVAL;
  
    return result;
  }
  #  define chsize chsize_nothrow
  # endif
  
  int
  ftruncate (int fd, off_t length)
  {
    return chsize (fd, length);
  }
  
  #endif
  

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