file_magic_write()

void tfxx::ioswap::file_magic_write	(	std::ostream &	os,
		const char *const	cmagic,
		const bool &	fortranmode = false
	)

Write magic number to file. ,.

write magic number to file

Parameters

os	output stream to write to
cmagic	4-byte character sequence representing magic number (most restrictive: pass a const pointer to a const char) is pointer to character array of size sizeof(int)
fortranmode	use Fortran binary I/O if true

Examples:

tests/fortraniotest.cc.

Definition at line 135 of file ioswap.cc.

References tfxx::ioswap::IOUnion< T >::bytes, magic(), and tfxx::ioswap::IOUnion< T >::value.

Referenced by write_data(), and tfxx::hacks::write_grepg_c().

{
  IOUnion<int> ifour, imagic;
  ifour.value=sizeof(int);
  imagic.value=magic(cmagic);
  if (fortranmode) os.write(ifour.bytes, sizeof(int));
  os.write(imagic.bytes, sizeof(int));
  if (fortranmode) os.write(ifour.bytes, sizeof(int));
} // file_magic_write()

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