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2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>

	* io/write.c (namelist_write): Remove unused variable "i".

2018-01-06  Dominique d'Humieres  <dominiq@lps.ens.fr>
	    Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/83704
	* io/write.c (write_character): Use size_t instead of int for
	length.

2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/78534
	* intrinsics/args.c (getarg_i4): Use gfc_charlen_type.
	(get_command_argument_i4): Likewise.
	(get_command_i4): Likewise.
	* intrinsics/chmod.c (chmod_internal): Likewise.
	* intrinsics/env.c (get_environment_variable_i4): Likewise.
	* intrinsics/extends_type_of.c (struct vtype): Use size_t for size
	member.
	* intrinsics/gerror.c (gerror): Use gfc_charlen_type.
	* intrinsics/getlog.c (getlog): Likewise.
	* intrinsics/hostnm.c (hostnm_0): Likewise.
	* intrinsics/string_intrinsics_inc.c (string_len_trim): Rework to
	work if gfc_charlen_type is unsigned.
	(string_scan): Likewise.
	* io/transfer.c (transfer_character): Modify prototype.
	(transfer_character_write): Likewise.
	(transfer_character_wide): Likewise.
	(transfer_character_wide_write): Likewise.
	(transfer_array): Typecast to avoid signed-unsigned comparison.
	* io/unit.c (is_trim_ok): Use gfc_charlen_type.
	* io/write.c (namelist_write): Likewise.
	* libgfortran.h (gfc_charlen_type): Change typedef to size_t.

2018-01-03  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

2018-01-02  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libgfortran/83649
	* io/unix.c (MAX_CHUNK): New define.
	(raw_read): For reads larger than MAX_CHUNK, loop.
	(raw_write): Write no more than MAX_CHUNK bytes per iteration.

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