Commit Graph

8 Commits

Author SHA1 Message Date
Janne Blomqvist 581d232670 PR 60324 Unbounded stack allocations in libgfortran.
2014-11-13  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/60324
	* configure: Regenerated.
	* configure.ac (AM_CFLAGS): Add Werror=vla.
	* libgfortran.h (gfc_alloca): Remove macro.
	(fc_strdup_notrim): New prototype.
	* intrinsics/access.c (access_func): Use fc_strdup rather than
	stack allocation.
	* intrinsics/chdir.c (chdir_i4_sub): Likewise.
	(chdir_i8_sub): Likewise.
	* intrinsics/chmod.c (chmod_internal): New function, move logic
	here.
	(chmod_func): Call chmod_internal.
	* intrinsics/env.c (getenv): Use fc_strdup rather than stack
	allocation.
	(get_environment_variable_i4): Likewise.
	* intrinsics/execute_command_line.c (execute_command_line):
	Likewise.
	* intrinsics/hostnm.c (hostnm_0): New function, use static buffer
	rather than VLA.
	(hostnm_i4_sub): Call hostnm_0.
	(hostnm_i8_sub): Likewise.
	(hostnm): Likewise.
	* intrinsics/link.c (link_internal): New function, use fc_strdup
	rather than stack allocation.
	(link_i4_sub): Call link_internal.
	(link_i8_sub): Likewise.
	(link_i4): Likewise.
	(link_i8): Likewise.
	* intrinsics/perror.c (perror_sub): Use fc_strdup rather than
	stack allocation.
	* intrinsics/random.c (random_seed_i4): Use static buffer rather
	than VLA, use _Static_assert to make sure it's big enough.
	* intrinsics/rename.c (rename_internal): New function, use
	fc_strdup rather than stack allocation.
	(rename_i4_sub): Call rename_internal.
	(rename_i8_sub): Likewise.
	(rename_i4): Likewise.
	(rename_i8): Likewise.
	* intrinsics/stat.c (stat_i4_sub_0): Use fc_strdup rather than
	stack allocation.
	(stat_i8_sub_0): Likewise.
	* intrinsics/symlink.c (symlnk_internal): New function, use
	fc_strdup rather than stack allocation.
	(symlnk_i4_sub): Call symlnk_internal.
	(symlnk_i8_sub): Likewise.
	(symlnk_i4): Likewise.
	(symlnk_i8): Likewise.
	* intrinsics/system.c (system_sub): Use fc_strdup rather than
	stack allocation.
	* intrinsics/unlink.c (unlink_i4_sub): Likewise.
	* io/file_pos.c (READ_CHUNK): Make it a macro rather than variable.
	* io/list_read.c (nml_get_obj_data): Use fixed stack buffer, fall
	back to xmalloc/free for large sizes.
	* io/read.c (read_f): Likewise.
	* io/transfer.c (MAX_READ): Make it a macro rather than variable.
	(WRITE_CHUNK): Likewise.
	* io/write_float.def (write_float): Use fixed stack buffer, fall
	back to xmalloc/free for large sizes.
	* runtime/string.c (fc_strdup_notrim): New function.

From-SVN: r217480
2014-11-13 14:05:01 +02:00
Richard Sandiford f0bcf62899 Update copyright years in libgfortran/
From-SVN: r206296
2014-01-02 22:25:45 +00:00
Janne Blomqvist f5e3ed2d42 Use C99 bool instead of enum try.
2013-03-19  Janne Blomqvist  <jb@gcc.gnu.org>

	* libgfortran.h: Include stdbool.h.
	(enum try): Remove.
	(notify_std): Change return type to bool.
	* intrinsics/chmod.c: Don't include stdbool.h.
	* intrinsics/execute_command_line.c: Likewise.
	* io/format.c: Likewise.
	* io/list_read.c (nml_parse_qualifier): Change return type to bool.
	(nml_read_obj): Likewise.
	(nml_get_obj_data): Likewise.
	* io/transfer.c (read_block_form): Fix comment.
	(write_buf): Change return type to bool.
	* io/write.c: Don't include stdbool.h.
	* io/write_float.def (output_float): Change return type to bool.
	(output_float_FMT_G_ ## x): Change type of result variable.
	* runtime/error.c (notify_std): Change return type to bool.

From-SVN: r196791
2013-03-19 13:13:32 +02:00
Tobias Burnus 43b594b4c2 transfer.c (read_block_direct): Correct condition.
2013-03-11  Tobias Burnus  <burnus@net-b.de>

        * io/transfer.c (read_block_direct): Correct condition.
        * intrinsics/execute_command_line.c (execute_command_line):
        Remove dead code for the HAVE_FORK case.

From-SVN: r196603
2013-03-11 19:55:18 +01:00
Richard Sandiford e3c063ceda Update copyright years in libgfortran.
From-SVN: r195167
2013-01-14 18:20:58 +00:00
Janne Blomqvist 7454437875 Configure cleanup.
2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>

	* configure.ac (AC_STDC_HEADERS): Remove.
	(AC_HEADER_TIME): Remove.
	(AC_HAVE_HEADERS, AC_CHECK_HEADERS): Move into a single invocation
	of AC_CHECK_HEADERS_ONCE, don't check for presence of C89 headers.
	(AC_CHECK_MEMBERS): Use single invocation.
	(AC_CHECK_FUNCS): Move into single invocation of
	AC_CHEC_FUNCS_ONCE, don't check for presence of C89 functions.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* intrinsics/clock.c: Include time.h.
	(mclock): Assume clock() is present.
	(mclock8): Likewise.
	* intrinsics/ctime.c (strctime): Assume strftime is present.
	(fdate): Assume time() is present.
	(fdate_sub): Likewise.
	(ctime): Likewise.
	* intrinsics/date_and_time.c: Don't provide abs macro.
	(HAVE_NO_DATE_TIME): Remove code related to macro which is never
	set.
	* intrinsics/execute_command_line.c: Assume stdlib.h is present.
	* intrinsics/exit.c: Likewise.
	* intrinsics/extends_type_of.c: Likewise.
	* intrinsics/gerror.c: Assume strerror() is present.
	* intrinsics/kill.c: Assume signal.h is present.
	* intrinsics/malloc.c: Assume stdlib.h is present.
	* intrinsics/move_alloc.c: Likewise.
	* intrinsics/perror.c: Assume perror() is present.
	* intrinsics/signal.c: Assume signal.h is present.
	* intrinsics/stat.c: Assume stdlib.h is present.
	* intrinsics/system.c: Likewise.
	* intrinsics/time.c: Include time.h, assume time() is present.
	* intrinsics/time_1.h: Conditionally include sys/time.h,
	unconditionally time.h.
	(gf_cputime): Do division in double, fallback using clock().
	(gf_gettime): Assume time() is present.
	* intrinsics/umask.c: Assume stdlib.h is present.
	* runtime/backtrace.c: Likewise.
	* runtime/compile_options.c: Assume signal.h is present, assume
	C89 signals are present.
	* runtime/error.c: Assume signal.h and stdlib.h are present.

From-SVN: r181227
2011-11-09 20:25:58 +02:00
Tobias Burnus b4224aec54 re PR libfortran/48961 (EXECUTE_COMMAND_LINE(WAIT=.false.) fails on MinGW)
2011-05-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48961
        * intrinsics/execute_command_line.c (set_cmdstat): Don't abort if
        synchronously executing with WAIT=.false.
        (execute_command_line): Fix setting of cmdstat and exitstat.

From-SVN: r173748
2011-05-14 08:35:18 +02:00
Francois-Xavier Coudert c14c81552a intrinsic.c: Add EXECUTE_COMMAND_LINE intrinsic.
* intrinsic.c: Add EXECUTE_COMMAND_LINE intrinsic.
	* intrinsic.h (gfc_resolve_execute_command_line): New function.
	* iresolve.c (gfc_resolve_execute_command_line): New function.
	* gfortran.h (GFC_ISYM_EXECUTE_COMMAND_LINE): New value.
	* intrinsic.texi: Document EXECUTE_COMMAND_LINE.

	* intrinsics/execute_command_line.c: New file.
	* gfortran.map (_gfortran_execute_command_line_i4,
	_gfortran_execute_command_line_i8): New symbols.
	* Makefile.am: Add new file intrinsics/execute_command_line.c.
	* Makefile.in: Regenerated.

	* gfortran.dg/execute_command_line_1.f90: New test.

From-SVN: r163719
2010-09-01 08:33:11 +00:00