Found the following significant warnings:
  ../inst/include/ut_debug.h:188:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ut_debug.c:102:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ifultools.Rcheck/00install.out’ for details.
* used C compiler: ‘Debian clang version 15.0.6’
File ‘ifultools/libs/ifultools.so’:
  Found ‘__sprintf_chk’, possibly from ‘sprintf’ (C)
    Object: ‘ut_debug.o’

Compiled code should not call entry points which might terminate R nor
write to stdout/stderr instead of to the console, nor use Fortran I/O
nor system RNGs nor [v]sprintf.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Found the following significant warnings:
  ../inst/include/ut_debug.h:188:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ut_debug.c:102:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/ifultools.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc-12 (Debian 12.2.0-14) 12.2.0’
File ‘ifultools/libs/ifultools.so’:
  Found ‘__sprintf_chk’, possibly from ‘sprintf’ (C)
    Object: ‘ut_debug.o’

Compiled code should not call entry points which might terminate R nor
write to stdout/stderr instead of to the console, nor use Fortran I/O
nor system RNGs nor [v]sprintf.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Found the following significant warnings:
  ../inst/include/ut_debug.h:188:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ut_debug.c:102:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/ifultools.Rcheck/00install.out’ for details.
* used C compiler: ‘clang version 15.0.7’
File ‘ifultools/libs/ifultools.so’:
  Found ‘sprintf’, possibly from ‘sprintf’ (C)
    Object: ‘ut_debug.o’

Compiled code should not call entry points which might terminate R nor
write to stdout/stderr instead of to the console, nor use Fortran I/O
nor system RNGs nor [v]sprintf.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Found the following significant warnings:
  ../inst/include/ut_debug.h:188:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ut_debug.c:102:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-devel/ifultools.Rcheck/00install.out’ for details.
* used C compiler: ‘gcc (GCC) 12.2.1 20221121 (Red Hat 12.2.1-4)’
File ‘ifultools/libs/ifultools.so’:
  Found ‘__sprintf_chk’, possibly from ‘sprintf’ (C)
    Object: ‘ut_debug.o’

Compiled code should not call entry points which might terminate R nor
write to stdout/stderr instead of to the console, nor use Fortran I/O
nor system RNGs nor [v]sprintf.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.