Sync printf family return value with ISO C which specifies that
authormillert <millert@openbsd.org>
Tue, 13 Oct 2015 12:25:04 +0000 (12:25 +0000)
committermillert <millert@openbsd.org>
Tue, 13 Oct 2015 12:25:04 +0000 (12:25 +0000)
commit05bac98d8ef1e3b8516c4401abd24c49da6105f3
tree5665befa7bba3cd1d3a00d7f3bae1ee9e7cd9599
parent1b33e826a0432cd66f6def1d51493f1a50bddc93
Sync printf family return value with ISO C which specifies that
these functions return a negative value on failure.
OK doug@ deraadt@
lib/libc/stdio/printf.3