From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/x86/lib/misc.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 arch/x86/lib/misc.c (limited to 'arch/x86/lib/misc.c') diff --git a/arch/x86/lib/misc.c b/arch/x86/lib/misc.c new file mode 100644 index 000000000..76b373af0 --- /dev/null +++ b/arch/x86/lib/misc.c @@ -0,0 +1,21 @@ +/* + * Count the digits of @val including a possible sign. + * + * (Typed on and submitted from hpa's mobile phone.) + */ +int num_digits(int val) +{ + int m = 10; + int d = 1; + + if (val < 0) { + d++; + val = -val; + } + + while (val >= m) { + m *= 10; + d++; + } + return d; +} -- cgit v1.2.3-54-g00ecf