Commit 43e5b666 authored Feb 12, 2015 by Rasmus Villemoes Committed by Linus Torvalds Feb 12, 2015

lib/vsprintf.c: replace while with do-while in skip_atoi

All callers of skip_atoi have already checked for the first character
being a digit.  In this case, gcc generates simpler code for a do
while-loop.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 2aa2f9e2

lib/vsprintf.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -114,8 +114,9 @@ int skip_atoi(const char **s)
		{
		int i = 0;

		while (isdigit(**s))
		do {
		i = i10 + ((*s)++) - '0';
		} while (isdigit(**s));

		return i;
		}