From: Denys Vlasenko <dvlasenk@redhat.com>
Date: Fri, 17 Sep 2010 16:02:17 +0000 (+0200)
Subject: shell/math: better comment. no code changes
X-Git-Tag: 1_18_0~198
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=395b97aeac4ac25dca32bd8480441ce64c17f7d9;p=oweals%2Fbusybox.git

shell/math: better comment. no code changes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
---

diff --git a/shell/math.c b/shell/math.c
index 9d3b912a7..760645d0f 100644
--- a/shell/math.c
+++ b/shell/math.c
@@ -652,10 +652,10 @@ evaluate_string(arith_state_t *math_state, const char *expr)
 		 * integer stack.
 		 * But for binary operators, "apply" everything on the operator
 		 * stack until we find an operator with a lesser priority than the
-		 * one we have just extracted.
+		 * one we have just extracted. If op is right-associative,
+		 * then stop "applying" on the equal priority too.
 		 * Left paren is given the lowest priority so it will never be
 		 * "applied" in this way.
-		 * if associativity is right and priority eq, applied also skip
 		 */
 		prec = PREC(op);
 		if ((prec > 0 && prec < UNARYPREC) || prec == SPEC_PREC) {