[Asterisk-code-review] utils: Don't set or clear flags that don't need setting or c... (asterisk[master])

Joshua C. Colp asteriskteam at digium.com
Wed Dec 12 13:12:20 CST 2018


Joshua C. Colp has submitted this change and it was merged. ( https://gerrit.asterisk.org/10795 )

Change subject: utils: Don't set or clear flags that don't need setting or clearing
......................................................................

utils: Don't set or clear flags that don't need setting or clearing

Change-Id: I0e7fb507ac09b15e45e1ff8501ecfca67afa5217
---
M main/utils.c
1 file changed, 8 insertions(+), 0 deletions(-)

Approvals:
  Benjamin Keith Ford: Looks good to me, but someone else must approve
  Joshua C. Colp: Looks good to me, but someone else must approve; Approved for Submit
  George Joseph: Looks good to me, approved



diff --git a/main/utils.c b/main/utils.c
index e0b8a6e..b45e7b5 100644
--- a/main/utils.c
+++ b/main/utils.c
@@ -2730,9 +2730,17 @@
 
 	switch (op) {
 	case AST_FD_FLAG_SET:
+		if ((f & flags) == flags) {
+			/* There is nothing to set */
+			return 0;
+		}
 		f |= flags;
 		break;
 	case AST_FD_FLAG_CLEAR:
+		if (!(f & flags)) {
+			/* There is nothing to clear */
+			return 0;
+		}
 		f &= ~flags;
 		break;
 	default:

-- 
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Gerrit-Project: asterisk
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I0e7fb507ac09b15e45e1ff8501ecfca67afa5217
Gerrit-Change-Number: 10795
Gerrit-PatchSet: 1
Gerrit-Owner: Sean Bright <sean.bright at gmail.com>
Gerrit-Reviewer: Benjamin Keith Ford <bford at digium.com>
Gerrit-Reviewer: Friendly Automation (1000185)
Gerrit-Reviewer: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: Joshua C. Colp <jcolp at digium.com>
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