From 96a6575e23b5baebcdd38269b80f47cc02a2627e Mon Sep 17 00:00:00 2001
From: Mattias Andrée <m@maandree.se>
Date: Fri, 21 Mar 2025 16:50:15 +0100
Subject: Refactor
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Mattias Andrée <m@maandree.se>
---
 src/util.c | 61 ++++++++++++++++++-------------------------------------------
 1 file changed, 18 insertions(+), 43 deletions(-)

(limited to 'src/util.c')

diff --git a/src/util.c b/src/util.c
index a562fd2..0c1adc9 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1,4 +1,5 @@
-/* redshift-ng - Automatically adjust display colour temperature according the Sun
+/*-
+ * redshift-ng - Automatically adjust display colour temperature according the Sun
  * 
  * Copyright (c) 2009-2018        Jon Lund Steffensen <jonlst@gmail.com>
  * Copyright (c) 2014-2016, 2025  Mattias Andrée <m@maandree.se>
@@ -188,43 +189,28 @@ try_path_opendir(const struct env_path *path_spec, const char **path_out, char *
 
 
 #ifndef WINDOWS
-int
+void
 pipe_rdnonblock(int pipefds[2])
 {
 	int i, flags;
 
-	/* Try to use pipe2(2) create O_CLOEXEC pipe, preferably with O_DIRECT */
+	/* Try to use pipe2(2) create O_CLOEXEC pipe */
 # if defined(__linux__) && !defined(MISSING_PIPE2)
-	if (!pipe2(pipefds, O_CLOEXEC | O_DIRECT)) {
+	if (!pipe2(pipefds, O_CLOEXEC))
 		goto apply_nonblock;
-	} else if (errno == EINVAL) {
-		if (!pipe2(pipefds, O_CLOEXEC)) {
-			goto apply_nonblock;
-		} else if (errno != ENOSYS) {
-			weprintf("pipe2 <buffer> O_CLOEXEC:");
-			return -1;
-		}
-	} else if (errno != ENOSYS) {
-		weprintf("pipe2 <buffer> O_CLOEXEC|O_DIRECT:");
-		return -1;
-	}
+	else if (errno != ENOSYS)
+		eprintf("pipe2 <buffer> O_CLOEXEC:");
 # endif
 
-	/* Fallback for when pipe2(2) is not available (also indicates O_DIRECT cannot be used) */
-	if (pipe(pipefds)) {
-		weprintf("pipe:");
-		return -1;
-	}
+	/* Fallback for when pipe2(2) is not available */
+	if (pipe(pipefds))
+		eprintf("pipe:");
 	for (i = 0; i < 2; i++) {
 		flags = fcntl(pipefds[i], F_GETFD);
-		if (flags == -1) {
-			weprintf("fcntl <pipe> F_GETFD:");
-			goto fail;
-		}
-		if (fcntl(pipefds[i], F_SETFD, flags | O_CLOEXEC)) {
-			weprintf("fcntl <pipe> F_SETFD +O_CLOEXEC:");
-			goto fail;
-		}
+		if (flags == -1)
+			eprintf("fcntl <pipe> F_GETFD:");
+		if (fcntl(pipefds[i], F_SETFD, flags | O_CLOEXEC))
+			eprintf("fcntl <pipe> F_SETFD +O_CLOEXEC:");
 	}
 
 	/* Make the read-end non-blocking */
@@ -232,20 +218,9 @@ pipe_rdnonblock(int pipefds[2])
 apply_nonblock:
 # endif
 	flags = fcntl(pipefds[0], F_GETFL);
-	if (flags == -1) {
-		weprintf("fcntl <pipe> F_GETFL:");
-		goto fail;
-	}
-	if (fcntl(pipefds[0], F_SETFL, flags | O_NONBLOCK)) {
-		weprintf("fcntl <pipe> F_SETFL +O_NONBLOCK:");
-		goto fail;
-	}
-
-	return 0;
-
-fail:
-	close(pipefds[0]);
-	close(pipefds[1]);
-	return -1;
+	if (flags == -1)
+		eprintf("fcntl <pipe> F_GETFL:");
+	if (fcntl(pipefds[0], F_SETFL, flags | O_NONBLOCK))
+		eprintf("fcntl <pipe> F_SETFL +O_NONBLOCK:");
 }
 #endif
-- 
cgit v1.2.3-70-g09d2