git: 3f0b048a24bc - stable/13 - daemon: add braces to while loop

From: Kyle Evans <kevans_at_FreeBSD.org>
Date: Fri, 17 Mar 2023 21:01:39 UTC
The branch stable/13 has been updated by kevans:

URL: https://cgit.FreeBSD.org/src/commit/?id=3f0b048a24bcd0ea691bca5a012d5c5cd5203f51

commit 3f0b048a24bcd0ea691bca5a012d5c5cd5203f51
Author:     Ihor Antonov <ihor@antonovs.family>
AuthorDate: 2023-03-03 05:17:02 +0000
Commit:     Kyle Evans <kevans@FreeBSD.org>
CommitDate: 2023-03-17 21:01:03 +0000

    daemon: add braces to while loop
    
    Reviewed by:    kevans
    Pull Request:   https://github.com/freebsd/freebsd-src/pull/672
    
    (cherry picked from commit d6c398d882b61e02e6f061be81886b9675f3fb5c)
---
 usr.sbin/daemon/daemon.c | 33 +++++++++++++++++----------------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/usr.sbin/daemon/daemon.c b/usr.sbin/daemon/daemon.c
index 2274a3e253a0..d1efebd0fcc2 100644
--- a/usr.sbin/daemon/daemon.c
+++ b/usr.sbin/daemon/daemon.c
@@ -154,7 +154,7 @@ main(int argc, char *argv[])
 	const char *user = NULL;
 	int ch = 0;
 	int keep_cur_workdir = 1;
-	int pfd[2] = { -1, -1 };
+	int pipe_fd[2] = { -1, -1 };
 	int restart = 0;
 	int stdmask = STDOUT_FILENO | STDERR_FILENO;
 	struct log_params logparams = {
@@ -360,7 +360,7 @@ main(int argc, char *argv[])
 			goto exit;
 		}
 restart:
-		if (pipe(pfd)) {
+		if (pipe(pipe_fd)) {
 			err(1, "pipe");
 		}
 		/*
@@ -389,23 +389,23 @@ restart:
 		 * and dup'd pipes.
 		 */
 		if (supervision_enabled) {
-			close(pfd[0]);
+			close(pipe_fd[0]);
 			if (sigprocmask(SIG_SETMASK, &mask_orig, NULL)) {
 				err(1, "sigprogmask");
 			}
 			if (stdmask & STDERR_FILENO) {
-				if (dup2(pfd[1], STDERR_FILENO) == -1) {
+				if (dup2(pipe_fd[1], STDERR_FILENO) == -1) {
 					err(1, "dup2");
 				}
 			}
 			if (stdmask & STDOUT_FILENO) {
-				if (dup2(pfd[1], STDOUT_FILENO) == -1) {
+				if (dup2(pipe_fd[1], STDOUT_FILENO) == -1) {
 					err(1, "dup2");
 				}
 			}
-			if (pfd[1] != STDERR_FILENO &&
-			    pfd[1] != STDOUT_FILENO) {
-				close(pfd[1]);
+			if (pipe_fd[1] != STDERR_FILENO &&
+			    pipe_fd[1] != STDOUT_FILENO) {
+				close(pipe_fd[1]);
 			}
 		}
 		execvp(argv[0], argv);
@@ -424,8 +424,8 @@ restart:
 		warn("sigprocmask");
 		goto exit;
 	}
-	close(pfd[1]);
-	pfd[1] = -1;
+	close(pipe_fd[1]);
+	pipe_fd[1] = -1;
 
 	setproctitle("%s[%d]", title, (int)pid);
 	/*
@@ -463,8 +463,9 @@ restart:
 				warn("sigprocmask");
 				goto exit;
 			}
-			while (!terminate && !child_gone)
+			while (!terminate && !child_gone) {
 				sigsuspend(&mask_orig);
+			}
 			if (sigprocmask(SIG_UNBLOCK, &mask_susp, NULL)) {
 				warn("sigprocmask");
 				goto exit;
@@ -477,7 +478,7 @@ restart:
 			goto exit;
 		}
 
-		child_eof = !listen_child(pfd[0], &logparams);
+		child_eof = !listen_child(pipe_fd[0], &logparams);
 
 		if (sigprocmask(SIG_UNBLOCK, &mask_read, NULL)) {
 			warn("sigprocmask");
@@ -493,14 +494,14 @@ restart:
 		goto exit;
 	}
 	if (restart && !terminate) {
-		close(pfd[0]);
-		pfd[0] = -1;
+		close(pipe_fd[0]);
+		pipe_fd[0] = -1;
 		goto restart;
 	}
 exit:
 	close(logparams.output_fd);
-	close(pfd[0]);
-	close(pfd[1]);
+	close(pipe_fd[0]);
+	close(pipe_fd[1]);
 	if (logparams.syslog_enabled) {
 		closelog();
 	}