git: 3aac05f56620 - main - pwait: Fix timeout unit parser

The branch main has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=3aac05f56620712744cb57d71a0ef42f8d8e3b52

commit 3aac05f56620712744cb57d71a0ef42f8d8e3b52
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2025-09-23 12:56:04 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2025-09-23 12:56:04 +0000

    pwait: Fix timeout unit parser
    
    The timeout parser would check the first character after the number and
    ignore any subsequent ones.
    
    While here, switch to bool for booleans and fix some style nits.
    
    MFC after:      1 week
    Reviewed by:    0mp, markj
    Differential Revision:  https://reviews.freebsd.org/D52612
---
 bin/pwait/pwait.c | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/bin/pwait/pwait.c b/bin/pwait/pwait.c
index 0fae22562607..a78c0bb84ca8 100644
--- a/bin/pwait/pwait.c
+++ b/bin/pwait/pwait.c
@@ -39,6 +39,7 @@
 #include <err.h>
 #include <errno.h>
 #include <signal.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -48,7 +49,6 @@
 static void
 usage(void)
 {
-
 	fprintf(stderr, "usage: pwait [-t timeout] [-ov] pid ...\n");
 	exit(EX_USAGE);
 }
@@ -61,15 +61,15 @@ main(int argc, char *argv[])
 {
 	struct itimerval itv;
 	struct kevent *e;
-	int oflag, tflag, verbose;
-	int i, kq, n, nleft, opt, status;
-	long pid;
 	char *end, *s;
 	double timeout;
+	long pid;
+	int i, kq, n, nleft, opt, status;
+	bool oflag, tflag, verbose;
 
-	oflag = 0;
-	tflag = 0;
-	verbose = 0;
+	oflag = false;
+	tflag = false;
+	verbose = false;
 	memset(&itv, 0, sizeof(itv));
 
 	while ((opt = getopt(argc, argv, "ot:v")) != -1) {
@@ -78,25 +78,31 @@ main(int argc, char *argv[])
 			oflag = 1;
 			break;
 		case 't':
-			tflag = 1;
+			tflag = true;
 			errno = 0;
 			timeout = strtod(optarg, &end);
 			if (end == optarg || errno == ERANGE || timeout < 0) {
 				errx(EX_DATAERR, "timeout value");
 			}
-			switch(*end) {
-			case 0:
+			switch (*end) {
+			case '\0':
+				break;
 			case 's':
+				end++;
 				break;
 			case 'h':
 				timeout *= 60;
 				/* FALLTHROUGH */
 			case 'm':
 				timeout *= 60;
+				end++;
 				break;
 			default:
 				errx(EX_DATAERR, "timeout unit");
 			}
+			if (*end != '\0') {
+				errx(EX_DATAERR, "timeout unit");
+			}
 			if (timeout > 100000000L) {
 				errx(EX_DATAERR, "timeout value");
 			}
@@ -106,7 +112,7 @@ main(int argc, char *argv[])
 			    (suseconds_t)(timeout * 1000000UL);
 			break;
 		case 'v':
-			verbose = 1;
+			verbose = true;
 			break;
 		default:
 			usage();
@@ -134,7 +140,7 @@ main(int argc, char *argv[])
 	for (n = 0; n < argc; n++) {
 		s = argv[n];
 		/* Undocumented Solaris compat */
-		if (!strncmp(s, "/proc/", 6)) {
+		if (strncmp(s, "/proc/", 6) == 0) {
 			s += 6;
 		}
 		errno = 0;