git: e819534f1530 - main - bectl: Use geopt() and drop mention of -?.
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Date: Mon, 18 Mar 2024 13:59:06 UTC
The branch main has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=e819534f15308c92afd19166254604995766ce32 commit e819534f15308c92afd19166254604995766ce32 Author: Dag-Erling Smørgrav <des@FreeBSD.org> AuthorDate: 2024-03-18 13:49:18 +0000 Commit: Dag-Erling Smørgrav <des@FreeBSD.org> CommitDate: 2024-03-18 13:49:18 +0000 bectl: Use geopt() and drop mention of -?. MFC after: 3 days PR: 272260 Reviewed by: kevans Differential Revision: https://reviews.freebsd.org/D44405 --- sbin/bectl/bectl.8 | 9 ++++----- sbin/bectl/bectl.c | 45 +++++++++++++++++++++++---------------------- 2 files changed, 27 insertions(+), 27 deletions(-) diff --git a/sbin/bectl/bectl.8 b/sbin/bectl/bectl.8 index 93244c52ce4d..be927d123e9f 100644 --- a/sbin/bectl/bectl.8 +++ b/sbin/bectl/bectl.8 @@ -13,7 +13,7 @@ .\" documentation and/or other materials provided with the distribution. .\" .\" -.Dd October 5, 2023 +.Dd March 18, 2024 .Dt BECTL 8 .Os .Sh NAME @@ -21,7 +21,7 @@ .Nd Utility to manage boot environments on ZFS .Sh SYNOPSIS .Nm -.Op Fl h\&? +.Op Fl h .Nm .Op Fl r Ar beroot .Cm activate @@ -115,10 +115,9 @@ flag to work. .Ss Supported Subcommands and Flags .Bl -tag -width activate .It Xo -.Fl h | -.Fl \&? +.Fl h .Xc -Print usage information. +Print usage information and exit. .It Xo .Cm activate .Op Fl t | Fl T diff --git a/sbin/bectl/bectl.c b/sbin/bectl/bectl.c index e398e055a3b2..68f3de5b7e78 100644 --- a/sbin/bectl/bectl.c +++ b/sbin/bectl/bectl.c @@ -64,7 +64,7 @@ usage(bool explicit) fp = explicit ? stdout : stderr; fprintf(fp, "%s", - "Usage:\tbectl {-h | -? | subcommand [args...]}\n" + "Usage:\tbectl {-h | subcommand [args...]}\n" #if SOON "\tbectl [-r beroot] add (path)*\n" #endif @@ -545,27 +545,31 @@ main(int argc, char *argv[]) { struct command_map_entry *cmd; const char *command; - char *root; - int rc; + char *root = NULL; + int opt, rc; - cmd = NULL; - root = NULL; - if (argc < 2) - return (usage(false)); - - if (strcmp(argv[1], "-r") == 0) { - if (argc < 4) - return (usage(false)); - root = strdup(argv[2]); - command = argv[3]; - argc -= 3; - argv += 3; - } else { - command = argv[1]; - argc -= 1; - argv += 1; + while ((opt = getopt(argc, argv, "hr:")) != -1) { + switch (opt) { + case 'h': + exit(usage(true)); + case 'r': + root = strdup(optarg); + break; + default: + exit(usage(false)); + } } + argc -= optind; + argv += optind; + + if (argc == 0) + exit(usage(false)); + + command = *argv; + optreset = 1; + optind = 1; + /* Handle command aliases */ if (strcmp(command, "umount") == 0) command = "unmount"; @@ -573,9 +577,6 @@ main(int argc, char *argv[]) if (strcmp(command, "ujail") == 0) command = "unjail"; - if ((strcmp(command, "-?") == 0) || (strcmp(command, "-h") == 0)) - return (usage(true)); - if ((cmd = get_cmd_info(command)) == NULL) { fprintf(stderr, "Unknown command: %s\n", command); return (usage(false));