diff options
author | Eric Andersen <andersen@codepoet.org> | 2000-07-14 22:39:08 +0400 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 2000-07-14 22:39:08 +0400 |
commit | add09fd558c8a336554fbf8b381ab0f8e180382a (patch) | |
tree | 2ccbcd48f335161c647be3f2c296cae06aceb671 /dmesg.c | |
parent | 17ad45aace3141d1b997208a43979495ead98f7c (diff) |
Getopt'ed by Marc Nijdam <marc_nijdam@hp.com>
-Erik
Diffstat (limited to 'dmesg.c')
-rw-r--r-- | dmesg.c | 56 |
1 files changed, 21 insertions, 35 deletions
@@ -44,50 +44,36 @@ static const char dmesg_usage[] = "dmesg [-c] [-n LEVEL] [-s SIZE]\n" int dmesg_main(int argc, char **argv) { - char *buf; + char *buf, c; int bufsize = 8196; int i; int n; int level = 0; int lastc; int cmd = 3; - int stopDoingThat; - argc--; - argv++; - - /* Parse any options */ - while (argc && **argv == '-') { - stopDoingThat = FALSE; - while (stopDoingThat == FALSE && *++(*argv)) { - switch (**argv) { - case 'c': - cmd = 4; - break; - case 'n': - cmd = 8; - if (--argc == 0) - goto end; - level = atoi(*(++argv)); - if (--argc > 0) - ++argv; - stopDoingThat = TRUE; - break; - case 's': - if (--argc == 0) - goto end; - bufsize = atoi(*(++argv)); - if (--argc > 0) - ++argv; - stopDoingThat = TRUE; - break; - default: - goto end; - } + while ((c = getopt(argc, argv, "cn:s:")) != EOF) { + switch (c) { + case 'c': + cmd = 4; + break; + case 'n': + cmd = 8; + if (optarg == NULL) + usage(dmesg_usage); + level = atoi(optarg); + break; + case 's': + if (optarg == NULL) + usage(dmesg_usage); + bufsize = atoi(optarg); + break; + default: + usage(dmesg_usage); } - } + } - if (argc > 1) { + if (optind < argc) { goto end; } |