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authorEric Andersen2000-07-14 18:39:08 +0000
committerEric Andersen2000-07-14 18:39:08 +0000
commitadd09fd558c8a336554fbf8b381ab0f8e180382a (patch)
tree2ccbcd48f335161c647be3f2c296cae06aceb671 /coreutils/date.c
parent17ad45aace3141d1b997208a43979495ead98f7c (diff)
downloadbusybox-add09fd558c8a336554fbf8b381ab0f8e180382a.zip
busybox-add09fd558c8a336554fbf8b381ab0f8e180382a.tar.gz
Getopt'ed by Marc Nijdam <marc_nijdam@hp.com>
-Erik
Diffstat (limited to 'coreutils/date.c')
-rw-r--r--coreutils/date.c70
1 files changed, 30 insertions, 40 deletions
diff --git a/coreutils/date.c b/coreutils/date.c
index bc6d131..3ede123 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -159,7 +159,7 @@ int date_main(int argc, char **argv)
char *date_str = NULL;
char *date_fmt = NULL;
char *t_buff;
- int i;
+ char c;
int set_time = 0;
int rfc822 = 0;
int utc = 0;
@@ -168,49 +168,39 @@ int date_main(int argc, char **argv)
struct tm tm_time;
/* Interpret command line args */
- i = --argc;
- argv++;
- while (i > 0 && **argv) {
- if (**argv == '-') {
- while (i > 0 && *++(*argv))
- switch (**argv) {
- case 'R':
- rfc822 = 1;
- break;
- case 's':
- set_time = 1;
- if (date_str != NULL)
- usage(date_usage);
- date_str = *argv;
- break;
- case 'u':
- utc = 1;
- if (putenv("TZ=UTC0") != 0)
- fatalError(memory_exhausted);
- break;
- case 'd':
- use_arg = 1;
- if (date_str != NULL)
- usage(date_usage);
- date_str = *argv;
- break;
- case '-':
- usage(date_usage);
- }
- } else {
- if ((date_fmt == NULL) && (**argv == '+'))
- date_fmt = *argv + 1; /* Skip over the '+' */
- else if (date_str == NULL) {
- set_time = 1;
- date_str = *argv;
- } else {
+ while ((c = getopt(argc, argv, "Rs:ud:")) != EOF) {
+ switch (c) {
+ case 'R':
+ rfc822 = 1;
+ break;
+ case 's':
+ set_time = 1;
+ if ((date_str != NULL) || ((date_str = optarg) == NULL))
usage(date_usage);
- }
+ break;
+ case 'u':
+ utc = 1;
+ if (putenv("TZ=UTC0") != 0)
+ fatalError(memory_exhausted);
+ break;
+ case 'd':
+ use_arg = 1;
+ if ((date_str != NULL) || ((date_str = optarg) == NULL))
+ usage(date_usage);
+ break;
+ default:
+ usage(date_usage);
}
- i--;
- argv++;
}
+ if ((date_fmt == NULL) && (optind < argc) && (argv[optind][0] == '+'))
+ date_fmt = &argv[optind][1]; /* Skip over the '+' */
+ else if (date_str == NULL) {
+ set_time = 1;
+ date_str = argv[optind];
+ } else {
+ usage(date_usage);
+ }
/* Now we have parsed all the information except the date format
which depends on whether the clock is being set or read */