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Audit date(1)

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1) Update usage as already done in the manpage
2) group and sort local variable declarations
3) Be pedantic about the number of options. Don't just ignore it
   if argc > 1.
This commit is contained in:
FRIGN 2015-03-02 15:12:19 +01:00
parent 27656a0cbc
commit e50ee15a9c
2 changed files with 11 additions and 8 deletions
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2
README
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@ -23,7 +23,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
= cp yes none (-i) = cp yes none (-i)
=* cron non-posix none =* cron non-posix none
#* cut yes none #* cut yes none
=* date yes -u =*| date yes none
=*| dirname yes none =*| dirname yes none
=* du yes none =* du yes none
=*| echo yes none =*| echo yes none

17
date.c
View File

@ -8,20 +8,19 @@
static void static void
usage(void) usage(void)
{ {
eprintf("usage: %s [-u] [-d format] [+FORMAT]\n", argv0); eprintf("usage: %s [-u] [-d time] [+format]\n", argv0);
} }
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
char buf[BUFSIZ]; struct tm *now;
char *fmt = "%c";
struct tm *now = NULL;
struct tm *(*tztime)(const time_t *) = localtime; struct tm *(*tztime)(const time_t *) = localtime;
const char *tz = "local";
time_t t; time_t t;
char buf[BUFSIZ], *fmt = "%c", *tz = "local";
t = time(NULL); t = time(NULL);
ARGBEGIN { ARGBEGIN {
case 'd': case 'd':
t = estrtonum(EARGF(usage()), 0, LLONG_MAX); t = estrtonum(EARGF(usage()), 0, LLONG_MAX);
@ -34,8 +33,12 @@ main(int argc, char *argv[])
usage(); usage();
} ARGEND; } ARGEND;
if (argc > 0 && argv[0][0] == '+') if (argc) {
fmt = &argv[0][1]; if (argc != 1 || argv[0][0] != '+')
usage();
else
fmt = &argv[0][1];
}
if (!(now = tztime(&t))) if (!(now = tztime(&t)))
eprintf("%stime failed\n", tz); eprintf("%stime failed\n", tz);