diff options
| -rw-r--r-- | toys/other/factor.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/toys/other/factor.c b/toys/other/factor.c index f0e69c5d..47e1267b 100644 --- a/toys/other/factor.c +++ b/toys/other/factor.c @@ -2,7 +2,7 @@ * * Copyright 2014 Rob Landley <rob@landley.net> * - * No standard, but it's in coreutils + * See https://man7.org/linux/man-pages/man1/factor.1.html USE_FACTOR(NEWTOY(factor, 0, TOYFLAG_USR|TOYFLAG_BIN)) @@ -19,7 +19,7 @@ config FACTOR static void factor(char *s) { - unsigned long long l, ll; + unsigned long long l, ll, lll; for (;;) { char *err = s; @@ -55,9 +55,8 @@ static void factor(char *s) } // test odd numbers until square is > remainder or integer wrap. - for (ll=3; ;ll += 2) { - long lll = ll*ll; - + for (ll = 3;; ll += 2) { + lll = ll*ll; if (lll>l || lll<ll) { if (l>1) printf(" %llu", l); break; @@ -73,14 +72,11 @@ static void factor(char *s) void factor_main(void) { - if (toys.optc) { - char **ss; - - for (ss = toys.optargs; *ss; ss++) factor(*ss); - } else for (;;) { - char *s = 0; - size_t len = 0; + char *s = 0, **ss; + size_t len = 0; + if (toys.optc) for (ss = toys.optargs; *ss; ss++) factor(*ss); + else for (;;) { if (-1 == getline(&s, &len, stdin)) break; factor(s); } |