[hackers] [sbase][PATCH] Minor optimizations for 'yes'

[AGitBoy]

---
 yes.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/yes.c b/yes.c
index dd97ea6..49f5ed6 100644
--- a/yes.c
+++ b/yes.c
@@ -6,13 +6,20 @@
 int
 main(int argc, char *argv[])
 {
-       char **p;
+       if (argc > 1) {
+               char **p;
 
-       argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;
+               argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;
 
-       for (p = argv; ; p = (*p && *(p + 1)) ? p + 1 : argv) {
-               fputs(*p ? *p : "y", stdout);
-               putchar((!*p || !*(p + 1)) ? '\n' : ' ');
+               for (p = argv; ; p = (*p && *(p + 1)) ? p + 1 : argv) {
+                       fputs(*p, stdout);
+                       putchar((!*p || !*(p + 1)) ? '\n' : ' ');
+               }
+       } else {
+               while (1) {
+                       fputc('y', stdout);
+                       fputc('\n', stdout);
+               }
        }
 
        return 1; /* not reached */
-- 
2.21.0