libbb/ask_confirmation.c: shrink

function                                             old     new   delta
bb_ask_confirmation                                   95      76     -19

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 9 deletions

diff --git a/libbb/ask_confirmation.c b/libbb/ask_confirmation.c
index 9dfbd15cf..e0e94195e 100644
--- a/libbb/ask_confirmation.c
+++ b/libbb/ask_confirmation.c
@@ -10,23 +10,18 @@
 /* Read a line from stdin.  If the first non-whitespace char is 'y' or 'Y',
  * return 1.  Otherwise return 0.
  */
-
 #include "libbb.h"
 
 int FAST_FUNC bb_ask_confirmation(void)
 {
-        int retval = 0;
-        int first = 1;
+        char first = 0;
         int c;
 
         while (((c = getchar()) != EOF) && (c != '\n')) {
-                if (first && !isspace(c)) {
-                        --first;
-                        if ((c == 'y') || (c == 'Y')) {
-                                ++retval;
-                        }
+                if (first == 0 && !isblank(c)) {
+                        first = c|0x20;
                 }
         }
 
-        return retval;
+        return first == 'y';
 }