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libbb/ask_confirmation.c: shrink

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function                                             old     new   delta
bb_ask_confirmation                                   95      76     -19

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-10-27 09:49:04 +01:00
parent b204e6b61a
commit 52b971f516
1 changed files with 4 additions and 9 deletions
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13
libbb/ask_confirmation.c
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@ -10,23 +10,18 @@
/* Read a line from stdin. If the first non-whitespace char is 'y' or 'Y', /* Read a line from stdin. If the first non-whitespace char is 'y' or 'Y',
* return 1. Otherwise return 0. * return 1. Otherwise return 0.
*/ */
#include "libbb.h" #include "libbb.h"
int FAST_FUNC bb_ask_confirmation(void) int FAST_FUNC bb_ask_confirmation(void)
{ {
int retval = 0; char first = 0;
int first = 1;
int c; int c;
while (((c = getchar()) != EOF) && (c != '\n')) { while (((c = getchar()) != EOF) && (c != '\n')) {
if (first && !isspace(c)) { if (first == 0 && !isblank(c)) {
--first; first = c|0x20;
if ((c == 'y') || (c == 'Y')) {
++retval;
}
} }
} }
return retval; return first == 'y';
} }