/* vi: set sw=4 ts=4: */ /* * bb_ask_confirmation implementation for busybox * * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> * * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ /* Read a line from stdin. If the first non-whitespace char is 'y' or 'Y', * return 1. Otherwise return 0. */ #include "libbb.h" int bb_ask_confirmation(void) { int retval = 0; int first = 1; int c; while (((c = getchar()) != EOF) && (c != '\n')) { /* Make sure we get the actual function call for isspace, * as speed is not critical here. */ if (first && !(isspace)(c)) { --first; if ((c == 'y') || (c == 'Y')) { ++retval; } } } return retval; }