X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fyesno.c;h=a364a1b18dd9ec0a7e001d2120086b17453d9e8f;hb=fc86a0be1b68e4b24d9249d763d33701b3a81623;hp=44c437caf7bb3b7c0e7ae8bb8fa0637595f6f088;hpb=68a08efda875a2dde4556ff451588751dd89da7f;p=gnulib.git diff --git a/lib/yesno.c b/lib/yesno.c index 44c437caf..a364a1b18 100644 --- a/lib/yesno.c +++ b/lib/yesno.c @@ -1,5 +1,7 @@ /* yesno.c -- read a yes/no response from stdin - Copyright (C) 1990 Free Software Foundation, Inc. + + Copyright (C) 1990, 1998, 2001, 2003, 2004, 2005 Free Software + Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -13,40 +15,39 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H -#include +# include #endif -#include -#ifdef HAVE_STDLIB_H -# include -#endif +#include "yesno.h" + +#include #include -/* Read one line from standard input - and return nonzero if that line begins with y or Y, - otherwise return 0. */ +#include "getline.h" + +/* Return true if we read an affirmative line from standard input. */ -int rpmatch (); +extern int rpmatch (char const *response); -int -yesno () +bool +yesno (void) { - /* We make some assumptions here: - a) leading white space in the response are not vital - b) the first 128 characters of the answer are enough (the rest can - be ignored) - I cannot think for a situation where this is not ok. --drepper@gnu */ - char buf[128]; - int len = 0; - int c; - - while ((c = getchar ()) != EOF && c != '\n') - if ((len > 0 && len < 127) || (len == 0 && !isspace (c))) - buf[len++] = c; - buf[len] = '\0'; - - return rpmatch (buf) == 1; + char *response = NULL; + size_t response_size = 0; + ssize_t response_len = getline (&response, &response_size, stdin); + bool yes; + + if (response_len <= 0) + yes = false; + else + { + response[response_len - 1] = '\0'; + yes = (0 < rpmatch (response)); + } + + free (response); + return yes; }