glibc/intl/plural-eval.c
Ulrich Drepper 701666b77d * nss/nsswitch.c (__nss_lookup_function): Don't cast &ni->known to
void **.
	* nss/nsswitch.h (service_user): Use void * type for KNOWN field.

	* nss/nss_files/files-hosts.c (LINE_PARSER): Cast host_addr to
	char * to avoid warning.
	* nis/nss_nis/nis-hosts.c (LINE_PARSER): Likewise.

	* timezone/Makefile (CFLAGS-zdump.c): Add -fwrapv.

	* locale/programs/ld-ctype.c (ctype_finish, set_class_defaults,
	allocate_arrays): Cast second argument to charmap_find_symbol
	to char * to avoid warnings.

	* locale/programs/repertoire.c (repertoire_new_char): Change
	from_nr, to_nr and cnt to unsigned long, adjust printf format
	string.

	* locale/programs/ld-collate.c (insert_value, handle_ellipsis):
	Cast second argument to new_element to char * to avoid warnings.

	* locale/weightwc.h (findidx): Cast &extra[-i] to const int32_t *.

	* intl/gettextP.h (struct loaded_domain): Change plural to const
	struct expression *.
	* intl/plural-eval.c (plural_eval): Change first argument to
	const struct expression *.
	* intl/plural-exp.c (EXTRACT_PLURAL_EXPRESSION): Change first
	argument to const struct expression **.
	* intl/plural-exp.h (EXTRACT_PLURAL_EXPRESSION, plural_eval): Adjust
	prototypes.
	* intl/loadmsgcat (_nl_unload_domain): Cast away const
	in call to __gettext_free_exp.

	* posix/fnmatch.c (fnmatch): Rearrange code to avoid maybe
	unitialized wstring/wpattern var warnings.

	* posix/runtests.c (struct a_test): Make data field const char *.

	* stdio-common/tst-sprintf2.c (main): Don't declere u, v and buf
	vars if not LDBL_MANT_DIG >= 106.

	* stdio-common/Makefile (CFLAGS-vfwprintf.c): Add -Wno-unitialized.

	* stdio-common/vfprintf.c (vfprintf): Cast first arugment to
	__find_specmb to avoid warning.

	* rt/tst-mqueue1.c (do_one_test): Add casts to avoid warnings.

	* debug/test-strcpy_chk.c (do_tests, do_random_tests): Add casts
	to avoid warnings.

	* sysdeps/ieee754/ldbl-96/s_roundl.c (huge): Add L suffix to
	initializer.

	* sysdeps/unix/clock_gettime.c (clock_gettime): Only define
	tv var when it will be actually used.

	* sunrpc/rpc_cmsg.c (xdr_callmsg): Cast IXDR_PUT_* to void
	to avoid warnings.
2007-07-28 20:36:21 +00:00

102 lines
2.7 KiB
C

/* Plural expression evaluation.
Copyright (C) 2000, 2001, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
static unsigned long int plural_eval (const struct expression *pexp,
unsigned long int n)
internal_function;
static unsigned long int
internal_function
plural_eval (pexp, n)
const struct expression *pexp;
unsigned long int n;
{
switch (pexp->nargs)
{
case 0:
switch (pexp->operation)
{
case var:
return n;
case num:
return pexp->val.num;
default:
break;
}
/* NOTREACHED */
break;
case 1:
{
/* pexp->operation must be lnot. */
unsigned long int arg = plural_eval (pexp->val.args[0], n);
return ! arg;
}
case 2:
{
unsigned long int leftarg = plural_eval (pexp->val.args[0], n);
if (pexp->operation == lor)
return leftarg || plural_eval (pexp->val.args[1], n);
else if (pexp->operation == land)
return leftarg && plural_eval (pexp->val.args[1], n);
else
{
unsigned long int rightarg = plural_eval (pexp->val.args[1], n);
switch (pexp->operation)
{
case mult:
return leftarg * rightarg;
case divide:
return leftarg / rightarg;
case module:
return leftarg % rightarg;
case plus:
return leftarg + rightarg;
case minus:
return leftarg - rightarg;
case less_than:
return leftarg < rightarg;
case greater_than:
return leftarg > rightarg;
case less_or_equal:
return leftarg <= rightarg;
case greater_or_equal:
return leftarg >= rightarg;
case equal:
return leftarg == rightarg;
case not_equal:
return leftarg != rightarg;
default:
break;
}
}
/* NOTREACHED */
break;
}
case 3:
{
/* pexp->operation must be qmop. */
unsigned long int boolarg = plural_eval (pexp->val.args[0], n);
return plural_eval (pexp->val.args[boolarg ? 1 : 2], n);
}
}
/* NOTREACHED */
return 0;
}