151 lines
3.0 KiB
C
151 lines
3.0 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include "config.h"
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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#include "misc.h"
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#include "filter.h"
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struct _filter {
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char *flag;
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filter *next;
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};
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filter *
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new_filter(const char *filt,
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filter *filters)
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{
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while (strlen(filt) > 0) {
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filter *new_filter;
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/* break up the filt list */
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char *end = strchr(filt, ',');
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char *next;
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int len;
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if (end == NULL) {
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end = strchr(filt, '\0');
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next = end;
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}
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else {
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next = end + 1;
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}
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len = end - filt;
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/* add to filter list */
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new_filter = ZALLOC(filter);
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new_filter->flag = (char*)zalloc(len + 1);
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strncpy(new_filter->flag, filt, len);
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new_filter->next = filters;
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filters = new_filter;
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filt = next;
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}
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return filters;
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}
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int
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is_filtered_out(const char *flags,
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filter *filters)
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{
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while (strlen(flags) > 0) {
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int present;
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filter *filt = filters;
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/* break the string up */
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char *end = strchr(flags, ',');
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char *next;
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int len;
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if (end == NULL) {
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end = strchr(flags, '\0');
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next = end;
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}
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else {
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next = end + 1;
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}
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len = end - flags;
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/* check that it is present */
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present = 0;
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filt = filters;
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while (filt != NULL) {
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if (strncmp(flags, filt->flag, len) == 0
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&& strlen(filt->flag) == len) {
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present = 1;
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break;
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}
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filt = filt->next;
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}
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if (!present)
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return 1;
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flags = next;
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}
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return 0;
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}
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int
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it_is(const char *flag,
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const char *flags)
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{
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int flag_len = strlen(flag);
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while (*flags != '\0') {
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if (!strncmp(flags, flag, flag_len)
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&& (flags[flag_len] == ',' || flags[flag_len] == '\0'))
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return 1;
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while (*flags != ',') {
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if (*flags == '\0')
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return 0;
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flags++;
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}
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flags++;
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}
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return 0;
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}
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#ifdef MAIN
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int
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main(int argc, char **argv)
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{
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filter *filters = NULL;
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int i;
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if (argc < 2) {
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printf("Usage: filter <flags> <filter> ...\n");
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exit (1);
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}
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/* load the filter up */
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for (i = 2; i < argc; i++)
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filters = new_filter(argv[i], filters);
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if (is_filtered_out(argv[1], filters))
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printf("fail\n");
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else
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printf("pass\n");
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return 0;
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}
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#endif
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