68ed285428
Since we require C11 now, we can assume many headers exist, and clean up all of the conditional includes. It's not like any of this code actually accounted for the headers not existing, just whether we could include them. The strings.h cleanup is a little nuanced: it isn't in C11, but every use of it in the codebase will include strings.h only if string.h doesn't exist. Since we now assume the C11 string.h exists, we'll never include strings.h, so we can delete it.
144 lines
2.9 KiB
C
144 lines
2.9 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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include "build-config.h"
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#include <string.h>
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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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