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/* This file is part of the program psim.
Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
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.
*/
#include <stdio.h>
#include "build-config.h"
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#include "misc.h"
#include "filter.h"
struct _filter {
char *flag;
filter *next;
};
filter *
new_filter(const char *filt,
filter *filters)
{
while (strlen(filt) > 0) {
filter *new_filter;
/* break up the filt list */
char *end = strchr(filt, ',');
char *next;
int len;
if (end == NULL) {
end = strchr(filt, '\0');
next = end;
}
else {
next = end + 1;
}
len = end - filt;
/* add to filter list */
new_filter = ZALLOC(filter);
new_filter->flag = (char*)zalloc(len + 1);
strncpy(new_filter->flag, filt, len);
new_filter->next = filters;
filters = new_filter;
filt = next;
}
return filters;
}
int
is_filtered_out(const char *flags,
filter *filters)
{
while (strlen(flags) > 0) {
int present;
filter *filt = filters;
/* break the string up */
char *end = strchr(flags, ',');
char *next;
int len;
if (end == NULL) {
end = strchr(flags, '\0');
next = end;
}
else {
next = end + 1;
}
len = end - flags;
/* check that it is present */
present = 0;
filt = filters;
while (filt != NULL) {
if (strncmp(flags, filt->flag, len) == 0
&& strlen(filt->flag) == len) {
present = 1;
break;
}
filt = filt->next;
}
if (!present)
return 1;
flags = next;
}
return 0;
}
int
it_is(const char *flag,
const char *flags)
{
int flag_len = strlen(flag);
while (*flags != '\0') {
if (!strncmp(flags, flag, flag_len)
&& (flags[flag_len] == ',' || flags[flag_len] == '\0'))
return 1;
while (*flags != ',') {
if (*flags == '\0')
return 0;
flags++;
}
flags++;
}
return 0;
}
#ifdef MAIN
int
main(int argc, char **argv)
{
filter *filters = NULL;
int i;
if (argc < 2) {
printf("Usage: filter <flags> <filter> ...\n");
exit (1);
}
/* load the filter up */
for (i = 2; i < argc; i++)
filters = new_filter(argv[i], filters);
if (is_filtered_out(argv[1], filters))
printf("fail\n");
else
printf("pass\n");
return 0;
}
#endif
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