| 1 | /* This file is part of the program psim. |
| 2 | |
| 3 | Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 2 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the Free Software |
| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | |
| 24 | #include "config.h" |
| 25 | |
| 26 | #ifdef HAVE_STRING_H |
| 27 | #include <string.h> |
| 28 | #else |
| 29 | #ifdef HAVE_STRINGS_H |
| 30 | #include <strings.h> |
| 31 | #endif |
| 32 | #endif |
| 33 | |
| 34 | #include "misc.h" |
| 35 | #include "filter.h" |
| 36 | |
| 37 | struct _filter { |
| 38 | char *flag; |
| 39 | filter *next; |
| 40 | }; |
| 41 | |
| 42 | |
| 43 | filter * |
| 44 | new_filter(const char *filt, |
| 45 | filter *filters) |
| 46 | { |
| 47 | while (strlen(filt) > 0) { |
| 48 | filter *new_filter; |
| 49 | /* break up the filt list */ |
| 50 | char *end = strchr(filt, ','); |
| 51 | char *next; |
| 52 | int len; |
| 53 | if (end == NULL) { |
| 54 | end = strchr(filt, '\0'); |
| 55 | next = end; |
| 56 | } |
| 57 | else { |
| 58 | next = end + 1; |
| 59 | } |
| 60 | len = end - filt; |
| 61 | /* add to filter list */ |
| 62 | new_filter = ZALLOC(filter); |
| 63 | new_filter->flag = (char*)zalloc(len + 1); |
| 64 | strncpy(new_filter->flag, filt, len); |
| 65 | new_filter->next = filters; |
| 66 | filters = new_filter; |
| 67 | filt = next; |
| 68 | } |
| 69 | return filters; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | int |
| 74 | is_filtered_out(const char *flags, |
| 75 | filter *filters) |
| 76 | { |
| 77 | while (strlen(flags) > 0) { |
| 78 | int present; |
| 79 | filter *filt = filters; |
| 80 | /* break the string up */ |
| 81 | char *end = strchr(flags, ','); |
| 82 | char *next; |
| 83 | int len; |
| 84 | if (end == NULL) { |
| 85 | end = strchr(flags, '\0'); |
| 86 | next = end; |
| 87 | } |
| 88 | else { |
| 89 | next = end + 1; |
| 90 | } |
| 91 | len = end - flags; |
| 92 | /* check that it is present */ |
| 93 | present = 0; |
| 94 | filt = filters; |
| 95 | while (filt != NULL) { |
| 96 | if (strncmp(flags, filt->flag, len) == 0 |
| 97 | && strlen(filt->flag) == len) { |
| 98 | present = 1; |
| 99 | break; |
| 100 | } |
| 101 | filt = filt->next; |
| 102 | } |
| 103 | if (!present) |
| 104 | return 1; |
| 105 | flags = next; |
| 106 | } |
| 107 | return 0; |
| 108 | } |
| 109 | |
| 110 | |
| 111 | int |
| 112 | it_is(const char *flag, |
| 113 | const char *flags) |
| 114 | { |
| 115 | int flag_len = strlen(flag); |
| 116 | while (*flags != '\0') { |
| 117 | if (!strncmp(flags, flag, flag_len) |
| 118 | && (flags[flag_len] == ',' || flags[flag_len] == '\0')) |
| 119 | return 1; |
| 120 | while (*flags != ',') { |
| 121 | if (*flags == '\0') |
| 122 | return 0; |
| 123 | flags++; |
| 124 | } |
| 125 | flags++; |
| 126 | } |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | |
| 131 | #ifdef MAIN |
| 132 | int |
| 133 | main(int argc, char **argv) |
| 134 | { |
| 135 | filter *filters = NULL; |
| 136 | int i; |
| 137 | if (argc < 2) { |
| 138 | printf("Usage: filter <flags> <filter> ...\n"); |
| 139 | exit (1); |
| 140 | } |
| 141 | /* load the filter up */ |
| 142 | for (i = 2; i < argc; i++) |
| 143 | filters = new_filter(argv[i], filters); |
| 144 | if (is_filtered_out(argv[1], filters)) |
| 145 | printf("fail\n"); |
| 146 | else |
| 147 | printf("pass\n"); |
| 148 | return 0; |
| 149 | } |
| 150 | #endif |