1 /* Test suite for exclude.
2    Copyright (C) 2009-2021 Free Software Foundation, Inc.
3    This file is part of the GNUlib Library.
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 3 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, see <https://www.gnu.org/licenses/>.  */
17 
18 #include <config.h>
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <errno.h>
22 #include <string.h>
23 #include <stdbool.h>
24 #include <fnmatch.h>
25 
26 #include "exclude.h"
27 #include "error.h"
28 #include "argmatch.h"
29 
30 #ifndef FNM_CASEFOLD
31 # define FNM_CASEFOLD 0
32 #endif
33 #ifndef FNM_LEADING_DIR
34 # define FNM_LEADING_DIR 0
35 #endif
36 
37 char const * const exclude_keywords[] = {
38   "noescape",
39   "pathname",
40   "period",
41   "leading_dir",
42   "casefold",
43   "anchored",
44   "include",
45   "wildcards",
46   NULL
47 };
48 
49 int exclude_flags[] = {
50   FNM_NOESCAPE,
51   FNM_PATHNAME,
52   FNM_PERIOD,
53   FNM_LEADING_DIR,
54   FNM_CASEFOLD,
55   EXCLUDE_ANCHORED,
56   EXCLUDE_INCLUDE,
57   EXCLUDE_WILDCARDS
58 };
59 
60 ARGMATCH_VERIFY (exclude_keywords, exclude_flags);
61 
62 /* Some packages define ARGMATCH_DIE and ARGMATCH_DIE_DECL in <config.h>, and
63    thus must link with a definition of that function.  Provide it here.  */
64 #ifdef ARGMATCH_DIE_DECL
65 
66 _Noreturn ARGMATCH_DIE_DECL;
67 ARGMATCH_DIE_DECL { exit (1); }
68 
69 #endif
70 
71 int
main(int argc,char ** argv)72 main (int argc, char **argv)
73 {
74   int exclude_options = 0;
75   struct exclude *exclude = new_exclude ();
76 
77   if (argc == 1)
78     error (1, 0, "usage: %s file -- words...", argv[0]);
79 
80   while (--argc)
81     {
82       char *opt = *++argv;
83       if (opt[0] == '-')
84         {
85           int neg = 0;
86           int flag;
87           char *s = opt + 1;
88 
89           if (opt[1] == '-' && opt[2] == 0)
90             {
91               argc--;
92               break;
93             }
94           if (strlen (s) > 3 && memcmp (s, "no-", 3) == 0)
95             {
96               neg = 1;
97               s += 3;
98             }
99           flag = XARGMATCH (opt, s, exclude_keywords, exclude_flags);
100           if (neg)
101             exclude_options &= ~flag;
102           else
103             exclude_options |= flag;
104 
105           /* Skip this test if invoked with -leading-dir on a system that
106              lacks support for FNM_LEADING_DIR. */
107           if (strcmp (s, "leading_dir") == 0 && FNM_LEADING_DIR == 0)
108             exit (77);
109 
110           /* Likewise for -casefold and FNM_CASEFOLD.  */
111           if (strcmp (s, "casefold") == 0 && FNM_CASEFOLD == 0)
112             exit (77);
113         }
114       else if (add_exclude_file (add_exclude, exclude, opt,
115                                  exclude_options, '\n') != 0)
116         error (1, errno, "error loading %s", opt);
117     }
118 
119   for (; argc; --argc)
120     {
121       char *word = *++argv;
122 
123       printf ("%s: %d\n", word, excluded_file_name (exclude, word));
124     }
125 
126   free_exclude (exclude);
127   return 0;
128 }
129