2 Copyright (C) 1995-1998, 2000-2002, 2007 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #include "file-list.h"
33 /* A convenience macro. I don't like writing gettext() every time. */
34 #define _(str) gettext (str)
37 /* Read list of filenames from a file. */
39 read_names_from_file (const char *file_name)
42 char *line_buf = NULL;
44 string_list_ty *result;
46 if (strcmp (file_name, "-") == 0)
50 fp = fopen (file_name, "r");
52 error (EXIT_FAILURE, errno,
53 _("error while opening \"%s\" for reading"), file_name);
56 result = string_list_alloc ();
60 /* Read next line from file. */
61 int len = getline (&line_buf, &line_len, fp);
63 /* In case of an error leave loop. */
67 /* Remove trailing '\n' and trailing whitespace. */
68 if (len > 0 && line_buf[len - 1] == '\n')
69 line_buf[--len] = '\0';
71 && (line_buf[len - 1] == ' '
72 || line_buf[len - 1] == '\t'
73 || line_buf[len - 1] == '\r'))
74 line_buf[--len] = '\0';
76 /* Test if we have to ignore the line. */
77 if (*line_buf == '\0' || *line_buf == '#')
80 string_list_append_unique (result, line_buf);
83 /* Free buffer allocated through getline. */
87 /* Close input stream. */