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- /* truncate.c: truncate too-long components in a filename.
-
- Copyright (C) 1993 Karl Berry.
-
- 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include <kpathsea/config.h>
-
- #include <kpathsea/c-namemx.h>
- #include <kpathsea/c-pathch.h>
- #include <kpathsea/c-pathmx.h>
- #include <kpathsea/truncate.h>
-
-
- /* Truncate any too-long components in NAME, returning the result. It's
- too bad this is necessary. See comments in readable.c for why. */
-
- string
- kpse_truncate_filename P1C(const_string, name)
- {
- unsigned c_len = 0; /* Length of current component. */
- unsigned ret_len = 0; /* Length of constructed result. */
-
- /* Allocate enough space. */
- string ret = (string) xmalloc (strlen (name) + 1);
-
- for (; *name; name++)
- {
- if (IS_DIR_SEP (*name))
- { /* At a directory delimiter, reset component length. */
- c_len = 0;
- }
- else if (c_len > NAME_MAX)
- { /* If past the max for a component, ignore this character. */
- continue;
- }
-
- /* Copy this character. */
- ret[ret_len++] = *name;
- c_len++;
- }
- ret[ret_len] = 0;
-
- return ret;
- }
-