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- /* str-list.c: define routines for string lists.
-
- 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/str-list.h>
-
-
- /* See the .h file for comments. */
-
-
- str_list_type
- str_list_init P1H(void)
- {
- str_list_type ret;
-
- STR_LIST_LENGTH (ret) = 0;
- STR_LIST (ret) = NULL;
-
- return ret;
- }
-
-
- void
- str_list_add P2C(str_list_type *, l, string, s)
- {
- STR_LIST_LENGTH (*l)++;
- XRETALLOC (STR_LIST (*l), STR_LIST_LENGTH (*l), string);
- STR_LIST_LAST_ELT (*l) = s;
- }
-
-
- /* May as well save some reallocations and do everything in a chunk
- instead of calling str_list_add on each element. */
-
- void
- str_list_concat P2C(str_list_type *, target, str_list_type, more)
- {
- unsigned e;
- unsigned prev_len = STR_LIST_LENGTH (*target);
-
- STR_LIST_LENGTH (*target) += STR_LIST_LENGTH (more);
- XRETALLOC (STR_LIST (*target), STR_LIST_LENGTH (*target), string);
-
- for (e = 0; e < STR_LIST_LENGTH (more); e++)
- STR_LIST_ELT (*target, prev_len + e) = STR_LIST_ELT (more, e);
- }
-
-
- /* Free the list (but not the elements within it). */
-
- void
- str_list_free P1C(str_list_type *, l)
- {
- if (STR_LIST (*l))
- {
- free (STR_LIST (*l));
- STR_LIST (*l) = NULL;
- }
- }
-