1 /* dstring.h - Dynamic string handling include file. Requires strings.h.
2 Copyright (C) 1990, 1991, 1992, 2004 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 2, or (at your option)
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
15 License along with this program; if not, write to the Free
16 Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301 USA. */
23 /* A dynamic string consists of record that records the size of an
24 allocated string and the pointer to that string. The actual string
25 is a normal zero byte terminated string that can be used with the
26 usual string functions. The major difference is that the
27 dynamic_string routines know how to get more space if it is needed
28 by allocating new space and copying the current string. */
32 int ds_length; /* Actual amount of storage allocated. */
33 char *ds_string; /* String. */
37 /* Macros that look similar to the original string functions.
38 WARNING: These macros work only on pointers to dynamic string records.
39 If used with a real record, an "&" must be used to get the pointer. */
40 #define ds_strlen(s) strlen ((s)->ds_string)
41 #define ds_strcmp(s1, s2) strcmp ((s1)->ds_string, (s2)->ds_string)
42 #define ds_strncmp(s1, s2, n) strncmp ((s1)->ds_string, (s2)->ds_string, n)
43 #define ds_index(s, c) index ((s)->ds_string, c)
44 #define ds_rindex(s, c) rindex ((s)->ds_string, c)
46 void ds_init (dynamic_string *string, int size);
47 void ds_resize (dynamic_string *string, int size);
48 char *ds_fgetname (FILE *f, dynamic_string *s);
49 char *ds_fgets (FILE *f, dynamic_string *s);
50 char *ds_fgetstr (FILE *f, dynamic_string *s, char eos);