1169695Skan/* An abstract string datatype.
2169695Skan   Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
3169695Skan   Contributed by Mark Mitchell (mark@markmitchell.com).
4169695Skan
5169695SkanThis file is part of GCC.
6169695Skan
7169695SkanGCC is free software; you can redistribute it and/or modify
8169695Skanit under the terms of the GNU General Public License as published by
9169695Skanthe Free Software Foundation; either version 2, or (at your option)
10169695Skanany later version.
11169695Skan
12169695SkanGCC is distributed in the hope that it will be useful,
13169695Skanbut WITHOUT ANY WARRANTY; without even the implied warranty of
14169695SkanMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15169695SkanGNU General Public License for more details.
16169695Skan
17169695SkanYou should have received a copy of the GNU General Public License
18169695Skanalong with GCC; see the file COPYING.  If not, write to
19169695Skanthe Free Software Foundation, 51 Franklin Street - Fifth Floor,
20169695SkanBoston, MA 02110-1301, USA.  */
21169695Skan
22169695Skan
23169695Skantypedef struct dyn_string
24169695Skan{
25169695Skan  int allocated;	/* The amount of space allocated for the string.  */
26169695Skan  int length;		/* The actual length of the string.  */
27169695Skan  char *s;		/* The string itself, NUL-terminated.  */
28169695Skan}* dyn_string_t;
29169695Skan
30169695Skan/* The length STR, in bytes, not including the terminating NUL.  */
31169695Skan#define dyn_string_length(STR)                                          \
32169695Skan  ((STR)->length)
33169695Skan
34169695Skan/* The NTBS in which the contents of STR are stored.  */
35169695Skan#define dyn_string_buf(STR)                                             \
36169695Skan  ((STR)->s)
37169695Skan
38169695Skan/* Compare DS1 to DS2 with strcmp.  */
39169695Skan#define dyn_string_compare(DS1, DS2)                                    \
40169695Skan  (strcmp ((DS1)->s, (DS2)->s))
41169695Skan
42169695Skan
43169695Skanextern int dyn_string_init (struct dyn_string *, int);
44169695Skanextern dyn_string_t dyn_string_new (int);
45169695Skanextern void dyn_string_delete (dyn_string_t);
46169695Skanextern char *dyn_string_release (dyn_string_t);
47169695Skanextern dyn_string_t dyn_string_resize (dyn_string_t, int);
48169695Skanextern void dyn_string_clear (dyn_string_t);
49169695Skanextern int dyn_string_copy (dyn_string_t, dyn_string_t);
50169695Skanextern int dyn_string_copy_cstr (dyn_string_t, const char *);
51169695Skanextern int dyn_string_prepend (dyn_string_t, dyn_string_t);
52169695Skanextern int dyn_string_prepend_cstr (dyn_string_t, const char *);
53169695Skanextern int dyn_string_insert (dyn_string_t, int, dyn_string_t);
54169695Skanextern int dyn_string_insert_cstr (dyn_string_t, int, const char *);
55169695Skanextern int dyn_string_insert_char (dyn_string_t, int, int);
56169695Skanextern int dyn_string_append (dyn_string_t, dyn_string_t);
57169695Skanextern int dyn_string_append_cstr (dyn_string_t, const char *);
58169695Skanextern int dyn_string_append_char (dyn_string_t, int);
59169695Skanextern int dyn_string_substring (dyn_string_t,  dyn_string_t, int, int);
60169695Skanextern int dyn_string_eq (dyn_string_t, dyn_string_t);
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