xref: /openbsd-src/gnu/gcc/include/dyn-string.h (revision 404b540a9034ac75a6199ad1a32d1bbc7a0d4210)
1*404b540aSrobert /* An abstract string datatype.
2*404b540aSrobert    Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
3*404b540aSrobert    Contributed by Mark Mitchell (mark@markmitchell.com).
4*404b540aSrobert 
5*404b540aSrobert This file is part of GCC.
6*404b540aSrobert 
7*404b540aSrobert GCC is free software; you can redistribute it and/or modify
8*404b540aSrobert it under the terms of the GNU General Public License as published by
9*404b540aSrobert the Free Software Foundation; either version 2, or (at your option)
10*404b540aSrobert any later version.
11*404b540aSrobert 
12*404b540aSrobert GCC is distributed in the hope that it will be useful,
13*404b540aSrobert but WITHOUT ANY WARRANTY; without even the implied warranty of
14*404b540aSrobert MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*404b540aSrobert GNU General Public License for more details.
16*404b540aSrobert 
17*404b540aSrobert You should have received a copy of the GNU General Public License
18*404b540aSrobert along with GCC; see the file COPYING.  If not, write to
19*404b540aSrobert the Free Software Foundation, 51 Franklin Street - Fifth Floor,
20*404b540aSrobert Boston, MA 02110-1301, USA.  */
21*404b540aSrobert 
22*404b540aSrobert 
23*404b540aSrobert typedef struct dyn_string
24*404b540aSrobert {
25*404b540aSrobert   int allocated;	/* The amount of space allocated for the string.  */
26*404b540aSrobert   int length;		/* The actual length of the string.  */
27*404b540aSrobert   char *s;		/* The string itself, NUL-terminated.  */
28*404b540aSrobert }* dyn_string_t;
29*404b540aSrobert 
30*404b540aSrobert /* The length STR, in bytes, not including the terminating NUL.  */
31*404b540aSrobert #define dyn_string_length(STR)                                          \
32*404b540aSrobert   ((STR)->length)
33*404b540aSrobert 
34*404b540aSrobert /* The NTBS in which the contents of STR are stored.  */
35*404b540aSrobert #define dyn_string_buf(STR)                                             \
36*404b540aSrobert   ((STR)->s)
37*404b540aSrobert 
38*404b540aSrobert /* Compare DS1 to DS2 with strcmp.  */
39*404b540aSrobert #define dyn_string_compare(DS1, DS2)                                    \
40*404b540aSrobert   (strcmp ((DS1)->s, (DS2)->s))
41*404b540aSrobert 
42*404b540aSrobert 
43*404b540aSrobert extern int dyn_string_init (struct dyn_string *, int);
44*404b540aSrobert extern dyn_string_t dyn_string_new (int);
45*404b540aSrobert extern void dyn_string_delete (dyn_string_t);
46*404b540aSrobert extern char *dyn_string_release (dyn_string_t);
47*404b540aSrobert extern dyn_string_t dyn_string_resize (dyn_string_t, int);
48*404b540aSrobert extern void dyn_string_clear (dyn_string_t);
49*404b540aSrobert extern int dyn_string_copy (dyn_string_t, dyn_string_t);
50*404b540aSrobert extern int dyn_string_copy_cstr (dyn_string_t, const char *);
51*404b540aSrobert extern int dyn_string_prepend (dyn_string_t, dyn_string_t);
52*404b540aSrobert extern int dyn_string_prepend_cstr (dyn_string_t, const char *);
53*404b540aSrobert extern int dyn_string_insert (dyn_string_t, int, dyn_string_t);
54*404b540aSrobert extern int dyn_string_insert_cstr (dyn_string_t, int, const char *);
55*404b540aSrobert extern int dyn_string_insert_char (dyn_string_t, int, int);
56*404b540aSrobert extern int dyn_string_append (dyn_string_t, dyn_string_t);
57*404b540aSrobert extern int dyn_string_append_cstr (dyn_string_t, const char *);
58*404b540aSrobert extern int dyn_string_append_char (dyn_string_t, int);
59*404b540aSrobert extern int dyn_string_substring (dyn_string_t,  dyn_string_t, int, int);
60*404b540aSrobert extern int dyn_string_eq (dyn_string_t, dyn_string_t);
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