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1 /* An abstract string datatype.
2    Copyright (C) 1998, 1999, 2000, 2002, 2004, 2005, 2009
3    Free Software Foundation, Inc.
4    Contributed by Mark Mitchell (mark@markmitchell.com).
5 
6 This file is part of GCC.
7 
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
12 
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 GNU General Public License for more details.
17 
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING.  If not, write to
20 the Free Software Foundation, 51 Franklin Street - Fifth Floor,
21 Boston, MA 02110-1301, USA.  */
22 
23 #ifndef DYN_STRING_H
24 #define DYN_STRING_H
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 typedef struct dyn_string
31 {
32   int allocated;	/* The amount of space allocated for the string.  */
33   int length;		/* The actual length of the string.  */
34   char *s;		/* The string itself, NUL-terminated.  */
35 }* dyn_string_t;
36 
37 /* The length STR, in bytes, not including the terminating NUL.  */
38 #define dyn_string_length(STR)                                          \
39   ((STR)->length)
40 
41 /* The NTBS in which the contents of STR are stored.  */
42 #define dyn_string_buf(STR)                                             \
43   ((STR)->s)
44 
45 /* Compare DS1 to DS2 with strcmp.  */
46 #define dyn_string_compare(DS1, DS2)                                    \
47   (strcmp ((DS1)->s, (DS2)->s))
48 
49 
50 extern int dyn_string_init (struct dyn_string *, int);
51 extern dyn_string_t dyn_string_new (int);
52 extern void dyn_string_delete (dyn_string_t);
53 extern char *dyn_string_release (dyn_string_t);
54 extern dyn_string_t dyn_string_resize (dyn_string_t, int);
55 extern void dyn_string_clear (dyn_string_t);
56 extern int dyn_string_copy (dyn_string_t, dyn_string_t);
57 extern int dyn_string_copy_cstr (dyn_string_t, const char *);
58 extern int dyn_string_prepend (dyn_string_t, dyn_string_t);
59 extern int dyn_string_prepend_cstr (dyn_string_t, const char *);
60 extern int dyn_string_insert (dyn_string_t, int, dyn_string_t);
61 extern int dyn_string_insert_cstr (dyn_string_t, int, const char *);
62 extern int dyn_string_insert_char (dyn_string_t, int, int);
63 extern int dyn_string_append (dyn_string_t, dyn_string_t);
64 extern int dyn_string_append_cstr (dyn_string_t, const char *);
65 extern int dyn_string_append_char (dyn_string_t, int);
66 extern int dyn_string_substring (dyn_string_t,  dyn_string_t, int, int);
67 extern int dyn_string_eq (dyn_string_t, dyn_string_t);
68 
69 #ifdef __cplusplus
70 }
71 #endif
72 
73 #endif /* !defined (DYN_STRING_H) */
74