include/dyn-string.h

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