include/dyn-string.h

   1 /* An abstract string datatype.
   2    Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
   3    Contributed by Mark Mitchell (mark@markmitchell.com).
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC 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 GNU CC 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 GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, 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 void dyn_string_init             PARAMS ((struct dyn_string *, int));
  44 extern dyn_string_t dyn_string_new      PARAMS ((int));
  45 extern void dyn_string_delete           PARAMS ((dyn_string_t));
  46 extern char *dyn_string_release         PARAMS ((dyn_string_t));
  47 extern dyn_string_t dyn_string_resize   PARAMS ((dyn_string_t, int));
  48 extern void dyn_string_clear            PARAMS ((dyn_string_t));
  49 extern void dyn_string_copy             PARAMS ((dyn_string_t, dyn_string_t));
  50 extern void dyn_string_copy_cstr        PARAMS ((dyn_string_t, const char *));
  51 extern void dyn_string_prepend          PARAMS ((dyn_string_t, dyn_string_t));
  52 extern void dyn_string_prepend_cstr     PARAMS ((dyn_string_t, const char *));
  53 extern void dyn_string_insert           PARAMS ((dyn_string_t, int,
  54                                                  dyn_string_t));
  55 extern void dyn_string_insert_cstr      PARAMS ((dyn_string_t, int,
  56                                                  const char *));
  57 extern dyn_string_t dyn_string_append   PARAMS ((dyn_string_t, dyn_string_t));
  58 extern dyn_string_t dyn_string_append_cstr
  59                                         PARAMS ((dyn_string_t, const char *));
  60 extern dyn_string_t dyn_string_append_char
  61                                         PARAMS ((dyn_string_t, int));
  62 extern void dyn_string_substring        PARAMS ((dyn_string_t,
  63                                                  dyn_string_t, int, int));
  64 extern int dyn_string_eq                PARAMS ((dyn_string_t, dyn_string_t));