include/dyn-string.h

   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) */