include/dyn-string.h

   1 /* An abstract string datatype.
   2    Copyright (C) 1998-2019 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 #ifndef DYN_STRING_H
  23 #define DYN_STRING_H
  24
  25 #ifdef __cplusplus
  26 extern "C" {
  27 #endif
  28
  29 typedef struct dyn_string
  30 {
  31   int allocated;        /* The amount of space allocated for the string.  */
  32   int length;           /* The actual length of the string.  */
  33   char *s;              /* The string itself, NUL-terminated.  */
  34 }* dyn_string_t;
  35
  36 /* The length STR, in bytes, not including the terminating NUL.  */
  37 #define dyn_string_length(STR)                                          \
  38   ((STR)->length)
  39
  40 /* The NTBS in which the contents of STR are stored.  */
  41 #define dyn_string_buf(STR)                                             \
  42   ((STR)->s)
  43
  44 /* Compare DS1 to DS2 with strcmp.  */
  45 #define dyn_string_compare(DS1, DS2)                                    \
  46   (strcmp ((DS1)->s, (DS2)->s))
  47
  48
  49 extern int dyn_string_init (struct dyn_string *, int);
  50 extern dyn_string_t dyn_string_new (int);
  51 extern void dyn_string_delete (dyn_string_t);
  52 extern char *dyn_string_release (dyn_string_t);
  53 extern dyn_string_t dyn_string_resize (dyn_string_t, int);
  54 extern void dyn_string_clear (dyn_string_t);
  55 extern int dyn_string_copy (dyn_string_t, dyn_string_t);
  56 extern int dyn_string_copy_cstr (dyn_string_t, const char *);
  57 extern int dyn_string_prepend (dyn_string_t, dyn_string_t);
  58 extern int dyn_string_prepend_cstr (dyn_string_t, const char *);
  59 extern int dyn_string_insert (dyn_string_t, int, dyn_string_t);
  60 extern int dyn_string_insert_cstr (dyn_string_t, int, const char *);
  61 extern int dyn_string_insert_char (dyn_string_t, int, int);
  62 extern int dyn_string_append (dyn_string_t, dyn_string_t);
  63 extern int dyn_string_append_cstr (dyn_string_t, const char *);
  64 extern int dyn_string_append_char (dyn_string_t, int);
  65 extern int dyn_string_substring (dyn_string_t,  dyn_string_t, int, int);
  66 extern int dyn_string_eq (dyn_string_t, dyn_string_t);
  67
  68 #ifdef __cplusplus
  69 }
  70 #endif
  71
  72 #endif /* !defined (DYN_STRING_H) */