1/* An abstract string datatype. 2 Copyright (C) 1998-2017 Free Software Foundation, Inc. 3 Contributed by Mark Mitchell (mark@markmitchell.com). 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GCC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING. If not, write to 19the Free Software Foundation, 51 Franklin Street - Fifth Floor, 20Boston, MA 02110-1301, USA. */ 21 22#ifndef DYN_STRING_H 23#define DYN_STRING_H 24 25#ifdef __cplusplus 26extern "C" { 27#endif 28 29typedef 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 49extern int dyn_string_init (struct dyn_string *, int); 50extern dyn_string_t dyn_string_new (int); 51extern void dyn_string_delete (dyn_string_t); 52extern char *dyn_string_release (dyn_string_t); 53extern dyn_string_t dyn_string_resize (dyn_string_t, int); 54extern void dyn_string_clear (dyn_string_t); 55extern int dyn_string_copy (dyn_string_t, dyn_string_t); 56extern int dyn_string_copy_cstr (dyn_string_t, const char *); 57extern int dyn_string_prepend (dyn_string_t, dyn_string_t); 58extern int dyn_string_prepend_cstr (dyn_string_t, const char *); 59extern int dyn_string_insert (dyn_string_t, int, dyn_string_t); 60extern int dyn_string_insert_cstr (dyn_string_t, int, const char *); 61extern int dyn_string_insert_char (dyn_string_t, int, int); 62extern int dyn_string_append (dyn_string_t, dyn_string_t); 63extern int dyn_string_append_cstr (dyn_string_t, const char *); 64extern int dyn_string_append_char (dyn_string_t, int); 65extern int dyn_string_substring (dyn_string_t, dyn_string_t, int, int); 66extern int dyn_string_eq (dyn_string_t, dyn_string_t); 67 68#ifdef __cplusplus 69} 70#endif 71 72#endif /* !defined (DYN_STRING_H) */ 73