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  1. /* An abstract string datatype.
  2.    Copyright (C) 1998-2015 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) */
  73.