168765Sobrien/* An abstract string datatype.
2218822Sdim   Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
368765Sobrien   Contributed by Mark Mitchell (mark@markmitchell.com).
468765Sobrien
589857SobrienThis file is part of GCC.
668765Sobrien
789857SobrienGCC is free software; you can redistribute it and/or modify
868765Sobrienit under the terms of the GNU General Public License as published by
968765Sobrienthe Free Software Foundation; either version 2, or (at your option)
1068765Sobrienany later version.
1168765Sobrien
1289857SobrienGCC is distributed in the hope that it will be useful,
1368765Sobrienbut WITHOUT ANY WARRANTY; without even the implied warranty of
1468765SobrienMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1568765SobrienGNU General Public License for more details.
1668765Sobrien
1768765SobrienYou should have received a copy of the GNU General Public License
1889857Sobrienalong with GCC; see the file COPYING.  If not, write to
19218822Sdimthe Free Software Foundation, 51 Franklin Street - Fifth Floor,
20218822SdimBoston, MA 02110-1301, USA.  */
2168765Sobrien
2268765Sobrien
2368765Sobrientypedef struct dyn_string
2468765Sobrien{
2568765Sobrien  int allocated;	/* The amount of space allocated for the string.  */
2668765Sobrien  int length;		/* The actual length of the string.  */
2768765Sobrien  char *s;		/* The string itself, NUL-terminated.  */
2868765Sobrien}* dyn_string_t;
2968765Sobrien
3068765Sobrien/* The length STR, in bytes, not including the terminating NUL.  */
3168765Sobrien#define dyn_string_length(STR)                                          \
3268765Sobrien  ((STR)->length)
3368765Sobrien
3468765Sobrien/* The NTBS in which the contents of STR are stored.  */
3568765Sobrien#define dyn_string_buf(STR)                                             \
3668765Sobrien  ((STR)->s)
3768765Sobrien
3868765Sobrien/* Compare DS1 to DS2 with strcmp.  */
3968765Sobrien#define dyn_string_compare(DS1, DS2)                                    \
4068765Sobrien  (strcmp ((DS1)->s, (DS2)->s))
4168765Sobrien
4268765Sobrien
43218822Sdimextern int dyn_string_init (struct dyn_string *, int);
44218822Sdimextern dyn_string_t dyn_string_new (int);
45218822Sdimextern void dyn_string_delete (dyn_string_t);
46218822Sdimextern char *dyn_string_release (dyn_string_t);
47218822Sdimextern dyn_string_t dyn_string_resize (dyn_string_t, int);
48218822Sdimextern void dyn_string_clear (dyn_string_t);
49218822Sdimextern int dyn_string_copy (dyn_string_t, dyn_string_t);
50218822Sdimextern int dyn_string_copy_cstr (dyn_string_t, const char *);
51218822Sdimextern int dyn_string_prepend (dyn_string_t, dyn_string_t);
52218822Sdimextern int dyn_string_prepend_cstr (dyn_string_t, const char *);
53218822Sdimextern int dyn_string_insert (dyn_string_t, int, dyn_string_t);
54218822Sdimextern int dyn_string_insert_cstr (dyn_string_t, int, const char *);
55218822Sdimextern int dyn_string_insert_char (dyn_string_t, int, int);
56218822Sdimextern int dyn_string_append (dyn_string_t, dyn_string_t);
57218822Sdimextern int dyn_string_append_cstr (dyn_string_t, const char *);
58218822Sdimextern int dyn_string_append_char (dyn_string_t, int);
59218822Sdimextern int dyn_string_substring (dyn_string_t,  dyn_string_t, int, int);
60218822Sdimextern int dyn_string_eq (dyn_string_t, dyn_string_t);
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