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1 /* An abstract string datatype.
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2 Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
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3 Contributed by Mark Mitchell (mark@markmitchell.com).
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING. If not, write to
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19 the Free Software Foundation, 51 Franklin Street - Fifth Floor,
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20 Boston, MA 02110-1301, USA. */
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21
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22
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23 typedef struct dyn_string
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24 {
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25 int allocated; /* The amount of space allocated for the string. */
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26 int length; /* The actual length of the string. */
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27 char *s; /* The string itself, NUL-terminated. */
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28 }* dyn_string_t;
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29
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30 /* The length STR, in bytes, not including the terminating NUL. */
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31 #define dyn_string_length(STR) \
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32 ((STR)->length)
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33
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34 /* The NTBS in which the contents of STR are stored. */
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35 #define dyn_string_buf(STR) \
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36 ((STR)->s)
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37
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38 /* Compare DS1 to DS2 with strcmp. */
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39 #define dyn_string_compare(DS1, DS2) \
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40 (strcmp ((DS1)->s, (DS2)->s))
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41
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42
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43 extern int dyn_string_init (struct dyn_string *, int);
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44 extern dyn_string_t dyn_string_new (int);
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45 extern void dyn_string_delete (dyn_string_t);
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46 extern char *dyn_string_release (dyn_string_t);
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47 extern dyn_string_t dyn_string_resize (dyn_string_t, int);
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48 extern void dyn_string_clear (dyn_string_t);
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49 extern int dyn_string_copy (dyn_string_t, dyn_string_t);
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50 extern int dyn_string_copy_cstr (dyn_string_t, const char *);
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51 extern int dyn_string_prepend (dyn_string_t, dyn_string_t);
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52 extern int dyn_string_prepend_cstr (dyn_string_t, const char *);
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53 extern int dyn_string_insert (dyn_string_t, int, dyn_string_t);
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54 extern int dyn_string_insert_cstr (dyn_string_t, int, const char *);
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55 extern int dyn_string_insert_char (dyn_string_t, int, int);
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56 extern int dyn_string_append (dyn_string_t, dyn_string_t);
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57 extern int dyn_string_append_cstr (dyn_string_t, const char *);
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58 extern int dyn_string_append_char (dyn_string_t, int);
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59 extern int dyn_string_substring (dyn_string_t, dyn_string_t, int, int);
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60 extern int dyn_string_eq (dyn_string_t, dyn_string_t);
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