Mercurial > projects > ldc
annotate dmd2/root/lstring.c @ 1452:638d16625da2
LDC 2 compiles again.
author | Robert Clipsham <robert@octarineparrot.com> |
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date | Sat, 30 May 2009 17:23:32 +0100 |
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1452
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LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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1 // lstring.c |
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2 |
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3 // Copyright (c) 1999-2002 by Digital Mars |
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4 // All Rights Reserved |
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5 // written by Walter Bright |
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6 // www.digitalmars.com |
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7 // License for redistribution is by either the Artistic License |
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8 // in artistic.txt, or the GNU General Public License in gnu.txt. |
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9 // See the included readme.txt for details. |
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10 |
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11 #include <stdlib.h> |
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12 |
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13 #include "dchar.h" |
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14 #include "rmem.h" |
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15 #include "lstring.h" |
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16 |
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17 #ifdef _MSC_VER // prevent compiler internal crash |
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18 Lstring Lstring::zero; |
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19 #else |
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20 Lstring Lstring::zero = LSTRING_EMPTY(); |
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21 #endif |
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22 |
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23 Lstring *Lstring::ctor(const dchar *p, unsigned length) |
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24 { |
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25 Lstring *s; |
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26 |
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27 s = alloc(length); |
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28 memcpy(s->string, p, length * sizeof(dchar)); |
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29 return s; |
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30 } |
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31 |
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32 Lstring *Lstring::alloc(unsigned length) |
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33 { |
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34 Lstring *s; |
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35 |
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36 s = (Lstring *)mem.malloc(size(length)); |
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37 s->length = length; |
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38 s->string[length] = 0; |
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39 return s; |
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40 } |
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41 |
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42 Lstring *Lstring::append(const Lstring *s) |
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43 { |
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44 Lstring *t; |
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45 |
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46 if (!s->length) |
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47 return this; |
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48 t = alloc(length + s->length); |
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49 memcpy(t->string, string, length * sizeof(dchar)); |
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50 memcpy(t->string + length, s->string, s->length * sizeof(dchar)); |
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51 return t; |
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52 } |
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53 |
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54 Lstring *Lstring::substring(int start, int end) |
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55 { |
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56 Lstring *t; |
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57 |
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58 if (start == end) |
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59 return &zero; |
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60 t = alloc(end - start); |
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61 memcpy(t->string, string + start, (end - start) * sizeof(dchar)); |
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62 return t; |
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63 } |