annotate netinstall/hash.cc @ 781:eba92770173a

[xemacs-hg @ 2002-03-18 10:13:39 by ben] stragglers: config.inc.samp, xemacs.mak: Deal with never-ending perl quoting problems. README: Include a long, long description of the suggested directory layout for developing XEmacs. This should probably go as part of a larger document, a "Getting Started with Developing XEmacs". #### Does such a document exist? etc\unicode\mule-ucs\*: New directory, containing translation files for the remaining charsets that are not in unicode\unicode-consortium but are in mule-ucs. etc\unicode\other\*: New directory, containing translation files made up on an ad-hoc basis. etc\unicode\README: Update. * Some ChangeLog entries from stuff that got applied long ago never got checked in, due to the nasty SCCS "oops, i forgot again ..." bug. mule\lao.el: Convert stuff to XEmacs-style. mule\thai-xtis.el: Move thai-xtis-chars.el stuff to here, since we can now handle encountering characters of a charset before the charset is defined. mule\thai-xtis-chars.el: Removed, moved into thai-xtis.el. mule\mule-msw-init.el: Move some stuff into mule-msw-init-late.el, which references charsets and thus needs to be delayed until after all charsets have been created. mule\mule-msw-init-late.el: New file, some stuff from mule-msw-init.el. dumped-lisp.el: Load the remaining languages -- lao, indian, devanagari, tibetan. Load new file mule-msw-init-late. unicode.el: Load the new tables for Ethiopic, Vietnamese, and other languages extracted from mule-ucs. mule\lao.el: Convert stuff to XEmacs-style. mule\thai-xtis.el: Move thai-xtis-chars.el stuff to here, since we can now handle encountering characters of a charset before the charset is defined. mule\thai-xtis-chars.el: Removed, moved into thai-xtis.el. mule\mule-msw-init.el: Move some stuff into mule-msw-init-late.el, which references charsets and thus needs to be delayed until after all charsets have been created. mule\mule-msw-init-late.el: New file, some stuff from mule-msw-init.el. mule\lao.el: Convert stuff to XEmacs-style. mule\thai-xtis.el: Move thai-xtis-chars.el stuff to here, since we can now handle encountering characters of a charset before the charset is defined. mule\thai-xtis-chars.el: Removed, moved into thai-xtis.el. mule\mule-msw-init.el: Move some stuff into mule-msw-init-late.el, which references charsets and thus needs to be delayed until after all charsets have been created. mule\mule-msw-init-late.el: New file, some stuff from mule-msw-init.el. dumped-lisp.el: Load the remaining languages -- lao, indian, devanagari, tibetan. Load new file mule-msw-init-late. unicode.el: Load the new tables for Ethiopic, Vietnamese, and other languages extracted from mule-ucs. mule\lao.el: Convert stuff to XEmacs-style. mule\thai-xtis.el: Move thai-xtis-chars.el stuff to here, since we can now handle encountering characters of a charset before the charset is defined. mule\thai-xtis-chars.el: Removed, moved into thai-xtis.el. mule\mule-msw-init.el: Move some stuff into mule-msw-init-late.el, which references charsets and thus needs to be delayed until after all charsets have been created. mule\mule-msw-init-late.el: New file, some stuff from mule-msw-init.el. fns.c, lread.c: Add variable require-prints-loading-message to cause loading messages to get printed when a file is loading during a "require", which normally doesnt happen. This can be set using env var XEMACSDEBUG to debug problems with non-interactive compilation. Modify load-internal so it prints "Requiring: ..." instead of "Loading: ..." when appropriate.
author ben
date Mon, 18 Mar 2002 10:13:39 +0000
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1 /*
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2 * Copyright (c) 2000, Red Hat, Inc.
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; either version 2 of the License, or
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7 * (at your option) any later version.
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8 *
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9 * A copy of the GNU General Public License can be found at
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10 * http://www.gnu.org/
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11 *
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12 * Written by DJ Delorie <dj@cygnus.com>
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13 *
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14 */
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15
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16 /* Simple hash class for install.cc */
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17
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18 #include "win32.h"
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19 #include <stdlib.h>
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20 #include <string.h>
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21
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22 #include "hash.h"
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23
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24 class hash_internals {
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25 public:
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26 char **keys;
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27 int numkeys;
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28 int maxkeys;
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29 int prev_index;
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30 };
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31
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32 hash::hash ()
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33 {
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34 h = new hash_internals;
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35 h->numkeys = 0;
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36 h->maxkeys = 10;
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37 h->keys = (char **) malloc (h->maxkeys * sizeof (char *));
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38 h->prev_index = 0;
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39 }
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40
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41 hash::~hash ()
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42 {
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43 free (h->keys);
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44 free (h);
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45 }
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46
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47
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48 void
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49 hash::add (char *string)
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50 {
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51 int i;
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52 for (i=0; i<h->numkeys; i++)
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53 if (strcmp (h->keys[i], string) == 0)
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54 return;
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55 if (h->numkeys >= h->maxkeys)
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56 {
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57 h->maxkeys += 10;
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58 h->keys = (char **) realloc (h->keys, h->maxkeys * sizeof (char *));
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59 }
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60
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61 h->keys[h->numkeys] = _strdup (string);
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62 h->numkeys ++;
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63 }
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64
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65
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66 int
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67 hash::has (char *string)
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68 {
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69 int i;
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70 for (i=0; i<h->numkeys; i++)
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71 if (strcmp (h->keys[i], string) == 0)
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72 return 1;
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73 return 0;
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74 }
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75
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76 char *
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77 hash::enumerate (char *prev)
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78 {
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79 if (prev == 0)
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80 h->prev_index = -1;
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81 h->prev_index ++;
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82 if (h->prev_index >= h->numkeys)
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83 return 0;
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84 return h->keys[h->prev_index];
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85 }
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86
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87 static int CDECL
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88 rev_len (const void *va, const void *vb)
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89 {
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90 char *a = *(char **)va;
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91 char *b = *(char **)vb;
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92 return strcmp (b, a);
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93 }
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94
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95 void
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96 hash::reverse_sort ()
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97 {
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98 qsort (h->keys, h->numkeys, sizeof (h->keys[0]), rev_len);
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99 }