annotate netinstall/hash.cc @ 5016:2ade80e8c640

enable more warnings and fix them -------------------- ChangeLog entries follow: -------------------- ChangeLog addition: 2010-02-08 Ben Wing <ben@xemacs.org> * configure: * configure.ac (TAB): Various warnings that used to be present had mistakenly gotten turned off. Turn them back on. lwlib/ChangeLog addition: 2010-02-08 Ben Wing <ben@xemacs.org> * xt-wrappers.h: * xt-wrappers.h (Xt_SET_VALUE): * xt-wrappers.h (Xt_GET_VALUE): Rename var to avoid shadowing problems. src/ChangeLog addition: 2010-02-08 Ben Wing <ben@xemacs.org> * alloc.c: Add prototypes for debugging functions. * alloc.c (compact_string_chars): Make static. * console-x.c (x_initially_selected_for_input): * console-x.h: * console-x.h (X_ERROR_OCCURRED): Delete x_has_keysym() prototype from console-x.c, move to console-x.h. * eval.c (multiple_value_call): Real bug: Fix shadowing local vars. * event-unixoid.c (read_event_from_tty_or_stream_desc): * event-unixoid.c (signal_fake_event): * lread.c (check_if_suppressed): * strftime.c (strftime): Fix stupid global shadowing warnings. * event-unixoid.c (signal_fake_event): * event-unixoid.c (drain_signal_event_pipe): Use Rawbyte, not char. * frame.h: Remove old prototype. * gc.c: * gc.c (show_gc_cursor_and_message): * gc.c (remove_gc_cursor_and_message): * gc.c (gc_prepare): * gc.c (gc_finish_mark): * gc.c (gc_finalize): * gc.c (gc_sweep): * gc.c (gc_finish): * gc.c (gc_suspend_mark_phase): * gc.c (gc_resume_mark_phase): * gc.c (gc_mark): * gc.c (gc_resume_mark): Make fns static. * glyphs-eimage.c (gif_decode_error_string): Fix non-prototype. * lisp.h: Hack around global shadowing warnings involving `index'. * intl-win32.c (wcsncpy): * number-gmp.c (bigfloat_to_string): * objects-msw.c (mswindows_font_spec_matches_charset_stage_2): * specifier.c (call_charset_predicate): * specifier.c (DEFINE_SPECIFIER_TAG_FROB): Declarations cannot follow statements in standard C. * search.c (search_buffer): Fix local shadowing warnings.
author Ben Wing <ben@xemacs.org>
date Mon, 08 Feb 2010 21:28:57 -0600
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children
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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 }