tools/jprof/strset.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
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  14  * The Original Code is mozilla.org code.
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  16  * The Initial Developer of the Original Code is Kipp E.B. Hickman.
  17  * Portions created by the Initial Developer are Copyright (C) 1998
  18  * the Initial Developer. All Rights Reserved.
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  35
  36 #include "strset.h"
  37 #include <malloc.h>
  38 #include <string.h>
  39
  40 StrSet::StrSet()
  41 {
  42     strings = 0;
  43     numstrings = 0;
  44 }
  45
  46 void StrSet::add(const char* s)
  47 {
  48     if (strings) {
  49         strings = (char**) realloc(strings, (numstrings + 1) * sizeof(char*));
  50     } else {
  51         strings = (char**) malloc(sizeof(char*));
  52     }
  53     strings[numstrings] = strdup(s);
  54     numstrings++;
  55 }
  56
  57 int StrSet::contains(const char* s)
  58 {
  59     char** sp = strings;
  60     int i = numstrings;
  61
  62     while (--i >= 0) {
  63         char *ss = *sp++;
  64         if (ss[0] == s[0]) {
  65             if (strcmp(ss, s) == 0) {
  66                 return 1;
  67             }
  68         }
  69     }
  70     return 0;
  71 }