Thread: Segmentation Fault Random Sentece Generator

Hey guys, I am fairly new to C++ and very new to these forums here, and I'd like to start out by saying I love what you guys are doing here!

I have been working on a random sentence generator that could possibly have applications for an AI program. When ever I run the program right now, it crashes and gives me a segmentation fault when it selects to runs my "livingSentenceMaker", but when it selects to run the "inadamentSentenceMaker" it runs as expected. This is not a homework assignment, this is something that I have been working on my own for my own educational experience. I have no experince using a debugger right now, and so all I was able to get out of it was and that isn't proving so useful to me. I have tried commenting out different parts of my livingSentenceMaker function, but I can't seem to find what exactly is causing the problem. Can you guys point me in the right direction? Much appreciated!

http://rapidshare.com/files/42408622...ence_Maker.cpp Entire Source Code

Code:

Child process PID: 3316
Program received signal SIGSEGV, Segmentation fault.
At C:/Program Files (x86)/CodeBlocks/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/iostream:77

Code:

#0 004327AE    std::string::assign() (C:/Program Files (x86)/CodeBlocks/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/iostream:77)
#1 00434876    std::string::operator=() (C:/Program Files (x86)/CodeBlocks/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/iostream:77)
#2 004021B9    livingNounVerbLogic() (C:/Users/Jeremy/Documents/New folder/sentences/main.cpp:167)
#3 00402627    livingSentenceMaker() (C:/Users/Jeremy/Documents/New folder/sentences/main.cpp:207)
#4 004027CB    main() (C:/Users/Jeremy/Documents/New folder/sentences/main.cpp:232)

Code:

// Jeremy Langford's Code

#include <iostream>
#include <cstdlib>
#include <ctime>
#include <string>
#include <vector>

using namespace std;

    string article;
    string noun;
    string adj;
    string verb;
    string adverb;
    string prepPhrase;
    int articleSeed;
    int inadamentNounsSeed;
    int inadamentVerbsSeed;
    int inadamentAdjsSeed;
    int inadamentAdvsSeed;
    int livingNounsSeed;
    int livingVerbsSeed;
    int livingAdjsSeed;
    int livingAdvsSeed;
    int modeChooser;



// Tells the sentence generators which ariticles to use
void articleLogic(){
     
     srand(time(0));
     char articleTestChar = adj[0];

if  ((articleTestChar == 'a')||( articleTestChar ==  'e')|| ( articleTestChar ==  'i')||( articleTestChar ==  'o')){ // Vowell Test

    vector<string> articleContainer(2);
        articleContainer[0] = "An ";
        articleContainer[1] = "The ";

    articleSeed = rand()%articleContainer.size();

    article = articleContainer[articleSeed];}

    // "A" or "The" for constanents
else{
    vector<string> articleContainer(2);     // For Constenants
        articleContainer[0] = "A ";
        articleContainer[1] = "The ";

    articleSeed = rand()%articleContainer.size();

    article = articleContainer[articleSeed];}}



// selects an adj that works for living things
void livingAdjLogic(){
        
        vector<string>livingAdjs(8);
        livingAdjs[0] = "brown ";
        livingAdjs[1] = "blue ";
        livingAdjs[2] = "orange ";
        livingAdjs[3] = "furry ";
        livingAdjs[4] = "cute ";
        livingAdjs[5] = "large ";
        livingAdjs[6] = "small ";
        livingAdjs[7] = "spotted ";
    
    srand(time(0));
   
    livingAdjsSeed = rand()%livingAdjs.size();

    adj = livingAdjs[livingAdjsSeed];}

// a bank of living things and things they can do
void livingNounVerbLogic(){
     vector<string>livingNouns(12);
        livingNouns[0] = "monkey ";
        livingNouns[1] = "cat ";
        livingNouns[3] = "dog ";
        livingNouns[4] = "bear ";
        livingNouns[5] = "snake ";
        livingNouns[6] = "worm ";
        livingNouns[7] = "fish ";
        livingNouns[8] = "ant ";
        livingNouns[9] = "spider ";
        livingNouns[10] = "bird ";
        livingNouns[11] = "duck ";
    
    srand(time(0));
    
    livingNounsSeed = rand()%livingNouns.size();

    noun = livingNouns[livingNounsSeed];


    vector<string>livingVerbs(3);
        livingVerbs[0] = "layed ";
        livingVerbs[1] = "sat ";
        livingVerbs[2] = "rested ";
        livingVerbs[3] = "crawled ";
        livingVerbs[4] = "jumped ";
        livingVerbs[5] = "swam ";
        livingVerbs[6] = "barked ";
        livingVerbs[7] = "ate ";
        livingVerbs[8] = "slept ";
        livingVerbs[9] = "relaxed ";
        livingVerbs[10] = "hid ";


    livingVerbsSeed = rand()%livingVerbs.size();

    verb = livingVerbs[livingVerbsSeed];}

// selects an adv that works with a livng thing
void livingAdvLogic(){
   
    vector<string>livingAdvs(3);
        livingAdvs[0] = "silently ";
        livingAdvs[1] = "lifelessly ";
        livingAdvs[2] = "invitingly ";
        livingAdvs[3] = "hastily ";
        livingAdvs[4] = "carefully ";
        livingAdvs[5] = "quickly ";
        livingAdvs[6] = "slowley ";
        livingAdvs[7] = "painfully ";
        livingAdvs[8] = "happily ";
        livingAdvs[9] = "strangley ";

    srand(time(0));
    
    livingAdvsSeed = rand()%livingAdvs.size();

    adverb = livingAdvs[livingAdvsSeed];}

/* agregation of livng things functions for a sentence maker !TROUBLE FUNCTION CRASHES WHEN RUN!*/
void livingSentenceMaker(){

    articleLogic();
    livingAdjLogic();
    livingNounVerbLogic();
    livingAdvLogic();
    cout << article << adj << noun << verb << adverb /*<< prepPhrase */<<"." << endl;}

int main(){

/* menu functions and loop that includes a randomly generated number to select either a simple sentence with a living or inadament object.*/
char menu = 'y';


    while (true){
    
    srand(time(0));
    
    modeChooser = rand()%2;
    cout << modeChooser <<endl;

    cout << endl;
    cout << "Do you want to run the sentence generator? Y/N." << endl;
    cin >> menu;
    cout << endl;

    if ((menu == 'y')&&(modeChooser == 0)){
        inadamentSentenceMaker();}
    else if (( menu == 'y')&& (modeChooser == 1)){
        livingSentenceMaker();}

    if (menu == 'n'){
            break;}}

    return 0;
}

Thank you Bubba, I have excluded the parts of the code that were not being used by the problem livingSentenceMaker function, I didn't want to exclude to much, so I still left everything in there that the function used. I am ataching my source code to this post as well in case anyone want's to look at it in its entirety, and for easier viewing and debugging.