Questions tagged [speller]
speller.c is one of the files that make up Problem Set 5, but it is already written by CS50 Staff and you may not alter it! Instead, you must implement your solution by altering three other component files: dictionary.c, dictionary.h, and Makefile.
902
questions
0
votes
1
answer
30
views
HELP! Speller segfault
my speller code compiles but it gets segfault.
I'm not sure where I went wrong, my guess is load but I'm not sure.
#include <ctype.h>
#include <stdbool.h>
#include <strings.h>
#...
- 7
0
votes
1
answer
9
views
Speller everything works fine expect "Uninitialised value was created by a heap allocation"
// Implements a dictionary's functionality
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <string.h>
...
0
votes
1
answer
34
views
pset 5 speller do not pass check 50
I do not know what I am doing wrong. Please, give me a hint.
Here is my solution from check50:
:( spell-checking is case-insensitive
Cause
expected "MISSPELLED WOR...", not "MISSPELLED ...
0
votes
1
answer
45
views
pset5 speller cannot read number of word in dictionary
thank you for clicking. Being concise, I have the right solution for the pset, as evidenced down below by comparing my solution to the staff's, but check50 insists that no words have been loaded into ...
0
votes
1
answer
29
views
Pset5 Speller - Weird Load Function Bug (Edited w/ Code)
bool load(const char *dictionary)
{
// TODO
FILE *fdict = fopen(dictionary, "r");
if (fdict == NULL)
{
return false;
}
// create container string to hold ...
- 1
0
votes
1
answer
13
views
Code for pset5 compiles, but produces no OUTPUT. Seems like it is stuck in infinite loop
Description of Problem:
Hey guys, so my code is outputting only MISSPELLED WORDS and then it apparently gets stuck in an infinite loop. So that I have to type ctrl + C to be able to type anything in ...
0
votes
1
answer
24
views
Speller works fine up until a certain point
My speller program has an issue where it will find what words are misspelled properly, but it won't give the data of the amount of words misspelled/ in the dictionary/ in text. Running Check50 shows ...
0
votes
0
answers
16
views
Speller big-board
How can I see where I would rank on the speller big-board? I know it doesn't exist anymore, but I'd like to see how far is my result from the best ones. I tried to write "texts/*.txt" ...
0
votes
1
answer
38
views
Speller Segmentation Fault Even After Freeing Malloc'd Nodes
The following is my code and, subsequently, the message Valgrind returns when I run it on ./speller texts/lalaland.txt.
I explored similar issues previously posted on Stack exchange, and added lines ...
- 31
0
votes
1
answer
39
views
Pset 5: Speller - Double free or corruption (fasttop) error
Having to post a new question as the I reworked my code and space restrictions won't allow me to post it in the original thread.
I changed my code based on @CliffB 's suggestion. However, now I am ...
- 15
0
votes
1
answer
16
views
PSet5 Speller: What is each function in dictionary.c supposed to do? [closed]
I've started working on this PSet, and now I'm confused because in the instructions I can't figure out where it tells me what each function is supposed to do. Hash is never even called in speller.c so ...
0
votes
1
answer
49
views
Everything is correct in my Check50 but in program I have other ERRORS - PSET05 Speller
I hope you're doing well and I also hope you might help me. When I run my CHECK50 in my speller program. Everything is correct all green, but when I run my program or valgrind I have some errors. And ...
0
votes
0
answers
15
views
What's wrong in my Speller.c? dictionary.c Errors Help! [duplicate]
I've been doing the dictionary.c file and I've completed all the required functions. When I run ./speller texts/lalaland.txt, it prompts some misspelled words that are not in keys/lalaland.txt file, ...
0
votes
1
answer
20
views
Pset5 Speller - trying to understand more about segmentation fault
I tested a piece of code to figure out what's causing the segmentation fault with the 'load' function. The code below opens the large dictionary. Then it scans and prints each string inside the ...
- 15
0
votes
1
answer
55
views
PSET5 Speller - Problem with Check Function
There seems to be a problem with my check function that I cannot get to the bottom of.
It's showing correctly spelled words as misspelled. For instance, the final check of check50 fails because my ...
- 3
0
votes
1
answer
33
views
Pset5 speller segmentation fault when loading
When I run speller, I get a segmentation fault. I have played around with the code a little bit and nothing so far has changed. Using help50, this is the result I got:
Looks like you're trying to ...
- 5
0
votes
0
answers
63
views
How can I fix this double free in speller?
I've posted this question previously but I tried to post various functions from my code without posting the whole code at once, because I thought that was better etiquette or something. However, the ...
0
votes
0
answers
34
views
Speller: Valgrind tests fail; problem may be with load
My spell checker seems to run pretty well, except the unload function never ran properly. It compiles, but executing it prints out the misspellings but then prints the message, "double free ...
0
votes
1
answer
45
views
pset5 speller valgrind test fails
in check50 my code fails last test (valgrind test) fails it says:
"Use of uninitialised value of size 8: (file: dictionary.c, line: 41)"
i starred line 41 below,
I tried both using if(!...
0
votes
1
answer
33
views
PSET5 Speller case conversions
I've been struggling with writing code for case conversions in the check function to make all hash words to be lower-cased. My lack of knowledge in programming overall seems to be revealed at this ...
- 5
0
votes
0
answers
31
views
(pset5)I get a segmentation foult, even though check50 says that everything is allright
as per the title — I get a segfoult and can't check my times, even though check50 claims that the code is practically ready to submit.
Here's my code, followed by valgrind results:
// Implements a ...
0
votes
1
answer
33
views
PSET 5 Speller Issues with Check
for Speller in Pset 5, I am having issues with my check function, not sure how to deal with words with apostrophe and need some tips if possible. The issue should be with the check function of my ...
- 7
0
votes
1
answer
57
views
Pset 5 Speller fscanf returning 0
for Pset5 speller my code for load along with the generation of hash codes leads to a segmentation fault. I realized it is because fscanf returns 0 after the last word of the dictionary, leading to -...
- 7
0
votes
1
answer
145
views
Pset5 Speller - Valgrind issue
this one was tough. But in the end my code compiles fine and has no memory leaks, the hash function isn't very good but it works. Yet I still get an error message that I just don't understand. First, ...
- 3
0
votes
1
answer
48
views
Pset5 speller memory error --valgrind says no leaks
I almost finished pset 5 speller, I ran check50 and only the last criteria was not matched.
That is "valgrind tests failed; see log for more information."
The confusing thing is, when I ran ...
- 11
0
votes
1
answer
27
views
PSET5 Speller seg fault
I keep having segmentation fault in Pset5 Speller.
I used debugger to find the line where seg fault happens,
and it was "table[k] = n;" in function load.
I don't really understand. Could ...
- 11
0
votes
1
answer
63
views
Getting segmentation fault when running speller.c
I am trying to solve speller and I always get segmentation fault every time I run it. I checked the error on valgrind and it told me that the culprit is in line 108, where I allocate a new node. How ...
0
votes
0
answers
39
views
I'm working on pset5 - speller, it works fine when I run/test it, but when I run 'check50' it show this error. help me with this
[EDIT: Code removed for Harvard Honor Code compliance.]
- 1
0
votes
2
answers
174
views
Valgrind error in pset5 speller
newbie here this is my first post, I hope you guys can help me! I am stacked with speller, my program works apparently fine but the valgrind test outputs some errors that I can't understand. I have ...
- 3
0
votes
1
answer
50
views
pset5 speller load and hash functions
Whenever I run speller.c it appears that none of the words are getting loaded into the dictionary as the output looks like this:
MISSPELLED WORDS
A
cat
is
not
a
caterpillar
WORDS MISSPELLED: 6
...
- 3
0
votes
1
answer
295
views
Speller fclose() generates free(): invalid size error
// adding global bool value to return true if dictionary loaded and false otherwise
bool loaded;
// adding global int value to count amount of words loaded into dictionary
int word_count = 0;
// ...
- 1
0
votes
2
answers
127
views
PSET 5 Speller Check50 Problem
I think I have done everything you're supposed to do in PSET5 Speller. when I manually check the outputs of my code, it works perfectly well. It matches the staff solutions one to one. Yet Check50 ...
- 1
0
votes
1
answer
33
views
PSET 5 Speller Valgrind Memory
My code is functional according to check50 but I'm still leaking bad memory. Based on amount of memory lost, I'm guessing something to close up in LOAD, but could be UNLOAD as well. First thoughts are ...
- 3
0
votes
1
answer
68
views
PSET5 - Speller - Valgrind returns memory leak
After many trials, I am currently stuck in this Pset. The full code that I have is as follows:
// Implements a dictionary's functionality
#include <ctype.h>
#include <stdbool.h>
#include &...
0
votes
1
answer
45
views
Pset5 Speller - Got "Conditional jump or move depends on uninitialised value(s)", "Use of uninitialised value of size 8" by check50
I try my code here to solve the pset5 - speller question, it seems pretty ok with locally run my valgrind. But when I use check50 to check it. One error(and only 1) happened.
I tried to assigned ...
0
votes
1
answer
46
views
Pset5 Speller Issue With Substrings and Apostrophes
I'm able to compile my code for speller and it appears to work correctly. Valgrind shows that there are no memory errors. But when I run check50, I get back :( notices saying my code isn't handling ...
- 65
1
vote
1
answer
5k
views
PSet 5 - malloc(): corrupted top size (please help)
Im having a problem at the load function wich is returning me the following message on the terminal:
malloc(): corrupted top size
Aborted (core dumped)
Screenshot of what terminal returns to me.
...
0
votes
1
answer
27
views
CS50 PSET 5: Returning 0 words in large dictionaries only
I've been trying to figure this out for a while now. I'm doing PSET 5 and all my dictionary words in large texts return 0, though when I've tried the small dictionary, it returns the words fine there. ...
0
votes
1
answer
31
views
How Can I Fix My Speller?
So, I have been working on Speller for at this point 40 - 50 hours at this point. However, I have not made much progress. No matter what I try to change, or try to rewrite, I always seem to run into ...
- 3
0
votes
1
answer
109
views
Pset5 speller memory leak (valgrind: definitely lost)
There is a memory leak problem with my code when I ran it with valgrind.I have already check my code and passed all of them except for memory test.I am hoping someone can help me solve this problem....
- 3
0
votes
1
answer
38
views
segmentation fault from pointers
i keep getting segmentation fault when running this code. using printf i can see its from loading ala and the hashtable to store this is set to nil. other words when the hashtable to store them is nil ...
- 5
0
votes
1
answer
124
views
Speller works for everything but one letter words
When I run my speller program it works on everything but one letter words. I have been trying to figure this problem for a long time. I think it is a problem with either my hash or check functions. ...
0
votes
0
answers
123
views
Pset5 Speller Memory Problem
I am having a memory issue with my program in speller. Check50 returns all green except for the last line which says
:( program is free of memory errors
expected "MISSPELLED WOR...", not &...
0
votes
1
answer
41
views
segmentation fault with node pointers on speller
I know which line has the segmentation fault ,
if (table[hashn]->next == NULL)
In this case hashn is 0 so its not exceeding the array
Any ideas why its happening?
0
votes
1
answer
73
views
PSET5: Problem with my check function, but I'm not sure
I have been stuck with this problem for many hours now, but I still can't wrap the idea around my head. When I test run this code, it just prints out "MISSPELLED WORDS", and nothing more. ...
0
votes
1
answer
69
views
PSET5 - SPELLER - Check50 only works locally
I am trying to run check50 on my version of speller. I worked for so long on this code. It was a battle every step of the way to get it to finally run. I finally seemingly got it today.
My code works ...
- 3
0
votes
1
answer
20
views
pset5 speller different unload algorithms
I just finished pset5 but I had a question about why a (what i think is) recursive method doesnt work but the one i went with does.
if you skip and look in unload youll see a "destroy" ...
- 1
0
votes
2
answers
70
views
PS5 speller memory trouble
I have a strange problem with the below code for PS5 speller. I have can match the requested output, it is fast enough, that is all good. However I am having a persistent valgrind issue where I am ...
0
votes
1
answer
1k
views
Speller Error - free(): double free detected in tcache 2 Aborted (core dumped)
// Implements a dictionary's functionality
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <string.h>
...
- 3
0
votes
4
answers
331
views
PSET5 Speller: Check50 Can't Compile: Exit code 2 vs 0
At my wit's end here. I've seen this question asked before, but I haven't really found an answer.
My speller program compiles perfectly fine in the VS Code workspace. It generates the same results as ...
