Questions tagged [load]
the first part of pset5, loading a dictionary into memory
403
questions
0
votes
1answer
14 views
problems in unload function-pset5
// Implements a dictionary's functionality
#include <strings.h>
#include <stdlib.h>
#include <ctype.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#...
0
votes
1answer
39 views
Problem Set 5 - Segmentation Fault
I am trying to overcome the segmentation fault on the following code, and I couldn't manage to solve the error. Segmentation fault occurs in the load() function, and after hours of debugging, I couldn'...
0
votes
1answer
25 views
Speller skips first word in dictionary
After chasing down and eliminating memory leaks, I think I am getting close to finishing speller. So far, valgrind says no memory leaks, and the output is formatted correctly. However, when running my ...
1
vote
1answer
42 views
PSET 5 Load Function woes
Back with more questions about my code.
1) fscanf: When using fscanf do we need to iterate through what it is writing to the buffer to check for the null signifier so we can jump in and strcpy that ...
0
votes
2answers
44 views
PSET5 Speller Load function skips the words from the dictionary
Struggling with the load function in speller for second week now. What I found using debug50 and placing "printf" between different lines of code is that the fscanf reads every second word ...
0
votes
1answer
25 views
Pset5 - Speller - Seg fault
I'm getting a segmentation fault when running this. Valgrind reports no errors, but a leak of 1,080 bytes at two blocks, with 5 allocs and only 3 free'd. Below is my load function and below that are ...
0
votes
2answers
65 views
Pset5 - Speller - Valgrind error for malloc in load function
I get all test results correct except the Valgrind error as follows, does anyone know why is it so and share some insights please? thanks!
running valgrind --show-leak-kinds=all --xml=yes --xml-file=/...
0
votes
1answer
37 views
Pset 5 speller load function and word
I'm working on my load function to obtain the "word" from dictionary and I obtain one of the next message
dictionary.c:59:28: error: use of undeclared identifier 'word'; did you mean 'load'?
...
0
votes
1answer
54 views
PSET5/Speller - Valgrind error: conditional jump, relates to table[i] array, but I've already initialized that (or have I?)?
I posted something similar a couple of days ago but have made progress since then. Specifically I found a couple of posts answered by Cliff B indicating the problem users had was that they hadn't ...
0
votes
2answers
55 views
Segmentation Fault on Speller's Load function
bool load(const char *dictionary)
{
FILE *dict = fopen(dictionary, "r");
if (dict == NULL)
{
return false;
}
char word[LENGTH + 1];
while (fscanf(dict, "%s&...
0
votes
1answer
37 views
Pset5 Speller Valgrind error trouble
Baby programmer over here. Before moving on to the (check) function, I wanted to make sure the (load) function was correct.
After performing Valgrind, I received the following errors. Up to this point,...
0
votes
1answer
47 views
Word array sometimes filled with weird values - Speller
My code looks like this: (ignore the comments; they're old)
// Implements a dictionary's functionality
#include <stdbool.h>
#include <string.h>
#include "dictionary.h"
#include &...
0
votes
1answer
30 views
Pset5: check returns hashtable pointers as NULL despite hashtable values printed correctly in load
My check function returns all hashtable indexes as NULL (I printed a known index of 124 and still returns NULL), despite all indexes printed correctly in load. I am not sure where exactly the problem ...
0
votes
0answers
20 views
trouble loading dictionary
my load function seems to only load two words and all words are coming back misspelled. I don't know if the problem is with my load function or the hash function. I've gone over the load function ...
0
votes
1answer
19 views
My load function is licking memory
the program complies properly but when i use valgrind shows am leaking memory when I open the file in the FILE *file = fopen(dictionary, "r");
bool load(const char *dictionary)
{
// TODO
...
0
votes
0answers
20 views
Pset5: Problem with loading multiple words with the same hash number
I am having problems with loading multiple words with the same hash code. The hash function I chose, from what I can understand, takes the ascii codes of all of the words in the dictionary, and ...
0
votes
0answers
75 views
CS50 pset5 Speller - Code Does Not Compile Due to Issue with Hash Table/Load Function
I've been working on Speller for a little while now, but I've run into a roadblock. I finished my first draft of speller and have been clearing up errors until this point. Here's my dictionary.c so ...
0
votes
1answer
21 views
cs50 Speller Question
I am currently working on the load function in Speller. When I run it with a file, most of the words are mispelled, leading me to believe that initializing my list works correctly, until it adds ...
0
votes
1answer
57 views
Speller pset 5: Valgrind gives me error
I am doing pset 5 speller and It seems to be okey less valgrind check.
Valgrind HELP50 gives me these errors
==22585== Use of uninitialised value of size 8
==22585== at 0x40110B: hash (dictionary.c:...
0
votes
1answer
116 views
PSET 5 Speller - Unload leaking a ton of memory
I've been trying to read other questions on stack exchange about it and do research on it but I really couldn't find a solution for my unload problem. It doesn't seem to unload much. I tried a lot of ...
0
votes
0answers
44 views
PSET5 dictionaries won't load
I cannot get my dictionaries to load and cannot figure out why. Here is my load function:
// Loads dictionary into memory, returning true if successful else false
bool load(const char *dictionary)
{
...
0
votes
1answer
99 views
Pset5: Speller. incorrect counting of mispelled words
I've been working on this code for the last two weeks... I load the correct # of words into the dictionary, but I get an incorrect number for misspelled words. I believe its an issue either with my ...
0
votes
1answer
69 views
Speller week 5 Segmentation fault
I can't understand where and what my error is
I think it's because of "load", but I can't fix it
it returns an error when checking
:) dictionary.c, dictionary.h, and Makefile exist
:) ...
0
votes
3answers
261 views
PSET 5 Hash help
I started my load function without looking at any reference code (first time starting a pset this way) to give me an idea on how to implement my own version. I was mostly confident until I reached the ...
0
votes
1answer
38 views
Pset5 segmentation fault due to sprintf
// Loads dictionary into memory, returning true if successful else false
bool load(const char *dictionary)
{
int i;
for (i = 0; i < 5382; i++)
{
table[i] = NULL;
}
int ...
0
votes
2answers
91 views
strcpy not working with struct items
bool load(const char *dictionary)
{
char splitStrings[9999][45];
FILE* dict = fopen(dictionary, "r");
node* item = table[0];
int i = 0;
for (i = 0; fscanf(dict, "%...
0
votes
1answer
108 views
pset5 speller, passes all Check50 requirements except the last one (Valgrind)
My code is now working fine but misses out on fully completing Check50 because of the last requirement. Running ~/pset5/speller/ $ help50 valgrind ./speller texts/cat.txt, it returns:
==6259== ...
0
votes
1answer
39 views
PSet5 Speller, Load Function, help50 Valgrind returns “==2480== Conditional jump or move depends on uninitialised value(s)” at the strcpy line
I've been working on Speller for a while now, but I've been stuck on this same problem. When testing my code by running ./speller texts/ANYOFTHETEXTS, it says I load 143092 words, but it also always ...
0
votes
1answer
56 views
Speller.c doesn't work
I've spent pretty much time trying to solve a speller and got really stuck, don't know what's wrong with my code. It compiles but check50 says it's totally incorrect. I would be grateful if you could ...
0
votes
1answer
36 views
PSET 5 segmentation fault on checker
I figured out that the problem is the checker. The output of this code is a segmentation fault. I think I followed everything on the walkthrough. Here is the result that I got: the result of the code. ...
0
votes
1answer
170 views
CS50 Speller Load function
I looked through my load function with debug50 and realised that each time the loop is iterated, the pointer temp always gets assigned the same value despite freeing it, how do Igo about resolving ...
0
votes
2answers
39 views
PSET5 - Valgrind error - no enough bytes are being freed
I've been on this pset for some time now and everythin seems to be working except that there are some memory leaks and I really can't understand why. I've checked a lot of other people's codes but I ...
0
votes
1answer
47 views
Speller Load doesn't see certain words
My load function sometimes overlooks certain words in the dictionary. For example it jumps over the word "nodes" instead of loading it into the hash table.
bool load(const char *dictionary)
{
// ...
0
votes
2answers
64 views
load function in speller not working properly not seem to figure out the correct way to link hastable?
Implements a dictionary's functionality
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <strings.h>
#...
3
votes
1answer
956 views
Help with PSet 5 2020 - Speller - Check & Unload Functions (EDIT: logic error in Load Function)
EDIT: Fixed the problem. The issue was not with the check or unload function but with the load function which had a small but very significant logic error. Figured it out with some great help from a ...
0
votes
1answer
33 views
speller giving error on valgrind, using 4 bytes of memory that isn't yours…indexing an array out of bounds
I think the problem with is the load() function, here is my code:
bool load(const char *dictionary)
{
char *s = malloc(LENGTH + 1);
FILE *f = fopen(dictionary, "r");
if (f == NULL)
{
return false;...
0
votes
1answer
139 views
PSET5 - Speller - Doesn't display anything past MISSPELLED WORDS
I've been debugging for quite a while now and can't seem to figure out the solution to this problem. When I use the large or small dictionary on any of the texts, the program becomes stuck at ...
0
votes
0answers
39 views
pset5 speller issue
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include "dictionary.h"
#include "string.h"
#include <cs50.h>
#include <strings.h>
typedef struct node
{
...
0
votes
0answers
25 views
Pset5 - Segmentation fault (Load function) - Using a for loop to make all elements of table[i] = NULL
The following is my load function and I am having a segmentation fault when I run the executable code by typing for example when I type
./speller texts/aca.txt
When I run debug50, it is pointing to ...
0
votes
1answer
31 views
Pset5 load problem: Dictionary cannot be loaded
I run my code and it cannot load the dictionary. I'm not sure if the problem is with my code or the file location. Anybody knows why? Thanks in advance.
0
votes
1answer
103 views
Pset5 Speller returns all words misspelled and seg faults
I'm completely lost on this one. I can't see a problem with my check function but it never returns a match when using strcasecmp. I think the problem is probably in load() but I really have no idea ...
0
votes
0answers
37 views
Help on Pset5 Speller
bool load(const char *dictionary)
{
// Open dictionary
FILE *dict = fopen(dictionary, "r");
if (dict == NULL)
{
printf("Could not read.\n");
return false;
}
...
0
votes
1answer
98 views
pset5 - almost all words misspelled
I'm having trouble with the implementation of the PSET5 spell check code. I've looked through a lot of CS50 Stack Exchange posts, but haven't found any help. The problem is either in the check or in ...
0
votes
1answer
45 views
Help with speller load function on PSET4
I have been stuck on pset4 for quite some time without any meaningful progress. After re-watching the walkthroughs and reading answers here I've sort of put together a "frankenstein" thing for the ...
0
votes
1answer
119 views
pset5 speller-“Could not load dictionaries/large” even without “return false” in load
I typed in the command window './speller texts/cat.t'
The window print out 'Could not load dictionaries/large.'
I've made all the 'return false' in load comments. I don't understand why it can still ...
2
votes
2answers
94 views
2019 PSET4 SPELLER, I have no clue why it isn't working, I'm sure size and unload function is right, but unsure about load and check
// Implements a dictionary's functionality
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#...
0
votes
1answer
69 views
PSET 4 - Speller Load Function giving SEG Fault at strcpy(“cursor->word”, word);
while (fscanf(file, "%s", word) != EOF)
{
// TODO
node *cursor = malloc(sizeof(node));
if(cursor == NULL)
{
unload();
return false;
}
strcpy("cursor->word",...
0
votes
1answer
100 views
Declaring a node (a struct pointer) from a function
I'm tackling load and decided to make a create_node function for allocating memory, NULLing all children and setting is_word as false.
What I wrote is essentially the same as in this question
struct ...
0
votes
1answer
108 views
CS50 Speller - Load, Use of undeclared identifier
I've been stuck on the load portion of Speller. Feels like I have a grasp on what I'm supposed to do but I keep getting use of undeclared identifier "head". Any guidance is appreciated. Am I headed in ...
0
votes
1answer
2k views
I keep getting the message that 'non-ASCII characters are not allowed outside of literals and identifiers.'
I keep getting the message that 'non-ASCII characters are not allowed outside of literals and identifiers.' I get this message when I compile and it is at the strcpy section. Any help gratefully ...
