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Questions - strcpy

why do i get Segmentation fault executing this code?

I'm trying to figure out the issue with this code: int main(int argc, char *argv[]) { char *s; scanf("%s\n", s); char *t = malloc(sizeof(*s) + 1); strcpy(t, s); t[0] = ...
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Said laasri

c

memory

malloc

strcpy

toupper

Votes: 0

Answers: 2

Latest Answer

You are using scanf on a char* without first allocating memory to it. This may lead to segmentation fault. In fact, the following code : #include<stdio.h> int main() { char* str; scanf(...
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Prashanth Sriram S

I made my own strcpy function, but it is not working. How to fix it?

I attempted to make my own mystrcpy() function, which takes the same arguments as the standard function. It is not responding. The array does not get copied. size_t Mystrlen(const char* s) { int i...
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malscode

c++

function

char

strcpy

Votes: 0

Answers: 1

Latest Answer

You'd better call Mystrlen once before the loop, instead of each iteration (to check the loop condition). It's very inefficient this way. You didn't copy the zero termination to the destination strin...
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wohlstad

How do I read a single letter from a file when the letter has a space on either side? (C)

I'm currently working on an assignment in my Intro to C class. The assignment has us using fgets to read a single line from a file, then strcpy and strtok to take individual elements from that line an...
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JakeFist26

arrays

c

file

strtok

strcpy

Votes: 0

Answers: 0

Question about strcpy using char pointer in C

I'm doing some programming with C, and I have a minor problem using strcpy. char* file="It has something inside" int size= sizeof(file); char* file_save = malloc(sizeof(char)*size); strcpy(f...
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lin ki

c

dynamic-memory-allocation

c-strings

sizeof

strcpy

Votes: 0

Answers: 3

Latest Answer

The variable file has the pointer type char * char* file="It has something inside"; It would be even better to declare the pointer with the qualifier const because you may not change the st...
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Vlad from Moscow

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