strcpy Questions
11
Solved
Edit: I've added the source for the example.
I came across this example:
char source[MAX] = "123456789";
char source1[MAX] = "123456789";
char destination[MAX] = "abcdefg";
char destination1[MAX]...
Pga asked 11/8, 2009 at 5:17
6
Solved
I'm trying to understand how to solve this trivial problem in C, in the cleanest/safest way. Here's my example:
#include <stdio.h>
int main(int argc, char *argv[])
{
typedef struct
{
char...
6
Solved
I read that strcpy is for copying a string, and strdup returns a pointer to a new string to duplicate the string.
Could you please explain what cases do you prefer to use strcpy and what cases do ...
7
Solved
I've been working on a project in C that requires me to mess around with strings a lot. Normally, I do program in C++, so this is a bit different than just saying string.empty().
I'm wondering wha...
10
Solved
So, I have seen this strcpy implementation in C:
void strcpy1(char dest[], const char source[])
{
int i = 0;
while (1)
{
dest[i] = source[i];
if (dest[i] == '\0')
{
break;
}
i++;
}
}
...
2
So I was reading Hacking the Art of Exploitation and in the book, they use the strcpy() function in their C code:
1 #include <stdio.h>
2 #include <string.h>
3
4 int main() {
5 char st...
Antoinette asked 20/1, 2019 at 23:0
9
Solved
In an interview, I was asked to write an implementation of strcpy and then fix it so that it properly handles overlapping strings. My implementation is below and it is very naive. How do I fix it s...
9
Solved
What is the difference between memcpy() and strcpy()? I tried to find it with the help of a program but both are giving the same output.
int main()
{
char s[5] = { 's', 'a', '\0', 'c', 'h' };
cha...
2
Solved
In the following program, i intend to copy char* line contents from one object to another through strcpy.
However when the program ends, destructor of obj2 works fine but dtor of obj crashes. gdb s...
5
Solved
I have an array of strings with a given size, without using any memory allocation, how do I append something into it?
Say I run the code, its waiting for something you want to enter, you enter "bo...
3
Solved
I know strncpy is a safer version of strcpy as said here.
However, when I want to copy from src to dst and dst is not a clean buffer, I get unwanted results, which can be avoided by strcpy:
char ...
6
Solved
A lot of the functions from the standard C library, especially the ones for string manipulation, and most notably strcpy(), share the following prototype:
char *the_function (char *destination, .....
7
Solved
3
Solved
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
int main() {
const char* hello = "Hello, World!";
char *str = malloc(14 * sizeof(char));
for (int i = 0; i < 14; i+...
6
Solved
When writing a project, I ran into a strange issue.
This is the minimal code I managed to write to recreate the issue. I am intentionally storing an actual string in the place of something else, wi...
Testify asked 10/11, 2017 at 10:4
3
I have large project having strcpy used everywhere. I am thinking to use strcpy_s instead of strcpy. I think almost 10,000 times I have used strcpy. It's so cumbersome to change every strcpy. Is th...
4
Can someone please explain to me why strcpy() is necessary to assign strings to character arrays, such as in the following code snippet.
int main(void) {
char s[4];
s = "abc"; //Fails
strcpy(s, ...
5
Solved
Is there a reason strcpy's signature is this:
char *strcpy(char *dest, const char *src);
instead of this?
char *strcpy(char *const dest, const char *src);
As far as I know, the function will ...
3
Solved
I'm a beginner to C but I have this code running on xcode through gcc on terminal:
#include <stdio.h>
#include <string.h>
int main(){
char name[12] = "Roman Mirov";
printf("My name...
2
Solved
4
Solved
As we all know, strcpy_s is a safety version of strcpy.
But I wonder how it works ...
let's see some examples.
strpy_s's declaration：
errno_t strcpy_s(_CHAR *_DEST, size_t _SIZE, const _CHAR *_...
1
Solved
Using the function strcpy in MS Visual Studio gives me an error saying I should use strcpy_s which is safer to use. Is strcpy_s part of the C++ standard? Or is it only part of Microsoft Visual C++?...
Nonjuror asked 8/4, 2016 at 4:44
5
I want to copy a null-terminated string to another location and want to know how long the copied string was. Efficiency is of utmost importance. There ist the strcpy function which can achieve this...
1
Solved
I have a simple program going this:
int main(void) {
int fd;
const char *text = "This is a test";
fd = open("/tmp/msyncTest", (O_CREAT | O_TRUNC | O_RDWR), (S_IRWXU | S_IRWXG | S_IRWXO) );
if...
2
Solved
When I tried to use strcpy to copy a string it gave me a compile error.
error C4996 'strcpy': This function or variable may be unsafe.
Consider using `strcpy_s` instead. To disable deprecation,
...
Cocoa asked 21/8, 2015 at 8:51
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