Questions about itoa function may have this tag. Despite being supported by some compilers, this function is not defined in ANSI-C and it is not part of C++.
Questions tagged [itoa]
94 questions
0
votes
3 answers
itoa providing 7-bit output to character input
I am trying to convert a character to its binary using inbuilt library (itoa) in C(gcc v-5.1) using example from Conversion of Char to Binary in C , but i'm getting a 7-bit output for a character input to itoa function.But since a character in C is…
harry
- 11
- 3
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votes
3 answers
How do you properly implement turning an int into a string?
I am writing a bit of an operating system, and I require the ability to print the addition of a variable. I have a working atoi function and so I reversed it to give me an itoa function. There is no way to access free memory, so I need to figure out…
Dylan Turner
- 322
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- 12
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votes
1 answer
Which library do I have to download in order to get itoa() in C
I want to use itoa() in C . Which library do I have to download?
I would prefer to include a specific library instead of using my own code, but that may be wrong.
I have seen several examples of how to use itoa() but my problem is how to get the…
0
votes
1 answer
Append unsigned char* to unsigned char*
I'd like to append an unsigned char* to another unsigned char* to create a long string that can be returned to a parent function and parsed. I have the following:
unsigned char *bytes = NULL;
unsigned char *retVal = NULL;
int intVal1,…
txcotrader
- 585
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1 answer
Itoa and different character sets c++ visual studio 2013
My code:
m_ListCtrlCandidates.InsertItem(i, _itoa_s(candidate[i].ID, (char*)(LPCTSTR)str, 10));
m_ListCtrlCandidates.SetItemText(i, 1, _itoa(candidate[i].FingerNumber, (char*)(LPCTSTR)str, 10));
m_ListCtrlCandidates.SetItemText(i, 2,…
user4342836
- 43
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- 10
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votes
1 answer
How can I get the atoi() function to work on a string?
int p; long unsigned int z;
while (i <= x.length())
{
const int a = x.length();
char* b;
b = x.substr(sizeof(a) - i, 1);
p = atoi(b);
z = (z + p + 3) * 3;
i++;
}
I'm getting:
C:\Users\Anthony\Downloads\pack1.cpp|77|error:…
thexiv
- 27
- 9
0
votes
2 answers
any alternative of itoa converting integer in base 2 to string?
as we know itoa tries to convert an integer in any base but to char array which has fix size, I am trying to find an alternative which can do the same work but convert to string with base 2 in c++.
user3073328
- 11
- 4
0
votes
1 answer
How to use itoa in C
Can anybody tell me how to use itoa function in C?
The prototype is:
char*itoa(int_Val,char*_DstBuf,int_Radix)
I think that int_Val is the value that I want to convert
char*_DstBuf, is the string where I want to store the result
But what is…
user3577832
- 23
- 1
- 6
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votes
1 answer
Problems with itoa
I am trying to send some data from an micro controller to the PC. The data is 10 bit ADC conversions(e.g numbers from 0-1023) from different ports. I have saved this number as an integer and I would now want to transform this to an ascii string…
Henrik
- 405
- 1
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0
votes
3 answers
C++ standard alternative to itoa() to convert int to base 10 char*
To convert an integer to base 10 char*
std::itoa(ConCounter, ID, 10);
ConCounter is an integer, ID is a char*, and 10 is the base
It says that iota is not a member of std and without std it's not declared. I know it's a nonstandard function but I…
nurtul
- 274
- 1
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- 19
0
votes
1 answer
How do I read binary data, convert it to an int, then convert it back in C++?
I'm trying to open a wav file, read it, convert the buffer to an integer array, then convert it back and write it.
int main(){
ifstream file ("C:\\Documents\\ParadigmE3-shortened.wav",std::ios_base::out | std::ios_base::binary);
char *…
JVE999
- 3,327
- 10
- 54
- 89
0
votes
1 answer
itoa function does not work for single digit integers
I have a custom itoa function that works for integers 10 and greater, but for some reason it returns nothing if the integer passed is a single digit. I can't seem to figure out why that is.
When I print the array after it has been reversed by…
LazerSharks
- 3,089
- 4
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- 67
0
votes
1 answer
Converting from int to byte array then back to int using atoi and itoa on Arduino for transmission
I am converting an signed int to send over Arduino Wire as multiple bytes so I did the following:
The code below is the debugging of my implementation, you can copy into the Arduino IDE to see printout.
What I cant understand is how itoa creates an…
frazras
- 5,928
- 4
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- 40
0
votes
2 answers
itoa in C using Codeblocks causes segmentation error
Been playing with itoa() for a school project and it was working fine then started to throw errors.
Says its having a segmenation error when first instance of itoa is handled.
Here's the offending code.
I don't see why it would work at first then…
Chef Flambe
- 885
- 2
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0
votes
3 answers
i have some problems with C in xcode
I am using use Microsoft Visual Studio to learn C, I wrote some code, it's work well. But when I tried to debug with xcode, it doesn't work.
this is my error in xcode
Here is my code for convert a number to roman numeral:
#include…
user1907096
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