Category "c"

Hoare partition correctness

according to introduction to algorithms I wrote a code for quicksort using Hoare's partition in the codeblocks IDE .The code was successfully built but the sort

Lottie Splash screen and 'AppDelegate.m' error

I'm implementing Lottie Splash Screen on my project, I have followed all the steps on Lottie's page (https://www.npmjs.com/package/react-native-lottie-splash-sc

PostgreSQL C function to get values

I am trying to write a PostgreSQL function in C. My goal is finding minimum value of a list. So, my function will be executed like these: SELECT min_to_max(val)

When is memset to 0 nonportable? [duplicate]

From this comment in GCC bug #53119: In C, {0} is the universal zero initializer equivalent to C++'s {} (the latter being invalid in C). It i

How to stop printing comma and space after last digit in c

Here is the program I wrote: int main(void) { int d1, d2; d1 = 48; while (d1 < 58) { d2 = d1 + 1; while (d2 < 58)

ASCII value = 0 and '\0'

I have read this post. But when I tried: printf("before null %c after null\n", 0); // (ASCII=0) != '\0' ?? instead of getting: before null I got: bef

How to read into a running processus in c?

Hi how to read into a processus and how to use IMAGE_FILE_HEADER to read the pe header in this processus, thanks for replies:) sorry for my english i'm french

Finding peaks on C

Write C code to initialize an array of 10 integers. If both sides of a number are smaller than it, then that number is the peak. Once you have all the peaks, cr

Reading pattern from file and create a bmp image of that in C

I want to read an text file Using C Language.Here's the file:- You see there is some pattern in the text content on the file. 0 means nothing. 9 means blac

Callback in STM32 isn't called

Trying to make simple PWM transmitter i faced with a problem. I have TIM2 with Channel2 (in PWM Generation mode) on board NUCLEO F042K6 and USART1 connected to

How to avoid non-copyable characters in a C application, run by Eclipse

I am working with a C application, which is tested by a Java application, run in Eclipse. The Java application runs the C application, using the standard way: R

Effective software scheduling

For example in a code like below while(1){ task1(); task2(); } there should be cooperation between task1() and task2() which are executed in rr fashion. Ho

How can I disable coverity checking using code annotation?

There is a problem, coverity finds an error (potential OoB) in the place of the code where semantically this problem cannot arise. Because of the static analyze

How to correctly assign a pointer returned by dlsym into a variable of function pointer type?

I am trying to use dlopen() and dlsym() in my code and compile it with gcc. Here is the first file. /* main.c */ #include <dlfcn.h> int main() { v

How to get the strings of shstrtab?

I am writing a simplified version of Linux' readelf. I want to print section information, so I need the names of the sections. In the Elf64_Shdr struct, the sh

Is there a C function to convert a string with a number in base X to a string in base Y?

I am aware that strtol(hexstring, NULL, 16) will convert my string hexstring, which is hexadecimal, to a decimal. Likewise this would be the case in binary in s

why does have in error in undefined symbols?

I'm trying to use a 4x4_keypad.h, LCD_16x2_4bit.h and osc_config.h to get my 4x4_keypad.c, Calculator.c and LCD_16x2_4bit.c cleaner and tidied up. But I get man

What is causing "warning: assignment from incompatible pointer type error"?

I'm trying to experiment here with pointer arithmetic, but I get this warning. I am unable to understand where is this going wrong. The code is written to p

How do I properly pass command line arguments to a C program in CLion?

I need someone to outline how to pass command line arguments to CLion. What I've found so far hasn't worked for me. Specifically I need to know how to pass mult

Converting char * to Uppercase in C

I'm trying to convert a char * to uppercase in c, but the function toupper() doesn't work here. I'm trying to get the name of the the value of temp, the name be