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  1. #include <stdio.h>
  2. #include <stdint.h>
  3. #include <string.h>
  4.  
  5. // Function to copy data from a const char* to a uint8_t* buffer
  6. void copy_data_to_buffer(const char *data, uint8_t *buff, size_t buff_size) {
  7.     // Calculate the length of the input data
  8.     size_t data_length = strlen(data);
  9.  
  10.     // Ensure the buffer is large enough to hold the data
  11.     if (data_length >= buff_size) {
  12.         printf("Error: Buffer is too small to hold the data.\n");
  13.         return;
  14.     }
  15.  
  16.     // Copy the data into the buffer
  17.     memcpy(buff, data, data_length);
  18.  
  19.     // Optionally, null-terminate the buffer (if needed)
  20.    // buff[data_length] = '\0';
  21. }
  22.  
  23. int main() {
  24.     const char *data = "Hello, World!";  // Example input data
  25.     uint8_t buff[50];  // Buffer to hold the copied data
  26.  
  27.     // Copy the data into the buffer
  28.     copy_data_to_buffer(data, buff, sizeof(buff));
  29.  
  30.     // Print the copied data
  31.     printf("Copied data: %s\n", (char *)buff);
  32.  
  33.     return 0;
  34. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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Standard input is empty
stdout
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Copied data: Hello, World!U
https://ideone.com/97ceBs
language:
C (gcc 8.3)
created:
38 days ago
visibility:
public

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