banan-os/userspace/test/test.cpp

35 lines
561 B
C++

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define ERROR(msg) { perror(msg); return 1; }
#define BUF_SIZE 1024
int main()
{
printf("userspace\n");
FILE* fp = fopen("/usr/include/kernel/kprint.h", "r");
if (fp == NULL)
ERROR("fopen");
char* buffer = (char*)malloc(128);
fread(buffer, 1, 100, fp);
pid_t pid = fork();
if (pid == 0)
{
while (size_t n_read = fread(buffer, 1, 127, fp))
fwrite(buffer, 1, n_read, stdout);
free(buffer);
fclose(fp);
return 0;
}
free(buffer);
fclose(fp);
return 0;
}