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simplest.c
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simplest.c
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#include <stdio.h>
#include <stdlib.h>
void print_menu()
{
printf("Simplest r0p challenge...\n");
printf("3) do the thing\n");
}
int read_input(char *buffer, int length)
{
char c = '\0';
int i = 0;
for (i = 0; i < length; i++) {
c = getc(_IO_stdin);
if (c == '\n') {
break;
}
buffer[i] = c;
}
return i;
}
int get_choice()
{
int choice;
char buffer[2] = { 0 };
read_input(buffer, sizeof(buffer));
choice = atoi(buffer);
return choice;
}
int vuln()
{
int choice;
char buffer[40] = { 0 };
return read_input(buffer, sizeof(buffer) * 2);
}
int main(int argc, char **argv)
{
int choice;
print_menu();
choice = get_choice();
if (choice == 3) {
vuln();
} else {
printf("you only had one choice...\n");
}
}