Question
In C Programming: I can't get my user input function to work in my main. Please help :) #include #define MAXINPUT 2048 #define MAXARGS 512
In C Programming:
I can't get my user input function to work in my main. Please help :)
#include
#define MAXINPUT 2048
#define MAXARGS 512
static bool reading_input = false;
void userInput(char *user_input[], int *bgStatus, char inputFile[], char outputFile[], int pid);
// main-------------------------
int main(){
int pid = getpid();
int cont = 1;
int exitStatus = 0;
int bgStatus = 0;
char *prompt = (getenv("PS1") != NULL) ? getenv("PS1") : "";
char *input = NULL;
size_t input_size = 0;
char *args[MAXARGS];
char input_copy[MAXINPUT];
int num_args = 0;
pid_t child_pid;
int child_status;
while(1) {
while ((child_pid = waitpid(-1, &child_status, WNOHANG)) > 0) {
if (WIFEXITED(child_status)) {
fprintf(stderr, "Child process %jd done. Exit status %d. ", (intmax_t) child_pid, WEXITSTATUS(child_status));
} else if (WIFSIGNALED(child_status)) {
fprintf(stderr, "Child process %jd done. Signaled %d. ", (intmax_t) child_pid, WTERMSIG(child_status));
} else if (WIFSTOPPED(child_status)) {
kill(child_pid, SIGCONT);
fprintf(stderr, "Child process %jd stopped. Continuing. ", (intmax_t) child_pid);
}
}
userInput(user_input, &bgStatus, inputFile, outputFile, pid);
if(strcmp(user_input[0], "exit") == 0) {
//exit;
}
return 0;
}
// userInput---------------------------------------------------------
void userInput(char *user_input[], int *bgStatus, char inputFile[], char outputFile[], int pid){
size_t input_size = 0;
char *prompt = (getenv("PS1") != NULL) ? getenv("PS1") : "";
char input[MAXINPUT];
printf("%s", prompt);
fflush(stdout);
ssize_t num_chars = getline(&input, &input_size, stdin);
reading_input = true;
if (num_chars == -1 && errno == EINTR) {
clearerr(stdin);
fprintf(stderr, " ");
}
// Check if input is blank and do nothing but return
if(!strcmp(input, "")){
//
}
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started