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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* stdio must be included before readline */
#include <readline/readline.h>
#include "input.h"
int prompt_yes_no(void)
{
char *line = NULL;
int attempts = 0;
int ret = 0;
do {
line = readline(" [Y/n] ");
char input = line[0];
if (input == '\n'/*no input*/ || input == 'y' || input == 'Y') {
ret = 1;
break;
}
else if (input == 'n' || input == 'N') {
break;
}
attempts++;
} while(attempts < 3);
if (line != NULL) {
free(line);
}
return ret;
}
void remove_ending_newline(char *str)
{
int idx = strlen(str) - 1;
assert(str[idx] == '\n');
str[idx] = '\0';
}
char *readline_with_check(const char *prompt)
{
char *input = readline(prompt);
if (input == NULL) {
perror("readline");
exit(EXIT_FAILURE);
}
return input;
}
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