poll demo i once write for /chad/, but was never used

C_C++/anon_-_poller/.gitignore

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+.gdb_history
+poller

C_C++/anon_-_poller/Makefile

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+master:
+	gcc -Wall -Wextra -Wpedantic source/main.c -o poller -ggdb

C_C++/anon_-_poller/README.md

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+// ### Poller spec ###
+ + take repeated input from stdin
+ + consider each terminated input line a command
+ + valid commands
+    - poll <question>; (<max_voting>)
+    - poll_status
+    - vote [n|y]
+ + the program only needs to keep track of 1 poll
+ + every vote is boolean
+ + <max_voting> is optional
+ + if more then half of <max_voting> number of people agreed, echo that the question is decided and what the verdict is 

C_C++/anon_-_poller/source/main.c

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+#include <stdio.h>
+#include "poller.h"
+
+int print_poll_decision(const int yes, const int no){
+	if (yes > no) {
+		puts("The voters have decided on \033[32myes\033[0m.");
+	} else {
+		puts("The voters have decided on \033[31mno\033[0m.");
+	}
+
+	return 0;
+}
+
+int print_poller_status(const char * const question, const int yes, const int no, const int voter_max) {
+	printf("\033[1m%s?\033[0m Yes: %d | No: %d\n", question, yes, no);
+	if (is_majority(yes, no, voter_max)) {
+		print_poll_decision(yes, no);
+	}
+
+	return 0;
+}
+
+signed main() {
+	poller_display_status = print_poller_status;
+	poller_display_decision = print_poll_decision;
+
+	char * input = NULL;
+	size_t lenght = 0;
+
+	do{
+		getline(&input, &lenght, stdin);
+		poller_interpret(input);
+	} while(1);
+
+	return 0;
+}

C_C++/anon_-_poller/source/poller.h

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+#ifndef POLLER_H
+#define POLLER_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+static char* question = NULL;
+static int vote_yes_count = 0;
+static int vote_no_count = 0;
+static int voter_max;
+
+int (*poller_display_status)(const char * const question, const int yes, const int no, const int voter_max) = NULL;
+int (*poller_display_decision)(const int yes, const int no) = NULL;
+
+bool is_majority(const int a, const int b, const int max) {
+	return (max && ((a > (max / 2)) || (b > (max / 2))));
+}
+
+int poller_interpret(const char * const s) {
+	if(!s){
+		return 0;
+	}
+
+	int separation = 0;
+	while (s[separation] && (s[separation] != ' ')) {
+		++separation;
+	}
+
+	if (!strncmp(s, "poll", separation - 1)) {
+		if(s[separation] == '\n'){
+			return 0;
+		}
+
+		int base = separation;
+		bool has_max = false;
+
+		while (s[separation] && (s[separation] != '\n')) {
+			if (s[separation] == ';') {
+				has_max = true;
+				break;
+			}
+			++separation;
+		}
+		
+		const int len = ((separation - 1) - (base + 1)) + 1;
+		free(question);
+		question = malloc(len);
+		strncpy(question, s + base + 1, len);
+
+		if (has_max) {
+			sscanf(s + separation + 2, "%d", &voter_max);
+		} else {
+			voter_max = 0;
+		}
+	} else if (!strncmp(s, "poll_status", separation - 1)) {
+		if(poller_display_status){
+			poller_display_status(question, vote_yes_count, vote_no_count, voter_max);
+		}
+	} else if (!strncmp(s, "vote", separation - 1)) {
+		switch (s[separation + 1]) {
+			case 'y':
+			case 'Y': {
+				++vote_yes_count;
+			} break;
+			case 'n':
+			case 'N': {
+				--vote_yes_count;
+			} break;
+		}
+
+		if (is_majority(vote_yes_count, vote_no_count, voter_max) && poller_display_decision) {
+			poller_display_decision(vote_yes_count, vote_no_count);
+		}
+	}
+
+	return 1;
+}
+
+#endif