sys_prog/midterm/processes/processes.c

#include <stdlib.h>
#include "processes.h"

typedef unsigned int uint;
typedef unsigned long int ulong;

const ulong INIT_CAP = 1024;

struct process {
	uint pid;
	uint ppid;
	char user[9];
	double priority;
	ulong resident_size;
	ulong size;
	ulong virtual_size;
	char command[16];
};

struct processes {
	ulong size;
	ulong capacity;
	struct process procs[];
};

struct processes* new_processes() {
	struct processes* p = malloc(sizeof(struct processes) + INIT_CAP *
			sizeof(struct process));
	if (!p) {
		return NULL;
	}

	p->size = 0;
	p->capacity = INIT_CAP;
	return p;
}

void delete(struct processes* p) {
	free(p);
}