path: root/src/common/nullpo.cpp

#include "nullpo.hpp"

#include <cstdio>

#include "../poison.hpp"

/// Actual output function
static
void nullpo_info(const char *file, int line, const char *func)
{
    if (!file)
        file = "??";
    if (!func || !*func)
        func = "unknown";

    fprintf(stderr, "%s:%d: in func `%s': NULL pointer\n",
            file, line, func);
}

bool nullpo_chk(const char *file, int line, const char *func,
                 const void *target)
{
    if (target)
        return 0;

    nullpo_info(file, line, func);
    return 1;
}