mathomatic.cpp

extern "C" {
#include <mathomatic/includes.h>
void free_mem(void);
void clear_all(void);
int process(char* cp);
void init_gvars(void);
int init_mem(void);
}
// #include <mathomatic/includes.h>
#undef min
#undef max
#include <stdio.h>
#include <stdlib.h>
#include <string>

bool init_mathomatic() {
    init_gvars();
    gfp = stdout;
    if (!init_mem()) {
        return false;
    }
    return true;
};

bool done_mathomatic() {
    free_mem();
    return true;
};

std::string math_process(const char* command, bool* Ok, std::string* ErrorStr) {
    std::string res;
    char* p;
    p = new char[strlen(command) + 1];
    strcpy(p, command);
    result_str = NULL;
    process(p);
    if (result_str != 0) {
        res = std::string(result_str);
        free(result_str);
        *Ok = true;
        ErrorStr->clear();
    } else {
        if (error_str != 0)
            *ErrorStr = std::string(error_str);
        // error_str should not be free()d
        *Ok = false;
        res.clear();
    };
    delete[] p;
    return res;
};

std::string math_process(const char* command) {
    bool Ok;
    std::string ErrorStr;
    return math_process(command, &Ok, &ErrorStr);
};

void math_clear_all() {
    //    math_process("clear all"); //почему-то завершается с ошибкой
    clear_all();
}