#include <onlp/onlp.h>
#include <onlplib/file.h>
#include <unistd.h>
#include <fcntl.h>
#include "platform_lib.h"
#include <onlp/platformi/sfpi.h>
#include "x86_64_accton_as4222_28pe_log.h"


static int _onlp_file_write(char *filename, char *buffer, int buf_size, int data_len)
{
    int fd;
    int len;

    if ((buffer == NULL) || (buf_size < 0)) {
        return -1;
    }

    if ((fd = open(filename, O_WRONLY, S_IWUSR)) == -1) {
        return -1;
    }

    if ((len = write(fd, buffer, buf_size)) < 0) {
        close(fd);
        return -1;
    }

    if ((close(fd) == -1)) {
        return -1;
    }

    if ((len > buf_size) || (data_len != 0 && len != data_len)) {
        return -1;
    }

    return 0;
}

int onlp_file_write_integer(char *filename, int value)
{
    char buf[8] = {0};
    sprintf(buf, "%d", value);

    return _onlp_file_write(filename, buf, (int)strlen(buf), 0);
}

int onlp_file_read_binary(char *filename, char *buffer, int buf_size, int data_len)
{
    int fd;
    int len;

    if ((buffer == NULL) || (buf_size < 0)) {
        return -1;
    }

    if ((fd = open(filename, O_RDONLY)) == -1) {
        return -1;
    }

    if ((len = read(fd, buffer, buf_size)) < 0) {
        close(fd);
        return -1;
    }

    if ((close(fd) == -1)) {
        return -1;
    }

    if ((len > buf_size) || (data_len != 0 && len != data_len)) {
        return -1;
    }

    return 0;
}

int onlp_file_read_string(char *filename, char *buffer, int buf_size, int data_len)
{
    int ret;

    if (data_len >= buf_size) {
	    return -1;
	}

	ret = onlp_file_read_binary(filename, buffer, buf_size-1, data_len);

    if (ret == 0) {
        buffer[buf_size-1] = '\0';
    }

    return ret;
}


