mtdinfo.c

#include <stdio.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <mtd/mtd-user.h>

int main(int argc, char **argv)
{
    mtd_info_t mtd_info;
    int fd;

    if (argc < 2) {
            fprintf(stderr, "usage: %s /dev/mtdDEVICE\n", argv[0]);
            return -1;
    }

    fd = open(argv[1], O_RDWR);
    ioctl(fd, MEMGETINFO, &mtd_info);

    printf("MTD type: %u\n", mtd_info.type);
    printf("MTD total size : %u %1$xh bytes\n", mtd_info.size);
    printf("MTD erase size : %u %1$xh bytes\n", mtd_info.erasesize);

    return 0;
}