"elf_begin" returns NULL

[Robe]

Hi,

I'm trying to create an object file (.o) using the "libelf" library.
Below appear the full source code.
Does any body know why the "elf_begin" statement return NULL?


#include < stdio.h>
#include <stdlib.h>
#include <libelf.h>

int main()
{
    int FileDes;

    Elf *pElf = elf_begin(FileDes, ELF_C_WRITE, NULL);  // 3rd argument
is ignored for "ELF_C_WRITE"

    if (!pElf)
        printf("elf_begin: error\n");

    Elf32_Ehdr *pEhdr = elf32_newehdr(pElf);

    if (!pEhdr)
        printf("elf32_newehdr: error\n");


    elf_end(pElf);

    // Free the memory
        free(pElf);
        free(pEhdr);

    return 0;
}

Thanx,

Robe.


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