from the archive header to override SIZE. */
if (parent->kind == ELF_K_AR)
{
- struct ar_hdr h = { .ar_size = "" };
-
- if (unlikely (parent->maximum_size - offset < sizeof h))
+ /* File size, in ASCII decimal, right-padded with ASCII spaces.
+ Max 10 characters. Not zero terminated. So make this ar_size
+ array one larger and explicitly zero terminate it. As needed
+ for strtoll. */
+ #define AR_SIZE_CHARS 10
+ char ar_size[AR_SIZE_CHARS + 1];
+ ar_size[AR_SIZE_CHARS] = '\0';
+
+ if (unlikely (parent->maximum_size - offset < sizeof (struct ar_hdr)))
return fail (ELF_E_RANGE);
if (parent->map_address != NULL)
- memcpy (h.ar_size, parent->map_address + parent->start_offset + offset,
- sizeof h.ar_size);
+ memcpy (ar_size, parent->map_address + parent->start_offset + offset,
+ AR_SIZE_CHARS);
else if (unlikely (pread_retry (parent->fildes,
- h.ar_size, sizeof (h.ar_size),
+ ar_size, AR_SIZE_CHARS,
parent->start_offset + offset
+ offsetof (struct ar_hdr, ar_size))
- != sizeof (h.ar_size)))
+ != AR_SIZE_CHARS))
return fail (ELF_E_READ_ERROR);
- offset += sizeof h;
+ offset += sizeof (struct ar_hdr);
char *endp;
- size = strtoll (h.ar_size, &endp, 10);
- if (unlikely (endp == h.ar_size)
+ size = strtoll (ar_size, &endp, 10);
+ if (unlikely (endp == ar_size)
|| unlikely ((off_t) parent->maximum_size - offset < size))
return fail (ELF_E_INVALID_ARCHIVE);
}