Made sure that every call to bfd_read, bfd_write, and bfd_seek

checks the return value and handled bfd_error correctly.  These
	changes are not itemised.
This commit is contained in:
Ian Lance Taylor 1994-04-04 22:49:04 +00:00
parent 6d4f771502
commit 4002f18a05
22 changed files with 429 additions and 369 deletions

View file

@ -123,7 +123,8 @@ b_out_object_p (abfd)
if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
!= EXEC_BYTES_SIZE) {
bfd_set_error (bfd_error_wrong_format);
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return 0;
}
@ -250,21 +251,28 @@ b_out_write_object_contents (abfd)
bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr);
bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
bfd_write ((PTR) &swapped_hdr, 1, EXEC_BYTES_SIZE, abfd);
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
|| (bfd_write ((PTR) &swapped_hdr, 1, EXEC_BYTES_SIZE, abfd)
!= EXEC_BYTES_SIZE))
return false;
/* Now write out reloc info, followed by syms and strings */
if (bfd_get_symcount (abfd) != 0)
{
bfd_seek (abfd, (file_ptr)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET);
if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET)
!= 0)
return false;
if (! aout_32_write_syms (abfd))
return false;
bfd_seek (abfd, (file_ptr)(N_TROFF(*exec_hdr(abfd))), SEEK_SET);
if (bfd_seek (abfd, (file_ptr)(N_TROFF(*exec_hdr(abfd))), SEEK_SET) != 0)
return false;
if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
bfd_seek (abfd, (file_ptr)(N_DROFF(*exec_hdr(abfd))), SEEK_SET);
if (bfd_seek (abfd, (file_ptr)(N_DROFF(*exec_hdr(abfd))), SEEK_SET)
!= 0)
return false;
if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
}
@ -873,7 +881,8 @@ b_out_set_section_contents (abfd, section, location, offset, count)
}
/* regardless, once we know what we're doing, we might as well get going */
bfd_seek (abfd, section->filepos + offset, SEEK_SET);
if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
return false;
if (count != 0) {
return (bfd_write ((PTR)location, 1, count, abfd) == count) ?true:false;