vathpela

00000000  4d 5a 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |MZ..............|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000030  00 00 00 00 00 00 00 00  00 00 00 00 80 00 00 00  |................|
00000040  0e 1f ba 0e 00 b4 cd 09  21 b8 4c 01 54 68 65 20  |........!.L.The |
00000050  6f 6e 6c 79 20 77 69 6e  6e 69 6e 67 20 6d 6f 76  |only winning mov|
00000060  65 20 69 73 20 6e 6f 74  20 74 6f 20 70 6c 61 79  |e is not to play|
00000070  2e 0d 0d 0a 24 00 00 00  00 00 00 00 00 00 00 00  |....$...........|
00000080  50 45 00 00 64 86 02 00  00 00 00 00 00 00 00 00  |PE..d...........|

vathpela

/**
  Retrieves the magic value from the PE/COFF header.
  
  @param  Hdr             The buffer in which to return the PE32, PE32+, or TE header.
    
  @return EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC - Image is PE32
  @return EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC - Image is PE32+

**/
UINT16

vathpela

fenchurch:~/devel/github.com/efibootmgr$ sudo ./src/efibootmgr/efibootmgr -c -b 001B -d /dev/sda -l '\EFI\fedora\rhshim.efi' -L foo

Could not prepare boot variable: No space left on device

vathpela

diff --git a/src/efivarfs.c b/src/efivarfs.c
index 1c2fe04..0cb05ff 100644
--- a/src/efivarfs.c
+++ b/src/efivarfs.c
@@ -234,6 +234,8 @@ efivarfs_set_variable(efi_guid_t guid, const char *name, uin
 #if 1
        memcpy(buf, &attributes, sizeof (attributes));
        memcpy(buf + sizeof (attributes), data, data_size);
+       errno = ENOSPC;
+       return -1;