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Fix bug #140, related to isolinux size, following patch by Christian Ostheimer.

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We had assumed isolinux images are always a multiple of 4 bytes. However, 
this does not happens with recent isolinux images.
This commit is contained in:
Vreixo Formoso 2008-08-29 20:54:14 +02:00
parent 33e058a66a
commit e79ee64a2f
1 changed files with 6 additions and 3 deletions
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9
libisofs/eltorito.c
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@ -807,9 +807,12 @@ int patch_boot_image(uint8_t *buf, Ecma119Image *t, size_t imgsize)
offset += 4; offset += 4;
} }
if (offset != imgsize) { if (offset != imgsize) {
/* file length not multiple of 4 */ /*
return iso_msg_submit(t->image->id, ISO_ISOLINUX_CANT_PATCH, 0, * file length not multiple of 4
"Unexpected isolinux image length. Patch might not work."); * empty space in isofs is padded with zero;
* assume same for last dword
*/
checksum += iso_read_lsb(buf + offset, imgsize - offset);
} }
/* patch boot info table */ /* patch boot info table */