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New API call iso_write_opts_set_system_area() acts like mkisofs option -G

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Thomas Schmitt
2010-04-06 14:41:36 +02:00
parent f0f378c38f
commit f13167335a
6 changed files with 218 additions and 39 deletions
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52
libisofs/libisofs.h
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@@ -1680,6 +1680,32 @@ int iso_write_opts_set_overwrite_buf(IsoWriteOpts *opts, uint8_t *overwrite);
*/
int iso_write_opts_set_fifo_size(IsoWriteOpts *opts, size_t fifo_size);
/*
* Attach 32 kB of binary data which shall get written to the first 32 kB
* of the ISO image, the ECMA-119 System Area. This space is intended for
* system dependent boot software, e.g. a Master Boot Record which allows to
* boot from USB sticks or hard disks. ECMA-119 makes no own assumptions or
* prescriptions about the byte content.
*
* If system area data are given or options bit0 is set, then bit1 of
* el_torito_set_isolinux_options() is automatically disabled.
* @param data
* Either NULL or 32 kB of data. Do not submit less bytes !
* @param options
* Can cause manipulations of submitted data before they get written:
* bit0= apply a --protective-msdos-label as of grub-mkisofs.
* This means to patch bytes 446 to 512 of the system area so
* that one partition is defined which begins at the second
* 512-byte block of the image and ends where the image ends.
* @param flag
* bit0 = invalidate any attached system area data. Same as data == NULL
* @return
* ISO_SUCCESS or error
* @since 0.6.30
*/
int iso_write_opts_set_system_area(IsoWriteOpts *opts, char data[32768],
int options, int flag);
/**
* Inquire the start address of the file data blocks after having used
* IsoWriteOpts with iso_image_create_burn_source().
@@ -2325,19 +2351,27 @@ void el_torito_set_no_bootable(ElToritoBootImage *bootimg);
void el_torito_patch_isolinux_image(ElToritoBootImage *bootimg);
/**
* Specifies options for IsoLinux boot images. This should only be used with
* isolinux boot images.
* Specifies options for ISOLINUX or GRUB boot images. This should only be used
* if the type of boot image is known.
*
* @param options
* bitmask style flag. The following values are defined:
*
* bit 0 -> 1 to patch the image, 0 to not
* Patching the image involves the writing of a 56 bytes
* boot information table at offset 8 of the boot image file.
* The original boot image file will not be modified. This is
* needed to allow isolinux images to be bootable.
* bit 1 -> 1 to generate an hybrid image with MBR, 0 to not
* An hybrid image is a boot image that boots from either
* bit 0 -> 1 to patch the boot info table of the boot image.
* 1 does the same as mkisofs option -boot-info-table.
* Needed for ISOLINUX and for GRUB rescue boot images.
* The table is located at byte 8 of the boot image file.
* Its size is 56 bytes.
* The original boot image file on disk will not be modified.
*
* bit 1 -> 1 to generate a ISOLINUX isohybrid image with MBR.
* ----------------------------------------------------------
* @deprecated since 31 Mar 2010:
* The author of syslinux, H. Peter Anvin requested that this
* feature shall not be used any more. He intends to cease
* support for the MBR template that is included in libisofs.
* ----------------------------------------------------------
* A hybrid image is a boot image that boots from either
* CD/DVD media or from disk-like media, e.g. USB stick.
* For that you need isolinux.bin from SYSLINUX 3.72 or later.
* IMPORTANT: The application has to take care that the image