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Initial implementation of MD5 checksums for session and single data files.

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To be activated by macro Libisofs_with_checksumS.
New AAIP attributes "isfs.ca" and "isofs.cx".
New API calls iso_image_get_session_md5() and iso_file_get_md5().
This commit is contained in:
Thomas Schmitt
2009-08-10 13:56:06 +02:00
parent 55690756ae
commit b5f4a66c59
15 changed files with 1349 additions and 40 deletions
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31
libisofs/node.h
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@@ -24,7 +24,7 @@
/**
* The extended information is a way to attach additional information to each
* IsoNode. External applications may want to use this extension system to
* store application speficic information related to each node. On the other
* store application specific information related to each node. On the other
* side, libisofs may make use of this struct to attach information to nodes in
* some particular, uncommon, cases, without incrementing the size of the
* IsoNode struct.
@@ -67,7 +67,7 @@ struct iso_extended_info {
struct Iso_Node
{
/*
* Initilized to 1, originally owned by user, until added to another node.
* Initialized to 1, originally owned by user, until added to another node.
* Then it is owned by the parent node, so the user must take his own ref
* if needed. With the exception of the creation functions, none of the
* other libisofs functions that return an IsoNode increment its
@@ -451,4 +451,31 @@ int iso_node_set_ino(IsoNode *node, ino_t ino, int flag);
*/
int iso_node_cmp_flag(IsoNode *n1, IsoNode *n2, int flag);
/**
* Set the checksum index (typically comming from IsoFileSrc.checksum_index)
* of a regular file node. The index is encoded as xattr "isofs.cx" with
* four bytes of value.
*/
int iso_file_set_isofscx(IsoFile *file, unsigned int checksum_index,
int flag);
/**
* Set the checksum area description. node should be the root node.
* It is encoded as xattr "isofs.ca".
*/
int iso_root_set_isofsca(IsoNode *node, uint32_t start_lba, uint32_t end_lba,
uint32_t count, uint32_t size, char *typetext,
int flag);
/**
* Get the checksum area description. node should be the root node.
* It is encoded as xattr "isofs.ca".
*/
int iso_root_get_isofsca(IsoNode *node, uint32_t *start_lba, uint32_t *end_lba,
uint32_t *count, uint32_t *size, char typetext[81],
int flag);
#endif /*LIBISO_NODE_H_*/