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index: Yes, we have to truncate

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Vicent Marti 2011-07-13 02:15:31 +02:00
parent b16692faa3
commit 3dd26d1e36
1 changed files with 13 additions and 3 deletions
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16
src/index.c
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@ -921,8 +921,18 @@ static int write_disk_entry(git_filebuf *file, git_index_entry *entry)
memset(ondisk, 0x0, disk_size); memset(ondisk, 0x0, disk_size);
ondisk->ctime.seconds = htonl(entry->ctime.seconds); /**
ondisk->mtime.seconds = htonl(entry->mtime.seconds); * Yes, we have to truncate.
*
* The on-disk format for Index entries clearly defines
* the time and size fields to be 4 bytes each -- so even if
* we store these values with 8 bytes on-memory, they must
* be truncated to 4 bytes before writing to disk.
*
* In 2038 I will be either too dead or too rich to care about this
*/
ondisk->ctime.seconds = htonl((uint32_t)entry->ctime.seconds);
ondisk->mtime.seconds = htonl((uint32_t)entry->mtime.seconds);
ondisk->ctime.nanoseconds = htonl(entry->ctime.nanoseconds); ondisk->ctime.nanoseconds = htonl(entry->ctime.nanoseconds);
ondisk->mtime.nanoseconds = htonl(entry->mtime.nanoseconds); ondisk->mtime.nanoseconds = htonl(entry->mtime.nanoseconds);
ondisk->dev = htonl(entry->dev); ondisk->dev = htonl(entry->dev);
@ -930,7 +940,7 @@ static int write_disk_entry(git_filebuf *file, git_index_entry *entry)
ondisk->mode = htonl(entry->mode); ondisk->mode = htonl(entry->mode);
ondisk->uid = htonl(entry->uid); ondisk->uid = htonl(entry->uid);
ondisk->gid = htonl(entry->gid); ondisk->gid = htonl(entry->gid);
ondisk->file_size = htonl(entry->file_size); ondisk->file_size = htonl((uint32_t)entry->file_size);
git_oid_cpy(&ondisk->oid, &entry->oid); git_oid_cpy(&ondisk->oid, &entry->oid);