Changeset 00c2de63 in mainline for tools/mkfat.py


Ignore:
Timestamp:
2011-07-29T14:50:22Z (13 years ago)
Author:
Jiří Zárevúcky <zarevucky.jiri@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
b6759f4
Parents:
6c69d19 (diff), 7ae249d (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge libposix.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • tools/mkfat.py

    r6c69d19 r00c2de63  
    3737import xstruct
    3838import array
    39 
    40 exclude_names = set(['.svn', '.bzr'])
    41 
    42 def align_up(size, alignment):
    43         "Return size aligned up to alignment"
    44        
    45         if (size % alignment == 0):
    46                 return size
    47        
    48         return ((size // alignment) + 1) * alignment
     39from imgutil import *
    4940
    5041def subtree_size(root, cluster_size, dirent_size):
     
    5445        files = 2
    5546       
    56         for name in os.listdir(root):
    57                 canon = os.path.join(root, name)
    58                
    59                 if (os.path.isfile(canon) and (not name in exclude_names)):
    60                         size += align_up(os.path.getsize(canon), cluster_size)
     47        for item in listdir_items(root):
     48                if item.is_file:
     49                        size += align_up(item.size, cluster_size)
    6150                        files += 1
    62                
    63                 if (os.path.isdir(canon) and (not name in exclude_names)):
    64                         size += subtree_size(canon, cluster_size, dirent_size)
     51                elif item.is_dir:
     52                        size += subtree_size(item.path, cluster_size, dirent_size)
    6553                        files += 1
    6654       
     
    7260        return len(os.listdir(root))
    7361
    74 def write_file(path, outf, cluster_size, data_start, fat, reserved_clusters):
     62def write_file(item, outf, cluster_size, data_start, fat, reserved_clusters):
    7563        "Store the contents of a file"
    7664       
    77         size = os.path.getsize(path)
    7865        prev = -1
    7966        first = 0
    8067       
    81         inf = open(path, "rb")
    82         rd = 0;
    83         while (rd < size):
     68        for data in chunks(item, cluster_size):
    8469                empty_cluster = fat.index(0)
    8570                fat[empty_cluster] = 0xffff
     
    9277                prev = empty_cluster
    9378               
    94                 data = bytes(inf.read(cluster_size));
    9579                outf.seek(data_start + (empty_cluster - reserved_clusters) * cluster_size)
    9680                outf.write(data)
    97                 rd += len(data)
    98         inf.close()
    99        
    100         return first, size
     81       
     82        return first, item.size
    10183
    10284def write_directory(directory, outf, cluster_size, data_start, fat, reserved_clusters, dirent_size, empty_cluster):
     
    303285                empty_cluster = 0
    304286       
    305         for name in os.listdir(root):
    306                 canon = os.path.join(root, name)
    307                
    308                 if (os.path.isfile(canon) and (not name in exclude_names)):
    309                         rv = write_file(canon, outf, cluster_size, data_start, fat, reserved_clusters)
    310                         directory.append(create_dirent(name, False, rv[0], rv[1]))
    311                
    312                 if (os.path.isdir(canon) and (not name in exclude_names)):
    313                         rv = recursion(False, canon, outf, cluster_size, root_start, data_start, fat, reserved_clusters, dirent_size, empty_cluster)
    314                         directory.append(create_dirent(name, True, rv[0], rv[1]))
     287        for item in listdir_items(root):               
     288                if item.is_file:
     289                        rv = write_file(item, outf, cluster_size, data_start, fat, reserved_clusters)
     290                        directory.append(create_dirent(item.name, False, rv[0], rv[1]))
     291                elif item.is_dir:
     292                        rv = recursion(False, item.path, outf, cluster_size, root_start, data_start, fat, reserved_clusters, dirent_size, empty_cluster)
     293                        directory.append(create_dirent(item.name, True, rv[0], rv[1]))
    315294       
    316295        if (head):
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