Return to ar.5 CVS log

Up to [Research Unix] / researchv10dc / dist / man / v3 / man5

Annotation of researchv10dc/dist/man/v3/man5/ar.5, revision 1.1.1.1

1.1       root        1: .pa 1
                      2: .he 'ARCHIVE (V)'3/15/72'ARCHIVE (V)'
                      3: .ti 0
                      4: NAME           archive (library) file format
                      5: .sp
                      6: .ti 0
                      7: DESCRIPTION    The
                      8: archive command ar__ is used to combine several files into
                      9: one.
                     10: Archives are used mainly as libraries to be searched
                     11: by the link-editor ld__.
                     12: 
                     13: A file produced by ar__
                     14: has a "magic number" at the start,
                     15: followed by the constituent files, each preceded by a file header.
                     16: The magic number is
                     17: 177555(8)
                     18: (it was chosen to be unlikely to occur anywhere else).
                     19: The header of each file is 16 bytes long:
                     20: 
                     21: .in +5
                     22: .ti -3
                     23: 0-7
                     24: .br
                     25: file name, null padded on the right
                     26: 
                     27: .ti -3
                     28: 8-11
                     29: .br
                     30: Modification time of the file
                     31: 
                     32: .ti -3
                     33: 12
                     34: .br
                     35: User ID of file owner
                     36: 
                     37: .ti -3
                     38: 13
                     39: .br
                     40: file mode
                     41: 
                     42: .ti -3
                     43: 14-15
                     44: .br
                     45: file size
                     46: 
                     47: .in -5
                     48: If the file is an odd number of bytes long, it is padded
                     49: with a null byte, but the size in the header is correct.
                     50: 
                     51: Notice there is no provision for empty areas in an archive
                     52: file.
                     53: .sp
                     54: .ti 0
                     55: SEE ALSO       ar__, ld__

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.