This section describes the flags which can be used on a commands
line. All these flags come in pairs.
The table below describes each of these pairs. The first word in the header of each item is the non-default flag, the second word is the default flag, and the third word is the environmental variable by which you can override the settings from the configuration files. If this environmental variable is turned on (set to 1), the non-default (first) flag is taken, if it is turned off (set to 0), the default (second) flag is taken.
disable / enable / LD_ZLIB_DISAB
disable
flag disables zlibc for the programs on this commands
line. This is useful for compression and uncompression utilities.
Without this flag, gunzip
would not work anymore, because it
would think that the uncompressed file exists already, and it would
refuse to overwrite this file.
readdir_compr / readdir_uncompr / LD_ZLIB_READDIR
.gz
extension) when the readdir_compr
flag is
set, and the compressed files otherwise.
verbose / silent / LD_ZLIB_VERBOSE
verbose
is set, zlibc prints informational messages.
unlink / no_unlink / LD_ZLIB_UNLINK
unlink
flag is set, and if the user program tries to
unlink a virtual (uncompressed) file, the package translates this call
into unlinking the real file. If the no_unlink
flag is set,
requests to unlink virtual (uncompressed) files are silently ignored.
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