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* glob.c (glob_wrap): When converting the glob array to the
returned list, suppress consecutive duplicates. This has to be
done separately for each call to glob or super_glob, so we now
interleave the production of the output list with the glob
calls. It has to be done separately because there can be
duplicates between different patterns. E.g. if (glob "?")
matches one path then (glob '("?" "?")) must return two copies
of it. Furthermore, the brace expansion implementation in
glob* produces multiple glob calls and appends their results.
Duplicates inside a single super_glob call result when there
are multiple ** (double star) patterns present, which are
matched by the same path in more than one way. If the results
are sorted, then the duplicates appear consecutively and we
will squash them. Also, a memory leak is fixed here: we
must free(pat_u8) unconditionally, before testing for the
early exit situation.
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* glob.c (glob_wrap): #ifdef GLOB_BRACE around code that removes
the flag.
(super_glob_find_inner): Initialize pst. The older compiler I'm
using on Solaris 10. isn't smart enough to figure out that it
is not used uninitialized.
* tests/018/glob.t: Skip the ...\/** test on Solaris. It
takes a long time, and produces nil in the end. We don't
care how it behaves, only that we pass through that
pattern to glob without interpreting it as a double star.
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* tests/018/glob.tl: exit successfully on Cygwin.
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* glob.c (glob_path_cmp): Compare bytes as unsigned.
After the loop, don't test whether the pointer are null;
they never are. Test whether they point to null.
* tests/018/glob.tl: Expected data replaced.
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* glob.c (super_glob_rec): Do not recognize a trailing /**
if it is preceded by a backslash.
* tests/018/glob.tl: Test case added.
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The glob* function supports brace expansion, the **
pattern for matching zero or more path components,
as well as a sane sort for path names.
glob* relies on brace expansion written in Lisp;
the ** processing and sorting is done by a glob-compatible
C function called super_glob that uses glob.
* autoload.c (glob_set_entries, glob_instantiate): New static
functions.
(autoload_init): Register autoload of stdlib/glob module.
* glob.c (GLOB_XNOBRACE, GLOB_XSTAR): New macros.
(glob_wrap): Call super_glob instead of glob if GLOB_XSTAR
is present in flags. Avoid passing extension flags to glob.
(super_glob_find_inner, super_glob_rec, glob_path_cmp,
glob_str_cmp, super_glob): New static functions.
(glob_init): Register sys:glob-xstar, and glob-xnobrace.
sys:glob-xstar is used by glob* to request support for
the ** pattern from glob.
* stdlib/glob.tl: New file.
* tests/018/glob.tl: New file.
* txr.1: Documented.
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