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cext: stop worrying and love the free(NULL)...
cext: stop worrying and love the free(NULL) There is no need to check for a NULL pointer before calling free since free(NULL) is defined by C standards as a no-op. Lots of software relies on this behavior so it is completely safe to call even on the most obscure of systems.
Josef 'Jeff' Sipek -
r38320:d9e87566 stable
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Mercurial

Mercurial is a fast, easy to use, distributed revision control tool for software developers.

Basic install:

$ make            # see install targets
$ make install    # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg              # see help

Running without installing:

$ make local      # build for inplace usage
$ ./hg --version  # should show the latest version

See https://mercurial-scm.org/ for detailed installation instructions, platform-specific notes, and Mercurial user information.