resolve stricter warnings

In order to convert this repository to Meson, we need to make it
compile under `warning_level=3`. Fix a number of warning classes
across the repository or disable them.

S

resolve stricter warnings

In order to convert this repository to Meson, we need to make it
compile under `warning_level=3`. Fix a number of warning classes
across the repository or disable them.

Some fixes are:

* Add missing header files.
* Fully initialize structs as necessary.
* Add `__attribute__((unused))` on parameters as necessary.
* Fix comparisons between signed and unsigned.
* Fix printf specifiers as necessary.
* Avoid case-fallthrough.
* Remove if conditions which are always true.

Some warnings would require extensive code changes, due to their
pervasive use, and so are disabled at a per-file level:
* `-Wpointer-arith`
* `-Wunused-result`

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: If8992b9108f12b39f796ed090ba29868c9f3c627

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misc: Replace license blurb with kernel-style SPDX markers

This was roughly achieved by the following shell script:

$ git ls-files |
grep '\.[ch]p*$' |
while read F; do EXT=${F##*.}; cat spdx.$EX

misc: Replace license blurb with kernel-style SPDX markers

This was roughly achieved by the following shell script:

$ git ls-files |
grep '\.[ch]p*$' |
while read F; do EXT=${F##*.}; cat spdx.$EXT <(sed '/^\/\*$/,/^ \*\/$/d' $F) > ${F}.tmp; mv ${F}.tmp $F; done

With the following context:

$ cat spdx.c
// SPDX-License-Identifier: Apache-2.0
// Copyright (C) 2018 IBM Corp.
$ cat spdx.h
/* SPDX-License-Identifier: Apache-2.0 */
/* Copyright (C) 2018 IBM Corp. */
$ ls -l spdx.*
-rw-r--r-- 1 andrew andrew 71 Feb 27 12:02 spdx.c
lrwxrwxrwx 1 andrew andrew 6 Feb 27 12:02 spdx.cpp -> spdx.c
-rw-r--r-- 1 andrew andrew 77 Feb 27 12:02 spdx.h
lrwxrwxrwx 1 andrew andrew 6 Feb 27 12:02 spdx.hpp -> spdx.h

The `sed` invocation catches a lot of function documentation, so the
hunks were manually added to avoid removing information that we want to
keep.

Change-Id: I63e49ca2593aa0db0568c7a63bfdead388642e76
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>

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test: Update tmpf to store data in /tmp, reformat names

Cleans up residuals from failed tests in the source tree by moving them
to /tmp. Some were annoying to remove with prefixes like 'mbox', so
ch

test: Update tmpf to store data in /tmp, reformat names

Cleans up residuals from failed tests in the source tree by moving them
to /tmp. Some were annoying to remove with prefixes like 'mbox', so
change the pattern as well to include '-store'.

Change-Id: I674664a372e7e15ec4c3cd93d33318c4135f33ba
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>

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test: Add temporary file helper

Change-Id: Ib102d87232f897ef4c5e7267a56892d22f368f7f
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>