igzip: reformat using new code style

Signed-off-by: Marcel Cornu <marcel.d.cornu@intel.com>

igzip: several fixes for issues reported by static code analysis

Signed-off-by: Tomasz Kantecki <tomasz.kantecki@intel.com>

aarch64: Cleanup build issues

This patch addresses one build failure and fixes several build warnings
for Arm (some for x86 too).

- Fix dynamic relocation link failure of ld.bfd 2.30 on Arm
[log]

aarch64: Cleanup build issues

This patch addresses one build failure and fixes several build warnings
for Arm (some for x86 too).

- Fix dynamic relocation link failure of ld.bfd 2.30 on Arm
[log] relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `xor_gen_neon' which may bind externally can not be used when making a shared object

- Add arch dependent "other_tests" to exclude x86 specific tests on Arm
[log] isa-l/erasure_code/gf_2vect_dot_prod_sse_test.c:181: undefined reference to `gf_2vect_dot_prod_sse'

- Check "fread" return value to fix gcc warnings on Arm and x86
[log] warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
fread(in_buf, 1, in_size, in_file);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

- Fix issue of comparing "char" with "int" on Arm. "char" is unsigned
on Arm by default, an unsigned char will never equal to EOF(-1).
[Log] programs/igzip_cli.c:318:31: warning: comparison is always true due to limited range of data type [-Wtype-limits]
while (tmp != '\n' && tmp != EOF)
^~

- Include <stdlib.h> to several files to fix build warnings on Arm
[log] igzip/igzip_inflate_perf.c:339:5: warning: incompatible implicit declaration of built-in function ‘exit’
exit(0);
^~~~

Change-Id: I82c1b63316b634b3d398ffba2ff815679d9051a8
Signed-off-by: Yibo Cai <yibo.cai@arm.com>

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igzip: Fix 0 length file and looping errors in igzip_inflate_test

Change-Id: I328f241ba07d8a0ae4fbc4c7de2ea8913912a188
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>

igzip:use fgetpos() to replace ftell() to get file's length.

Change-Id: Ia1f3c06e92c01da9d22b3d70b2b05fe4808c9f2c
Signed-off-by: Hailiang Wang <hailiangx.e.wang@intel.com>

igzip:change the default max file size for 32-bit builds.

Change-Id: Ifab108250cfd06211843b5eccb1f1f0482669426
Signed-off-by: Hailiang Wang <hailiangx.e.wang@intel.com>

igzip: Merge inflate.h and igzip_lib.h and fix external naming

Merge inflate.h and igzip_lib.h and rename many defines to avoid conflicts,
along with general cleanup of the new header.

Signed-off-b

igzip: Merge inflate.h and igzip_lib.h and fix external naming

Merge inflate.h and igzip_lib.h and rename many defines to avoid conflicts,
along with general cleanup of the new header.

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

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igzip: Implement stateful inflate.

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

igzip: Rearrange inflate_state

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

inflate: Optimize inflate_stateless

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

igzip: Implement statelesss inflate in assembly

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>

Add data compression unit

Include fast DEFLATE compatable compression functions.

Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>