strings: extends rights

The libelf is using mmap if it can, if not it was fall backing to read.

Reported by: markj

strings: fix entering to the capability mode

Reported by: markj

cap_fileargs: chase r346315, update fileargs_init in consumers

Reported by: ci.freebsd.org (8 times so far)
MFC after: 3 weeks
MFC with: r346315
Sponsored by: The FreeBSD Foundation

strings: capsicumize it

Reviewed by: cem
Discussed with: emaste
Differential Revision: https://reviews.freebsd.org/D18038

strings: return an error code and the char value separately

If we returning 32 bits value it's hard to distinguish if the returned value
is a valid one or if its an error (in case of EOF). For that

strings: return an error code and the char value separately

If we returning 32 bits value it's hard to distinguish if the returned value
is a valid one or if its an error (in case of EOF). For that reason separate
exit code of the function from the returned character.

Reported by: cem, se

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In case of ENCODING_8BIT the EOF code will be pass to putchar.
EOF check should be done before (uint8_t)c > 127 test.

Reported by: cem

Fix powerpc and arm builds after r345361.

Reported by: jenkins

strings: do not continue if getc or getcharacter returns EOF

Reported by: cem

strings: do not depend on stdin

Instead of depending on one stdin FILE structure and use freopen(3), pass to
the functions appropriate FILE structure.

Reviewed by: cem
Discussed with: emaste
Differ

strings: do not depend on stdin

Instead of depending on one stdin FILE structure and use freopen(3), pass to
the functions appropriate FILE structure.

Reviewed by: cem
Discussed with: emaste
Differential Revision: https://reviews.freebsd.org/D18037

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strings: unbreak the build after r340746

Discussed with: oshogbo
Sponsored by: The FreeBSD Foundation

strings: fix style nits

Reviewed by: cem, emaste, Joseph Koshy <[email protected]>
Differential Revision: https://reviews.freebsd.org/D18036

Revert r340385, strings capability mode

This needs to be reworked for bootstrapping.

strings: enter capability mode when operating on stdin

Reviewed by: oshogbo
MFC after: 1 month
Sponsored by: The FreeBSD Foundation

strings: avoid unnecessary trip through handle_file for stdin

Sponsored by: The FreeBSD Foundation

strings: fix exit status if a file before the last one fails

Previously a command like "strings f1 f2 f3" reported the exit status
based only on processing the last file.

As with GNU strings, repor

strings: fix exit status if a file before the last one fails

Previously a command like "strings f1 f2 f3" reported the exit status
based only on processing the last file.

As with GNU strings, report an error exit status if an error was
encountered processing any of the files. While here simplify the
exit status handling to just success (0) / failure (1).

Reviewed by: brooks
MFC after: 1 month
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D8334

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Fix elftoolchain tools in-tree build

* make variables static
* add header for uint*_t typedefs