Merge tag 'pull-error-2024-04-24' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches for 2024-04-24

# -----BEGIN PGP SIGNATURE-----
#
# iQJGBAABCAAwFiEENUvIs9frKmtoZ05fOHC0AOuRh

Merge tag 'pull-error-2024-04-24' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches for 2024-04-24

# -----BEGIN PGP SIGNATURE-----
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# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 24 Apr 2024 12:52:58 AM PDT
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [undefined]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* tag 'pull-error-2024-04-24' of https://repo.or.cz/qemu/armbru:
qapi: Inline and remove QERR_PROPERTY_VALUE_BAD definition
qapi: Inline and remove QERR_MIGRATION_ACTIVE definition
qapi: Correct error message for 'vcpu_dirty_limit' parameter
qapi: Inline and remove QERR_INVALID_PARAMETER_TYPE definition
qapi: Inline QERR_INVALID_PARAMETER_TYPE definition (constant value)
qapi: Inline and remove QERR_INVALID_PARAMETER definition
qapi: Inline and remove QERR_DEVICE_NO_HOTPLUG definition
qapi: Inline and remove QERR_DEVICE_HAS_NO_MEDIUM definition
qapi: Inline and remove QERR_BUS_NO_HOTPLUG definition
error: Drop superfluous #include "qapi/qmp/qerror.h"

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

qapi: Inline and remove QERR_INVALID_PARAMETER definition

Address the comment added in commit 4629ed1e98
("qerror: Finally unused, clean up"), from 2015:

/*
* These macros will go away, please

qapi: Inline and remove QERR_INVALID_PARAMETER definition

Address the comment added in commit 4629ed1e98
("qerror: Finally unused, clean up"), from 2015:

/*
* These macros will go away, please don't use
* in new code, and do not add new ones!
*/

Mechanical transformation using:

$ sed -i -e "s/QERR_INVALID_PARAMETER,/\"Invalid parameter '%s'\",/" \
$(git grep -lw QERR_INVALID_PARAMETER)

Manually simplify qemu_opts_create(), and remove the macro definition
in include/qapi/qmp/qerror.h.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240312141343.3168265-6-armbru@redhat.com>

show more ...

Merge tag 'pull-nbd-2023-06-01-v2' of https://repo.or.cz/qemu/ericb into staging

nbd and misc patches for 2023-06-01

- Eric Blake: Fix iotest 104 for NBD
- Eric Blake: Improve qcow2 spec on padding

Merge tag 'pull-nbd-2023-06-01-v2' of https://repo.or.cz/qemu/ericb into staging

nbd and misc patches for 2023-06-01

- Eric Blake: Fix iotest 104 for NBD
- Eric Blake: Improve qcow2 spec on padding bytes
- Eric Blake: Fix read-beyond-bounds bug in qemu_strtosz

# -----BEGIN PGP SIGNATURE-----
#
# iQEzBAABCAAdFiEEccLMIrHEYCkn0vOqp6FrSiUnQ2oFAmR6JzEACgkQp6FrSiUn
# Q2oGwgf+PIaN8iedQo5KR08OEf9YxJXab7nL5Oh12+ZvrPOt8XoJcd585KblQ1YI
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# =Cg4e
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 02 Jun 2023 10:30:25 AM PDT
# gpg: using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg: aka "[jpeg image of size 6874]" [full]

* tag 'pull-nbd-2023-06-01-v2' of https://repo.or.cz/qemu/ericb: (21 commits)
cutils: Improve qemu_strtosz handling of fractions
cutils: Improve qemu_strtod* error paths
cutils: Use parse_uint in qemu_strtosz for negative rejection
cutils: Set value in all integral qemu_strto* error paths
cutils: Set value in all qemu_strtosz* error paths
test-cutils: Add more coverage to qemu_strtosz
numa: Check for qemu_strtosz_MiB error
cutils: Allow NULL str in qemu_strtosz
test-cutils: Refactor qemu_strtosz tests for less boilerplate
test-cutils: Prepare for upcoming semantic change in qemu_strtosz
test-cutils: Add coverage of qemu_strtod
cutils: Allow NULL endptr in parse_uint()
cutils: Adjust signature of parse_uint[_full]
cutils: Document differences between parse_uint and qemu_strtou64
cutils: Fix wraparound parsing in qemu_strtoui
test-cutils: Test more integer corner cases
test-cutils: Test integral qemu_strto* value on failures
test-cutils: Use g_assert_cmpuint where appropriate
test-cutils: Avoid g_assert in unit tests
qcow2: Explicit mention of padding bytes
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

cutils: Adjust signature of parse_uint[_full]

It's already confusing that we have two very similar functions for
wrapping the parse of a 64-bit unsigned value, differing mainly on
whether they permi

cutils: Adjust signature of parse_uint[_full]

It's already confusing that we have two very similar functions for
wrapping the parse of a 64-bit unsigned value, differing mainly on
whether they permit leading '-'. Adjust the signature of parse_uint()
and parse_uint_full() to be like all of qemu_strto*(): put the result
parameter last, use the same types (uint64_t and unsigned long long
have the same width, but are not always the same type), and mark
endptr const (this latter change only affects the rare caller of
parse_uint). Adjust all callers in the tree.

While at it, note that since cutils.c already includes:

QEMU_BUILD_BUG_ON(sizeof(int64_t) != sizeof(long long));

we are guaranteed that the result of parse_uint* cannot exceed
UINT64_MAX (or the build would have failed), so we can drop
pre-existing dead comparisons in opts-visitor.c that were never false.

Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Message-Id: <20230522190441.64278-8-eblake@redhat.com>
[eblake: Drop dead code spotted by Markus]
Signed-off-by: Eric Blake <eblake@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

Doc and bug fixes

# gpg: Signature made Wed 04 Nov 2020 17:01:29 GMT
# gpg: using RSA key F133385

Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

Doc and bug fixes

# gpg: Signature made Wed 04 Nov 2020 17:01:29 GMT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream:
qapi, qemu-options: make all parsing visitors parse boolean options the same
qtest: escape device name in device-introspect-test
ivshmem-test: do not use short-form boolean option
semihosting: fix order of initialization functions
fuzz: fuzz offsets within pio/mmio regions
fuzz: check the MR in the DMA callback
fuzz: fix writing DMA patterns
tests/qtest: Fix potential NULL pointer dereference in qos_build_main_args()
configure: fix gio_libs reference
meson: fix warning for bad sphinx-build
tests/qtest/libqos/ahci.c: Avoid NULL dereference in ahci_exec()
tests/qtest/libqtest.c: Check for setsockopt() failure
meson: vhost-user-gpu/virtiofsd: use absolute path
meson: use b_staticpic=false for meson >=0.56.0
qtest: add a reproducer for LP#1878642
hw/isa/lpc_ich9: Ignore reserved/invalid SCI IRQ
scripts/oss-fuzz: rename bin/qemu-fuzz-i386
exec: Remove dead code (CID 1432876)
docs: expand sourceset documentation
cutils: replace strdup with g_strdup

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

qapi, qemu-options: make all parsing visitors parse boolean options the same

OptsVisitor, StringInputVisitor and the keyval visitor have
three different ideas of how a human could write the value of

qapi, qemu-options: make all parsing visitors parse boolean options the same

OptsVisitor, StringInputVisitor and the keyval visitor have
three different ideas of how a human could write the value of
a boolean option. Pay homage to the backwards-compatibility
gods and make the new common helper accept all four sets (on/off,
true/false, y/n and yes/no), but remove case-insensitivity.

Since OptsVisitor is supposed to match qemu-options, adjust
it as well.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201103161339.447118-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2020-07-07-v2' into staging

Error reporting patches patches for 2020-07-07

# gpg: Signature made Fri 10 Jul 2020 14:24:42 BST
# gpg:

Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2020-07-07-v2' into staging

Error reporting patches patches for 2020-07-07

# gpg: Signature made Fri 10 Jul 2020 14:24:42 BST
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2020-07-07-v2: (53 commits)
xen: Use ERRP_GUARD()
nbd: Use ERRP_GUARD()
virtio-9p: Use ERRP_GUARD()
fw_cfg: Use ERRP_GUARD()
pflash: Use ERRP_GUARD()
sd: Use ERRP_GUARD()
scripts: Coccinelle script to use ERRP_GUARD()
error: New macro ERRP_GUARD()
hmp: Ignore Error objects where the return value suffices
qdev: Ignore Error objects where the return value suffices
qemu-img: Ignore Error objects where the return value suffices
error: Avoid error_propagate() after migrate_add_blocker()
qapi: Purge error_propagate() from QAPI core
qapi: Smooth visitor error checking in generated code
qapi: Smooth another visitor error checking pattern
block/parallels: Simplify parallels_open() after previous commit
error: Reduce unnecessary error propagation
error: Eliminate error_propagate() manually
error: Eliminate error_propagate() with Coccinelle, part 2
error: Eliminate error_propagate() with Coccinelle, part 1
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

qapi: Make visitor functions taking Error ** return bool, not void

See recent commit "error: Document Error API usage rules" for
rationale.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Revi

qapi: Make visitor functions taking Error ** return bool, not void

See recent commit "error: Document Error API usage rules" for
rationale.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200707160613.848843-18-armbru@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2019-09-24' into staging

QAPI patches for 2019-09-24

# gpg: Signature made Tue 24 Sep 2019 13:10:36 BST
# gpg: using RSA k

Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2019-09-24' into staging

QAPI patches for 2019-09-24

# gpg: Signature made Tue 24 Sep 2019 13:10:36 BST
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2019-09-24: (37 commits)
qapi: Assert .visit() and .check_clash() run only after .check()
qapi: Fix excessive QAPISchemaEntity.check() recursion
qapi: Fix to .check() empty structs just once
qapi: Delete useless check_exprs() code for simple union kind
qapi: Clean up around check_known_keys()
qapi: Simplify check_keys()
qapi: Normalize 'if' in check_exprs(), like other sugar
qapi: Fix missing 'if' checks in struct, union, alternate 'data'
qapi: Reject blank 'if' conditions in addition to empty ones
qapi: Fix broken discriminator error messages
qapi: Remove null from schema language
qapi: Improve reporting of lexical errors
qapi: Use quotes more consistently in frontend error messages
tests/qapi-schema: Demonstrate suboptimal lexical errors
tests/qapi-schema: Demonstrate insufficient 'if' checking
tests/qapi-schema: Demonstrate broken discriminator errors
tests/qapi-schema: Demonstrate misleading optional tag error
tests/qapi-schema: Delete two redundant tests
tests/qapi-schema: Cover unknown pragma
qapi: Tweak code to match docs/devel/qapi-code-gen.txt
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

make check-unit: use after free in test-opts-visitor

In the struct OptsVisitor, the 'repeated_opts' member points to a list
in the 'unprocessed_opts' hash table after the list has been destroyed.
A

make check-unit: use after free in test-opts-visitor

In the struct OptsVisitor, the 'repeated_opts' member points to a list
in the 'unprocessed_opts' hash table after the list has been destroyed.
A subsequent call to visit_type_int() references the deleted list.
It results in use-after-free issue reproduced by running the test case
under the Valgrind: valgrind tests/test-opts-visitor.
A new mode ListMode::LM_TRAVERSED is declared to mark the list
traversal completed.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <1565024586-387112-1-git-send-email-andrey.shinkevich@virtuozzo.com>

show more ...

Merge remote-tracking branch 'clg/aspeed'

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

Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-03-22-v3' into staging

QAPI patches for 2017-03-22

# gpg: Signature made Wed 22 Mar 2017 18:25:15 GMT
# gpg: using RS

Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-03-22-v3' into staging

QAPI patches for 2017-03-22

# gpg: Signature made Wed 22 Mar 2017 18:25:15 GMT
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2017-03-22-v3:
qapi: Fix QemuOpts visitor regression on unvisited input
qom: Avoid unvisited 'id'/'qom-type' in user_creatable_add_opts
tests: Expose regression in QemuOpts visitor
test-qobject-input-visitor: Cover visit_type_uint64()
Revert "hostmem: fix QEMU crash by 'info memdev'"
qapi: Fix string input visitor regression for empty lists
qapi2texi: Fix translation of *strong* and _emphasized_
tests/qapi-schema: Systematic positive doc comment tests
tests/qapi-schema: Make test-qapi.py print docs again
qapi: Drop unused QAPIDoc member optional
qapi2texi: Fix to actually fail when 'doc-required' is false
qapi: Drop excessive Make dependencies on qapi2texi.py
MAINTAINERS: Add myself for files I touched recently
keyval: Document issues with 'any' and alternate types
test-keyval: Cover alternate and 'any' type
keyval: Improve some comments
test-keyval: Tweaks to improve list coverage

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

qapi: Fix QemuOpts visitor regression on unvisited input

An off-by-one in commit 15c2f669e meant that we were failing to
check for unparsed input in all QemuOpts visitors. Recent testsuite
addition

qapi: Fix QemuOpts visitor regression on unvisited input

An off-by-one in commit 15c2f669e meant that we were failing to
check for unparsed input in all QemuOpts visitors. Recent testsuite
additions show that fixing the obvious bug with bogus fields will
also fix the case of an incomplete list visit; update the tests to
match the new behavior.

Simple testcase:

./x86_64-softmmu/qemu-system-x86_64 -nodefaults -nographic -qmp stdio -numa node,size=1g

failed to diagnose that 'size' is not a valid argument to -numa, and
now once again reports:

qemu-system-x86_64: -numa node,size=1g: Invalid parameter 'size'

See also https://bugzilla.redhat.com/show_bug.cgi?id=1434666

CC: qemu-stable@nongnu.org
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20170322144525.18964-4-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-02-28' into staging

QAPI patches for 2017-02-28

# gpg: Signature made Sun 05 Mar 2017 08:21:51 GMT
# gpg: using RSA k

Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-02-28' into staging

QAPI patches for 2017-02-28

# gpg: Signature made Sun 05 Mar 2017 08:21:51 GMT
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2017-02-28: (27 commits)
qapi: Improve qobject visitor documentation
qapi: Fix object input visit beyond end of list
tests: Cover input visit beyond end of list
qapi: Make input visitors detect unvisited list tails
test-qobject-input-visitor: Cover missing nested struct member
tests: Cover partial input visit of list
test-string-input-visitor: Improve list coverage
test-string-input-visitor: Tear down existing test automatically
tests-qobject-input-strict: Merge into test-qobject-input-visitor
qapi: Drop unused non-strict qobject input visitor
test-qobject-input-visitor: Use strict visitor
qom: Make object_property_set_qobject()'s input visitor strict
qapi: Make string input and opts visitor require non-null input
qapi: Drop string input visitor method optional()
qapi: Improve qobject input visitor error reporting
qapi: Make QObject input visitor set *list reliably
qapi: Clean up after commit 3d344c2
qapi: Improve a QObject input visitor error message
qmp: Eliminate silly QERR_QMP_* macros
qmp: Drop duplicated QMP command object checks
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

qapi: Make input visitors detect unvisited list tails

Fix the design flaw demonstrated in the previous commit: new method
check_list() lets input visitors report that unvisited input remains
for a l

qapi: Make input visitors detect unvisited list tails

Fix the design flaw demonstrated in the previous commit: new method
check_list() lets input visitors report that unvisited input remains
for a list, exactly like check_struct() lets them report that
unvisited input remains for a struct or union.

Implement the method for the qobject input visitor (straightforward),
and the string input visitor (less so, due to the magic list syntax
there). The opts visitor's list magic is even more impenetrable, and
all I can do there today is a stub with a FIXME comment. No worse
than before.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1488544368-30622-26-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

show more ...

qapi: Make string input and opts visitor require non-null input

The string input visitor tries to cope with null input. Null input
isn't used anywhere, and isn't covered by tests. Unsurprisingly,

qapi: Make string input and opts visitor require non-null input

The string input visitor tries to cope with null input. Null input
isn't used anywhere, and isn't covered by tests. Unsurprisingly, it
doesn't fully work: start_list() crashes because it passes the input
via parse_str() to strtoll() unchecked.

Make string_input_visitor_new() assert its argument isn't null, and
drop the code trying to deal with null input.

The opts visitor crashes when you try to actually visit something with
null input. Make opts_visitor_new() assert its argument isn't null,
mostly for clarity.

qobject_input_visitor_new() already asserts its argument isn't null.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1488544368-30622-17-git-send-email-armbru@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/armbru/tags/pull-util-2017-02-23' into staging

option cutils: Fix and clean up number conversions

# gpg: Signature made Thu 23 Feb 2017 19:41:17 GMT
# gpg:

Merge remote-tracking branch 'remotes/armbru/tags/pull-util-2017-02-23' into staging

option cutils: Fix and clean up number conversions

# gpg: Signature made Thu 23 Feb 2017 19:41:17 GMT
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-util-2017-02-23: (24 commits)
option: Fix checking of sizes for overflow and trailing crap
util/cutils: Change qemu_strtosz*() from int64_t to uint64_t
util/cutils: Return qemu_strtosz*() error and value separately
util/cutils: Let qemu_strtosz*() optionally reject trailing crap
qemu-img: Wrap cvtnum() around qemu_strtosz()
test-cutils: Drop suffix from test_qemu_strtosz_simple()
test-cutils: Use qemu_strtosz() more often
util/cutils: Drop QEMU_STRTOSZ_DEFSUFFIX_* macros
util/cutils: New qemu_strtosz()
util/cutils: Rename qemu_strtosz() to qemu_strtosz_MiB()
util/cutils: New qemu_strtosz_metric()
test-cutils: Cover qemu_strtosz() around range limits
test-cutils: Cover qemu_strtosz() with trailing crap
test-cutils: Cover qemu_strtosz() invalid input
test-cutils: Add missing qemu_strtosz()... endptr checks
option: Fix to reject invalid and overflowing numbers
util/cutils: Clean up control flow around qemu_strtol() a bit
util/cutils: Clean up variable names around qemu_strtol()
util/cutils: Rename qemu_strtoll(), qemu_strtoull()
util/cutils: Rewrite documentation of qemu_strtol() & friends
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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util/cutils: Change qemu_strtosz*() from int64_t to uint64_t

This will permit its use in parse_option_size().

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.c

util/cutils: Change qemu_strtosz*() from int64_t to uint64_t

This will permit its use in parse_option_size().

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com> (maintainer:X86)
Cc: Kevin Wolf <kwolf@redhat.com> (supporter:Block layer core)
Cc: Max Reitz <mreitz@redhat.com> (supporter:Block layer core)
Cc: qemu-block@nongnu.org (open list:Block layer core)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <1487708048-2131-24-git-send-email-armbru@redhat.com>

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util/cutils: Return qemu_strtosz*() error and value separately

This makes qemu_strtosz(), qemu_strtosz_mebi() and
qemu_strtosz_metric() similar to qemu_strtoi64(), except negative
values are rejecte

util/cutils: Return qemu_strtosz*() error and value separately

This makes qemu_strtosz(), qemu_strtosz_mebi() and
qemu_strtosz_metric() similar to qemu_strtoi64(), except negative
values are rejected.

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com> (maintainer:X86)
Cc: Kevin Wolf <kwolf@redhat.com> (supporter:Block layer core)
Cc: Max Reitz <mreitz@redhat.com> (supporter:Block layer core)
Cc: qemu-block@nongnu.org (open list:Block layer core)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <1487708048-2131-23-git-send-email-armbru@redhat.com>

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util/cutils: Let qemu_strtosz*() optionally reject trailing crap

Change the qemu_strtosz() & friends to return -EINVAL when @endptr is
null and the conversion doesn't consume the string completely.

util/cutils: Let qemu_strtosz*() optionally reject trailing crap

Change the qemu_strtosz() & friends to return -EINVAL when @endptr is
null and the conversion doesn't consume the string completely.
Matches how qemu_strtol() & friends work.

Only test_qemu_strtosz_simple() passes a null @endptr. No functional
change there, because its conversion consumes the string.

Simplify callers that use @endptr only to fail when it doesn't point
to '\0' to pass a null @endptr instead.

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com> (maintainer:X86)
Cc: Kevin Wolf <kwolf@redhat.com> (supporter:Block layer core)
Cc: Max Reitz <mreitz@redhat.com> (supporter:Block layer core)
Cc: qemu-block@nongnu.org (open list:Block layer core)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <1487708048-2131-22-git-send-email-armbru@redhat.com>

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util/cutils: New qemu_strtosz()

Most callers of qemu_strtosz_suffix() pass QEMU_STRTOSZ_DEFSUFFIX_B.
Capture the pattern in new qemu_strtosz().

Inline qemu_strtosz_suffix() into its only remaining

util/cutils: New qemu_strtosz()

Most callers of qemu_strtosz_suffix() pass QEMU_STRTOSZ_DEFSUFFIX_B.
Capture the pattern in new qemu_strtosz().

Inline qemu_strtosz_suffix() into its only remaining caller.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1487708048-2131-17-git-send-email-armbru@redhat.com>

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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2016-07-06' into staging

QAPI patches for 2016-07-06

# gpg: Signature made Wed 06 Jul 2016 10:00:51 BST
# gpg: using RSA k

Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2016-07-06' into staging

QAPI patches for 2016-07-06

# gpg: Signature made Wed 06 Jul 2016 10:00:51 BST
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2016-07-06:
replay: Use new QAPI cloning
sockets: Use new QAPI cloning
qapi: Add new clone visitor
qapi: Add new visit_complete() function
tests: Factor out common code in qapi output tests
tests: Clean up test-string-output-visitor
qmp-output-visitor: Favor new visit_free() function
string-output-visitor: Favor new visit_free() function
qmp-input-visitor: Favor new visit_free() function
string-input-visitor: Favor new visit_free() function
opts-visitor: Favor new visit_free() function
qapi: Add new visit_free() function
qapi: Add parameter to visit_end_*
qemu-img: Don't leak errors when outputting JSON
qapi: Improve use of qmp/types.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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opts-visitor: Favor new visit_free() function

Now that we have a polymorphic visit_free(), we no longer need
opts_visitor_cleanup(); which in turn means we no longer need
to return a subtype from op

opts-visitor: Favor new visit_free() function

Now that we have a polymorphic visit_free(), we no longer need
opts_visitor_cleanup(); which in turn means we no longer need
to return a subtype from opts_visitor_new() nor a public upcast
function.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-6-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

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qapi: Add new visit_free() function

Making each visitor provide its own (awkwardly-named) FOO_cleanup()
is unusual, when we can instead have a polymorphic visit_free()
interface. Over the next few

qapi: Add new visit_free() function

Making each visitor provide its own (awkwardly-named) FOO_cleanup()
is unusual, when we can instead have a polymorphic visit_free()
interface. Over the next few patches, we can use the polymorphic
functions to eliminate the need for a FOO_get_visitor() function
for accessing specific visitor functionality, once everything can
be accessed directly through the Visitor* interfaces.

The dealloc visitor is the first one converted to completely use
the new entry point, since qapi_dealloc_visitor_cleanup() was the
only reason that qapi_dealloc_get_visitor() existed, and only
generated and testsuite code was even using it. With the new
visit_free() entry point in place, we no longer need to expose
the QapiDeallocVisitor subtype through qapi_dealloc_visitor_new(),
and can get by with less generated code, with diffs that look like:

| void qapi_free_ACPIOSTInfo(ACPIOSTInfo *obj)
| {
|- QapiDeallocVisitor *qdv;
| Visitor *v;
|
| if (!obj) {
| return;
| }
|
|- qdv = qapi_dealloc_visitor_new();
|- v = qapi_dealloc_get_visitor(qdv);
|+ v = qapi_dealloc_visitor_new();
| visit_type_ACPIOSTInfo(v, NULL, &obj, NULL);
|- qapi_dealloc_visitor_cleanup(qdv);
|+ visit_free(v);
|}

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-5-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

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qapi: Add parameter to visit_end_*

Rather than making the dealloc visitor track of stack of pointers
remembered during visit_start_* in order to free them during
visit_end_*, it's a lot easier to ju

qapi: Add parameter to visit_end_*

Rather than making the dealloc visitor track of stack of pointers
remembered during visit_start_* in order to free them during
visit_end_*, it's a lot easier to just make all callers pass the
same pointer to visit_end_*. The generated code has access to the
same pointer, while all other users are doing virtual walks and
can pass NULL. The dealloc visitor is then greatly simplified.

All three visit_end_*() functions intentionally take a void**,
even though the visit_start_*() functions differ between void**,
GenericList**, and GenericAlternate**. This is done for several
reasons: when doing a virtual walk, passing NULL doesn't care
what the type is, but when doing a generated walk, we already
have to cast the caller's specific FOO* to call visit_start,
while using void** lets us use visit_end without a cast. Also,
an upcoming patch will add a clone visitor that wants to use
the same implementation for all three visit_end callbacks,
which is made easier if all three share the same signature.

For visitors with already track per-object state (the QMP visitors
via a stack, and the string visitors which do not allow nesting),
add an assertion that the caller is indeed passing the same
pointer to paired calls.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-4-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

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