// SPDX-License-Identifier: GPL-2.0-only////// Zero-length and one-element arrays are deprecated, see/// Documentation/process/deprecated.rst/// Flexible-array members should be used instead./////// Confidence: High// Copyright: (C) 2020 Denis Efremov ISPRAS.// Comments:// Options: --no-includes --include-headersvirtual contextvirtual reportvirtual orgvirtual patch@initialize:python@@@def relevant(positions): for p in positions: if "uapi" in p.file: return False return True@r depends on !patch@identifier name, array;type T;position p : script:python() { relevant(p) };@@( struct name { ...* T array@p[\(0\|1\)]; };| struct { ...* T array@p[\(0\|1\)]; };| union name { ...* T array@p[\(0\|1\)]; };| union { ...* T array@p[\(0\|1\)]; };)@only_field depends on patch@identifier name, array;type T;position q;@@( struct name {@q T array[0]; };| struct {@q T array[0]; };)@depends on patch@identifier name, array;type T;position p : script:python() { relevant(p) };// position @q with rule "only_field" simplifies// handling of bitfields, arrays, etc.position q != only_field.q;@@( struct name {@q ... T array@p[- 0 ]; };| struct {@q ... T array@p[- 0 ]; };)@script: python depends on report@p << r.p;@@msg = "WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)"coccilib.report.print_report(p[0], msg)@script: python depends on org@p << r.p;@@msg = "WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)"coccilib.org.print_todo(p[0], msg)
// SPDX-License-Identifier: GPL-2.0-only
///
/// Zero-length and one-element arrays are deprecated, see
/// Documentation/process/deprecated.rst
/// Flexible-array members should be used instead.
///
//
// Confidence: High
// Copyright: (C) 2020 Denis Efremov ISPRAS.
// Comments:
// Options: --no-includes --include-headers
virtual context
virtual report
virtual org
virtual patch
@initialize:python@
@@
def relevant(positions):
for p in positions:
if "uapi" in p.file:
return False
return True
@r depends on !patch@
identifier name, array;
type T;
position p : script:python() { relevant(p) };
@@
(
struct name {
...
* T array@p[\(0\|1\)];
};
|
struct {
...
* T array@p[\(0\|1\)];
};
|
union name {
...
* T array@p[\(0\|1\)];
};
|
union {
...
* T array@p[\(0\|1\)];
};
)
@only_field depends on patch@
identifier name, array;
type T;
position q;
@@
(
struct name {@q
T array[0];
};
|
struct {@q
T array[0];
};
)
@depends on patch@
identifier name, array;
type T;
position p : script:python() { relevant(p) };
// position @q with rule "only_field" simplifies
// handling of bitfields, arrays, etc.
position q != only_field.q;
@@
(
struct name {@q
...
T array@p[
- 0
];
};
|
struct {@q
...
T array@p[
- 0
];
};
)
@script: python depends on report@
p << r.p;
@@
msg = "WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)"
coccilib.report.print_report(p[0], msg)
@script: python depends on org@
p << r.p;
@@
msg = "WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)"
coccilib.org.print_todo(p[0], msg)