New submission from Christian Heimes:
GCC 7.1 shows a bunch onf warnings related to -Wnonnull and
-Wint-in-bool-context when compiling Python 2.7:
In file included from Include/Python.h:78:0,
from Objects/listobject.c:3:
Objects/listobject.c: In function ‘list_resize’:
Include/pymem.h:110:34: warning: ‘*’ in boolean context, suggest ‘&&’ instead
[-Wint-in-bool-context]
(type *) PyMem_REALLOC((p), (n) * sizeof(type)) )
^
Include/pymem.h:77:21: note: in definition of macro ‘PyMem_REALLOC’
: realloc((p), (n) ? (n) : 1))
^
Objects/listobject.c:62:9: note: in expansion of macro ‘PyMem_RESIZE’
PyMem_RESIZE(items, PyObject *, new_allocated);
^~~~~~~~~~~~
In file included from Python/formatter_string.c:17:0:
Python/../Objects/stringlib/formatter.h: In function ‘format_float_internal’:
Python/../Objects/stringlib/formatter.h:576:9: warning: argument 2 null where
non-null expected [-Wnonnull]
memmove(buf,
^~~~~~~~~~~~
prefix,
~~~~~~~
spec->n_prefix * sizeof(STRINGLIB_CHAR));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from Include/Python.h:38:0,
from Python/formatter_string.c:6:
/usr/include/string.h:47:14: note: in a call to function ‘memmove’ declared here
extern void *memmove (void *__dest, const void *__src, size_t __n)
----------
assignee: christian.heimes
components: Build
messages: 302188
nosy: christian.heimes
priority: normal
severity: normal
stage: needs patch
status: open
title: [2.7] Fix -Wnonnull and -Wint-in-bool-context warnings
type: compile error
versions: Python 3.3
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue31474>
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