mirror of https://github.com/python/cpython
replace usage of Py_VA_COPY with the (C99) standard va_copy
This commit is contained in:
Benjamin Peterson
parent
ec2319c46d
commit
0c21214f3e
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@ -723,15 +723,7 @@ extern pid_t forkpty(int *, char *, struct termios *, struct winsize *);
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#define Py_ULL(x) Py_LL(x##U)
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#endif
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#ifdef VA_LIST_IS_ARRAY
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#define Py_VA_COPY(x, y) memcpy((x), (y), sizeof(va_list))
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#else
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#ifdef __va_copy
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#define Py_VA_COPY __va_copy
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#else
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#define Py_VA_COPY(x, y) (x) = (y)
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#endif
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#endif
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#define Py_VA_COPY va_copy
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/*
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* Convenient macros to deal with endianness of the platform. WORDS_BIGENDIAN is
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@ -2683,7 +2683,7 @@ objargs_mkstack(PyObject **small_stack, Py_ssize_t small_stack_size,
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PyObject **stack;
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/* Count the number of arguments */
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Py_VA_COPY(countva, va);
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va_copy(countva, va);
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n = 0;
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while (1) {
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@ -2874,9 +2874,8 @@ PyUnicode_FromFormatV(const char *format, va_list vargs)
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writer.min_length = strlen(format) + 100;
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writer.overallocate = 1;
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/* va_list may be an array (of 1 item) on some platforms (ex: AMD64).
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Copy it to be able to pass a reference to a subfunction. */
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Py_VA_COPY(vargs2, vargs);
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// Copy varags to be able to pass a reference to a subfunction.
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va_copy(vargs2, vargs);
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for (f = format; *f; ) {
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if (*f == '%') {
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@ -142,7 +142,7 @@ PyArg_VaParse(PyObject *args, const char *format, va_list va)
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{
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va_list lva;
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Py_VA_COPY(lva, va);
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va_copy(lva, va);
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return vgetargs1(args, format, &lva, 0);
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}
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@ -152,7 +152,7 @@ _PyArg_VaParse_SizeT(PyObject *args, const char *format, va_list va)
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{
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va_list lva;
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Py_VA_COPY(lva, va);
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va_copy(lva, va);
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return vgetargs1(args, format, &lva, FLAG_SIZE_T);
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}
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@ -1402,7 +1402,7 @@ PyArg_VaParseTupleAndKeywords(PyObject *args,
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return 0;
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}
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Py_VA_COPY(lva, va);
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va_copy(lva, va);
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retval = vgetargskeywords(args, keywords, format, kwlist, &lva, 0);
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return retval;
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@ -1426,7 +1426,7 @@ _PyArg_VaParseTupleAndKeywords_SizeT(PyObject *args,
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return 0;
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}
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Py_VA_COPY(lva, va);
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va_copy(lva, va);
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retval = vgetargskeywords(args, keywords, format,
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kwlist, &lva, FLAG_SIZE_T);
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@ -1531,7 +1531,7 @@ _PyArg_VaParseTupleAndKeywordsFast(PyObject *args, PyObject *keywords,
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return 0;
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}
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Py_VA_COPY(lva, va);
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va_copy(lva, va);
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retval = vgetargskeywordsfast(args, keywords, parser, &lva, 0);
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return retval;
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@ -1552,7 +1552,7 @@ _PyArg_VaParseTupleAndKeywordsFast_SizeT(PyObject *args, PyObject *keywords,
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return 0;
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}
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Py_VA_COPY(lva, va);
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va_copy(lva, va);
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retval = vgetargskeywordsfast(args, keywords, parser, &lva, FLAG_SIZE_T);
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return retval;
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@ -468,7 +468,7 @@ va_build_value(const char *format, va_list va, int flags)
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int n = countformat(f, '\0');
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va_list lva;
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Py_VA_COPY(lva, va);
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va_copy(lva, va);
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if (n < 0)
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return NULL;
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@ -13539,40 +13539,6 @@ $as_echo "no" >&6; }
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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va_list_is_array=no
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether va_list is an array" >&5
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$as_echo_n "checking whether va_list is an array... " >&6; }
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#ifdef HAVE_STDARG_PROTOTYPES
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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int
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main ()
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{
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va_list list1, list2; list1 = list2;
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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else
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$as_echo "#define VA_LIST_IS_ARRAY 1" >>confdefs.h
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va_list_is_array=yes
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $va_list_is_array" >&5
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$as_echo "$va_list_is_array" >&6; }
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# sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
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14
configure.ac
14
configure.ac
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@ -4038,20 +4038,6 @@ x.sa_len = 0;]])],
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[AC_MSG_RESULT(no)]
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)
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va_list_is_array=no
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AC_MSG_CHECKING(whether va_list is an array)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#ifdef HAVE_STDARG_PROTOTYPES
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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]], [[va_list list1, list2; list1 = list2;]])],[],[
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AC_DEFINE(VA_LIST_IS_ARRAY, 1, [Define if a va_list is an array of some kind])
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va_list_is_array=yes
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])
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AC_MSG_RESULT($va_list_is_array)
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# sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
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AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
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[Define this if you have some version of gethostbyname_r()])
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@ -1361,9 +1361,6 @@
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#endif
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/* Define if a va_list is an array of some kind */
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#undef VA_LIST_IS_ARRAY
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/* Define if you want SIGFPE handled (see Include/pyfpe.h). */
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#undef WANT_SIGFPE_HANDLER
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