gh-110079: Remove extern "C" { ...} in C code (#110080)

Author: vstinner

Modules/_scproxy.c

@@ -249,16 +249,8 @@ static struct PyModuleDef _scproxy_module = {
     .m_slots = _scproxy_slots,
 };
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 PyMODINIT_FUNC
 PyInit__scproxy(void)
 {
     return PyModuleDef_Init(&_scproxy_module);
 }
-
-#ifdef __cplusplus
-}
-#endif

Modules/_stat.c

@@ -13,10 +13,6 @@
 
 #include "Python.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif /* HAVE_SYS_TYPES_H */
@@ -631,7 +627,3 @@ PyInit__stat(void)
 {
     return PyModuleDef_Init(&statmodule);
 }
-
-#ifdef __cplusplus
-}
-#endif

Modules/main.c

@@ -26,10 +26,6 @@
     "Type \"help\", \"copyright\", \"credits\" or \"license\" " \
     "for more information."
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* --- pymain_init() ---------------------------------------------- */
 
 static PyStatus
@@ -742,7 +738,3 @@ Py_BytesMain(int argc, char **argv)
         .wchar_argv = NULL};
     return pymain_main(&args);
 }
-
-#ifdef __cplusplus
-}
-#endif

Modules/posixmodule.c

@@ -222,10 +222,6 @@
 #endif
 
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 PyDoc_STRVAR(posix__doc__,
 "This module provides access to operating system functionality that is\n\
 standardized by the C Standard and the POSIX standard (a thinly\n\
@@ -17002,7 +16998,3 @@ INITFUNC(void)
 {
     return PyModuleDef_Init(&posixmodule);
 }
-
-#ifdef __cplusplus
-}
-#endif

Objects/fileobject.c

@@ -21,10 +21,6 @@
 #define NEWLINE_LF 2            /* \n newline seen */
 #define NEWLINE_CRLF 4          /* \r\n newline seen */
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* External C interface */
 
 PyObject *
@@ -539,8 +535,3 @@ _PyFile_Flush(PyObject *file)
     Py_DECREF(tmp);
     return 0;
 }
-
-
-#ifdef __cplusplus
-}
-#endif

Objects/object.c

@@ -28,10 +28,6 @@
 #  error "Py_LIMITED_API macro must not be defined"
 #endif
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* Defined in tracemalloc.c */
 extern void _PyMem_DumpTraceback(int fd, const void *ptr);
 
@@ -2808,7 +2804,3 @@ int Py_IsFalse(PyObject *x)
 {
     return Py_Is(x, Py_False);
 }
-
-#ifdef __cplusplus
-}
-#endif

Objects/unicodeobject.c

@@ -100,11 +100,6 @@ NOTE: In the interpreter's initialization phase, some globals are currently
 
 */
 
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 // Maximum code point of Unicode 6.0: 0x10ffff (1,114,111).
 // The value must be the same in fileutils.c.
 #define MAX_UNICODE 0x10ffff
@@ -15397,8 +15392,3 @@ PyInit__string(void)
 {
     return PyModuleDef_Init(&_string_module);
 }
-
-
-#ifdef __cplusplus
-}
-#endif

Python/dtoa.c

@@ -172,10 +172,6 @@ typedef uint64_t ULLong;
 #define Bug(x) {fprintf(stderr, "%s\n", x); exit(1);}
 #endif
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 typedef union { double d; ULong L[2]; } U;
 
 #ifdef IEEE_8087
@@ -2813,8 +2809,5 @@ _Py_dg_dtoa(double dd, int mode, int ndigits,
         _Py_dg_freedtoa(s0);
     return NULL;
 }
-#ifdef __cplusplus
-}
-#endif
 
 #endif  // _PY_SHORT_FLOAT_REPR == 1

Python/errors.c

@@ -16,11 +16,6 @@
 #  include <stdlib.h>             // _sys_nerr
 #endif
 
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* Forward declarations */
 static PyObject *
 _PyErr_FormatV(PyThreadState *tstate, PyObject *exception,
@@ -1918,7 +1913,3 @@ PyErr_ProgramTextObject(PyObject *filename, int lineno)
 {
     return _PyErr_ProgramDecodedTextObject(filename, lineno, NULL);
 }
-
-#ifdef __cplusplus
-}
-#endif

Python/getargs.c

@@ -7,10 +7,6 @@
 #include "pycore_pylifecycle.h"   // _PyArg_Fini
 #include "pycore_tuple.h"         // _PyTuple_ITEMS()
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* Export Stable ABIs (abi only) */
 PyAPI_FUNC(int) _PyArg_Parse_SizeT(PyObject *, const char *, ...);
 PyAPI_FUNC(int) _PyArg_ParseTuple_SizeT(PyObject *, const char *, ...);
@@ -2867,7 +2863,3 @@ _PyArg_Fini(void)
     }
     _PyRuntime.getargs.static_parsers = NULL;
 }
-
-#ifdef __cplusplus
-};
-#endif