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gh-124044: protect macros expansions in _cursesmodules.c using do { ... } while (0) (#124045)

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Bénédikt Tran 2024-09-13 13:26:19 +02:00 • committed by GitHub
parent 432bf31327
commit e49d1b44d3
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1 changed files with 28 additions and 19 deletions
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47
Modules/_cursesmodule.c
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@ -182,22 +182,31 @@ static char *screen_encoding = NULL;
/* Utility Macros */ /* Utility Macros */
#define PyCursesSetupTermCalled \ #define PyCursesSetupTermCalled \
if (initialised_setupterm != TRUE) { \ do { \
PyErr_SetString(PyCursesError, \ if (initialised_setupterm != TRUE) { \
"must call (at least) setupterm() first"); \ PyErr_SetString(PyCursesError, \
return 0; } "must call (at least) setupterm() first"); \
return 0; \
} \
} while (0)
#define PyCursesInitialised \ #define PyCursesInitialised \
if (initialised != TRUE) { \ do { \
PyErr_SetString(PyCursesError, \ if (initialised != TRUE) { \
"must call initscr() first"); \ PyErr_SetString(PyCursesError, \
return 0; } "must call initscr() first"); \
return 0; \
} \
} while (0)
#define PyCursesInitialisedColor \ #define PyCursesInitialisedColor \
if (initialisedcolors != TRUE) { \ do { \
PyErr_SetString(PyCursesError, \ if (initialisedcolors != TRUE) { \
"must call start_color() first"); \ PyErr_SetString(PyCursesError, \
return 0; } "must call start_color() first"); \
return 0; \
} \
} while (0)
/* Utility Functions */ /* Utility Functions */
@ -2633,12 +2642,12 @@ PyTypeObject PyCursesWindow_Type = {
#define NoArgNoReturnFunctionBody(X) \ #define NoArgNoReturnFunctionBody(X) \
{ \ { \
PyCursesInitialised \ PyCursesInitialised; \
return PyCursesCheckERR(X(), # X); } return PyCursesCheckERR(X(), # X); }
#define NoArgOrFlagNoReturnFunctionBody(X, flag) \ #define NoArgOrFlagNoReturnFunctionBody(X, flag) \
{ \ { \
PyCursesInitialised \ PyCursesInitialised; \
if (flag) \ if (flag) \
return PyCursesCheckERR(X(), # X); \ return PyCursesCheckERR(X(), # X); \
else \ else \
@ -2647,23 +2656,23 @@ PyTypeObject PyCursesWindow_Type = {
#define NoArgReturnIntFunctionBody(X) \ #define NoArgReturnIntFunctionBody(X) \
{ \ { \
PyCursesInitialised \ PyCursesInitialised; \
return PyLong_FromLong((long) X()); } return PyLong_FromLong((long) X()); }
#define NoArgReturnStringFunctionBody(X) \ #define NoArgReturnStringFunctionBody(X) \
{ \ { \
PyCursesInitialised \ PyCursesInitialised; \
return PyBytes_FromString(X()); } return PyBytes_FromString(X()); }
#define NoArgTrueFalseFunctionBody(X) \ #define NoArgTrueFalseFunctionBody(X) \
{ \ { \
PyCursesInitialised \ PyCursesInitialised; \
return PyBool_FromLong(X()); } return PyBool_FromLong(X()); }
#define NoArgNoReturnVoidFunctionBody(X) \ #define NoArgNoReturnVoidFunctionBody(X) \
{ \ { \
PyCursesInitialised \ PyCursesInitialised; \
X(); \ X(); \
Py_RETURN_NONE; } Py_RETURN_NONE; }