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Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred

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Return msgbug on error is enough.
This commit is contained in:
Victor Stinner 2011-01-04 11:16:49 +00:00
parent a093d0d6a9
commit 6ab8e8298e
1 changed files with 41 additions and 38 deletions
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67
Python/getargs.c
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@ -611,6 +611,7 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
*q=s; \ *q=s; \
} }
#define BUFFER_LEN ((flags & FLAG_SIZE_T) ? *q2:*q) #define BUFFER_LEN ((flags & FLAG_SIZE_T) ? *q2:*q)
#define RETURN_ERR_OCCURRED return msgbuf
const char *format = *p_format; const char *format = *p_format;
char c = *format++; char c = *format++;
@ -622,19 +623,19 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
char *p = va_arg(*p_va, char *); char *p = va_arg(*p_va, char *);
long ival; long ival;
if (float_argument_error(arg)) if (float_argument_error(arg))
return converterr("integer<b>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
ival = PyLong_AsLong(arg); ival = PyLong_AsLong(arg);
if (ival == -1 && PyErr_Occurred()) if (ival == -1 && PyErr_Occurred())
return converterr("integer<b>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else if (ival < 0) { else if (ival < 0) {
PyErr_SetString(PyExc_OverflowError, PyErr_SetString(PyExc_OverflowError,
"unsigned byte integer is less than minimum"); "unsigned byte integer is less than minimum");
return converterr("integer<b>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
} }
else if (ival > UCHAR_MAX) { else if (ival > UCHAR_MAX) {
PyErr_SetString(PyExc_OverflowError, PyErr_SetString(PyExc_OverflowError,
"unsigned byte integer is greater than maximum"); "unsigned byte integer is greater than maximum");
return converterr("integer<b>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
} }
else else
*p = (unsigned char) ival; *p = (unsigned char) ival;
@ -646,10 +647,10 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
char *p = va_arg(*p_va, char *); char *p = va_arg(*p_va, char *);
long ival; long ival;
if (float_argument_error(arg)) if (float_argument_error(arg))
return converterr("integer<B>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
ival = PyLong_AsUnsignedLongMask(arg); ival = PyLong_AsUnsignedLongMask(arg);
if (ival == -1 && PyErr_Occurred()) if (ival == -1 && PyErr_Occurred())
return converterr("integer<B>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else else
*p = (unsigned char) ival; *p = (unsigned char) ival;
break; break;
@ -659,19 +660,19 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
short *p = va_arg(*p_va, short *); short *p = va_arg(*p_va, short *);
long ival; long ival;
if (float_argument_error(arg)) if (float_argument_error(arg))
return converterr("integer<h>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
ival = PyLong_AsLong(arg); ival = PyLong_AsLong(arg);
if (ival == -1 && PyErr_Occurred()) if (ival == -1 && PyErr_Occurred())
return converterr("integer<h>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else if (ival < SHRT_MIN) { else if (ival < SHRT_MIN) {
PyErr_SetString(PyExc_OverflowError, PyErr_SetString(PyExc_OverflowError,
"signed short integer is less than minimum"); "signed short integer is less than minimum");
return converterr("integer<h>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
} }
else if (ival > SHRT_MAX) { else if (ival > SHRT_MAX) {
PyErr_SetString(PyExc_OverflowError, PyErr_SetString(PyExc_OverflowError,
"signed short integer is greater than maximum"); "signed short integer is greater than maximum");
return converterr("integer<h>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
} }
else else
*p = (short) ival; *p = (short) ival;
@ -683,10 +684,10 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
unsigned short *p = va_arg(*p_va, unsigned short *); unsigned short *p = va_arg(*p_va, unsigned short *);
long ival; long ival;
if (float_argument_error(arg)) if (float_argument_error(arg))
return converterr("integer<H>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
ival = PyLong_AsUnsignedLongMask(arg); ival = PyLong_AsUnsignedLongMask(arg);
if (ival == -1 && PyErr_Occurred()) if (ival == -1 && PyErr_Occurred())
return converterr("integer<H>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else else
*p = (unsigned short) ival; *p = (unsigned short) ival;
break; break;
@ -696,19 +697,19 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
int *p = va_arg(*p_va, int *); int *p = va_arg(*p_va, int *);
long ival; long ival;
if (float_argument_error(arg)) if (float_argument_error(arg))
return converterr("integer<i>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
ival = PyLong_AsLong(arg); ival = PyLong_AsLong(arg);
if (ival == -1 && PyErr_Occurred()) if (ival == -1 && PyErr_Occurred())
return converterr("integer<i>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else if (ival > INT_MAX) { else if (ival > INT_MAX) {
PyErr_SetString(PyExc_OverflowError, PyErr_SetString(PyExc_OverflowError,
"signed integer is greater than maximum"); "signed integer is greater than maximum");
return converterr("integer<i>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
} }
else if (ival < INT_MIN) { else if (ival < INT_MIN) {
PyErr_SetString(PyExc_OverflowError, PyErr_SetString(PyExc_OverflowError,
"signed integer is less than minimum"); "signed integer is less than minimum");
return converterr("integer<i>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
} }
else else
*p = ival; *p = ival;
@ -720,10 +721,10 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
unsigned int *p = va_arg(*p_va, unsigned int *); unsigned int *p = va_arg(*p_va, unsigned int *);
unsigned int ival; unsigned int ival;
if (float_argument_error(arg)) if (float_argument_error(arg))
return converterr("integer<I>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
ival = (unsigned int)PyLong_AsUnsignedLongMask(arg); ival = (unsigned int)PyLong_AsUnsignedLongMask(arg);
if (ival == (unsigned int)-1 && PyErr_Occurred()) if (ival == (unsigned int)-1 && PyErr_Occurred())
return converterr("integer<I>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else else
*p = ival; *p = ival;
break; break;
@ -735,14 +736,14 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
Py_ssize_t *p = va_arg(*p_va, Py_ssize_t *); Py_ssize_t *p = va_arg(*p_va, Py_ssize_t *);
Py_ssize_t ival = -1; Py_ssize_t ival = -1;
if (float_argument_error(arg)) if (float_argument_error(arg))
return converterr("integer<n>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
iobj = PyNumber_Index(arg); iobj = PyNumber_Index(arg);
if (iobj != NULL) { if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj); ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj); Py_DECREF(iobj);
} }
if (ival == -1 && PyErr_Occurred()) if (ival == -1 && PyErr_Occurred())
return converterr("integer<n>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
*p = ival; *p = ival;
break; break;
} }
@ -750,10 +751,10 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
long *p = va_arg(*p_va, long *); long *p = va_arg(*p_va, long *);
long ival; long ival;
if (float_argument_error(arg)) if (float_argument_error(arg))
return converterr("integer<l>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
ival = PyLong_AsLong(arg); ival = PyLong_AsLong(arg);
if (ival == -1 && PyErr_Occurred()) if (ival == -1 && PyErr_Occurred())
return converterr("integer<l>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else else
*p = ival; *p = ival;
break; break;
@ -775,10 +776,10 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
PY_LONG_LONG *p = va_arg( *p_va, PY_LONG_LONG * ); PY_LONG_LONG *p = va_arg( *p_va, PY_LONG_LONG * );
PY_LONG_LONG ival; PY_LONG_LONG ival;
if (float_argument_error(arg)) if (float_argument_error(arg))
return converterr("long<L>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
ival = PyLong_AsLongLong(arg); ival = PyLong_AsLongLong(arg);
if (ival == (PY_LONG_LONG)-1 && PyErr_Occurred()) if (ival == (PY_LONG_LONG)-1 && PyErr_Occurred())
return converterr("long<L>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else else
*p = ival; *p = ival;
break; break;
@ -800,7 +801,7 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
float *p = va_arg(*p_va, float *); float *p = va_arg(*p_va, float *);
double dval = PyFloat_AsDouble(arg); double dval = PyFloat_AsDouble(arg);
if (PyErr_Occurred()) if (PyErr_Occurred())
return converterr("float<f>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else else
*p = (float) dval; *p = (float) dval;
break; break;
@ -810,7 +811,7 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
double *p = va_arg(*p_va, double *); double *p = va_arg(*p_va, double *);
double dval = PyFloat_AsDouble(arg); double dval = PyFloat_AsDouble(arg);
if (PyErr_Occurred()) if (PyErr_Occurred())
return converterr("float<d>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else else
*p = dval; *p = dval;
break; break;
@ -821,7 +822,7 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
Py_complex cval; Py_complex cval;
cval = PyComplex_AsCComplex(arg); cval = PyComplex_AsCComplex(arg);
if (PyErr_Occurred()) if (PyErr_Occurred())
return converterr("complex<D>", arg, msgbuf, bufsize); RETURN_ERR_OCCURRED;
else else
*p = cval; *p = cval;
break; break;
@ -1107,9 +1108,7 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
if (*buffer == NULL) { if (*buffer == NULL) {
Py_DECREF(s); Py_DECREF(s);
PyErr_NoMemory(); PyErr_NoMemory();
return converterr( RETURN_ERR_OCCURRED;
"(memory error)",
arg, msgbuf, bufsize);
} }
if (addcleanup(*buffer, freelist, 0)) { if (addcleanup(*buffer, freelist, 0)) {
Py_DECREF(s); Py_DECREF(s);
@ -1151,8 +1150,7 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
if (*buffer == NULL) { if (*buffer == NULL) {
Py_DECREF(s); Py_DECREF(s);
PyErr_NoMemory(); PyErr_NoMemory();
return converterr("(memory error)", RETURN_ERR_OCCURRED;
arg, msgbuf, bufsize);
} }
if (addcleanup(*buffer, freelist, 0)) { if (addcleanup(*buffer, freelist, 0)) {
Py_DECREF(s); Py_DECREF(s);
@ -1261,6 +1259,11 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
*p_format = format; *p_format = format;
return NULL; return NULL;
#undef FETCH_SIZE
#undef STORE_SIZE
#undef BUFFER_LEN
#undef RETURN_ERR_OCCURRED
} }
static Py_ssize_t static Py_ssize_t