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Use a faster way to check for null bytes in the string argument for 

int(), long(), float().
This commit is contained in:
Guido van Rossum 1998-03-13 21:30:14 +00:00
parent 677fc843ea
commit 8f74571596
1 changed files with 18 additions and 7 deletions
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25
Python/bltinmodule.c
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@ -2095,8 +2095,7 @@ int_from_string(v)
long x;
char buffer[256]; /* For errors */
if (!PyArg_Parse(v, "s", &s))
return NULL;
s = PyString_AS_STRING(v);
while (*s && isspace(Py_CHARMASK(*s)))
s++;
if (s[0] == '\0') {
@ -2112,6 +2111,11 @@ int_from_string(v)
PyErr_SetString(PyExc_ValueError, buffer);
return NULL;
}
else if (end-s != PyString_GET_SIZE(v)) {
PyErr_SetString(PyExc_ValueError,
"null byte in argument for int()");
return NULL;
}
else if (errno != 0) {
sprintf(buffer, "int() literal too large: %.200s", s);
PyErr_SetString(PyExc_ValueError, buffer);
@ -2128,9 +2132,7 @@ long_from_string(v)
PyObject *x;
char buffer[256]; /* For errors */
if (!PyArg_Parse(v, "s", &s))
return NULL;
s = PyString_AS_STRING(v);
while (*s && isspace(Py_CHARMASK(*s)))
s++;
if (s[0] == '\0') {
@ -2148,6 +2150,11 @@ long_from_string(v)
Py_DECREF(x);
return NULL;
}
else if (end-s != PyString_GET_SIZE(v)) {
PyErr_SetString(PyExc_ValueError,
"null byte in argument for float()");
return NULL;
}
return x;
}
@ -2160,8 +2167,7 @@ float_from_string(v)
double x;
char buffer[256]; /* For errors */
if (!PyArg_Parse(v, "s", &s))
return NULL;
s = PyString_AS_STRING(v);
while (*s && isspace(Py_CHARMASK(*s)))
s++;
if (s[0] == '\0') {
@ -2179,6 +2185,11 @@ float_from_string(v)
PyErr_SetString(PyExc_ValueError, buffer);
return NULL;
}
else if (end-s != PyString_GET_SIZE(v)) {
PyErr_SetString(PyExc_ValueError,
"null byte in argument for float()");
return NULL;
}
else if (errno != 0) {
sprintf(buffer, "float() literal too large: %.200s", s);
PyErr_SetString(PyExc_ValueError, buffer);