diff options
Diffstat (limited to 'Objects/intobject.c')
| -rw-r--r-- | Objects/intobject.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Objects/intobject.c b/Objects/intobject.c index f2d77e1a730..45c21868a6e 100644 --- a/Objects/intobject.c +++ b/Objects/intobject.c @@ -32,6 +32,7 @@ PERFORMANCE OF THIS SOFTWARE. /* Integer object implementation */ #include "Python.h" +#include <ctype.h> #ifdef HAVE_LIMITS_H #include <limits.h> @@ -218,6 +219,48 @@ PyInt_AsLong(op) return val; } +PyObject * +PyInt_FromString(s, pend, base) + char *s; + char **pend; + int base; +{ + char *end; + long x; + char buffer[256]; /* For errors */ + + if ((base != 0 && base < 2) || base > 36) { + PyErr_SetString(PyExc_ValueError, "invalid base for int()"); + return NULL; + } + + while (*s && isspace(Py_CHARMASK(*s))) + s++; + errno = 0; + if (base == 0 && s[0] == '0') + x = (long) PyOS_strtoul(s, &end, base); + else + x = PyOS_strtol(s, &end, base); + if (end == s || !isalnum(end[-1])) + goto bad; + while (*end && isspace(Py_CHARMASK(*end))) + end++; + if (*end != '\0') { + bad: + sprintf(buffer, "invalid literal for int(): %.200s", s); + PyErr_SetString(PyExc_ValueError, buffer); + return NULL; + } + else if (errno != 0) { + sprintf(buffer, "int() literal too large: %.200s", s); + PyErr_SetString(PyExc_ValueError, buffer); + return NULL; + } + if (pend) + *pend = end; + return PyInt_FromLong(x); +} + /* Methods */ /* ARGSUSED */ |