int _PyCodec_Forget(const char *encoding)
{
PyInterpreterState *interp;
PyObject *v;
int result;
interp = PyThreadState_GET()->interp;
if (interp->codec_search_path == NULL) {
return -1;
}
/* Convert the encoding to a normalized Python string: all
characters are converted to lower case, spaces and hyphens are
replaced with underscores. */
v = normalizestring(encoding);
if (v == NULL) {
return -1;
}
/* Drop the named codec from the internal cache */
result = PyDict_DelItem(interp->codec_search_cache, v);
Py_DECREF(v);
return result;
}
PyObject *_PyCodec_Lookup(const char *encoding)
{
PyInterpreterState *interp;
PyObject *result, *args = NULL, *v;
Py_ssize_t i, len;
if (encoding == NULL) {
PyErr_BadArgument();
goto onError;
}
interp = PyThreadState_GET()->interp;
if (interp->codec_search_path == NULL && _PyCodecRegistry_Init())
goto onError;
/* Convert the encoding to a normalized Python string: all
characters are converted to lower case, spaces and hyphens are
replaced with underscores. */
v = normalizestring(encoding);
if (v == NULL)
goto onError;
PyString_InternInPlace(&v);
/* First, try to lookup the name in the registry dictionary */
result = PyDict_GetItem(interp->codec_search_cache, v);
if (result != NULL) {
Py_INCREF(result);
Py_DECREF(v);
return result;
}
/* Next, scan the search functions in order of registration */
args = PyTuple_New(1);
if (args == NULL)
goto onError;
PyTuple_SET_ITEM(args,0,v);
len = PyList_Size(interp->codec_search_path);
if (len < 0)
goto onError;
if (len == 0) {
PyErr_SetString(PyExc_LookupError,
"no codec search functions registered: "
"can't find encoding");
goto onError;
}
for (i = 0; i < len; i++) {
PyObject *func;
func = PyList_GetItem(interp->codec_search_path, i);
if (func == NULL)
goto onError;
result = PyEval_CallObject(func, args);
if (result == NULL)
goto onError;
if (result == Py_None) {
Py_DECREF(result);
continue;
}
if (!PyTuple_Check(result) || PyTuple_GET_SIZE(result) != 4) {
PyErr_SetString(PyExc_TypeError,
"codec search functions must return 4-tuples");
Py_DECREF(result);
goto onError;
}
break;
}
if (i == len) {
/* XXX Perhaps we should cache misses too ? */
PyErr_Format(PyExc_LookupError,
"unknown encoding: %s", encoding);
goto onError;
}
/* Cache and return the result */
PyDict_SetItem(interp->codec_search_cache, v, result);
Py_DECREF(args);
return result;
onError:
Py_XDECREF(args);
return NULL;
}
int main (int argc, char **argv)
{
FILE *file1, *file2;
char buffer[1024];
char *str, **str1;
int m;
/*
for (m=0;m<argc;m++)
{
printf("argument %d: %s\n", m, argv[m]);
}
*/
if(argc != 3)
{
printf("please specify 2 input files\n");
exit(1);
}
file1 = fopen (argv[1], "r");
file2 = fopen(argv[2],"r");
if (!file1) {
printf ("%s not found\n", argv[1]);
exit (1);
}
if (!file2) {
printf ("%s not found\n", argv[2]);
exit (1);
}
hash_table_ptr hashtable = init_hash_table(hashfunction,eq,59);
while(fgets(buffer, 1024, file1))
{
str = strtok(buffer," \n\0");
while(str)
{
str1 = malloc(sizeof(char*));
*str1 = normalizestring(str);
if(strcmp(*str1,"\0"))
add(hashtable,*str1,NULL);
str = strtok(NULL," \n\0");
free(str1);
}
}
//map(hashtable, print);
while(fgets(buffer, 1024, file2))
{
str = strtok(buffer," \n\0");
while(str)
{
str1 = malloc(sizeof(char*));
*str1 = normalizestring(str);
if(strcmp(*str1,"\0"))
delete(hashtable,*str1,1);
str = strtok(NULL," \n\0");
free(*str1);
free(str1);
}
}
//map(hashtable, print);
map(hashtable, addnode);
node *index = head;
while(index)
{
printf("%s\n", index->string);
index = index->next;
}
fclose(file1);
fclose(file2);
}
