void
lt_dlloader_dump (void)
{
fprintf (stderr, "loaders: ");
if (!loaders)
{
fprintf (stderr, "(empty)");
}
else
{
const lt_dlvtable *head = (const lt_dlvtable *) loaders->userdata;
fprintf (stderr, "%s", (head && head->name) ? head->name : "(null)");
if (slist_tail (loaders))
slist_foreach (slist_tail (loaders), loader_dump_callback, NULL);
}
fprintf (stderr, "\n");
}
int slist_append_list(slist_t* listOne, slist_t* listSec) {
if (slist_tail(listSec) == NULL && slist_head(listOne) == NULL)
{ // both of list is NULL
return 0;
}
if (slist_head(listSec) == NULL)
{ // list two is NULL
return 0;
}
if(!listOne || !listSec) {return -1;}
if(slist_size(listSec) == 0) {return 0;}
slist_node_t* p = slist_head(listSec);
while(p) {
if( slist_append(listOne, p->data) == -1 ) {return -1;}
p = slist_next(p);
}
slist_size(listOne) += slist_size(listSec);
/* slist_destroy(l2, SLIST_LEAVE_DATA);*/
return 0;
}
void *slist_pop_first(slist_t *list)
{
if (slist_head(list)==NULL)
{
return NULL;
}
slist_node_t *temp_p=NULL;
void *PopValue;
temp_p = slist_head(list);
PopValue= slist_data(temp_p);
slist_head(list) =slist_next(temp_p);
free(temp_p);
int countSize = slist_size(list) -1;
if (countSize==0) // if the list have one node
{
slist_tail(list)=NULL;
slist_head(list)=NULL;
slist_size(list)=0;
}
return(PopValue); // return the Value of head list
}
void slist_init(slist_t *pointer_list)
{
slist_head(pointer_list)=NULL;
slist_tail(pointer_list)=NULL;
slist_size(pointer_list)=0;
}
/**
* Append a new line of text at the end of the header.
* A private copy of the text is made.
*
* @return an error code, or HEAD_OK if appending was successful.
*/
int
header_append(header_t *o, const char *text, int len)
{
char buf[MAX_LINE_SIZE];
const char *p = text;
uchar c;
header_field_t *hf;
header_check(o);
g_assert(len >= 0);
if (o->flags & HEAD_F_EOH)
return HEAD_EOH_REACHED;
/*
* If empty line, we reached EOH.
*/
if (len == 0) {
o->flags |= HEAD_F_EOH; /* Mark we reached EOH */
return HEAD_EOH;
}
/*
* Sanity checks.
*/
if (o->size >= HEAD_MAX_SIZE)
return HEAD_TOO_LARGE;
if (++(o->num_lines) >= HEAD_MAX_LINES)
return HEAD_MANY_LINES;
/*
* Detect whether line is a new header or a continuation.
*/
c = *p;
if (is_ascii_space(c)) {
/*
* It's a continuation.
*
* Make sure we already have recorded something, or we have
* an unexpected continuation line.
*/
if (NULL == o->fields)
return HEAD_CONTINUATION; /* Unexpected continuation */
/*
* When a previous header line was malformed, we cannot accept
* further continuation lines.
*/
if (o->flags & HEAD_F_SKIP)
return HEAD_SKIPPED;
/*
* We strip leading spaces of all continuations before storing
* them. If we have to dump the header, we will have to put
* some spaces, but we don't guarantee we'll put the same amount.
*/
p++; /* First char is known space */
while ((c = *p)) {
if (!is_ascii_space(c))
break;
p++;
}
/*
* If we've reached the end of the line, then the continuation
* line was made of spaces only. Weird, but we can ignore it.
* Note that it's not an EOH mark.
*/
if (*p == '\0')
return HEAD_OK;
/*
* Save the continuation line by appending into the last header
* field we handled.
*/
hf = slist_tail(o->fields);
hfield_append(hf, p);
add_continuation(o, hf->name, p);
o->size += len - (p - text); /* Count only effective text */
/*
* Also append the data in the hash table.
*/
} else {
char *b;
bool seen_space = FALSE;
/*
* It's a new header line.
*/
o->flags &= ~HEAD_F_SKIP; /* Assume this line will be OK */
/*
* Parse header field. Must be composed of ascii chars only.
* (no control characters, no space, no ISO Latin or other extension).
* The field name ends with ':', after possible white spaces.
*/
for (b = buf, c = *p; c; c = *(++p)) {
if (c == ':') {
*b++ = '\0'; /* Reached end of field */
break; /* Done, buf[] holds field name */
}
if (is_ascii_space(c)) {
seen_space = TRUE; /* Only trailing spaces allowed */
continue;
}
if (
seen_space || (c != '-' && c != '.' &&
(!isascii(c) || is_ascii_cntrl(c) || is_ascii_punct(c)))
) {
o->flags |= HEAD_F_SKIP;
return HEAD_BAD_CHARS;
}
*b++ = c;
}
/*
* If buf[] does not end with a NUL, we did not fully recognize
* the header: we reached the end of the line without encountering
* the ':' marker.
*
* If the buffer starts with a NUL char, it's also clearly malformed.
*/
g_assert(b > buf || (b == buf && *text == '\0'));
if (b == buf || *(b-1) != '\0') {
o->flags |= HEAD_F_SKIP;
return HEAD_MALFORMED;
}
/*
* We have a valid header field in buf[].
*/
hf = hfield_make(buf);
/*
* Strip leading spaces in the value.
*/
g_assert(*p == ':');
p++; /* First char is field separator */
p = skip_ascii_spaces(p);
/*
* Record field value.
*/
hfield_append(hf, p);
add_header(o, buf, p);
if (!o->fields) {
o->fields = slist_new();
}
slist_append(o->fields, hf);
o->size += len - (p - text); /* Count only effective text */
}
return HEAD_OK;
}
