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; }