myhtml
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Published
20 hours ago •
lexborisov
lexborisov
myhtml_serialization_tree_buffer is crash
1.program code,test.c
#include <stdio.h>
#include <stdlib.h>
#include <myhtml/api.h>
#include "example.h"
struct res_html {
char *html;
size_t size;
};
struct res_html load_html_file(const char* filename)
{
FILE *fh = fopen(filename, "rb");
if(fh == NULL) {
fprintf(stderr, "Can't open html file: %s\n", filename);
exit(EXIT_FAILURE);
}
if(fseek(fh, 0L, SEEK_END) != 0) {
fprintf(stderr, "Can't set position (fseek) in file: %s\n", filename);
exit(EXIT_FAILURE);
}
long size = ftell(fh);
if(fseek(fh, 0L, SEEK_SET) != 0) {
fprintf(stderr, "Can't set position (fseek) in file: %s\n", filename);
exit(EXIT_FAILURE);
}
if(size <= 0) {
fprintf(stderr, "Can't get file size or file is empty: %s\n", filename);
exit(EXIT_FAILURE);
}
char *html = (char*)malloc(size + 1);
if(html == NULL) {
fprintf(stderr, "Can't allocate mem for html file: %s\n", filename);
exit(EXIT_FAILURE);
}
size_t nread = fread(html, 1, size, fh);
if (nread != size) {
fprintf(stderr, "could not read %ld bytes (" MyCORE_FMT_Z " bytes done)\n", size, nread);
exit(EXIT_FAILURE);
}
fclose(fh);
struct res_html res = {html, (size_t)size};
return res;
}
int main(int argc, const char * argv[])
{
const char* path;
const char* path_insert;
if (argc == 3) {
path = argv[1];
path_insert = argv[2];
}
else {
printf("Bad ARGV!\nUse: serialization_high_level <path_to_html_file>\n");
exit(EXIT_FAILURE);
}
struct res_html res = load_html_file(path);
struct res_html res_insert = load_html_file(path_insert);
// basic init
myhtml_t* myhtml = myhtml_create();
mystatus_t status = myhtml_init(myhtml, MyHTML_OPTIONS_DEFAULT, 1, 0);
printf("status[%d]\n\n",status);
// init tree
myhtml_tree_t* tree = myhtml_tree_create();
myhtml_tree_init(tree, myhtml);
// parse html
myhtml_parse(tree, MyENCODING_UTF_8, res.html, res.size);
mycore_string_raw_t str_raw;
mycore_string_raw_clean_all(&str_raw);
myhtml_tree_node_t* node_insert = NULL;
myhtml_t* myhtml_insert = myhtml_create();
myhtml_init(myhtml_insert, MyHTML_OPTIONS_DEFAULT, 1, 0);
// init tree
myhtml_tree_t* tree_insert = myhtml_tree_create();
myhtml_tree_init(tree_insert, myhtml_insert);
// parse html
myhtml_parse(tree_insert, MyENCODING_UTF_8, res_insert.html, res_insert.size);
node_insert = myhtml_tree_get_node_html(tree_insert);
myhtml_tree_node_t* root = myhtml_tree_get_node_html(tree);
myhtml_tree_node_t* node_a = myhtml_node_create(tree, MyHTML_TAG_DIV, MyHTML_NAMESPACE_HTML);
myhtml_tree_node_add_child(node_a,node_insert);
myhtml_collection_t *collection = myhtml_get_nodes_by_tag_id(tree, NULL, MyHTML_TAG_FRAMESET, NULL);
//printf("collection[%p],length[%d]\n",collection,collection->length);
if(collection && collection->list && collection->length){
printf("----------------------------------------\n");
myhtml_tree_node_t *frame = collection->list[0];
myhtml_tree_node_insert_before(frame,node_a);
myhtml_node_delete(frame);
}
if(MyHTML_STATUS_OK == myhtml_serialization_tree_buffer(myhtml_tree_get_document(tree), &str_raw)) {
printf("%s", str_raw.data);
}
mycore_string_raw_destroy(&str_raw, false);
// release resources
myhtml_tree_destroy(tree);
myhtml_destroy(myhtml);
free(res.html);
return 0;
}
2.mk.sh
gcc test.c -g -o test -lmyhtml_static -lpthread -I/home/haima/myhtml/include -L/home/haima/myhtml/lib
- main.html,red.html code 3.1 main.html
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
<base target="_blank">
<title>框架</title>
</head>
<frameset cols="50%,50%">
<frame src="red.html" name="redFrame">
</frameset>
<body>
test code test code test code
</body>
</html>
3.2 red.html
<html>
<head>
<title>redFrame</title>
<style>
body{ background-color: red; }
</style>
</head>
<body>
test content
</body>
</html>
<!--24256869360382548490090719-->
4.run parameter
issue description: ./test main.html red.html
program crash to myhtml_serialization_tree_buffer, when deleting the red.html last line(24256869360382548490090719-->),the program is running normally
The program crashes when the last action of the html page is commented
