C语言实现xml构造解析器

#include <string.h>#include <stdio.h>#include <stdlib.h>#include "sxml.h"  #define LUA_SCRIPT "function fun()/n/  int a;/n/  a = 10;/n/  return a;/n/end"  int main(){  sxml_file_info_t* info;  char* tmp;  const char* pstr;  int line=1;  char buff[128]={0};  sxml_doc_t* parser=NULL;  sxml_doc_t* doc = sxml_doc_new("a.xml","1.0","GB2312");  sxml_node_t* node = sxml_node_new("root");  sxml_attr_t* attr = sxml_attr_new("age","25");     sxml_node_t* subnode = sxml_node_new("score");  sxml_node_t* rawdata = sxml_rawdata_new(NULL,"hello world!",strlen("hello world!"));   sxml_node_t* rawdata2 = sxml_rawdata_new(NULL,"hello world!",strlen("hello world!"));   sxml_node_t* rawdata3 = sxml_rawdata_new(NULL,"hello world!",strlen("hello world!"));   sxml_node_t* rawdata4 = sxml_rawdata_new("raw","rawdata",strlen("rawdata"));   sxml_node_t* rawdata5 = sxml_rawdata_new("lua",LUA_SCRIPT,strlen(LUA_SCRIPT));   sxml_node_t* innertext = sxml_innertext_new("内部字符串");  sxml_node_t* comment = sxml_comment_new("注释");  sxml_node_t* empty = sxml_empty_new("empty");     sxml_add_attr2node(node,attr);  attr = sxml_attr_new("sex","man");  sxml_add_attr2node(node,attr);   attr = sxml_attr_new("语文","95");  sxml_add_attr2node(subnode,attr);  attr = sxml_attr_new("数学","100");    sxml_add_attr2node(subnode,attr);  attr = sxml_attr_new("英语","98");    sxml_add_attr2node(subnode,attr);     sxml_add_subnode2node(node,subnode);  sxml_add_subnode2node(node,rawdata);  sxml_add_subnode2node(node,rawdata2);  sxml_add_subnode2node(node,rawdata3);  sxml_add_subnode2node(node,rawdata4);  sxml_add_subnode2node(node,rawdata5);  sxml_add_subnode2node(node,innertext);  sxml_add_subnode2node(node,comment);  sxml_add_subnode2node(node,empty);      sxml_add_node2doc(doc,node);     //printf("%s/n",sxml_doc_print_buffered(doc,16));  tmp = sxml_doc_print(doc);  pstr = tmp;  printf("%s/n", tmp);  while((pstr = skip_line(pstr)))line++;  printf("/n/n%d/n/n", line);  //printf("/n/n%s/n/n",check_skip("<?xml version=/"1.0/" encoding=/"GB2312/"?>","<?xml version=///"")?"YES":"NO");  //copy_until(buff,"<?xml version=/"1.0/" encoding=/"GB2312/"?>","/" ");  //printf("/n/n%s/n/n",buff);     //sxml_save(doc);      sxml_doc_free(doc);  doc = NULL;  free(tmp);     //printf("aaaa.................../n");     //getchar();     parser = sxml_parse("a.xml");     //tmp = sxml_doc_print(parser);//有问题，内存越界  tmp = sxml_doc_print_buffered(parser,16);  printf("%s/n", tmp);  free(tmp);  sxml_save2file(parser,"b.xml");  sxml_doc_free(parser);     return 0;}