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嵌入式CGI开发之旅——番外

2015-01-10 23:51 218 查看
前面提到,那个C源程序有点问题,其实就是HTML标签没有安装XHTML的规范来写,现在贴出更改后的mian函数

int main(void)

{

char *lenstr;

char input[MAXINPUT], data[MAXINPUT];

long len;

//printf("%s%c%c\n\n","Content-Type:text/html;charset=iso-8859-1",13,10);

printf("Content-Type:text/html\n\n");

printf("<html>\n");

printf("<head>\n<title>Response</title>\n</head>\n");

printf("<body>\n");

lenstr = getenv("CONTENT_LENGTH");

if(lenstr == NULL || sscanf(lenstr,"%ld",&len)!=1 || len > MAXLEN)

printf("<p>Error in invocation - wrong FORM probably.</p>\n");

else {

FILE *f;

fgets(input, len+1, stdin);

unencode(input+EXTRA, input+len, data);

f = fopen(DATAFILE, "a");

if(f == NULL)

printf("<p>Sorry, cannot store your data.</p>\n");

else

fputs(data, f);

fclose(f);

printf("<p>Thank you! Your contribution has been stored.</p>\n");

}

printf("</body>\n</html>\n");

return 0;

}
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