Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/share/emscripten/tests/fs/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

#include<assert.h>
#include<stdio.h>

int main (int argc, char *argv[])
{
   FILE *fp;
   int res;
   long len;

   fp = fopen("testappend", "wb+");
   res = fwrite("1234567890", 10, 1, fp);
   fclose(fp);

   fp = fopen("testappend", "ab+");
   res = fwrite("1234567890", 10, 1, fp);

   fseek(fp, -7, SEEK_END);
   len = ftell(fp);
   assert(len == 13);
   fclose(fp);

   puts("success");
   return 0;
}