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/

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#include <stdio.h>
#include <sys/mman.h>
#include <emscripten.h>
#include <string.h>
#include <assert.h>

int main() {
    printf("*\n");
    FILE *f = fopen("data.dat", "r");
    char *m;
    m = (char*)mmap(NULL, 9000, PROT_READ, MAP_PRIVATE, fileno(f), 0);
    for (int i = 0; i < 20; i++) putchar(m[i]);
    assert(!strncmp(m, "data from the file .", 20));
    munmap(m, 9000);
    printf("\n");
    m = (char*)mmap(NULL, 9000, PROT_READ, MAP_PRIVATE, fileno(f), 5);
    for (int i = 0; i < 20; i++) putchar(m[i]);
    assert(!strncmp(m, "from the file ......", 20));
    munmap(m, 9000);
    printf("\n*\n");

#ifdef REPORT_RESULT
    int result = 1;
    REPORT_RESULT();
#endif
    return 0;
}