emscripten/tests/fs/test_getdents64.cpp at incoming · JavaScriptIOT/emscripten · GitHub

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#include <dirent.h>

#include <fcntl.h>

#include <stdio.h>

#include <unistd.h>

#include <assert.h>

#include <stdlib.h>

#include <sys/stat.h>

#include <sys/syscall.h>

#define BUF_SIZE (sizeof(dirent)*2)

int main(int argc, char *argv[])

{

int fd = open(".", O_RDONLY | O_DIRECTORY);

assert(fd > 0);

printf("sizeof(dirent): %d, sizeof(buffer): %d\n", sizeof(dirent), BUF_SIZE);

bool first = true;

for(;;)

{

char buf[BUF_SIZE];

int nread = getdents(fd, (dirent*)buf, BUF_SIZE);

assert(nread != -1);

if (nread == 0)

break;

// In this test, we provide enough space to read two dirent entries at a time.

// Test that on the first iteration of the loop we get exactly two entries. (there's at least "." and ".." in each directory)

assert(nread == BUF_SIZE || !first);

first = false;

printf("--------------- nread=%d ---------------\n", nread);

printf("i-node# file type d_reclen d_off d_name\n");

int bpos = 0;

while(bpos < nread)

{

dirent *d = (dirent *)(buf + bpos);

printf("%8ld ", (long)d->d_ino);

char d_type = *(buf + bpos + d->d_reclen - 1);

printf("%-10s ", (d_type == DT_REG) ? "regular" :

(d_type == DT_DIR) ? "directory" :

(d_type == DT_FIFO) ? "FIFO" :

(d_type == DT_SOCK) ? "socket" :

(d_type == DT_LNK) ? "symlink" :

(d_type == DT_BLK) ? "block dev" :

(d_type == DT_CHR) ? "char dev" : "???");

printf("%4d %10lld %s\n", d->d_reclen, (long long) d->d_off, d->d_name);

bpos += d->d_reclen;

}

emscripten/tests/fs/test_getdents64.cpp at incoming · JavaScriptIOT/emscripten · GitHub

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