getdents64(2) test case.

diff --git a/src/getdents64.c b/src/getdents64.c
new file mode 100644 (file)
index 0000000..20936dd
--- /dev/null
+++ b/src/getdents64.c
@@ -0,0 +1,65 @@
+/* $Id$ */
+
+#define _GNU_SOURCE 1
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <assert.h>
+#include <linux/unistd.h>
+#include <string.h>
+
+
+static _syscall3(long, getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
+
+int main(int argc,char **argv)
+{
+int fd;
+
+       if (argc!=2) {
+               fprintf(stderr,"Required directory name argument!\n");
+               exit(EXIT_FAILURE);
+               }
+       if (-1==(fd=open(argv[1],O_RDONLY /* |O_DIRECTORY */))) {
+               fprintf(stderr,"open(\"%s\"): %m\n",argv[1]);
+               exit(EXIT_FAILURE);
+               }
+       for (;;) {
+off_t off;
+char buf[100];
+struct dirent64 *dirent64;
+int got;
+
+               if ((off_t)-1==(off=lseek(fd,0,SEEK_CUR))) {
+                       fprintf(stderr,"lseek(): %m\n");
+                       exit(EXIT_FAILURE);
+               }
+               printf("@=%lld\n",(long long)off);
+               memset(buf,0,sizeof(buf));
+               got=getdents64(fd,(void *)buf,sizeof(buf));
+               printf("got=%d\n",got);
+               if (got==-1)
+                       perror("getdents()");
+               assert(got<=sizeof(buf));
+               if (!got)
+                       break;
+               for (
+                               dirent64=(void *)buf;
+                               (char *)dirent64<buf+got;
+                               dirent64=(void *)((char *)dirent64+dirent64->d_reclen)
+                               ) {
+                       printf("dirent64_rel=%d, d_off=0x%llx; d_ino=%llu, d_reclen=%u, d_type=%u, d_name=%s\n",
+                                       (char *)dirent64-buf,
+                                       (long long)dirent64->d_off,(unsigned long long)dirent64->d_ino,
+                                       (unsigned)dirent64->d_reclen,
+                                       (unsigned)dirent64->d_type,dirent64->d_name);
+                       }
+               printf("trailing=%d\n",(buf+got)-(char *)dirent64);
+               }
+       puts("done");
+       return EXIT_SUCCESS;
+}