sbosse/basekernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Mon 14 Oct 23:09:15 CEST 2024

Browse Source
This commit is contained in:
sbosse 2024-10-14 23:09:46 +02:00
parent 240359bb3f
commit d81c11b00e
1 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
user/test/open.c Normal file
View File

@ -0,0 +1,31 @@
/*
Copyright (C) 2016-2019 The University of Notre Dame
This software is distributed under the GNU General Public License.
See the file LICENSE for details.
*/
#include "library/syscalls.h"
#include "library/string.h"
#include "library/user-io.h"
int main(int argc, char *argv[])
{
syscall_chdir("/");
printf("got root\n");
int dir_fd = syscall_open_file("/", 0, 0);
syscall_object_set_tag(dir_fd, "ROOT");
printf("Opened root directory\n");
int fd = syscall_open_file("ROOT:/data/words", 0, 0);
char buffer[1000];
int n;
printf("reading file...\n");
while((n = syscall_object_read(fd, buffer, 100)) > 0) {
buffer[n] = 0;
printf("%s", buffer);
flush();
}
syscall_object_close(fd);
syscall_process_exit(0);
return 0;
}