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Diffstat (limited to 'kernel/syscalls')
-rw-r--r--kernel/syscalls/pwrite.c6
-rw-r--r--kernel/syscalls/write.c12
2 files changed, 18 insertions, 0 deletions
diff --git a/kernel/syscalls/pwrite.c b/kernel/syscalls/pwrite.c
new file mode 100644
index 0000000..b1e47fe
--- /dev/null
+++ b/kernel/syscalls/pwrite.c
@@ -0,0 +1,6 @@
+#include <fs/vfs.h>
+#include <syscalls.h>
+
+int syscall_pwrite(int fd, const char *buf, size_t count, size_t offset) {
+ return vfs_pwrite(fd, (char*)buf, count, offset);
+}
diff --git a/kernel/syscalls/write.c b/kernel/syscalls/write.c
new file mode 100644
index 0000000..bdd3927
--- /dev/null
+++ b/kernel/syscalls/write.c
@@ -0,0 +1,12 @@
+#include <fs/vfs.h>
+#include <syscalls.h>
+#include <errno.h>
+
+int syscall_write(int fd, const char *buf, size_t count) {
+ vfs_fd_t *fd_ptr = get_vfs_fd(fd);
+ if (!fd_ptr)
+ return -EBADF;
+ int rc = vfs_pwrite(fd, (char *)buf, count, fd_ptr->offset);
+ fd_ptr->offset += rc;
+ return rc;
+}