/*
* fs.readdir
*/
static int fs_readdir(lua_State* L) {
FSR__SETUP
const char *path = luaL_checkstring(L, 1);
FSR__SET_OPT_CB(2, on_fs_callback)
uv_fs_readdir(loop, req, path, 0, cb);
FSR__TEARDOWN
}
virgo_error_t*
virgo__versions_latest_file(virgo_t *v, const char *path, is_file_cmp file_compare,
char *buffer, size_t buffer_len) {
char *latest = NULL;
char *ptr;
int rc, i;
uv_fs_t readdir_req;
virgo_error_t *err;
rc = uv_fs_readdir(uv_default_loop(), &readdir_req, path, 0, NULL);
if (rc <= 0) {
return virgo_error_createf(-1, "readdir returned %u", rc);
}
ptr = readdir_req.ptr;
for (i=0; i < rc; i++) {
int comparison;
/* Verify this is a bundle filename */
if (!file_compare(ptr)) {
goto next;
}
/* Initial pass */
if (!latest) {
latest = ptr;
goto next;
}
/* Perform the comparison */
err = compare_files(ptr, latest, &comparison);
if (err) {
virgo_error_clear(err);
goto next;
}
/* If comparison returns 1, then the versions are greater */
if (comparison == 1) {
latest = ptr;
}
next:
ptr = ptr + strlen(ptr) + 1;
}
if (!latest) {
uv_fs_req_cleanup(&readdir_req);
return virgo_error_create(VIRGO_ENOFILE, "zero files");
}
/* Save off the path */
snprintf(buffer, buffer_len, "%s%s%s", path, SEP, latest);
uv_fs_req_cleanup(&readdir_req);
return VIRGO_SUCCESS;
}
int main() {
loop = uv_default_loop();
int r = uv_fs_readdir(loop, &readdir_req, path, O_RDONLY, readdir_cb);
if (r) {
fprintf(stderr, "Error at reading directory: %s.\n",
uv_strerror(uv_last_error(loop)));
return -1;
}
uv_run(loop, UV_RUN_DEFAULT);
return 0;
}
DLLEXPORT int jl_readdir(const char* path, uv_fs_t* readdir_req)
{
// Note that the flags field is mostly ignored by libuv
return uv_fs_readdir(uv_default_loop(), readdir_req, path, 0 /*flags*/, NULL);
}
extern "C" int
rust_uv_fs_readdir(uv_loop_t* loop, uv_fs_t* req, const char* path, int flags, uv_fs_cb cb) {
return uv_fs_readdir(loop, req, path, flags, cb);
}
