various utils

src/eventloop.c

@@ -0,0 +1,28 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "eventloop.h"
+#include "mem.h"
+
+struct eventloop {
+  int kqueue_fd;
+};
+
+struct eventloop *eventloop_new(void) {
+  MEM_SCOPED(struct eventloop, el);
+
+  if (!(el = malloc(sizeof(struct eventloop)))) {
+    errno = ENOMEM;
+    return NULL;
+  }
+
+  return MEM_RELEASE(struct eventloop, &el);
+}
+
+void eventloop_free(struct eventloop *el) {
+  if (!el)
+    return;
+  close(el->kqueue_fd);
+  free(el);
+}

src/str.c

@@ -0,0 +1,18 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "str.h"
+
+str_buf_t sb_from_sv(str_view_t s) {
+  char *buf;
+
+  if (sv_is_null(s) || sv_is_empty(s))
+    return SB_NULL;
+
+  if (!(buf = malloc(s.len + 1)))
+    return SB_NULL;
+
+  memcpy(buf, s.ptr, s.len);
+  buf[s.len] = 0;
+  return (str_buf_t) { buf, s.len };
+}