initial commit: wip

xcb.c

@@ -0,0 +1,37 @@
+#include "xcb.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+xcb_atom_t
+get_atom(xcb_connection_t *conn, const char *name)
+{
+    xcb_generic_error_t *e;
+    xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(
+        conn,
+        xcb_intern_atom(conn, 1, strlen(name), name),
+        &e);
+    assert(e == NULL);
+
+    xcb_atom_t ret = reply->atom;
+    free(reply);
+    return ret;
+}
+
+char *
+get_atom_name(xcb_connection_t *conn, xcb_atom_t atom)
+{
+    xcb_generic_error_t *e;
+    xcb_get_atom_name_reply_t *reply = xcb_get_atom_name_reply(
+        conn, xcb_get_atom_name(conn, atom), &e);
+    assert(e == NULL);
+
+    int len = xcb_get_atom_name_name_length(reply);
+    char *name = malloc(len + 1);
+    memcpy(name, xcb_get_atom_name_name(reply), len);
+    name[len] = '\0';
+
+    free(reply);
+    return name;
+}