Embedded gpp

gpp.c

@@ -0,0 +1,43 @@
+#include <sys/mman.h>
+
+#include "gebs/gebs.h"
+
+#include "gpp.h"
+#include "baked.h"
+
+int gpp_fd;
+
+void gpp_init(void)
+{
+    gpp_fd = memfd_create("gpp-binary", 0);
+    if (gpp_fd < 0) {
+        LOGE("Could not create gpp_fd. Aborting...");
+        abort();
+    }
+
+    write(gpp_fd, gpp1_data, gpp1_size);
+}
+
+void gpp_deinit(void)
+{
+    close(gpp_fd);
+}
+
+bool gpp_run(char *path, NString_List *env, String_Builder *out)
+{
+    Cmd cmd = {0};
+    defer { cmd_free(&cmd); }
+
+    cmd_append(&cmd, "gpp1");
+    cmd_append(&cmd, "-H");
+    cmd_append(&cmd, "-x");
+    cmd_append(&cmd, "--nostdinc");
+    cmd_append(&cmd, path);
+
+    for (size_t i = 0; i < env->count; i++) {
+        cmd_append(&cmd, env->items[i]);
+    }
+
+    return cmd_fd_run_collect(gpp_fd, &cmd, out) == 0;
+}
+