1 files changed, 134 insertions, 0 deletions
diff --git a/src/settings.c b/src/settings.c
new file mode 100644
index 000000000..748f76560
--- /dev/null
+++ b/src/settings.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#include <stdarg.h>
+
+#include <git2.h>
+#include "common.h"
+#include "fileops.h"
+#include "cache.h"
+
+void git_libgit2_version(int *major, int *minor, int *rev)
+{
+	*major = LIBGIT2_VER_MAJOR;
+	*minor = LIBGIT2_VER_MINOR;
+	*rev = LIBGIT2_VER_REVISION;
+}
+
+int git_libgit2_capabilities()
+{
+	return 0
+#ifdef GIT_THREADS
+		| GIT_CAP_THREADS
+#endif
+#if defined(GIT_SSL) || defined(GIT_WINHTTP)
+		| GIT_CAP_HTTPS
+#endif
+#if defined(GIT_SSH)
+		| GIT_CAP_SSH
+#endif
+	;
+}
+
+/* Declarations for tuneable settings */
+extern size_t git_mwindow__window_size;
+extern size_t git_mwindow__mapped_limit;
+
+static int config_level_to_futils_dir(int config_level)
+{
+	int val = -1;
+
+	switch (config_level) {
+	case GIT_CONFIG_LEVEL_SYSTEM: val = GIT_FUTILS_DIR_SYSTEM; break;
+	case GIT_CONFIG_LEVEL_XDG:    val = GIT_FUTILS_DIR_XDG; break;
+	case GIT_CONFIG_LEVEL_GLOBAL: val = GIT_FUTILS_DIR_GLOBAL; break;
+	default:
+		giterr_set(
+			GITERR_INVALID, "Invalid config path selector %d", config_level);
+	}
+
+	return val;
+}
+
+int git_libgit2_opts(int key, ...)
+{
+	int error = 0;
+	va_list ap;
+
+	va_start(ap, key);
+
+	switch (key) {
+	case GIT_OPT_SET_MWINDOW_SIZE:
+		git_mwindow__window_size = va_arg(ap, size_t);
+		break;
+
+	case GIT_OPT_GET_MWINDOW_SIZE:
+		*(va_arg(ap, size_t *)) = git_mwindow__window_size;
+		break;
+
+	case GIT_OPT_SET_MWINDOW_MAPPED_LIMIT:
+		git_mwindow__mapped_limit = va_arg(ap, size_t);
+		break;
+
+	case GIT_OPT_GET_MWINDOW_MAPPED_LIMIT:
+		*(va_arg(ap, size_t *)) = git_mwindow__mapped_limit;
+		break;
+
+	case GIT_OPT_GET_SEARCH_PATH:
+		if ((error = config_level_to_futils_dir(va_arg(ap, int))) >= 0) {
+			char *out = va_arg(ap, char *);
+			size_t outlen = va_arg(ap, size_t);
+
+			error = git_futils_dirs_get_str(out, outlen, error);
+		}
+		break;
+
+	case GIT_OPT_SET_SEARCH_PATH:
+		if ((error = config_level_to_futils_dir(va_arg(ap, int))) >= 0)
+			error = git_futils_dirs_set(error, va_arg(ap, const char *));
+		break;
+
+	case GIT_OPT_SET_CACHE_OBJECT_LIMIT:
+		{
+			git_otype type = (git_otype)va_arg(ap, int);
+			size_t size = va_arg(ap, size_t);
+			error = git_cache_set_max_object_size(type, size);
+			break;
+		}
+
+	case GIT_OPT_SET_CACHE_MAX_SIZE:
+		git_cache__max_storage = va_arg(ap, ssize_t);
+		break;
+
+	case GIT_OPT_ENABLE_CACHING:
+		git_cache__enabled = (va_arg(ap, int) != 0);
+		break;
+
+	case GIT_OPT_GET_CACHED_MEMORY:
+		*(va_arg(ap, ssize_t *)) = git_cache__current_storage.val;
+		*(va_arg(ap, ssize_t *)) = git_cache__max_storage;
+		break;
+
+	case GIT_OPT_GET_TEMPLATE_PATH:
+		{
+			char *out = va_arg(ap, char *);
+			size_t outlen = va_arg(ap, size_t);
+
+			error = git_futils_dirs_get_str(out, outlen, GIT_FUTILS_DIR_TEMPLATE);
+		}
+		break;
+
+	case GIT_OPT_SET_TEMPLATE_PATH:
+		error = git_futils_dirs_set(GIT_FUTILS_DIR_TEMPLATE, va_arg(ap, const char *));
+		break;
+	}
+
+	va_end(ap);
+
+	return error;
+}
+