compat: rename {,notmuch_}canonicalize_file_name

[notmuch] / util / path-util.c

diff --git a/util/path-util.c b/util/path-util.c
new file mode 100644 (file)
index 0000000..3267a96
--- /dev/null
+++ b/util/path-util.c
@@ -0,0 +1,27 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#define _GNU_SOURCE
+
+#include "path-util.h"
+
+#include <limits.h>
+#include <stdlib.h>
+
+
+char *
+notmuch_canonicalize_file_name (const char *path)
+{
+#if HAVE_CANONICALIZE_FILE_NAME
+    return canonicalize_file_name (path);
+#elif defined(PATH_MAX)
+    char *resolved_path =  malloc (PATH_MAX + 1);
+    if (resolved_path == NULL)
+       return NULL;
+
+    return realpath (path, resolved_path);
+#else
+#error undefined PATH_MAX _and_ missing canonicalize_file_name not supported
+#endif
+}