util: add talloc-extra.[ch]

[notmuch] / util / talloc-extra.h

diff --git a/util/talloc-extra.h b/util/talloc-extra.h
new file mode 100644 (file)
index 0000000..eac5dc0
--- /dev/null
+++ b/util/talloc-extra.h
@@ -0,0 +1,18 @@
+#ifndef _TALLOC_EXTRA_H
+#define _TALLOC_EXTRA_H
+
+#include <talloc.h>
+
+/* Like talloc_strndup, but take an extra parameter for the internal talloc
+ * name (for debugging) */
+
+char *
+talloc_strndup_named_const (void *ctx, const char *str,
+                           size_t len, const char *name);
+
+/* use the __location__ macro from talloc.h to name a string according to its
+ * source location */
+
+#define talloc_strndup_debug(ctx, str, len) talloc_strndup_named_const (ctx, str, len, __location__)
+
+#endif