1 files changed, 23 insertions, 0 deletions
diff --git a/src/lib/hash-format.h b/src/lib/hash-format.h
new file mode 100644
index 0000000..177dc6f
--- /dev/null
+++ b/src/lib/hash-format.h
@@ -0,0 +1,23 @@
+#ifndef HASH_FORMAT_H
+#define HASH_FORMAT_H
+
+struct hash_format;
+
+/* Initialize formatting hash. Format can contain text with %{sha1} style
+   variables. Each hash hash can be also truncated by specifying the number
+   of bits to truncate to, such as %{sha1:80}. */
+int hash_format_init(const char *format_string, struct hash_format **format_r,
+		     const char **error_r);
+/* Add more data to hash. */
+void hash_format_loop(struct hash_format *format,
+		      const void *data, size_t size);
+/* Finish the hash and write it into given string. */
+void hash_format_write(struct hash_format *format, string_t *dest);
+/* Reset hash to initial state. */
+void hash_format_reset(struct hash_format *format);
+/* Write the hash into given string and free used memory. */
+void hash_format_deinit(struct hash_format **format, string_t *dest);
+/* Free used memory without writing to string. */
+void hash_format_deinit_free(struct hash_format **format);
+
+#endif