builtin/apply: introduce 'struct apply_state' to start libifying

diff --git a/strbuf.h b/strbuf.h
index f72fd14c2eaded0399b779150ea1565edd7bf47a..7987405313de3a8779e338129af62f9286c9985c 100644 (file)
--- a/strbuf.h
+++ b/strbuf.h
@@ -386,6 +386,12 @@ extern ssize_t strbuf_read_file(struct strbuf *sb, const char *path, size_t hint
  */
 extern int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint);
 
+/**
+ * Write the whole content of the strbuf to the stream not stopping at
+ * NUL bytes.
+ */
+extern ssize_t strbuf_write(struct strbuf *sb, FILE *stream);
+
 /**
  * Read a line from a FILE *, overwriting the existing contents of
  * the strbuf.  The strbuf_getline*() family of functions share