commit --amend -S: strip existing gpgsig headers

[git.git] / strbuf.c

diff --git a/strbuf.c b/strbuf.c
index 3ad2cc00160fbf24e1e4904bb37ce44e8c414ce5..a849705197a6ad3d0d2ab9de22b269de6b4fc2b1 100644 (file)
--- a/strbuf.c
+++ b/strbuf.c
@@ -397,3 +397,17 @@ int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint)
 
        return len;
 }
+
+void strbuf_add_lines(struct strbuf *out, const char *prefix,
+                     const char *buf, size_t size)
+{
+       while (size) {
+               const char *next = memchr(buf, '\n', size);
+               next = next ? (next + 1) : (buf + size);
+               strbuf_addstr(out, prefix);
+               strbuf_add(out, buf, next - buf);
+               size -= next - buf;
+               buf = next;
+       }
+       strbuf_complete_line(out);
+}