strbuf: add strbuf_addbuf_percentquote

diff --git a/strbuf.c b/strbuf.c
index 6cbc1fcfd86e45c85fda079f8bce8895adbcb3a4..af9130e52d877bc49748dd5e2db9c5912ab08837 100644 (file)
--- a/strbuf.c
+++ b/strbuf.c
@@ -257,6 +257,17 @@ size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder,
        return 0;
 }
 
+void strbuf_addbuf_percentquote(struct strbuf *dst, const struct strbuf *src)
+{
+       int i, len = src->len;
+
+       for (i = 0; i < len; i++) {
+               if (src->buf[i] == '%')
+                       strbuf_addch(dst, '%');
+               strbuf_addch(dst, src->buf[i]);
+       }
+}
+
 size_t strbuf_fread(struct strbuf *sb, size_t size, FILE *f)
 {
        size_t res;