sha1-name: pass len argument to interpret_branch_name()

diff --git a/sha1_name.c b/sha1_name.c
index 65ad066d9bb4efd9b61142b40d790bac9543de1d..93197b91e34df885fa2f5c5100f1be60c8a6acd9 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -1012,7 +1012,7 @@ static int reinterpret(const char *name, int namelen, int len, struct strbuf *bu
        int ret;
 
        strbuf_add(buf, name + len, namelen - len);
-       ret = interpret_branch_name(buf->buf, &tmp);
+       ret = interpret_branch_name(buf->buf, buf->len, &tmp);
        /* that data was not interpreted, remove our cruft */
        if (ret < 0) {
                strbuf_setlen(buf, used);
@@ -1046,14 +1046,16 @@ static int reinterpret(const char *name, int namelen, int len, struct strbuf *bu
  * If the input was ok but there are not N branch switches in the
  * reflog, it returns 0.
  */
-int interpret_branch_name(const char *name, struct strbuf *buf)
+int interpret_branch_name(const char *name, int namelen, struct strbuf *buf)
 {
        char *cp;
        struct branch *upstream;
-       int namelen = strlen(name);
        int len = interpret_nth_prior_checkout(name, buf);
        int tmp_len;
 
+       if (!namelen)
+               namelen = strlen(name);
+
        if (!len) {
                return len; /* syntax Ok, not enough switches */
        } else if (len > 0) {
@@ -1100,7 +1102,7 @@ int interpret_branch_name(const char *name, struct strbuf *buf)
 int strbuf_branchname(struct strbuf *sb, const char *name)
 {
        int len = strlen(name);
-       int used = interpret_branch_name(name, sb);
+       int used = interpret_branch_name(name, len, sb);
 
        if (used == len)
                return 0;