[PATCH v2 07/33] refname_is_safe(): don't allow the empty string

[Michael Haggerty]

Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
 refs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/refs.c b/refs.c
index 5789152..ca0280f 100644
--- a/refs.c
+++ b/refs.c
@@ -136,11 +136,12 @@ int refname_is_safe(const char *refname)
                free(buf);
                return result;
        }
-       while (*refname) {
+
+       do {
                if (!isupper(*refname) && *refname != '_')
                        return 0;
                refname++;
-       }
+       } while (*refname);
        return 1;
 }
 
-- 
2.8.1

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