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-rw-r--r--commit.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/commit.c b/commit.c
index d1810c940b..ee7f0cb029 100644
--- a/commit.c
+++ b/commit.c
@@ -1092,9 +1092,14 @@ static int do_sign_commit(struct strbuf *buf, const char *keyid)
{
struct strbuf sig = STRBUF_INIT;
int inspos, copypos;
+ const char *eoh;
/* find the end of the header */
- inspos = strstr(buf->buf, "\n\n") - buf->buf + 1;
+ eoh = strstr(buf->buf, "\n\n");
+ if (!eoh)
+ inspos = buf->len;
+ else
+ inspos = eoh - buf->buf + 1;
if (!keyid || !*keyid)
keyid = get_signing_key();