lockfile: allow reopening a closed but still locked file

diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c
index 70753d058a5411e353832600ccb3206f480e9e14..185f86b2840d3337eac9fb2b17b260ca0c53fbab 100644 (file)
--- a/diffcore-pickaxe.c
+++ b/diffcore-pickaxe.c
@@ -94,13 +94,10 @@ static unsigned int contains(mmfile_t *mf, regex_t *regexp, kwset_t kws)
                while (sz) {
                        struct kwsmatch kwsm;
                        size_t offset = kwsexec(kws, data, sz, &kwsm);
-                       const char *found;
                        if (offset == -1)
                                break;
-                       else
-                               found = data + offset;
-                       sz -= found - data + kwsm.size[0];
-                       data = found + kwsm.size[0];
+                       sz -= offset + kwsm.size[0];
+                       data += offset + kwsm.size[0];
                        cnt++;
                }
        }