parse_options: allocate a new array when concatenating

diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c
index 185f86b2840d3337eac9fb2b17b260ca0c53fbab..7715c13ec4780a755ec2a6552c0aec9994691087 100644 (file)
--- a/diffcore-pickaxe.c
+++ b/diffcore-pickaxe.c
@@ -62,8 +62,8 @@ static int diff_grep(mmfile_t *one, mmfile_t *two,
        ecbdata.hit = 0;
        xecfg.ctxlen = o->context;
        xecfg.interhunkctxlen = o->interhunkcontext;
-       xdi_diff_outf(one, two, diffgrep_consume, &ecbdata,
-                     &xpp, &xecfg);
+       if (xdi_diff_outf(one, two, diffgrep_consume, &ecbdata, &xpp, &xecfg))
+               return 0;
        return ecbdata.hit;
 }