merge-tree: drop generate_common strategy

[thirdparty/git.git] / merge-blobs.c

diff --git a/merge-blobs.c b/merge-blobs.c
index 7abb894c684d1ff7bc26b30ffa41597451750f20..4f68537a732dedbefe34d19d2089c743f44e01ae 100644 (file)
--- a/merge-blobs.c
+++ b/merge-blobs.c
@@ -48,40 +48,6 @@ static void *three_way_filemerge(const char *path, mmfile_t *base, mmfile_t *our
        return res.ptr;
 }
 
-static int common_outf(void *priv_, mmbuffer_t *mb, int nbuf)
-{
-       int i;
-       mmfile_t *dst = priv_;
-
-       for (i = 0; i < nbuf; i++) {
-               memcpy(dst->ptr + dst->size, mb[i].ptr, mb[i].size);
-               dst->size += mb[i].size;
-       }
-       return 0;
-}
-
-static int generate_common_file(mmfile_t *res, mmfile_t *f1, mmfile_t *f2)
-{
-       unsigned long size = f1->size < f2->size ? f1->size : f2->size;
-       void *ptr = xmalloc(size);
-       xpparam_t xpp;
-       xdemitconf_t xecfg;
-       xdemitcb_t ecb;
-
-       memset(&xpp, 0, sizeof(xpp));
-       xpp.flags = 0;
-       memset(&xecfg, 0, sizeof(xecfg));
-       xecfg.ctxlen = 3;
-       xecfg.flags = XDL_EMIT_COMMON;
-       ecb.outf = common_outf;
-
-       res->ptr = ptr;
-       res->size = 0;
-
-       ecb.priv = res;
-       return xdi_diff(f1, f2, &xpp, &xecfg, &ecb);
-}
-
 void *merge_blobs(const char *path, struct blob *base, struct blob *our, struct blob *their, unsigned long *size)
 {
        void *res = NULL;
@@ -112,8 +78,8 @@ void *merge_blobs(const char *path, struct blob *base, struct blob *our, struct
                if (fill_mmfile_blob(&common, base) < 0)
                        goto out_free_f2_f1;
        } else {
-               if (generate_common_file(&common, &f1, &f2) < 0)
-                       goto out_free_f2_f1;
+               common.ptr = xstrdup("");
+               common.size = 0;
        }
        res = three_way_filemerge(path, &common, &f1, &f2, size);
        free_mmfile(&common);