Finally implement "git log --follow"

diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c
index ed7ad2041c6f81df8b0191374c5b0e4e91683a70..5cb7171a8f528881c6171defa5b102e87d7aa522 100644 (file)
--- a/xdiff/xdiffi.c
+++ b/xdiff/xdiffi.c
@@ -45,7 +45,6 @@ static long xdl_split(unsigned long const *ha1, long off1, long lim1,
                      long *kvdf, long *kvdb, int need_min, xdpsplit_t *spl,
                      xdalgoenv_t *xenv);
 static xdchange_t *xdl_add_change(xdchange_t *xscr, long i1, long i2, long chg1, long chg2);
-static int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags);
 
 
 
@@ -84,7 +83,7 @@ static long xdl_split(unsigned long const *ha1, long off1, long lim1,
                 * We need to extent the diagonal "domain" by one. If the next
                 * values exits the box boundaries we need to change it in the
                 * opposite direction because (max - min) must be a power of two.
-                * Also we initialize the extenal K value to -1 so that we can
+                * Also we initialize the external K value to -1 so that we can
                 * avoid extra conditions check inside the core loop.
                 */
                if (fmin > dmin)
@@ -119,7 +118,7 @@ static long xdl_split(unsigned long const *ha1, long off1, long lim1,
                 * We need to extent the diagonal "domain" by one. If the next
                 * values exits the box boundaries we need to change it in the
                 * opposite direction because (max - min) must be a power of two.
-                * Also we initialize the extenal K value to -1 so that we can
+                * Also we initialize the external K value to -1 so that we can
                 * avoid extra conditions check inside the core loop.
                 */
                if (bmin > dmin)
@@ -397,7 +396,7 @@ static xdchange_t *xdl_add_change(xdchange_t *xscr, long i1, long i2, long chg1,
 }
 
 
-static int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags) {
+int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags) {
        long ix, ixo, ixs, ixref, grpsiz, nrec = xdf->nrec;
        char *rchg = xdf->rchg, *rchgo = xdfo->rchg;
        xrecord_t **recs = xdf->recs;
@@ -405,7 +404,7 @@ static int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags) {
        /*
         * This is the same of what GNU diff does. Move back and forward
         * change groups for a consistent and pretty diff output. This also
-        * helps in finding joineable change groups and reduce the diff size.
+        * helps in finding joinable change groups and reduce the diff size.
         */
        for (ix = ixo = 0;;) {
                /*
@@ -566,4 +565,3 @@ int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
 
        return 0;
 }
-