builtin-merge.c: allocate correct amount of memory

diff --git a/builtin-apply.c b/builtin-apply.c
index 4eb263ec5807a771b3a61c147b74a6f2f68dddee..2c87cf57fde83117193fad196c7f1023dcea7525 100644 (file)
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -13,6 +13,7 @@
 #include "delta.h"
 #include "builtin.h"
 #include "string-list.h"
+#include "dir.h"
 
 /*
  *  --check turns on checking that the working tree matches the
@@ -1996,6 +1997,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
        /*
         * A hunk to change lines at the beginning would begin with
         * @@ -1,L +N,M @@
+        * but we need to be careful.  -U0 that inserts before the second
+        * line also has this pattern.
         *
         * And a hunk to add to an empty file would begin with
         * @@ -0,0 +N,M @@
@@ -2003,7 +2006,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
         * In other words, a hunk that is (frag->oldpos <= 1) with or
         * without leading context must match at the beginning.
         */
-       match_beginning = frag->oldpos <= 1;
+       match_beginning = (!frag->oldpos ||
+                          (frag->oldpos == 1 && !unidiff_zero));
 
        /*
         * A hunk without trailing lines must match at the end.
@@ -2582,6 +2586,8 @@ static void build_fake_ancestor(struct patch *list, const char *filename)
                        sha1_ptr = sha1;
 
                ce = make_cache_entry(patch->old_mode, sha1_ptr, name, 0, 0);
+               if (!ce)
+                       die("make_cache_entry failed for path '%s'", name);
                if (add_index_entry(&result, ce, ADD_CACHE_OK_TO_ADD))
                        die ("Could not add %s to temporary index", name);
        }
@@ -2732,15 +2738,7 @@ static void remove_file(struct patch *patch, int rmdir_empty)
                                warning("unable to remove submodule %s",
                                        patch->old_name);
                } else if (!unlink(patch->old_name) && rmdir_empty) {
-                       char *name = xstrdup(patch->old_name);
-                       char *end = strrchr(name, '/');
-                       while (end) {
-                               *end = 0;
-                               if (rmdir(name))
-                                       break;
-                               end = strrchr(name, '/');
-                       }
-                       free(name);
+                       remove_path(patch->old_name);
                }
        }
 }