builtin/apply: introduce 'struct apply_state' to start libifying

diff --git a/line-log.c b/line-log.c
index 626b22cc31726c146347f44d73daa80b776ab74f..bbe31ed6fbb7c103c739f7e9a3c45cde5d36fcec 100644 (file)
--- a/line-log.c
+++ b/line-log.c
@@ -14,6 +14,7 @@
 #include "graph.h"
 #include "userdiff.h"
 #include "line-log.h"
+#include "argv-array.h"
 
 static void range_set_grow(struct range_set *rs, size_t extra)
 {
@@ -502,7 +503,7 @@ static void fill_blob_sha1(struct commit *commit, struct diff_filespec *spec)
        unsigned mode;
        unsigned char sha1[20];
 
-       if (get_tree_entry(commit->object.sha1, spec->path,
+       if (get_tree_entry(commit->object.oid.hash, spec->path,
                           sha1, &mode))
                die("There is no path %s in the commit", spec->path);
        fill_filespec(spec, sha1, 1, mode);
@@ -521,7 +522,7 @@ static void fill_line_ends(struct diff_filespec *spec, long *lines,
        if (diff_populate_filespec(spec, 0))
                die("Cannot read blob %s", sha1_to_hex(spec->sha1));
 
-       ends = xmalloc(size * sizeof(*ends));
+       ALLOC_ARRAY(ends, size);
        ends[cur++] = 0;
        data = spec->data;
        while (num < spec->size) {
@@ -746,22 +747,17 @@ void line_log_init(struct rev_info *rev, const char *prefix, struct string_list
        add_line_range(rev, commit, range);
 
        if (!rev->diffopt.detect_rename) {
-               int i, count = 0;
-               struct line_log_data *r = range;
+               struct line_log_data *r;
+               struct argv_array array = ARGV_ARRAY_INIT;
                const char **paths;
-               while (r) {
-                       count++;
-                       r = r->next;
-               }
-               paths = xmalloc((count+1)*sizeof(char *));
-               r = range;
-               for (i = 0; i < count; i++) {
-                       paths[i] = xstrdup(r->path);
-                       r = r->next;
-               }
-               paths[count] = NULL;
+
+               for (r = range; r; r = r->next)
+                       argv_array_push(&array, r->path);
+               paths = argv_array_detach(&array);
+
                parse_pathspec(&rev->diffopt.pathspec, 0,
                               PATHSPEC_PREFER_FULL, "", paths);
+               /* strings are now owned by pathspec */
                free(paths);
        }
 }
@@ -824,8 +820,8 @@ static void queue_diffs(struct line_log_data *range,
        assert(commit);
 
        DIFF_QUEUE_CLEAR(&diff_queued_diff);
-       diff_tree_sha1(parent ? parent->tree->object.sha1 : NULL,
-                       commit->tree->object.sha1, "", opt);
+       diff_tree_sha1(parent ? parent->tree->object.oid.hash : NULL,
+                       commit->tree->object.oid.hash, "", opt);
        if (opt->detect_rename) {
                filter_diffs_for_paths(range, 1);
                if (diff_might_be_rename())
@@ -1146,9 +1142,9 @@ static int process_ranges_merge_commit(struct rev_info *rev, struct commit *comm
        if (nparents > 1 && rev->first_parent_only)
                nparents = 1;
 
-       diffqueues = xmalloc(nparents * sizeof(*diffqueues));
-       cand = xmalloc(nparents * sizeof(*cand));
-       parents = xmalloc(nparents * sizeof(*parents));
+       ALLOC_ARRAY(diffqueues, nparents);
+       ALLOC_ARRAY(cand, nparents);
+       ALLOC_ARRAY(parents, nparents);
 
        p = commit->parents;
        for (i = 0; i < nparents; i++) {