Converted hash memcpy/memcmp to new hashcpy/hashcmp/hashclr.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

diff --git a/fast-import.c b/fast-import.c
index 5376b5e15c021ddd67223f542d2877b4664b15a5..b1b2382560e24b9e8f148eeb8c09c9c19c0ac482 100644 (file)
--- a/fast-import.c
+++ b/fast-import.c
@@ -277,7 +277,7 @@ static struct object_entry* new_object(unsigned char *sha1)
                alloc_objects(object_entry_alloc);
 
        e = blocks->next_free++;
-       memcpy(e->sha1, sha1, sizeof(e->sha1));
+       hashcpy(e->sha1, sha1);
        return e;
 }
 
@@ -286,7 +286,7 @@ static struct object_entry* find_object(unsigned char *sha1)
        unsigned int h = sha1[0] << 8 | sha1[1];
        struct object_entry *e;
        for (e = object_table[h]; e; e = e->next)
-               if (!memcmp(sha1, e->sha1, sizeof(e->sha1)))
+               if (!hashcmp(sha1, e->sha1))
                        return e;
        return NULL;
 }
@@ -298,7 +298,7 @@ static struct object_entry* insert_object(unsigned char *sha1)
        struct object_entry *p = NULL;
 
        while (e) {
-               if (!memcmp(sha1, e->sha1, sizeof(e->sha1)))
+               if (!hashcmp(sha1, e->sha1))
                        return e;
                p = e;
                e = e->next;
@@ -616,7 +616,7 @@ static int store_object(
        SHA1_Update(&c, dat, datlen);
        SHA1_Final(sha1, &c);
        if (sha1out)
-               memcpy(sha1out, sha1, sizeof(sha1));
+               hashcpy(sha1out, sha1);
 
        e = insert_object(sha1);
        if (mark)
@@ -676,7 +676,7 @@ static int store_object(
                        free(last->data);
                last->data = dat;
                last->len = datlen;
-               memcpy(last->sha1, sha1, sizeof(sha1));
+               hashcpy(last->sha1, sha1);
        }
        return 0;
 }
@@ -826,7 +826,7 @@ static void load_tree(struct tree_entry *root)
        const char *c;
 
        root->tree = t = new_tree_content(8);
-       if (!memcmp(root->sha1, null_sha1, 20))
+       if (is_null_sha1(root->sha1))
                return;
 
        myoe = find_object(root->sha1);
@@ -855,7 +855,7 @@ static void load_tree(struct tree_entry *root)
                        die("Corrupt mode in %s", sha1_to_hex(root->sha1));
                e->name = to_atom(c, strlen(c));
                c += e->name->str_len + 1;
-               memcpy(e->sha1, c, sizeof(e->sha1));
+               hashcpy(e->sha1, c);
                c += 20;
        }
        free(buf);
@@ -877,7 +877,7 @@ static void store_tree(struct tree_entry *root)
        size_t maxlen;
        char *buf, *c;
 
-       if (memcmp(root->sha1, null_sha1, 20))
+       if (!is_null_sha1(root->sha1))
                return;
 
        maxlen = 0;
@@ -895,7 +895,7 @@ static void store_tree(struct tree_entry *root)
                *c++ = ' ';
                strcpy(c, e->name->str_dat);
                c += e->name->str_len + 1;
-               memcpy(c, e->sha1, 20);
+               hashcpy(c, e->sha1);
                c += 20;
        }
        store_object(OBJ_TREE, buf, c - buf, NULL, root->sha1, 0);
@@ -923,15 +923,15 @@ static int tree_content_set(
                e = t->entries[i];
                if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) {
                        if (!slash1) {
-                               if (e->mode == mode && !memcmp(e->sha1, sha1, 20))
+                               if (e->mode == mode && !hashcmp(e->sha1, sha1))
                                        return 0;
                                e->mode = mode;
-                               memcpy(e->sha1, sha1, 20);
+                               hashcpy(e->sha1, sha1);
                                if (e->tree) {
                                        release_tree_content_recursive(e->tree);
                                        e->tree = NULL;
                                }
-                               memcpy(root->sha1, null_sha1, 20);
+                               hashclr(root->sha1);
                                return 1;
                        }
                        if (!S_ISDIR(e->mode)) {
@@ -941,7 +941,7 @@ static int tree_content_set(
                        if (!e->tree)
                                load_tree(e);
                        if (tree_content_set(e, slash1 + 1, sha1, mode)) {
-                               memcpy(root->sha1, null_sha1, 20);
+                               hashclr(root->sha1);
                                return 1;
                        }
                        return 0;
@@ -960,9 +960,9 @@ static int tree_content_set(
        } else {
                e->tree = NULL;
                e->mode = mode;
-               memcpy(e->sha1, sha1, 20);
+               hashcpy(e->sha1, sha1);
        }
-       memcpy(root->sha1, null_sha1, 20);
+       hashclr(root->sha1);
        return 1;
 }
 
@@ -989,7 +989,7 @@ static int tree_content_remove(struct tree_entry *root, const char *p)
                        if (tree_content_remove(e, slash1 + 1)) {
                                if (!e->tree->entry_count)
                                        goto del_entry;
-                               memcpy(root->sha1, null_sha1, 20);
+                               hashclr(root->sha1);
                                return 1;
                        }
                        return 0;
@@ -1002,7 +1002,7 @@ static int tree_content_remove(struct tree_entry *root, const char *p)
                t->entries[i-1] = t->entries[i];
        t->entry_count--;
        release_tree_entry(e);
-       memcpy(root->sha1, null_sha1, 20);
+       hashclr(root->sha1);
        return 1;
 }
 
@@ -1054,7 +1054,7 @@ static int oecmp (const void *_a, const void *_b)
 {
        struct object_entry *a = *((struct object_entry**)_a);
        struct object_entry *b = *((struct object_entry**)_b);
-       return memcmp(a->sha1, b->sha1, sizeof(a->sha1));
+       return hashcmp(a->sha1, b->sha1);
 }
 
 static void write_index(const char *idx_name)
@@ -1359,8 +1359,8 @@ static void cmd_from(struct branch *b)
        if (b == s)
                die("Can't create a branch from itself: %s", b->name);
        else if (s) {
-               memcpy(b->sha1, s->sha1, 20);
-               memcpy(b->branch_tree.sha1, s->branch_tree.sha1, 20);
+               hashcpy(b->sha1, s->sha1);
+               hashcpy(b->branch_tree.sha1, s->branch_tree.sha1);
        } else if (*from == ':') {
                unsigned long idnum = strtoul(from + 1, NULL, 10);
                struct object_entry *oe = find_mark(idnum);
@@ -1368,7 +1368,7 @@ static void cmd_from(struct branch *b)
                char *buf;
                if (oe->type != OBJ_COMMIT)
                        die("Mark :%lu not a commit", idnum);
-               memcpy(b->sha1, oe->sha1, 20);
+               hashcpy(b->sha1, oe->sha1);
                buf = unpack_entry(oe->offset, &size);
                if (!buf || size < 46)
                        die("Not a valid commit: %s", from);
@@ -1377,8 +1377,8 @@ static void cmd_from(struct branch *b)
                        die("The commit %s is corrupt", sha1_to_hex(b->sha1));
                free(buf);
        } else if (!get_sha1(from, b->sha1)) {
-               if (!memcmp(b->sha1, null_sha1, 20))
-                       memcpy(b->branch_tree.sha1, null_sha1, 20);
+               if (is_null_sha1(b->sha1))
+                       hashclr(b->branch_tree.sha1);
                else {
                        unsigned long size;
                        char *buf;
@@ -1467,7 +1467,7 @@ static void cmd_new_commit()
                        : 2 * strlen(committer)));
        sp = body;
        sp += sprintf(sp, "tree %s\n", sha1_to_hex(b->branch_tree.sha1));
-       if (memcmp(b->sha1, null_sha1, 20))
+       if (!is_null_sha1(b->sha1))
                sp += sprintf(sp, "parent %s\n", sha1_to_hex(b->sha1));
        if (author)
                sp += sprintf(sp, "%s\n", author);
@@ -1547,13 +1547,13 @@ static void cmd_new_tag()
 
        s = lookup_branch(from);
        if (s) {
-               memcpy(sha1, s->sha1, 20);
+               hashcpy(sha1, s->sha1);
        } else if (*from == ':') {
                from_mark = strtoul(from + 1, NULL, 10);
                struct object_entry *oe = find_mark(from_mark);
                if (oe->type != OBJ_COMMIT)
                        die("Mark :%lu not a commit", from_mark);
-               memcpy(sha1, oe->sha1, 20);
+               hashcpy(sha1, oe->sha1);
        } else if (!get_sha1(from, sha1)) {
                unsigned long size;
                char *buf;