git-send-email: add a new sendemail.to configuration variable
[gitweb.git] / fast-import.c
index e456eab17ce993317e6309562755dc29fe863fd7..6f888f64767ee78ef198180c6e628ddb60e09191 100644 (file)
@@ -182,11 +182,10 @@ struct mark_set
 
 struct last_object
 {
-       void *data;
-       unsigned long len;
+       struct strbuf data;
        uint32_t offset;
        unsigned int depth;
-       unsigned no_free:1;
+       unsigned no_swap : 1;
 };
 
 struct mem_pool
@@ -310,7 +309,7 @@ static struct mark_set *marks;
 static const char* mark_file;
 
 /* Our last blob */
-static struct last_object last_blob;
+static struct last_object last_blob = { STRBUF_INIT, 0, 0, 0 };
 
 /* Tree management */
 static unsigned int tree_entry_alloc = 1000;
@@ -950,9 +949,7 @@ static void end_packfile(void)
        free(old_p);
 
        /* We can't carry a delta across packfiles. */
-       free(last_blob.data);
-       last_blob.data = NULL;
-       last_blob.len = 0;
+       strbuf_release(&last_blob.data);
        last_blob.offset = 0;
        last_blob.depth = 0;
 }
@@ -1024,8 +1021,8 @@ static int store_object(
                return 1;
        }
 
-       if (last && last->data && last->depth < max_depth) {
-               delta = diff_delta(last->data, last->len,
+       if (last && last->data.buf && last->depth < max_depth) {
+               delta = diff_delta(last->data.buf, last->data.len,
                        dat->buf, dat->len,
                        &deltalen, 0);
                if (delta && deltalen >= dat->len) {
@@ -1111,11 +1108,12 @@ static int store_object(
        free(out);
        free(delta);
        if (last) {
-               if (!last->no_free)
-                       free(last->data);
+               if (last->no_swap) {
+                       last->data = *dat;
+               } else {
+                       strbuf_swap(&last->data, dat);
+               }
                last->offset = e->offset;
-               last->data = dat->buf;
-               last->len = dat->len;
        }
        return 0;
 }
@@ -1242,7 +1240,7 @@ static void store_tree(struct tree_entry *root)
 {
        struct tree_content *t = root->tree;
        unsigned int i, j, del;
-       struct last_object lo;
+       struct last_object lo = { STRBUF_INIT, 0, 0, /* no_swap */ 1 };
        struct object_entry *le;
 
        if (!is_null_sha1(root->versions[1].sha1))
@@ -1254,19 +1252,11 @@ static void store_tree(struct tree_entry *root)
        }
 
        le = find_object(root->versions[0].sha1);
-       if (!S_ISDIR(root->versions[0].mode)
-               || !le
-               || le->pack_id != pack_id) {
-               lo.data = NULL;
-               lo.depth = 0;
-               lo.no_free = 0;
-       } else {
+       if (S_ISDIR(root->versions[0].mode) && le && le->pack_id == pack_id) {
                mktree(t, 0, &old_tree);
-               lo.len  = old_tree.len;
-               lo.data = old_tree.buf;
+               lo.data = old_tree;
                lo.offset = le->offset;
                lo.depth = t->delta_depth;
-               lo.no_free = 1;
        }
 
        mktree(t, 1, &new_tree);
@@ -1572,7 +1562,7 @@ static int read_next_command(void)
                } else {
                        struct recent_command *rc;
 
-                       strbuf_detach(&command_buf);
+                       strbuf_detach(&command_buf, NULL);
                        stdin_eof = strbuf_getline(&command_buf, stdin, '\n');
                        if (stdin_eof)
                                return EOF;
@@ -1714,14 +1704,12 @@ static char *parse_ident(const char *buf)
 
 static void cmd_new_blob(void)
 {
-       struct strbuf buf;
+       static struct strbuf buf = STRBUF_INIT;
 
        read_next_command();
        cmd_mark();
-       strbuf_init(&buf, 0);
        cmd_data(&buf);
-       if (store_object(OBJ_BLOB, &buf, &last_blob, NULL, next_mark))
-               strbuf_release(&buf);
+       store_object(OBJ_BLOB, &buf, &last_blob, NULL, next_mark);
 }
 
 static void unload_one_branch(void)
@@ -1771,7 +1759,7 @@ static void load_branch(struct branch *b)
 static void file_change_m(struct branch *b)
 {
        const char *p = command_buf.buf + 2;
-       char *p_uq;
+       static struct strbuf uq = STRBUF_INIT;
        const char *endp;
        struct object_entry *oe = oe;
        unsigned char sha1[20];
@@ -1809,27 +1797,27 @@ static void file_change_m(struct branch *b)
        if (*p++ != ' ')
                die("Missing space after SHA1: %s", command_buf.buf);
 
-       p_uq = unquote_c_style(p, &endp);
-       if (p_uq) {
+       strbuf_reset(&uq);
+       if (!unquote_c_style(&uq, p, &endp)) {
                if (*endp)
                        die("Garbage after path in: %s", command_buf.buf);
-               p = p_uq;
+               p = uq.buf;
        }
 
        if (inline_data) {
-               struct strbuf buf;
+               static struct strbuf buf = STRBUF_INIT;
 
-               if (!p_uq)
-                       p = p_uq = xstrdup(p);
+               if (p != uq.buf) {
+                       strbuf_addstr(&uq, p);
+                       p = uq.buf;
+               }
                read_next_command();
-               strbuf_init(&buf, 0);
                cmd_data(&buf);
-               if (store_object(OBJ_BLOB, &buf, &last_blob, sha1, 0))
-                       strbuf_release(&buf);
+               store_object(OBJ_BLOB, &buf, &last_blob, sha1, 0);
        } else if (oe) {
                if (oe->type != OBJ_BLOB)
                        die("Not a blob (actually a %s): %s",
-                               command_buf.buf, typename(oe->type));
+                               typename(oe->type), command_buf.buf);
        } else {
                enum object_type type = sha1_object_info(sha1, NULL);
                if (type < 0)
@@ -1840,58 +1828,54 @@ static void file_change_m(struct branch *b)
        }
 
        tree_content_set(&b->branch_tree, p, sha1, S_IFREG | mode, NULL);
-       free(p_uq);
 }
 
 static void file_change_d(struct branch *b)
 {
        const char *p = command_buf.buf + 2;
-       char *p_uq;
+       static struct strbuf uq = STRBUF_INIT;
        const char *endp;
 
-       p_uq = unquote_c_style(p, &endp);
-       if (p_uq) {
+       strbuf_reset(&uq);
+       if (!unquote_c_style(&uq, p, &endp)) {
                if (*endp)
                        die("Garbage after path in: %s", command_buf.buf);
-               p = p_uq;
+               p = uq.buf;
        }
        tree_content_remove(&b->branch_tree, p, NULL);
-       free(p_uq);
 }
 
 static void file_change_cr(struct branch *b, int rename)
 {
        const char *s, *d;
-       char *s_uq, *d_uq;
+       static struct strbuf s_uq = STRBUF_INIT;
+       static struct strbuf d_uq = STRBUF_INIT;
        const char *endp;
        struct tree_entry leaf;
 
        s = command_buf.buf + 2;
-       s_uq = unquote_c_style(s, &endp);
-       if (s_uq) {
+       strbuf_reset(&s_uq);
+       if (!unquote_c_style(&s_uq, s, &endp)) {
                if (*endp != ' ')
                        die("Missing space after source: %s", command_buf.buf);
-       }
-       else {
+       } else {
                endp = strchr(s, ' ');
                if (!endp)
                        die("Missing space after source: %s", command_buf.buf);
-               s_uq = xmalloc(endp - s + 1);
-               memcpy(s_uq, s, endp - s);
-               s_uq[endp - s] = 0;
+               strbuf_add(&s_uq, s, endp - s);
        }
-       s = s_uq;
+       s = s_uq.buf;
 
        endp++;
        if (!*endp)
                die("Missing dest: %s", command_buf.buf);
 
        d = endp;
-       d_uq = unquote_c_style(d, &endp);
-       if (d_uq) {
+       strbuf_reset(&d_uq);
+       if (!unquote_c_style(&d_uq, d, &endp)) {
                if (*endp)
                        die("Garbage after dest in: %s", command_buf.buf);
-               d = d_uq;
+               d = d_uq.buf;
        }
 
        memset(&leaf, 0, sizeof(leaf));
@@ -1905,9 +1889,6 @@ static void file_change_cr(struct branch *b, int rename)
                leaf.versions[1].sha1,
                leaf.versions[1].mode,
                leaf.tree);
-
-       free(s_uq);
-       free(d_uq);
 }
 
 static void file_change_deleteall(struct branch *b)