sha1_get_pack_name: use a strbuf

diff --git a/http-push.c b/http-push.c
index c98dad23dfd86875209295fadda39c1f1b4f5224..e501c282e67f3552357dd801c0c52458057022bf 100644 (file)
--- a/http-push.c
+++ b/http-push.c
@@ -361,7 +361,7 @@ static void start_put(struct transfer_request *request)
        git_zstream stream;
 
        unpacked = read_sha1_file(request->obj->sha1, &type, &len);
-       hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
+       hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(type), len) + 1;
 
        /* Set it up */
        git_deflate_init(&stream, zlib_compression_level);
@@ -786,21 +786,21 @@ xml_start_tag(void *userData, const char *name, const char **atts)
 {
        struct xml_ctx *ctx = (struct xml_ctx *)userData;
        const char *c = strchr(name, ':');
-       int new_len;
+       int old_namelen, new_len;
 
        if (c == NULL)
                c = name;
        else
                c++;
 
-       new_len = strlen(ctx->name) + strlen(c) + 2;
+       old_namelen = strlen(ctx->name);
+       new_len = old_namelen + strlen(c) + 2;
 
        if (new_len > ctx->len) {
                ctx->name = xrealloc(ctx->name, new_len);
                ctx->len = new_len;
        }
-       strcat(ctx->name, ".");
-       strcat(ctx->name, c);
+       xsnprintf(ctx->name + old_namelen, ctx->len - old_namelen, ".%s", c);
 
        free(ctx->cdata);
        ctx->cdata = NULL;
@@ -881,7 +881,7 @@ static struct remote_lock *lock_remote(const char *path, long timeout)
        strbuf_addf(&out_buffer.buf, LOCK_REQUEST, escaped);
        free(escaped);
 
-       sprintf(timeout_header, "Timeout: Second-%ld", timeout);
+       xsnprintf(timeout_header, sizeof(timeout_header), "Timeout: Second-%ld", timeout);
        dav_headers = curl_slist_append(dav_headers, timeout_header);
        dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
 
@@ -1459,8 +1459,6 @@ static void add_remote_info_ref(struct remote_ls_ctx *ls)
 {
        struct strbuf *buf = (struct strbuf *)ls->userData;
        struct object *o;
-       int len;
-       char *ref_info;
        struct ref *ref;
 
        ref = alloc_ref(ls->dentry_name);
@@ -1484,23 +1482,14 @@ static void add_remote_info_ref(struct remote_ls_ctx *ls)
                return;
        }
 
-       len = strlen(ls->dentry_name) + 42;
-       ref_info = xcalloc(len + 1, 1);
-       sprintf(ref_info, "%s   %s\n",
-               sha1_to_hex(ref->old_sha1), ls->dentry_name);
-       fwrite_buffer(ref_info, 1, len, buf);
-       free(ref_info);
+       strbuf_addf(buf, "%s\t%s\n",
+                   sha1_to_hex(ref->old_sha1), ls->dentry_name);
 
        if (o->type == OBJ_TAG) {
                o = deref_tag(o, ls->dentry_name, 0);
-               if (o) {
-                       len = strlen(ls->dentry_name) + 45;
-                       ref_info = xcalloc(len + 1, 1);
-                       sprintf(ref_info, "%s   %s^{}\n",
-                               sha1_to_hex(o->sha1), ls->dentry_name);
-                       fwrite_buffer(ref_info, 1, len, buf);
-                       free(ref_info);
-               }
+               if (o)
+                       strbuf_addf(buf, "%s\t%s^{}\n",
+                                   sha1_to_hex(o->sha1), ls->dentry_name);
        }
        free(ref);
 }