sequencer: simplify memory allocation of get_message

diff --git a/setup.c b/setup.c
index d34372520b05a2acee36f02ddc2ef68dde4b65fd..669062a0906ce7a78810582332a2b6bb72c3d0c5 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -88,7 +88,7 @@ char *prefix_path_gently(const char *prefix, int len,
        const char *orig = path;
        char *sanitized;
        if (is_absolute_path(orig)) {
-               sanitized = xmalloc(strlen(path) + 1);
+               sanitized = xmallocz(strlen(path));
                if (remaining_prefix)
                        *remaining_prefix = 0;
                if (normalize_path_copy_len(sanitized, path, remaining_prefix)) {
@@ -312,6 +312,23 @@ int is_git_directory(const char *suspect)
        return ret;
 }
 
+int is_nonbare_repository_dir(struct strbuf *path)
+{
+       int ret = 0;
+       int gitfile_error;
+       size_t orig_path_len = path->len;
+       assert(orig_path_len != 0);
+       strbuf_complete(path, '/');
+       strbuf_addstr(path, ".git");
+       if (read_gitfile_gently(path->buf, &gitfile_error) || is_git_directory(path->buf))
+               ret = 1;
+       if (gitfile_error == READ_GITFILE_ERR_OPEN_FAILED ||
+           gitfile_error == READ_GITFILE_ERR_READ_FAILED)
+               ret = 1;
+       strbuf_setlen(path, orig_path_len);
+       return ret;
+}
+
 int is_inside_git_dir(void)
 {
        if (inside_git_dir < 0)
@@ -482,14 +499,13 @@ const char *read_gitfile_gently(const char *path, int *return_error_code)
                error_code = READ_GITFILE_ERR_OPEN_FAILED;
                goto cleanup_return;
        }
-       buf = xmalloc(st.st_size + 1);
+       buf = xmallocz(st.st_size);
        len = read_in_full(fd, buf, st.st_size);
        close(fd);
        if (len != st.st_size) {
                error_code = READ_GITFILE_ERR_READ_FAILED;
                goto cleanup_return;
        }
-       buf[len] = '\0';
        if (!starts_with(buf, "gitdir: ")) {
                error_code = READ_GITFILE_ERR_INVALID_FORMAT;
                goto cleanup_return;