update-ref.c: extract a new function, parse_next_sha1()

diff --git a/abspath.c b/abspath.c
index e390994abff32054452e878484e79c249474389f..ca33558a91c5259a793fc56b571fa683e16b134f 100644 (file)
--- a/abspath.c
+++ b/abspath.c
@@ -143,7 +143,7 @@ static const char *real_path_internal(const char *path, int die_on_error)
 error_out:
        free(last_elem);
        if (*cwd && chdir(cwd))
-               die_errno ("Could not change back to '%s'", cwd);
+               die_errno("Could not change back to '%s'", cwd);
 
        return retval;
 }
@@ -215,23 +215,25 @@ const char *absolute_path(const char *path)
  */
 const char *prefix_filename(const char *pfx, int pfx_len, const char *arg)
 {
-       static char path[PATH_MAX];
+       static struct strbuf path = STRBUF_INIT;
 #ifndef GIT_WINDOWS_NATIVE
        if (!pfx_len || is_absolute_path(arg))
                return arg;
-       memcpy(path, pfx, pfx_len);
-       strcpy(path + pfx_len, arg);
+       strbuf_reset(&path);
+       strbuf_add(&path, pfx, pfx_len);
+       strbuf_addstr(&path, arg);
 #else
        char *p;
        /* don't add prefix to absolute paths, but still replace '\' by '/' */
+       strbuf_reset(&path);
        if (is_absolute_path(arg))
                pfx_len = 0;
        else if (pfx_len)
-               memcpy(path, pfx, pfx_len);
-       strcpy(path + pfx_len, arg);
-       for (p = path + pfx_len; *p; p++)
+               strbuf_add(&path, pfx, pfx_len);
+       strbuf_addstr(&path, arg);
+       for (p = path.buf + pfx_len; *p; p++)
                if (*p == '\\')
                        *p = '/';
 #endif
-       return path;
+       return path.buf;
 }