From: Eric Biggers <ebiggers3@gmail.com>
Date: Tue, 21 May 2013 17:19:51 +0000 (-0500)
Subject: Allow adding an unnamed image
X-Git-Tag: v1.4.1~61
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=35f5614d21f94548119cc22b8ad0bcd3227cae10;hp=f69ae15310f292995d2f0838c91ee61b721c356c

Allow adding an unnamed image
---

diff --git a/include/wimlib.h b/include/wimlib.h
index b5dcd96d..e0219061 100644
--- a/include/wimlib.h
+++ b/include/wimlib.h
@@ -994,15 +994,15 @@ enum wimlib_error_code {
  *	Pointer to the ::WIMStruct for the WIM file to which the image is to be
  *	added.
  * @param name
- *	Name to give the new image.
+ *	Name to give the new image.  If @c NULL or empty, the new image is given
+ *	no name.  If nonempty, it must specify a name that does not already
+ *	exist in @a wim.
  * @param new_idx_ret
  *	If non-<code>NULL</code>, the index of the newly added image is returned
  *	in this location.
  *
  * @return 0 on success; nonzero on failure.  The possible error codes are:
  *
- * @retval ::WIMLIB_ERR_INVALID_PARAM
- *	@a name was @c NULL or an empty string.
  * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED
  *	@a wim is part of a split WIM.
  * @retval ::WIMLIB_ERR_IMAGE_NAME_COLLISION
@@ -1037,8 +1037,9 @@ wimlib_add_empty_image(WIMStruct *wim,
  * 	A path to a directory or unmounted NTFS volume that will be captured as
  * 	a WIM image.
  * @param name
- * 	The name to give the image.  It must be nonempty and must specify a name
- * 	that does not yet exist in @a wim.
+ *	Name to give the new image.  If @c NULL or empty, the new image is given
+ *	no name.  If nonempty, it must specify a name that does not already
+ *	exist in @a wim.
  * @param config
  * 	Capture configuration that specifies files, directories, or path globs
  * 	to exclude from being captured.  If @c NULL, a dummy configuration where
diff --git a/src/add_image.c b/src/add_image.c
index caffafeb..7dcee10b 100644
--- a/src/add_image.c
+++ b/src/add_image.c
@@ -77,11 +77,8 @@ wimlib_add_empty_image(WIMStruct *wim, const tchar *name, int *new_idx_ret)
 
 	DEBUG("Adding empty image \"%"TS"\"", name);
 
-	if (name == NULL || name[0] == T('\0')) {
-		ERROR("Must specify a non-empty string for the image name");
-		ret = WIMLIB_ERR_INVALID_PARAM;
-		goto out;
-	}
+	if (name == NULL)
+		name = T("");
 
 	if (wim->hdr.total_parts != 1) {
 		ERROR("Cannot add an image to a split WIM");