From: Eric Biggers <ebiggers3@gmail.com>
Date: Thu, 25 Apr 2013 04:07:31 +0000 (-0500)
Subject: Win32: Do not create lookup table entries for 0 length streams
X-Git-Tag: v1.3.3~36
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=16aab5992bfe8c33e2815b4ce5c9ebd7ec130c21;hp=cbeb81145e2532bfcf3f5e58c6be000615f54953

Win32: Do not create lookup table entries for 0 length streams
---

diff --git a/src/win32.c b/src/win32.c
index 10f28b3d..1b2aeffe 100644
--- a/src/win32.c
+++ b/src/win32.c
@@ -876,6 +876,12 @@ win32_capture_stream(const wchar_t *path,
 		}
 	}
 
+	/* If zero length stream, no lookup table entry needed. */
+	if ((u64)dat->StreamSize.QuadPart == 0) {
+		ret = 0;
+		goto out;
+	}
+
 	/* Create a UTF-16LE string @spath that gives the filename, then a
 	 * colon, then the stream name.  Or, if it's an unnamed stream, just the
 	 * filename.  It is MALLOC()'ed so that it can be saved in the
diff --git a/src/write.c b/src/write.c
index 311eff9c..8b094490 100644
--- a/src/write.c
+++ b/src/write.c
@@ -94,6 +94,8 @@ begin_wim_resource_chunk_tab(const struct wim_lookup_table_entry *lte,
 	size_t alloc_size = sizeof(struct chunk_table) + num_chunks * sizeof(u64);
 	struct chunk_table *chunk_tab = CALLOC(1, alloc_size);
 
+	DEBUG("Begin chunk table for stream with size %"PRIu64, size);
+
 	if (!chunk_tab) {
 		ERROR("Failed to allocate chunk table for %"PRIu64" byte "
 		      "resource", size);