[patch] git: fix memory leak in write-tree.c

[Ingo Molnar]

this patch fixes a memory leak in write-tree.c's write_tree() function - 
we didnt free the temporary output buffer. Depending on the size of the 
tree written out this could leak a significant amount of RAM.

        Ingo

Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>

--- write-tree.c.orig
+++ write-tree.c
@@ -33,12 +33,12 @@ static int write_tree(struct cache_entry
 {
        unsigned char subdir_sha1[20];
        unsigned long size, offset;
-       char *buffer;
+       char *buffer0, *buffer;
        int i, nr;
 
        /* Guess at some random initial size */
        size = 8192;
-       buffer = malloc(size);
+       buffer0 = buffer = malloc(size);
        offset = ORIG_OFFSET;
 
        nr = 0;
@@ -97,6 +97,8 @@ static int write_tree(struct cache_entry
        offset -= i;
 
        write_sha1_file(buffer, offset, returnsha1);
+       free(buffer0);
+
        return nr;
 }
 
-
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