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Don't assume that the byterange filter will always be called more than

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once.  It is perfectly legal to call the byterange filter one time,
with all the data.  Without this patch, that case will seg fault.
Submitted by:	Ryan Morgan <rmogran@covalent.net>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88320 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Ryan Bloom
2001-02-25 16:57:08 +00:00
parent c200a5ea11
commit c03d4e0715
2 changed files with 15 additions and 5 deletions
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12
modules/http/http_protocol.c
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@@ -280,10 +280,14 @@ AP_CORE_DECLARE_NONSTD(apr_status_t) ap_byterange_filter(
NULL);
ap_xlate_proto_to_ascii(bound_head, strlen(bound_head));
/* concat the passed brigade with our saved brigade */
APR_BRIGADE_CONCAT(ctx->bb, bb);
bb = ctx->bb;
ctx->bb = NULL; /* ### strictly necessary? call brigade_destroy? */
/* If we have a saved brigade from a previous run, concat the passed
* brigade with our saved brigade. Otherwise just continue.
*/
if (ctx->bb) {
APR_BRIGADE_CONCAT(ctx->bb, bb);
bb = ctx->bb;
ctx->bb = NULL; /* ### strictly necessary? call brigade_destroy? */
}
/* It is possible that we won't have a content length yet, so we have to
* compute the length before we can actually do the byterange work.