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Sub filter: fixed incomplete last buffer on partial match.

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If a pattern was partially matched at a response end, partially matched
string wasn't send.  E.g., a response "fo" was truncated to an empty response
if partially mathed by a pattern "foo".
This commit is contained in:
Maxim Dounin 2013-07-25 14:54:48 +04:00
parent 68fab7c8c4
commit ce7a5a0537
1 changed files with 20 additions and 0 deletions
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20
src/http/modules/ngx_http_sub_filter_module.c
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@ -369,6 +369,26 @@ ngx_http_sub_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
continue; continue;
} }
if (ctx->buf->last_buf && ctx->looked.len) {
cl = ngx_chain_get_free_buf(r->pool, &ctx->free);
if (cl == NULL) {
return NGX_ERROR;
}
b = cl->buf;
ngx_memzero(b, sizeof(ngx_buf_t));
b->pos = ctx->looked.data;
b->last = b->pos + ctx->looked.len;
b->memory = 1;
*ctx->last_out = cl;
ctx->last_out = &cl->next;
ctx->looked.len = 0;
}
if (ctx->buf->last_buf || ctx->buf->flush if (ctx->buf->last_buf || ctx->buf->flush
|| ngx_buf_in_memory(ctx->buf)) || ngx_buf_in_memory(ctx->buf))
{ {