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Viewing changes to src/http/modules/ngx_http_empty_gif_module.c

  • Committer: Package Import Robot
  • Author(s): Kartik Mistry
  • Date: 2013-04-25 12:51:45 UTC
  • mfrom: (1.3.28)
  • mto: (1.3.29) (15.1.2 experimental)
  • mto: This revision was merged to the branch mainline in revision 64.
  • Revision ID: package-import@ubuntu.com-20130425125145-ugl0wor6bq0u5eae
Tags: upstream-1.4.0
Import upstream version 1.4.0

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src/http/modules/ngx_http_empty_gif_module.c
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/*
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 * Copyright (C) Igor Sysoev
 
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 * Copyright (C) Nginx, Inc.
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 */
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#include <ngx_config.h>
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};
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static ngx_str_t  ngx_http_gif_type = ngx_string("image/gif");
 
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static ngx_int_t
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ngx_http_empty_gif_handler(ngx_http_request_t *r)
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{
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    ngx_int_t     rc;
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    ngx_buf_t    *b;
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    ngx_chain_t   out;
 
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    ngx_http_complex_value_t  cv;
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    if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
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        return NGX_HTTP_NOT_ALLOWED;
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    }
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    rc = ngx_http_discard_request_body(r);
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    if (rc != NGX_OK) {
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        return rc;
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    }
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    r->headers_out.content_type.len = sizeof("image/gif") - 1;
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    r->headers_out.content_type.data = (u_char *) "image/gif";
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    if (r->method == NGX_HTTP_HEAD) {
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        r->headers_out.status = NGX_HTTP_OK;
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        r->headers_out.content_length_n = sizeof(ngx_empty_gif);
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        r->headers_out.last_modified_time = 23349600;
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        return ngx_http_send_header(r);
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    }
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    b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
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    if (b == NULL) {
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        return NGX_HTTP_INTERNAL_SERVER_ERROR;
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    }
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    out.buf = b;
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    out.next = NULL;
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    b->pos = ngx_empty_gif;
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    b->last = ngx_empty_gif + sizeof(ngx_empty_gif);
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    b->memory = 1;
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    b->last_buf = 1;
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    r->headers_out.status = NGX_HTTP_OK;
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    r->headers_out.content_length_n = sizeof(ngx_empty_gif);
 
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    ngx_memzero(&cv, sizeof(ngx_http_complex_value_t));
 
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    cv.value.len = sizeof(ngx_empty_gif);
 
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    cv.value.data = ngx_empty_gif;
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    r->headers_out.last_modified_time = 23349600;
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    rc = ngx_http_send_header(r);
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    if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
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        return rc;
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    }
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    return ngx_http_output_filter(r, &out);
 
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    return ngx_http_send_response(r, NGX_HTTP_OK, &ngx_http_gif_type, &cv);
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}
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