From 94605ebb2ff85f86e3071dd98afdc0708956036e Mon Sep 17 00:00:00 2001 From: Igor Sysoev Date: Fri, 5 Jun 2009 07:29:47 +0000 Subject: [PATCH] test GIF87a --- src/http/modules/ngx_http_image_filter_module.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/http/modules/ngx_http_image_filter_module.c b/src/http/modules/ngx_http_image_filter_module.c index b0e5fed6b..469d703f6 100644 --- a/src/http/modules/ngx_http_image_filter_module.c +++ b/src/http/modules/ngx_http_image_filter_module.c @@ -383,11 +383,12 @@ ngx_http_image_test(ngx_http_request_t *r, ngx_chain_t *in) return NGX_HTTP_IMAGE_JPEG; } else if (p[0] == 'G' && p[1] == 'I' && p[2] == 'F' && p[3] == '8' - && p[4] == '9' && p[5] == 'a') + && p[5] == 'a') { - /* GIF */ - - return NGX_HTTP_IMAGE_GIF; + if (p[4] == '9' || p[4] == '7') { + /* GIF */ + return NGX_HTTP_IMAGE_GIF; + } } else if (p[0] == 0x89 && p[1] == 'P' && p[2] == 'N' && p[3] == 'G' && p[4] == 0x0d && p[5] == 0x0a && p[6] == 0x1a && p[7] == 0x0a)