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authorGravatar Christian Hesse <mail@eworm.de>2014-10-28 11:02:01 +0100
committerGravatar Christian Hesse <mail@eworm.de>2014-10-28 11:02:01 +0100
commit70f829ba4ac126ade96a4438c6451e62f7c9dafd (patch)
tree782b1fb29c83e558a6c75b5d47202bc8d836d537
parent7b79e28360e1b62dfbac95fd07d671be12697409 (diff)
downloadcqrlogo-70f829ba4ac126ade96a4438c6451e62f7c9dafd.tar.gz
cqrlogo-70f829ba4ac126ade96a4438c6451e62f7c9dafd.tar.zst
add some more HTTP headers
-rw-r--r--README.md3
-rw-r--r--cqrlogo.c5
-rw-r--r--lib/libcqrlogo.h4
3 files changed, 9 insertions, 3 deletions
diff --git a/README.md b/README.md
index 35f26ba..d5bd8ca 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,8 @@ your custom needs. This is minimal sample source code:
}
/* print HTTP header */
- fputs(CQR_MIMEHEADER, stdout);
+ fputs(CQR_HEADER_CONTENT_TYPE, stdout);
+ fputc('\n', stdout);
/* write PNG data to stdout */
if (fwrite(png->buffer, png->size, 1, stdout) != 1) {
diff --git a/cqrlogo.c b/cqrlogo.c
index 9ba947d..80b57e0 100644
--- a/cqrlogo.c
+++ b/cqrlogo.c
@@ -102,7 +102,10 @@ int main(int argc, char **argv) {
}
/* print HTTP header */
- fputs(CQR_MIMEHEADER, stdout);
+ fputs(CQR_HEADER_CONTENT_TYPE, stdout);
+ fputs(CQR_HEADER_CONTENT_DISPOSITION, stdout);
+ fputs(CQR_HEADER_PRAGMA, stdout);
+ fputc('\n', stdout);
/* write PNG data to stdout */
if (fwrite(png->buffer, png->size, 1, stdout) != 1) {
diff --git a/lib/libcqrlogo.h b/lib/libcqrlogo.h
index 0a8429b..eb945b1 100644
--- a/lib/libcqrlogo.h
+++ b/lib/libcqrlogo.h
@@ -42,7 +42,9 @@ struct cqr_conf {
bool overwrite;
};
-#define CQR_MIMEHEADER "Content-Type: image/png\n\n"
+#define CQR_HEADER_CONTENT_TYPE "Content-Type: image/png\n"
+#define CQR_HEADER_CONTENT_DISPOSITION "Content-Disposition: inline; filename=\"cqrlogo.png\"\n"
+#define CQR_HEADER_PRAGMA "Pragma: no-cache\n"
#define CQR_META_COMMENT 0x1
#define CQR_META_REFERER 0x2