From 17c382d1c9d7236c101418060758d2296cc5e17e Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Sat, 5 Aug 2023 11:51:25 +0000
Subject: Initial commit

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 src/libtipidee/tipidee_headers_get_content_length.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/libtipidee/tipidee_headers_get_content_length.c

(limited to 'src/libtipidee/tipidee_headers_get_content_length.c')

diff --git a/src/libtipidee/tipidee_headers_get_content_length.c b/src/libtipidee/tipidee_headers_get_content_length.c
new file mode 100644
index 0000000..0b29ece
--- /dev/null
+++ b/src/libtipidee/tipidee_headers_get_content_length.c
@@ -0,0 +1,17 @@
+/* ISC license. */
+
+#include <stddef.h>
+#include <limits.h>
+
+#include <skalibs/types.h>
+
+#include <tipidee/headers.h>
+
+ssize_t tipidee_headers_get_content_length (tipidee_headers const *hdr)
+{
+  size_t n ;
+  char const *x = tipidee_headers_search(hdr, "Content-Length") ;
+  if (!x) return 0 ;
+  if (!size0_scan(x, &n) || n > SSIZE_MAX) return -1 ;
+  return n ;
+}
-- 
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