add helper to get blob from a uint32 case of a VCL_INT

README.rst

@@ -207,6 +207,7 @@ CONTENTS
 * hmac(ENUM {MD5,SHA1,SHA224,SHA256,SHA384,SHA512,SHA3_224,SHA3_256,SHA3_384,SHA3_512}, BLOB)
 * BLOB hmacf(ENUM {MD5,SHA1,SHA224,SHA256,SHA384,SHA512,SHA3_224,SHA3_256,SHA3_384,SHA3_512}, BLOB, BLOB)
 * STRING version()
+* BLOB _uint32blob(INT)
 
 .. _obj_digest:
 
@@ -518,6 +519,17 @@ Example::
 
 	std.log("Using VMOD blobdigest version " + blobdigest.version());
 
+.. _func__uint32blob:
+
+_uint32blob
+-----------
+
+::
+
+	BLOB _uint32blob(INT)
+
+Intentionally undocumented, transitional helper only
+
 REQUIREMENTS
 ============
 

src/vmod_blobdigest.c

@@ -590,3 +590,25 @@ vmod_version(VRT_CTX __attribute__((unused)))
 {
 	return VERSION;
 }
+
+/* vend.h is varinshd private */
+static __inline void
+vbe32enc(void *pp, uint32_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	p[0] = (u >> 24) & 0xff;
+	p[1] = (u >> 16) & 0xff;
+	p[2] = (u >> 8) & 0xff;
+	p[3] = u & 0xff;
+}
+
+VCL_BLOB
+vmod__uint32blob(VRT_CTX, VCL_INT i)
+{
+	uint32_t	ui = (uint32_t)i;
+	uint8_t	be[sizeof ui];
+
+	vbe32enc(be, ui);
+	return (VRT_blob(ctx, "uint32blob", be, sizeof be));
+}

src/vmod_blobdigest.vcc

@@ -445,6 +445,10 @@ Example::
 
 	std.log("Using VMOD blobdigest version " + blobdigest.version());
 
+$Function BLOB _uint32blob(INT)
+
+Intentionally undocumented, transitional helper only
+
 REQUIREMENTS
 ============