diff --git a/contrib/spoa_example/spoa.c b/contrib/spoa_example/spoa.c
index 7c6d504..8fb62e0 100644
--- a/contrib/spoa_example/spoa.c
+++ b/contrib/spoa_example/spoa.c
@@ -267,7 +267,7 @@
 	    (type & SPOE_DATA_T_MASK) != SPOE_DATA_T_UINT32 &&
 	    (type & SPOE_DATA_T_MASK) != SPOE_DATA_T_UINT64)
 		return -1;
-	if (spoe_decode_varint(&p, end, &sz) == -1)
+	if (decode_varint(&p, end, &sz) == -1)
 		return -1;
 
 	/* Keep the lower value */
@@ -453,7 +453,7 @@
 	    (type & SPOE_DATA_T_MASK) != SPOE_DATA_T_UINT32 &&
 	    (type & SPOE_DATA_T_MASK) != SPOE_DATA_T_UINT64)
 		return -1;
-	if (spoe_decode_varint(&p, end, &sz) == -1)
+	if (decode_varint(&p, end, &sz) == -1)
 		return -1;
 
 	frame->client->status_code = (unsigned int)sz;
@@ -709,9 +709,9 @@
 	}
 
 	/* Read the stream-id and frame-id */
-	if (spoe_decode_varint(&p, end, &stream_id) == -1)
+	if (decode_varint(&p, end, &stream_id) == -1)
 		goto ignore;
-	if (spoe_decode_varint(&p, end, &frame_id) == -1)
+	if (decode_varint(&p, end, &frame_id) == -1)
 		goto ignore;
 
 	frame->stream_id = (unsigned int)stream_id;
@@ -765,9 +765,9 @@
 	p+= 4;
 
 	/* Read the stream-id and frame-id */
-	if (spoe_decode_varint(&p, end, &stream_id) == -1)
+	if (decode_varint(&p, end, &stream_id) == -1)
 		goto ignore;
-	if (spoe_decode_varint(&p, end, &frame_id) == -1)
+	if (decode_varint(&p, end, &frame_id) == -1)
 		goto ignore;
 
 	if (frame->fragmented == false                  ||
@@ -842,7 +842,7 @@
 	/* "max-frame-size" K/V item */
 	spoe_encode_buffer("max-frame-size", 14, &p ,end);
 	*p++ = SPOE_DATA_T_UINT32;
-	spoe_encode_varint(client->max_frame_size, &p, end);
+	encode_varint(client->max_frame_size, &p, end);
 	DEBUG(frame->worker, "<%lu> Agent maximum frame size : %u",
 	      client->id, client->max_frame_size);
 
@@ -917,7 +917,7 @@
 	/* "status-code" K/V item */
 	spoe_encode_buffer("status-code", 11, &p, end);
 	*p++ = SPOE_DATA_T_UINT32;
-	spoe_encode_varint(client->status_code, &p, end);
+	encode_varint(client->status_code, &p, end);
 	DEBUG(frame->worker, "<%lu> Disconnect status code : %u",
 	      client->id, client->status_code);
 
@@ -956,8 +956,8 @@
 	p += 4;
 
 	/* Set stream-id and frame-id for ACK frames */
-	spoe_encode_varint(frame->stream_id, &p, end);
-	spoe_encode_varint(frame->frame_id, &p, end);
+	encode_varint(frame->stream_id, &p, end);
+	encode_varint(frame->frame_id, &p, end);
 
 	DEBUG(frame->worker, "STREAM-ID=%u - FRAME-ID=%u",
 	      frame->stream_id, frame->frame_id);
@@ -1369,7 +1369,7 @@
 		*p++ = SPOE_SCOPE_SESS;                        /* Arg 1: the scope */
 		spoe_encode_buffer("ip_score", 8, &p, end);    /* Arg 2: variable name */
 		*p++ = SPOE_DATA_T_UINT32;
-		spoe_encode_varint(frame->ip_score, &p, end); /* Arg 3: variable value */
+		encode_varint(frame->ip_score, &p, end); /* Arg 3: variable value */
 		frame->len = (p - frame->buf);
 	}
 	write_frame(NULL, frame);
diff --git a/include/common/standard.h b/include/common/standard.h
index 6827111..4ba6a95 100644
--- a/include/common/standard.h
+++ b/include/common/standard.h
@@ -205,6 +205,83 @@
 	return ret;
 }
 
+/* Encode the integer <i> into a varint (variable-length integer). The encoded
+ * value is copied in <*buf>. Here is the encoding format:
+ *
+ *        0 <= X < 240        : 1 byte  (7.875 bits)  [ XXXX XXXX ]
+ *      240 <= X < 2288       : 2 bytes (11 bits)     [ 1111 XXXX ] [ 0XXX XXXX ]
+ *     2288 <= X < 264432     : 3 bytes (18 bits)     [ 1111 XXXX ] [ 1XXX XXXX ]   [ 0XXX XXXX ]
+ *   264432 <= X < 33818864   : 4 bytes (25 bits)     [ 1111 XXXX ] [ 1XXX XXXX ]*2 [ 0XXX XXXX ]
+ * 33818864 <= X < 4328786160 : 5 bytes (32 bits)     [ 1111 XXXX ] [ 1XXX XXXX ]*3 [ 0XXX XXXX ]
+ * ...
+ *
+ * On success, it returns the number of written bytes and <*buf> is moved after
+ * the encoded value. Otherwise, it returns -1. */
+static inline int
+encode_varint(uint64_t i, char **buf, char *end)
+{
+	unsigned char *p = (unsigned char *)*buf;
+	int r;
+
+	if (p >= (unsigned char *)end)
+		return -1;
+
+	if (i < 240) {
+		*p++ = i;
+		*buf = (char *)p;
+		return 1;
+	}
+
+	*p++ = (unsigned char)i | 240;
+	i = (i - 240) >> 4;
+	while (i >= 128) {
+		if (p >= (unsigned char *)end)
+			return -1;
+		*p++ = (unsigned char)i | 128;
+		i = (i - 128) >> 7;
+	}
+
+	if (p >= (unsigned char *)end)
+		return -1;
+	*p++ = (unsigned char)i;
+
+	r    = ((char *)p - *buf);
+	*buf = (char *)p;
+	return r;
+}
+
+/* Decode a varint from <*buf> and save the decoded value in <*i>. See
+ * 'spoe_encode_varint' for details about varint.
+ * On success, it returns the number of read bytes and <*buf> is moved after the
+ * varint. Otherwise, it returns -1. */
+static inline int
+decode_varint(char **buf, char *end, uint64_t *i)
+{
+	unsigned char *p = (unsigned char *)*buf;
+	int r;
+
+	if (p >= (unsigned char *)end)
+		return -1;
+
+	*i = *p++;
+	if (*i < 240) {
+		*buf = (char *)p;
+		return 1;
+	}
+
+	r = 4;
+	do {
+		if (p >= (unsigned char *)end)
+			return -1;
+		*i += (uint64_t)*p << r;
+		r  += 7;
+	} while (*p++ >= 128);
+
+	r    = ((char *)p - *buf);
+	*buf = (char *)p;
+	return r;
+}
+
 /* returns a locally allocated string containing the quoted encoding of the
  * input string. The output may be truncated to QSTR_SIZE chars, but it is
  * guaranteed that the string will always be properly terminated. Quotes are
diff --git a/include/proto/spoe.h b/include/proto/spoe.h
index da19db1..1372a7d 100644
--- a/include/proto/spoe.h
+++ b/include/proto/spoe.h
@@ -22,87 +22,12 @@
 #ifndef _PROTO_SPOE_H
 #define _PROTO_SPOE_H
 
+#include <common/standard.h>
+
 #include <types/spoe.h>
 
 #include <proto/sample.h>
 
-
-/* Encode the integer <i> into a varint (variable-length integer). The encoded
- * value is copied in <*buf>. Here is the encoding format:
- *
- *        0 <= X < 240        : 1 byte  (7.875 bits)  [ XXXX XXXX ]
- *      240 <= X < 2288       : 2 bytes (11 bits)     [ 1111 XXXX ] [ 0XXX XXXX ]
- *     2288 <= X < 264432     : 3 bytes (18 bits)     [ 1111 XXXX ] [ 1XXX XXXX ]   [ 0XXX XXXX ]
- *   264432 <= X < 33818864   : 4 bytes (25 bits)     [ 1111 XXXX ] [ 1XXX XXXX ]*2 [ 0XXX XXXX ]
- * 33818864 <= X < 4328786160 : 5 bytes (32 bits)     [ 1111 XXXX ] [ 1XXX XXXX ]*3 [ 0XXX XXXX ]
- * ...
- *
- * On success, it returns the number of written bytes and <*buf> is moved after
- * the encoded value. Otherwise, it returns -1. */
-static inline int
-spoe_encode_varint(uint64_t i, char **buf, char *end)
-{
-	unsigned char *p = (unsigned char *)*buf;
-	int r;
-
-	if (p >= (unsigned char *)end)
-		return -1;
-
-	if (i < 240) {
-		*p++ = i;
-		*buf = (char *)p;
-		return 1;
-	}
-
-	*p++ = (unsigned char)i | 240;
-	i = (i - 240) >> 4;
-	while (i >= 128) {
-		if (p >= (unsigned char *)end)
-			return -1;
-		*p++ = (unsigned char)i | 128;
-		i = (i - 128) >> 7;
-	}
-
-	if (p >= (unsigned char *)end)
-		return -1;
-	*p++ = (unsigned char)i;
-
-	r    = ((char *)p - *buf);
-	*buf = (char *)p;
-	return r;
-}
-
-/* Decode a varint from <*buf> and save the decoded value in <*i>. See
- * 'spoe_encode_varint' for details about varint.
- * On success, it returns the number of read bytes and <*buf> is moved after the
- * varint. Otherwise, it returns -1. */
-static inline int
-spoe_decode_varint(char **buf, char *end, uint64_t *i)
-{
-	unsigned char *p = (unsigned char *)*buf;
-	int r;
-
-	if (p >= (unsigned char *)end)
-		return -1;
-
-	*i = *p++;
-	if (*i < 240) {
-		*buf = (char *)p;
-		return 1;
-	}
-
-	r = 4;
-	do {
-		if (p >= (unsigned char *)end)
-			return -1;
-		*i += (uint64_t)*p << r;
-		r  += 7;
-	} while (*p++ >= 128);
-
-	r    = ((char *)p - *buf);
-	*buf = (char *)p;
-	return r;
-}
 
 /* Encode a buffer. Its length <len> is encoded as a varint, followed by a copy
  * of <str>. It must have enough space in <*buf> to encode the buffer, else an
@@ -124,7 +49,7 @@
 		return 0;
 	}
 
-	ret = spoe_encode_varint(len, &p, end);
+	ret = encode_varint(len, &p, end);
 	if (ret == -1 || p + len > end)
 		return -1;
 
@@ -152,7 +77,7 @@
 		return 0;
 	}
 
-	ret = spoe_encode_varint(len, &p, end);
+	ret = encode_varint(len, &p, end);
 	if (ret == -1 || p >= end)
 		return -1;
 
@@ -176,7 +101,7 @@
 	*str = NULL;
 	*len = 0;
 
-	ret = spoe_decode_varint(&p, end, &sz);
+	ret = decode_varint(&p, end, &sz);
 	if (ret == -1 || p + sz > end)
 		return -1;
 
@@ -217,7 +142,7 @@
 
 		case SMP_T_SINT:
 			*p++ = SPOE_DATA_T_INT64;
-			if (spoe_encode_varint(smp->data.u.sint, &p, end) == -1)
+			if (encode_varint(smp->data.u.sint, &p, end) == -1)
 				return -1;
 			break;
 
@@ -313,7 +238,7 @@
  *
  * A types data is composed of a type (1 byte) and corresponding data:
  *  - boolean: non additional data (0 bytes)
- *  - integers: a variable-length integer (see spoe_decode_varint)
+ *  - integers: a variable-length integer (see decode_varint)
  *  - ipv4: 4 bytes
  *  - ipv6: 16 bytes
  *  - binary and string: a buffer prefixed by its size, a variable-length
@@ -337,7 +262,7 @@
 		case SPOE_DATA_T_INT64:
 		case SPOE_DATA_T_UINT32:
 		case SPOE_DATA_T_UINT64:
-			if (spoe_decode_varint(&p, end, &v) == -1)
+			if (decode_varint(&p, end, &v) == -1)
 				return -1;
 			break;
 		case SPOE_DATA_T_IPV4:
@@ -386,7 +311,7 @@
 		case SPOE_DATA_T_INT64:
 		case SPOE_DATA_T_UINT32:
 		case SPOE_DATA_T_UINT64:
-			if (spoe_decode_varint(&p, end, (uint64_t *)&smp->data.u.sint) == -1)
+			if (decode_varint(&p, end, (uint64_t *)&smp->data.u.sint) == -1)
 				return -1;
 			smp->data.type = SMP_T_SINT;
 			break;
diff --git a/src/flt_spoe.c b/src/flt_spoe.c
index 42e9c0c..9288de9 100644
--- a/src/flt_spoe.c
+++ b/src/flt_spoe.c
@@ -388,7 +388,7 @@
 		goto too_big;
 
 	*p++ = SPOE_DATA_T_UINT32;
-	if (spoe_encode_varint(SPOE_APPCTX(appctx)->max_frame_size, &p, end) == -1)
+	if (encode_varint(SPOE_APPCTX(appctx)->max_frame_size, &p, end) == -1)
 		goto too_big;
 
 	/* "capabilities" K/V item */
@@ -469,7 +469,7 @@
 		goto too_big;
 
 	*p++ = SPOE_DATA_T_UINT32;
-	if (spoe_encode_varint(SPOE_APPCTX(appctx)->status_code, &p, end) == -1)
+	if (encode_varint(SPOE_APPCTX(appctx)->status_code, &p, end) == -1)
 		goto too_big;
 
 	/* "message" K/V item */
@@ -527,9 +527,9 @@
 	p += 4;
 
 	/* Set stream-id and frame-id */
-	if (spoe_encode_varint(stream_id, &p, end) == -1)
+	if (encode_varint(stream_id, &p, end) == -1)
 		goto too_big;
-	if (spoe_encode_varint(frame_id, &p, end) == -1)
+	if (encode_varint(frame_id, &p, end) == -1)
 		goto too_big;
 
 	/* Copy encoded messages, if possible */
@@ -583,9 +583,9 @@
 	p += 4;
 
 	/* Set stream-id and frame-id */
-	if (spoe_encode_varint(stream_id, &p, end) == -1)
+	if (encode_varint(stream_id, &p, end) == -1)
 		goto too_big;
-	if (spoe_encode_varint(frame_id, &p, end) == -1)
+	if (encode_varint(frame_id, &p, end) == -1)
 		goto too_big;
 
 	if (ctx == NULL)
@@ -706,7 +706,7 @@
 				SPOE_APPCTX(appctx)->status_code = SPOE_FRM_ERR_INVALID;
 				return 0;
 			}
-			if (spoe_decode_varint(&p, end, &sz) == -1) {
+			if (decode_varint(&p, end, &sz) == -1) {
 				SPOE_APPCTX(appctx)->status_code = SPOE_FRM_ERR_INVALID;
 				return 0;
 			}
@@ -858,7 +858,7 @@
 				SPOE_APPCTX(appctx)->status_code = SPOE_FRM_ERR_INVALID;
 				return 0;
 			}
-			if (spoe_decode_varint(&p, end, &sz) == -1) {
+			if (decode_varint(&p, end, &sz) == -1) {
 				SPOE_APPCTX(appctx)->status_code = SPOE_FRM_ERR_INVALID;
 				return 0;
 			}
@@ -935,11 +935,11 @@
 	}
 
 	/* Get the stream-id and the frame-id */
-	if (spoe_decode_varint(&p, end, &stream_id) == -1) {
+	if (decode_varint(&p, end, &stream_id) == -1) {
 		SPOE_APPCTX(appctx)->status_code = SPOE_FRM_ERR_INVALID;
 		return 0;
 	}
-	if (spoe_decode_varint(&p, end, &frame_id) == -1) {
+	if (decode_varint(&p, end, &frame_id) == -1) {
 		SPOE_APPCTX(appctx)->status_code = SPOE_FRM_ERR_INVALID;
 		return 0;
 	}