From: Christopher Faulet <cfaulet@haproxy.com>
Date: Tue, 10 Mar 2026 07:09:12 +0000 (+0100)
Subject: MINOR: dynbuf: Add helper functions to alloc large and small buffers
X-Git-Tag: v3.4-dev8~136
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f8c96bf9cbaea5d5a955e431568e68783b204355;p=thirdparty%2Fhaproxy.git

MINOR: dynbuf: Add helper functions to alloc large and small buffers

b_alloc_small() and b_alloc_large() can now be used to alloc small or larger
buffers. For now, unlike default buffers, buffer_wait lists are not used.
---

diff --git a/include/haproxy/dynbuf.h b/include/haproxy/dynbuf.h
index d487e1068..c8d7a5bcd 100644
--- a/include/haproxy/dynbuf.h
+++ b/include/haproxy/dynbuf.h
@@ -200,6 +200,35 @@ static inline char *__b_get_emergency_buf(void)
 			__b_free((_buf));	\
 	} while (0)
 
+
+static inline struct buffer *b_alloc_small(struct buffer *buf)
+{
+	char *area = NULL;
+
+	if (!buf->size) {
+		area = pool_alloc(pool_head_small_buffer);
+		if (!area)
+			return NULL;
+		buf->area = area;
+		buf->size = global.tune.bufsize_small;
+	}
+	return buf;
+}
+
+static inline struct buffer *b_alloc_large(struct buffer *buf)
+{
+	char *area = NULL;
+
+	if (!buf->size) {
+		area = pool_alloc(pool_head_large_buffer);
+		if (!area)
+			return NULL;
+		buf->area = area;
+		buf->size = global.tune.bufsize_large;
+	}
+	return buf;
+}
+
 /* Offer one or multiple buffer currently belonging to target <from> to whoever
  * needs one. Any pointer is valid for <from>, including NULL. Its purpose is
  * to avoid passing a buffer to oneself in case of failed allocations (e.g.