!42 backport patch for clang compilation

From: @liyunfei33 
Reviewed-by: @HuaxinLuGitee 
Signed-off-by: @HuaxinLuGitee

backport-sample-Rename-dprint-function.patch

@@ -0,0 +1,157 @@
+From b0a587383e0d4e9852ec973accc0854a10b0f128 Mon Sep 17 00:00:00 2001
+From: Bastian Germann <bage@debian.org>
+Date: Fri, 21 Jul 2023 23:20:45 +0200
+Subject: [PATCH] sample: Rename dprint function
+
+The function name collides with a macro defined by glibc for gcc < 4.3
+and clang. Rename to prevent that.
+
+Fixes #657
+
+Signed-off-by: Bastian Germann <bage@debian.org>
+---
+ sample/client.c | 12 ++++++------
+ sample/common.c |  2 +-
+ sample/common.h |  2 +-
+ sample/server.c | 16 ++++++++--------
+ 4 files changed, 16 insertions(+), 16 deletions(-)
+
+diff --git a/sample/client.c b/sample/client.c
+index bc8e3dc2..acb289fb 100644
+--- a/sample/client.c
++++ b/sample/client.c
+@@ -252,9 +252,9 @@ int mysasl_negotiate(FILE *in, FILE *out, sasl_conn_t *conn)
+     int r, c;
+ 
+     /* get the capability list */
+-    dprintf(0, "receiving capability list... ");
++    debug_printf(0, "receiving capability list... ");
+     len = recv_string(in, buf, sizeof buf);
+-    dprintf(0, "%s\n", buf);
++    debug_printf(0, "%s\n", buf);
+ 
+     if (mech) {
+ 	/* make sure that 'mech' appears in 'buf' */
+@@ -273,7 +273,7 @@ int mysasl_negotiate(FILE *in, FILE *out, sasl_conn_t *conn)
+ 	return -1;
+     }
+     
+-    dprintf(1, "using mechanism %s\n", chosenmech);
++    debug_printf(1, "using mechanism %s\n", chosenmech);
+ 
+     /* we send up to 3 strings;
+        the mechanism chosen, the presence of initial response,
+@@ -287,7 +287,7 @@ int mysasl_negotiate(FILE *in, FILE *out, sasl_conn_t *conn)
+     }
+ 
+     for (;;) {
+-	dprintf(2, "waiting for server reply...\n");
++	debug_printf(2, "waiting for server reply...\n");
+ 
+ 	c = fgetc(in);
+ 	switch (c) {
+@@ -314,10 +314,10 @@ int mysasl_negotiate(FILE *in, FILE *out, sasl_conn_t *conn)
+ 	}
+ 
+ 	if (data) {
+-	    dprintf(2, "sending response length %d...\n", len);
++	    debug_printf(2, "sending response length %d...\n", len);
+ 	    send_string(out, data, len);
+ 	} else {
+-	    dprintf(2, "sending null response...\n");
++	    debug_printf(2, "sending null response...\n");
+ 	    send_string(out, "", 0);
+ 	}
+     }
+diff --git a/sample/common.c b/sample/common.c
+index 712549fd..9ae1cc3f 100644
+--- a/sample/common.c
++++ b/sample/common.c
+@@ -127,7 +127,7 @@ int recv_string(FILE *f, char *buf, int buflen)
+ 
+ int debuglevel = 0;
+ 
+-int dprintf(int lvl, const char *fmt, ...)
++int debug_printf(int lvl, const char *fmt, ...)
+ {
+     va_list ap;
+     int ret = 0;
+diff --git a/sample/common.h b/sample/common.h
+index 819d0101..9f53e724 100644
+--- a/sample/common.h
++++ b/sample/common.h
+@@ -43,7 +43,7 @@ extern int send_string(FILE *f, const char *s, int l);
+ extern int recv_string(FILE *f, char *buf, int buflen);
+ 
+ extern int debuglevel;
+-extern int dprintf(int lvl, const char *fmt, ...);
++extern int debug_printf(int lvl, const char *fmt, ...);
+ 
+ extern void saslerr(int why, const char *what);
+ extern void saslfail(int why, const char *what);
+diff --git a/sample/server.c b/sample/server.c
+index 262b0178..43974765 100644
+--- a/sample/server.c
++++ b/sample/server.c
+@@ -227,17 +227,17 @@ int mysasl_negotiate(FILE *in, FILE *out, sasl_conn_t *conn)
+     
+     /* generate the capability list */
+     if (mech) {
+-	dprintf(2, "forcing use of mechanism %s\n", mech);
++	debug_printf(2, "forcing use of mechanism %s\n", mech);
+ 	data = strdup(mech);
+ 	len = strlen(data);
+     } else {
+ 	int count;
+ 
+-	dprintf(1, "generating client mechanism list... ");
++	debug_printf(1, "generating client mechanism list... ");
+ 	r = sasl_listmech(conn, NULL, NULL, " ", NULL,
+ 			  &data, (unsigned int *) &len, &count);
+ 	if (r != SASL_OK) saslfail(r, "generating mechanism list");
+-	dprintf(1, "%d mechanisms\n", count);
++	debug_printf(1, "%d mechanisms\n", count);
+     }
+ 
+     /* send capability list to client */
+@@ -245,7 +245,7 @@ int mysasl_negotiate(FILE *in, FILE *out, sasl_conn_t *conn)
+     if (mech)
+ 	free((void *) data);
+ 
+-    dprintf(1, "waiting for client mechanism...\n");
++    debug_printf(1, "waiting for client mechanism...\n");
+     len = recv_string(in, chosenmech, sizeof chosenmech);
+     if (len <= 0) {
+ 	printf("client didn't choose mechanism\n");
+@@ -290,16 +290,16 @@ int mysasl_negotiate(FILE *in, FILE *out, sasl_conn_t *conn)
+ 
+     while (r == SASL_CONTINUE) {
+ 	if (data) {
+-	    dprintf(2, "sending response length %d...\n", len);
++	    debug_printf(2, "sending response length %d...\n", len);
+ 	    fputc('C', out); /* send CONTINUE to client */
+ 	    send_string(out, data, len);
+ 	} else {
+-	    dprintf(2, "sending null response...\n");
++	    debug_printf(2, "sending null response...\n");
+ 	    fputc('C', out); /* send CONTINUE to client */
+ 	    send_string(out, "", 0);
+ 	}
+ 
+-	dprintf(1, "waiting for client reply...\n");
++	debug_printf(1, "waiting for client reply...\n");
+ 	len = recv_string(in, buf, sizeof buf);
+ 	if (len < 0) {
+ 	    printf("client disconnected\n");
+@@ -324,7 +324,7 @@ int mysasl_negotiate(FILE *in, FILE *out, sasl_conn_t *conn)
+ 
+     fputc('O', out); /* send OK to client */
+     fflush(out);
+-    dprintf(1, "negotiation complete\n");
++    debug_printf(1, "negotiation complete\n");
+ 
+     r = sasl_getprop(conn, SASL_USERNAME, (const void **) &userid);
+     printf("successful authentication '%s'\n", userid);
+-- 
+2.42.0.windows.2
+

cyrus-sasl.spec

@@ -6,7 +6,7 @@
 
 Name: cyrus-sasl
 Version: 2.1.28
-Release: 1
+Release: 2
 Summary: The Cyrus SASL API Implementation
 
 License: BSD with advertising
@@ -16,6 +16,7 @@ Source1: saslauthd.service
 Source2: saslauthd.sysconfig
 
 Patch1:  backport-Fix-earlier-554-commit-to-use-fetch_errno-instead-of.patch
+Patch2:  backport-sample-Rename-dprint-function.patch
 
 BuildRequires: autoconf, automake, libtool, gdbm-devel, groff
 BuildRequires: krb5-devel >= 1.2.2, openssl-devel, pam-devel, pkgconfig
@@ -258,6 +259,9 @@ getent passwd %{username} >/dev/null || useradd -r -g %{username} -d %{homedir}
 
 
 %changelog
+* Thu Feb 1 2024 liyunfei<liyunfei33@huawei.com> - 2.1.28-2
+- backport fix for dprintf
+
 * Tue Oct 25 2022 yixiangzhike <yixiangzhike007@163.com> - 2.1.28-1
 - update to 2.1.28