improve configuration error message

cyrus-sasl-2.1.26-config-error.patch

@@ -0,0 +1,46 @@
+diff --git a/include/sasl.h b/include/sasl.h
+index d52269f..ed208a5 100644
+--- a/include/sasl.h
++++ b/include/sasl.h
+@@ -177,6 +177,7 @@
+ 				       because of some constrains/policy violation */
+ 
+ #define SASL_BADBINDING -32  /* channel binding failure */
++#define SASL_CONFIGERR  -100 /* error when parsing configuration file */
+ 
+ /* max size of a sasl mechanism name */
+ #define SASL_MECHNAMEMAX 20
+diff --git a/lib/common.c b/lib/common.c
+index e0f59eb..1a1715e 100644
+--- a/lib/common.c
++++ b/lib/common.c
+@@ -1362,6 +1362,7 @@ const char *sasl_errstring(int saslerr,
+     case SASL_CONSTRAINT_VIOLAT: return "sasl_setpass can't store a property because "
+ 			        "of a constraint violation";
+     case SASL_BADBINDING: return "channel binding failure";
++    case SASL_CONFIGERR:  return "error when parsing configuration file";
+ 
+     default:   return "undefined error!";
+     }
+diff --git a/lib/config.c b/lib/config.c
+index 7cae302..fde3757 100644
+--- a/lib/config.c
++++ b/lib/config.c
+@@ -91,7 +91,7 @@ int sasl_config_init(const char *filename)
+ 	}
+ 	if (*p != ':') {
+ 	    fclose(infile);
+-	    return SASL_FAIL;
++	    return SASL_CONFIGERR;
+ 	}
+ 	*p++ = '\0';
+ 
+@@ -99,7 +99,7 @@ int sasl_config_init(const char *filename)
+ 	
+ 	if (!*p) {
+ 	    fclose(infile);
+-	    return SASL_FAIL;
++	    return SASL_CONFIGERR;
+ 	}
+ 
+ 	/* Now strip trailing spaces, if any */

cyrus-sasl.spec

@@ -50,6 +50,8 @@ Patch49: cyrus-sasl-2.1.26-md5global.patch
 Patch50: cyrus-sasl-2.1.26-revert-upstream-080e51c7fa0421eb2f0210d34cf0ac48a228b1e9.patch
 # improve sql libraries detection
 Patch51: cyrus-sasl-2.1.26-sql.patch
+# improve configuration error message
+Patch52: cyrus-sasl-2.1.26-config-error.patch
 
 Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: autoconf, automake, libtool, gdbm-devel, groff
@@ -192,6 +194,7 @@ chmod -x include/*.h
 %patch49 -p1 -b .md5global.h
 %patch50 -p1 -b .gssapi
 %patch51 -p1 -b .sql
+%patch52 -p1 -b .configerr
 
 %build
 # Find Kerberos.