pam_winbind: add _pam_error_code_str().

Guenther
(This used to be commit 693f90fd2394309ce40d3ca5fc007543058b342a)

source3/nsswitch/pam_winbind.c

@@ -12,6 +12,78 @@
 
 #include "pam_winbind.h"
 
+static const char *_pam_error_code_str(int err)
+{
+	switch (err) {
+		case PAM_SUCCESS:
+			return "PAM_SUCCESS";
+		case PAM_OPEN_ERR:
+			return "PAM_OPEN_ERR";
+		case PAM_SYMBOL_ERR:
+			return "PAM_SYMBOL_ERR";
+		case PAM_SERVICE_ERR:
+			return "PAM_SERVICE_ERR";
+		case PAM_SYSTEM_ERR:
+			return "PAM_SYSTEM_ERR";
+		case PAM_BUF_ERR:
+			return "PAM_BUF_ERR";
+		case PAM_PERM_DENIED:
+			return "PAM_PERM_DENIED";
+		case PAM_AUTH_ERR:
+			return "PAM_AUTH_ERR";
+		case PAM_CRED_INSUFFICIENT:
+			return "PAM_CRED_INSUFFICIENT";
+		case PAM_AUTHINFO_UNAVAIL:
+			return "PAM_AUTHINFO_UNAVAIL";
+		case PAM_USER_UNKNOWN:
+			return "PAM_USER_UNKNOWN";
+		case PAM_MAXTRIES:
+			return "PAM_MAXTRIES";
+		case PAM_NEW_AUTHTOK_REQD:
+			return "PAM_NEW_AUTHTOK_REQD";
+		case PAM_ACCT_EXPIRED:
+			return "PAM_ACCT_EXPIRED";
+		case PAM_SESSION_ERR:
+			return "PAM_SESSION_ERR";
+		case PAM_CRED_UNAVAIL:
+			return "PAM_CRED_UNAVAIL";
+		case PAM_CRED_EXPIRED:
+			return "PAM_CRED_EXPIRED";
+		case PAM_CRED_ERR:
+			return "PAM_CRED_ERR";
+		case PAM_NO_MODULE_DATA:
+			return "PAM_NO_MODULE_DATA";
+		case PAM_CONV_ERR:
+			return "PAM_CONV_ERR";
+		case PAM_AUTHTOK_ERR:
+			return "PAM_AUTHTOK_ERR";
+		case PAM_AUTHTOK_RECOVERY_ERR:
+			return "PAM_AUTHTOK_RECOVERY_ERR";
+		case PAM_AUTHTOK_LOCK_BUSY:
+			return "PAM_AUTHTOK_LOCK_BUSY";
+		case PAM_AUTHTOK_DISABLE_AGING:
+			return "PAM_AUTHTOK_DISABLE_AGING";
+		case PAM_TRY_AGAIN:
+			return "PAM_TRY_AGAIN";
+		case PAM_IGNORE:
+			return "PAM_IGNORE";
+		case PAM_ABORT:
+			return "PAM_ABORT";
+		case PAM_AUTHTOK_EXPIRED:
+			return "PAM_AUTHTOK_EXPIRED";
+		case PAM_MODULE_UNKNOWN:
+			return "PAM_MODULE_UNKNOWN";
+		case PAM_BAD_ITEM:
+			return "PAM_BAD_ITEM";
+		case PAM_CONV_AGAIN:
+			return "PAM_CONV_AGAIN";
+		case PAM_INCOMPLETE:
+			return "PAM_INCOMPLETE";
+		default:
+			return NULL;
+	}
+}
+
 #define _PAM_LOG_FUNCTION_ENTER(function, ctx) \
 	do { \
 		_pam_log_debug(ctx, LOG_DEBUG, "[pamh: %p] ENTER: " \