move some of the filter code to the database specific modules to be able to reduce complexity of ldap-nss.c later on

git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss-ldapd@375 ef36b2f9-881f-0410-afb5-c4e39611909c

1 files changed, 19 insertions, 1 deletions

diff --git a/nslcd/common.c b/nslcd/common.c
index d71b5b1..d2400a4 100644
--- a/nslcd/common.c
+++ b/nslcd/common.c
@@ -3,7 +3,7 @@
    This file is part of the nss-ldapd library.
 
    Copyright (C) 2006 West Consulting
-   Copyright (C) 2006 Arthur de Jong
+   Copyright (C) 2006, 2007 Arthur de Jong
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -23,9 +23,27 @@
 
 #include "config.h"
 
+#include <stdio.h>
+#include <stdarg.h>
+
 #include "nslcd.h"
 #include "common.h"
 
+/* simple wrapper around snptintf() to return non-0 in case
+   of any failure (but always keep string 0-terminated) */
+int mysnprintf(char *buffer,size_t buflen,const char *format, ...)
+{
+  int res;
+  va_list ap;
+  /* do snprintf */
+  va_start(ap,format);
+  res=vsnprintf(buffer,buflen,format,ap);
+  /* NULL-terminate the string just to be on the safe side */
+  buffer[buflen-1]='\0';
+  /* check if the string was completely written */
+  return ((res<0)||(((size_t)res)>=buflen));
+}
+
 /* translates a nslcd return code (as defined in nslcd.h) to
    a nss code (as defined in nss.h) */
 /* FIXME: this is a temporary hack, get rid of it */