Initial Symbian integration to trunk for pjlib

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1235 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjlib/src/pj/compat/string_compat.c b/pjlib/src/pj/compat/string_compat.c
new file mode 100644
index 0000000..28f1312
--- /dev/null
+++ b/pjlib/src/pj/compat/string_compat.c
@@ -0,0 +1,72 @@
+/* $Id$ */
+/* 
+ * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+#include <pj/types.h>
+#include <pj/compat/string.h>
+#include <pj/ctype.h>
+
+#if defined(PJ_HAS_STRING_H) && PJ_HAS_STRING_H != 0
+/* Nothing to do */
+#else
+PJ_DEF(int) strcasecmp(const char *s1, const char *s2)
+{
+    while ((*s1==*s2) || (pj_tolower(*s1)==pj_tolower(*s2))) {
+	if (!*s1++)
+	    return 0;
+	++s2;
+    }
+    return (pj_tolower(*s1) < pj_tolower(*s2)) ? -1 : 1;
+}
+
+PJ_DEF(int) strncasecmp(const char *s1, const char *s2, int len)
+{
+    if (!len) return 0;
+
+    while ((*s1==*s2) || (pj_tolower(*s1)==pj_tolower(*s2))) {
+	if (!*s1++ || --len <= 0)
+	    return 0;
+	++s2;
+    }
+    return (pj_tolower(*s1) < pj_tolower(*s2)) ? -1 : 1;
+}
+#endif
+
+#if defined(PJ_HAS_NO_SNPRINTF) && PJ_HAS_NO_SNPRINTF != 0
+
+PJ_DEF(int) snprintf(char *s1, pj_size_t len, const char *s2, ...)
+{
+    int ret;
+    va_list arg;
+
+    PJ_UNUSED_ARG(len);
+
+    va_start(arg, s2);
+    ret = vsprintf(s1, s2, arg);
+    va_end(arg);
+    
+    return ret;
+}
+
+PJ_DEF(int) vsnprintf(char *s1, pj_size_t len, const char *s2, va_list arg)
+{
+    PJ_UNUSED_ARG(len);
+    return vsprintf(s1,s2,arg);
+}
+
+#endif
+