+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2009 Index Data
+ * See the file LICENSE for details.
+ */
+
+/**
+ * \file errno.c
+ * \brief errno utilities
+ */
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/* prepare for threads.. even in non-threaded appliactions.
+ The yaz_errno/yaz_set_errno is part of core YAZ and shared */
+#ifndef _REENTRANT
+#define _REENTRANT
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <stddef.h>
+#include <yaz/nmem.h>
+
+#ifdef WIN32
+#include <windows.h>
+#endif
+
+int yaz_errno(void)
+{
+ return errno;
+}
+
+void yaz_set_errno(int v)
+{
+ errno = v;
+}
+
+void yaz_strerror(char *buf, int max)
+{
+#ifdef WIN32
+ DWORD err;
+#endif
+ char *cp;
+#ifdef WIN32
+ err = GetLastError();
+ if (err)
+ {
+ FormatMessage(
+ FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ err,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default lang */
+ (LPTSTR) buf,
+ max-1,
+ NULL);
+ }
+ else
+ *buf = '\0';
+#else
+/* UNIX */
+#if HAVE_STRERROR_R
+ *buf = '\0';
+ strerror_r(errno, buf, max);
+ /* if buffer is unset - use strerror anyway (GLIBC bug) */
+ if (*buf == '\0')
+ strcpy(buf, strerror(yaz_errno()));
+#else
+ strcpy(buf, strerror(yaz_errno()));
+#endif
+/* UNIX */
+#endif
+ if ((cp = strrchr(buf, '\n')))
+ *cp = '\0';
+ if ((cp = strrchr(buf, '\r')))
+ *cp = '\0';
+}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+