New function yaz_strerror.

[yaz-moved-to-github.git] / util / nmem.c

diff --git a/util/nmem.c b/util/nmem.c
index 15fe281..f91ecc1 100644 (file)
--- a/util/nmem.c
+++ b/util/nmem.c
@@ -3,7 +3,7 @@
  * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
- * $Id: nmem.c,v 1.36 2002-09-10 18:41:18 adam Exp $
+ * $Id: nmem.c,v 1.38 2002-12-05 12:19:24 adam Exp $
  */
 
 /*
@@ -435,3 +435,39 @@ int yaz_errno(void)
 {
     return errno;
 }
+
+void yaz_set_errno(int v)
+{
+    errno = v;
+}
+
+void yaz_strerror(char *buf, int max)
+{
+    char *cp;
+#ifdef WIN32
+    DWORD err = GetLastError();
+    if (err)
+    {
+        FormatMessage(
+               FORMAT_MESSAGE_FROM_SYSTEM,
+               NULL,
+               err,
+               MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+               (LPTSTR) buf,
+               max-1,
+               NULL);
+    }
+    else
+       *buf = '\0';
+#else
+#if YAZ_POSIX_THREADS
+    strerror_r(errno, buf, max);
+#else
+    strcpy(buf, strerror(yaz_errno()));
+#endif
+#endif
+    if ((cp=strrchr(buf, '\n')))
+       *cp = '\0';
+    if ((cp=strrchr(buf, '\r')))
+       *cp = '\0';
+}