X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=blobdiff_plain;f=adu.c;fp=adu.c;h=7d133d619836e3340e5bce2f6b2b3bf83b39d789;hp=0cd1644c236c17908656eb25c24c12084b7c9967;hb=ce0adfac23ad42e907118cb1dd1d91ad16a9ef33;hpb=3d29aa18911043879fcd4412fa25b0ab5f5e95bb

diff --git a/adu.c b/adu.c
index 0cd1644..7d133d6 100644
--- a/adu.c
+++ b/adu.c
@@ -125,6 +125,25 @@ __printf_2_3 void __log(int ll, const char* fmt,...)
 	va_end(argp);
 }
 
+/**
+ * adu's version of strerror(3).
+ *
+ * \param num The error number.
+ *
+ * \return The error text of \a num.
+ */
+const char *adu_strerror(int num)
+{
+	assert(num > 0);
+	if (num == E_OSL) {
+		assert(osl_errno > 0);
+		return osl_strerror((osl_errno));
+	}
+	if (IS_SYSTEM_ERROR(num))
+		return strerror((num) & ((1 << SYSTEM_ERROR_BIT) - 1));
+	return adu_errlist[num];
+}
+
 static void close_dir_table(void)
 {
 	int ret;