From: Andre Noll <maan@systemlinux.org>
Date: Sun, 7 Oct 2007 19:52:47 +0000 (+0200)
Subject: error.h: Make PARA_STRERROR understand system errors.
X-Git-Tag: v0.3.0~293
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=b76b4c2c3b974afa062d9fa087c18fd3483cbf8a;p=paraslash.git

error.h: Make PARA_STRERROR understand system errors.
---

diff --git a/error.h b/error.h
index d648f14e..5ed38304 100644
--- a/error.h
+++ b/error.h
@@ -521,7 +521,11 @@ extern const char **para_errlist[];
  *
  * expands to the error text of \a num (a string constant).
  */
-#define PARA_STRERROR(num) para_errlist[ERRNUM_TO_SS(num)] [ERRNUM_TO_INDEX(num)]
+#define PARA_STRERROR(num) (num) & (1 << 30)? \
+	strerror((num) & ((1 << 30) - 1)) : \
+	para_errlist[ERRNUM_TO_SS(num)] [ERRNUM_TO_INDEX(num)]
+
+#define ERRNO_TO_PARA_ERROR(num) (-((num) | (1 << 30)))
 
 /**
  * define the error list for one subsystem