Add ALPM_ERR_OK to _alpm_errno_t

This allows functions which return an _alpm_errno_t to always return a
genuine _alpm_errno_t for consistency, even in cases where there are
no errors. Since ALPM_ERR_OK = 0, their callers can still simply check
'err = some_fn(); if (!err) { ... }'.

Signed-off-by: Ivy Foster <ivy.foster@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h
index 5a2c105d..b9c5c172 100644
--- a/lib/libalpm/util.h
+++ b/lib/libalpm/util.h
@@ -77,7 +77,7 @@ void _alpm_alloc_fail(size_t size);
 
 #define DOUBLE_EQ(x, y) (fabs((x) - (y)) < DBL_EPSILON)
 
-#define CHECK_HANDLE(handle, action) do { if(!(handle)) { action; } (handle)->pm_errno = 0; } while(0)
+#define CHECK_HANDLE(handle, action) do { if(!(handle)) { action; } (handle)->pm_errno = ALPM_ERR_OK; } while(0)
 
 /** Standard buffer size used throughout the library. */
 #ifdef BUFSIZ