make alpm_strerror binding friendly

I'm currently working on python bindings for alpm written in pyrex. While
working i found that declaring alpm_strerror as
	char * alpm_strerror (void)
instead of
	char * alpm_strerror (int err)

and then using pm_errno in the implementation instead of err, could make it
more bindings-friendly.

Dan: cleaned up and added void to declaration. Instead of replacing existing
function, add a new function called 'alpm_strerrorlast(void)'.

Signed-off-by: Stefano Esposito <stefano.esposito87@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/libalpm/error.c b/lib/libalpm/error.c
index b5e301aa..f81d22da 100644
--- a/lib/libalpm/error.c
+++ b/lib/libalpm/error.c
@@ -30,6 +30,11 @@
 #include "alpm.h"
 
 /* TODO does this really need a file all on its own? */
+const char SYMEXPORT *alpm_strerrorlast(void)
+{
+	return alpm_strerror(pm_errno);
+}
+
 const char SYMEXPORT *alpm_strerror(int err)
 {
 	switch(err) {