Much better strerr revamp, with __VA_ARGS__

Signed-off-by: Laurent Bercot <ska@appnovation.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/libstddjb/strerr_dielsys.c b/src/libstddjb/strerr_dielsys.c
new file mode 100644
index 0000000..5c0e334
--- /dev/null
+++ b/src/libstddjb/strerr_dielsys.c
@@ -0,0 +1,23 @@
+/* ISC license. */
+
+/* MT-unsafe */
+
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <skalibs/strerr.h>
+
+void strerr_dielsys (int e, unsigned int n, ...)
+{
+  va_list ap ;
+  char const *v[n+1] ;
+  va_start(ap, n) ;
+  va_arg(ap, unsigned int) ;
+  for (unsigned int i = 0 ; i < n ; i++)
+    v[i++] = va_arg(ap, char const *) ; 
+  va_end(ap) ;
+  v[n] = strerror(errno) ;
+  strerr_diev(e, v, n+1) ;
+}