Much better strerr revamp, with __VA_ARGS__

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

1 files changed, 20 insertions, 0 deletions

diff --git a/src/libstddjb/strerr_warnvsys.c b/src/libstddjb/strerr_warnvsys.c
new file mode 100644
index 0000000..fcab1b8
--- /dev/null
+++ b/src/libstddjb/strerr_warnvsys.c
@@ -0,0 +1,20 @@
+/* ISC license. */
+
+/* MT-unsafe */
+
+#include <string.h>
+#include <errno.h>
+
+#include <skalibs/buffer.h>
+#include <skalibs/strerr.h>
+
+void strerr_warnvsys (char const *const *v, unsigned int n)
+{
+  int e = errno ;
+  for (unsigned int i = 0 ; i < n ; i++)
+    if (v[i]) buffer_puts(buffer_2, v[i]) ;
+  buffer_put(buffer_2, ": ", 2) ;
+  buffer_puts(buffer_2, strerror(e)) ;
+  buffer_putflush(buffer_2, "\n", 1) ;
+  errno = e ;
+}