Initial commit

1 files changed, 28 insertions, 0 deletions

diff --git a/src/conn-tools/s6-getservbyname.c b/src/conn-tools/s6-getservbyname.c
new file mode 100644
index 0000000..0888df5
--- /dev/null
+++ b/src/conn-tools/s6-getservbyname.c
@@ -0,0 +1,28 @@
+/* ISC license. */
+
+#include <netdb.h>
+#include <skalibs/uint16.h>
+#include <skalibs/buffer.h>
+#include <skalibs/strerr2.h>
+
+#define USAGE "s6-getservbyname service proto"
+
+int main (int argc, char const *const *argv)
+{
+  char fmt[UINT16_FMT] ;
+  uint16 port ;
+  PROG = "s6-getservbyname" ;
+  if (argc < 3) strerr_dieusage(100, USAGE) ;
+  if (!uint160_scan(argv[1], &port))
+  {
+    struct servent *se = getservbyname(argv[1], argv[2]) ;
+    uint16 tmpport ;
+    if (!se) return 1 ;
+    tmpport = (uint16)se->s_port ;
+    uint16_unpack_big((char const *)&tmpport, &port) ;
+  }
+  if ((buffer_put(buffer_1small, fmt, uint16_fmt(fmt, port)) < 0)
+   || (buffer_putflush(buffer_1small, "\n", 1) < 1))
+    strerr_diefu1sys(111, "write to stdout") ;
+  return 0 ;
+}