Added fdholder, beta. Documentation will come next.

1 files changed, 61 insertions, 0 deletions

diff --git a/src/fdholder/s6-fdholder-listc.c b/src/fdholder/s6-fdholder-listc.c
new file mode 100644
index 0000000..fefb676
--- /dev/null
+++ b/src/fdholder/s6-fdholder-listc.c
@@ -0,0 +1,61 @@
+/* ISC license. */
+
+#include <skalibs/uint.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/buffer.h>
+#include <skalibs/strerr2.h>
+#include <skalibs/sgetopt.h>
+#include <skalibs/tai.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/skamisc.h>
+#include <s6/s6-fdholder.h>
+
+#define USAGE "s6-fdholder-listc [ -t timeout ]"
+#define dieusage() strerr_dieusage(100, USAGE)
+
+int main (int argc, char const *const *argv, char const *const *envp)
+{
+  s6_fdholder_t a = S6_FDHOLDER_ZERO ;
+  stralloc sa = STRALLOC_ZERO, sb = STRALLOC_ZERO ;
+  unsigned int pos = 0 ;
+  int n ;
+  tain_t deadline ;
+  PROG = "s6-fdholder-listc" ;
+  {
+    unsigned int t = 0 ;
+    subgetopt_t l = SUBGETOPT_ZERO ;
+    for (;;)
+    {
+      register int opt = subgetopt_r(argc, argv, "t:", &l) ;
+      if (opt == -1) break ;
+      switch (opt)
+      {
+        case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ;
+        default : dieusage() ;
+      }
+    }
+    argc -= l.ind ; argv += l.ind ;
+    if (t) tain_from_millisecs(&deadline, t) ;
+    else deadline = tain_infinite_relative ;
+  }
+
+  s6_fdholder_init(&a, 6) ;
+  tain_now_g() ;
+  tain_add_g(&deadline, &deadline) ;
+  n = s6_fdholder_list_g(&a, &sa, &deadline) ;
+  if (n < 0) strerr_diefu1sys(111, "get fd list") ;
+  while (n--)
+  {
+    register unsigned int len = str_len(sa.s + pos) ;
+    sb.len = 0 ;
+    if (!string_quote_nodelim_mustquote(&sb, sa.s + pos, len, 0, 0))
+      strerr_diefu1sys(111, "quote string") ;
+    if (buffer_put(buffer_1, sb.s, sb.len) < sb.len || buffer_put(buffer_1, "\n", 1) < 1)
+      strerr_diefu1sys(111, "buffer_put") ;
+    pos += len+1 ;
+  }
+  stralloc_free(&sb) ;
+  stralloc_free(&sa) ;
+  if (!buffer_flush(buffer_1)) strerr_diefu1sys(111, "write to stdout") ;
+  return 0 ;
+}