initial commit

1 files changed, 56 insertions, 0 deletions

diff --git a/src/skaembutils/s6-ls.c b/src/skaembutils/s6-ls.c
new file mode 100644
index 0000000..25045a7
--- /dev/null
+++ b/src/skaembutils/s6-ls.c
@@ -0,0 +1,56 @@
+/* ISC license. */
+
+#include <skalibs/sgetopt.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/direntry.h>
+#include <skalibs/buffer.h>
+#include <skalibs/strerr2.h>
+
+#define USAGE "s6-ls [ -0 ] [ -a | -A ] [ -x exclude ] dir"
+
+int main (int argc, char const *const *argv)
+{
+  unsigned int all = 0 ;
+  char const *exclude = 0 ;
+  char delim = '\n' ;
+  PROG = "s6-ls" ;
+  {
+    subgetopt_t l = SUBGETOPT_ZERO ;
+    for (;;)
+    {
+      register int opt = subgetopt_r(argc, argv, "0aAx:", &l) ;
+      if (opt == -1) break ;
+      switch (opt)
+      {
+        case '0': delim = '\0' ; break ;
+        case 'a': all = 1 ; break ;
+        case 'A': all = 2 ; break ;
+        case 'x': exclude = l.arg ; break ;
+        default : strerr_dieusage(100, USAGE) ;
+      }
+    }
+    argc -= l.ind ; argv += l.ind ;
+  }
+  if (!argc) strerr_dieusage(100, USAGE) ;
+  {
+    direntry *d ;
+    DIR *dir = opendir(*argv) ;
+    if (!dir)
+      strerr_diefu2sys(111, "open directory ", *argv) ;
+    while ((d = readdir(dir)))
+    {
+      if ((d->d_name[0] == '.') && (all < 2))
+      {
+        if (!all || !d->d_name[1] || ((d->d_name[1] == '.') && !d->d_name[2])) continue ;
+      }
+      if (exclude && !str_diff(exclude, d->d_name)) continue ;
+      if ((buffer_puts(buffer_1, d->d_name) < 0)
+       || (buffer_put(buffer_1, &delim, 1) < 0))
+        strerr_diefu1sys(111, "write to stdout") ;
+    }
+    dir_close(dir) ;
+  }
+  if (!buffer_flush(buffer_1))
+    strerr_diefu1sys(111, "write to stdout") ;
+  return 0 ;
+}