initial import from bash_3.1dfsg.orig.tar.gz

1 files changed, 169 insertions, 0 deletions

diff --git a/examples/loadables/print.c b/examples/loadables/print.c
new file mode 100644
index 0000000..ad658a7
--- /dev/null
+++ b/examples/loadables/print.c
@@ -0,0 +1,169 @@
+/*
+ * print -- loadable ksh-93 style print builtin
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "bashtypes.h"
+
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+
+#include "bashansi.h"
+#include "shell.h"
+#include "builtins.h"
+#include "stdc.h"
+#include "bashgetopt.h"
+
+#if !defined (errno)
+extern int errno;
+#endif
+
+int print_builtin ();
+static int printargs ();
+
+static FILE *ofp;
+
+extern char *this_command_name;
+
+static char *print_doc[] = {
+  "Output the arguments.  The -f option means to use the argument as a",
+  "format string as would be supplied to printf(1).  The rest of the",
+  "options are as in ksh.",
+  (char *)NULL
+};
+
+struct builtin print_struct = {
+	"print",
+	print_builtin,
+	BUILTIN_ENABLED,
+	print_doc,
+	"print [-Rnprs] [-u unit] [-f format] [arguments]",
+	(char *)0
+};
+
+#ifndef ISOPTION
+#define ISOPTION(s, c)	(s[0] == '-' && s[2] == '\0' && s[1] == c)
+#endif
+
+int
+print_builtin (list)
+     WORD_LIST *list;
+{
+  int c, r, nflag, raw, ofd, sflag;
+  intmax_t lfd;
+  char **v, *pfmt, *arg;
+  WORD_LIST *l;
+
+  nflag = raw = sflag = 0;
+  ofd = 1;
+  pfmt = 0;
+
+  reset_internal_getopt ();
+  while ((c = internal_getopt (list, "Rnprsu:f:")) != -1)
+    {
+      switch (c)
+	{
+	case 'R':
+	  raw = 2;
+	  loptend = lcurrent;
+	  if (loptend && ISOPTION (loptend->word->word, 'n'))
+	    {
+	      loptend = loptend->next;
+	      nflag = 1;
+	    }
+	  goto opt_end;
+	case 'r':
+	  raw = 1;
+	  break;
+	case 'n':
+	  nflag = 1;
+	  break;
+	case 's':
+	  sflag = 1;
+	  break;
+	case 'p':
+	  break;	/* NOP */
+	case 'u':
+	  if (all_digits (list_optarg) && legal_number (list_optarg, &lfd) && lfd == (int)lfd)
+	    ofd = lfd;
+	  else
+	    {
+	      for (l = list; l->next && l->next != lcurrent; l = l->next);
+	      lcurrent = loptend = l;
+	      goto opt_end;
+	    }
+	  break;
+	case 'f':
+	  pfmt = list_optarg;
+	  break;
+	default:
+	  builtin_usage ();
+	  return (EX_USAGE);
+	}
+    }
+
+opt_end:
+  list = loptend;
+
+  ofp = (ofd == 1) ? stdout : fdopen (dup (ofd), "w");
+
+  if (pfmt)
+    {
+      WORD_DESC *w;
+      WORD_LIST *nlist;
+
+      w = make_word (pfmt);
+      nlist = make_word_list (w, list);
+      r = printf_builtin (nlist);
+      nlist->next = (WORD_LIST *)NULL;
+      dispose_words (nlist);
+      return (r);
+    }
+
+  if (raw)
+    {
+      for (l = list; l; l = l->next)
+	{
+	  fprintf (ofp, "%s", l->word->word);
+	  if (l->next)
+	    fprintf (ofp, " ");
+	}
+      if (nflag == 0)
+	fprintf (ofp, "\n");
+      fflush (ofp);
+      return (0);	
+    }
+        
+  r = printargs (list, ofp);
+  if (r && nflag == 0)
+    fprintf (ofp, "\n");
+  if (ofd != 1)
+    fclose (ofp);
+  return 0;
+}
+
+static int
+printargs (list, ofp)
+     WORD_LIST *list;
+     FILE *ofp;
+{
+  WORD_LIST *l;
+  char *ostr;
+  int sawc;
+
+  for (sawc = 0, l = list; l; l = l->next)
+    {
+      ostr = ansicstr (l->word->word, strlen (l->word->word), 0, &sawc, (int *)0);
+      fprintf (ofp, "%s", ostr);
+      free (ostr);
+      if (sawc)
+        return (0);
+      if (l->next)
+        fprintf (ofp, " ");
+    }
+  return (1);
+}