new directory

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1040 ec53bebd-3082-4978-b11e-865c3cabbd6b
1996-11-17 23:48:51 +00:00
parent 4b5aeca704
commit 70bb7de493
4 changed files with 324 additions and 0 deletions
--- a/lib/sl/sl.c
+++ b/lib/sl/sl.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 1995, 1996 Kungliga Tekniska H<>gskolan (Royal Institute
+ * of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the Kungliga Tekniska
+ *      H<>gskolan and its contributors.
+ * 
+ * 4. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id$");
+#endif
+
+#include "sl_locl.h"
+
+static SL_cmd *
+sl_match (SL_cmd *cmds, char *cmd, int exactp)
+{
+  SL_cmd *c, *current = NULL, *partial_cmd;
+  int partial_match = 0;
+
+  for (c = cmds; c->name; ++c) {
+    if (c->func)
+      current = c;
+    if (strcmp (cmd, c->name) == 0)
+      return current;
+    else if (strncmp (cmd, c->name, strlen(cmd)) == 0 &&
+	     partial_cmd != current) {
+      ++partial_match;
+      partial_cmd = current;
+    }
+  }
+  if (partial_match == 1 && !exactp)
+    return partial_cmd;
+  else
+    return NULL;
+}
+
+void
+sl_help (SL_cmd *cmds, int argc, char **argv)
+{
+  SL_cmd *c;
+
+  if (argc == 1) {
+    for (c = cmds; c->name; ++c)
+      printf ("%s\t%s\n", c->name, c->usage ? c->usage : "");
+  } else { 
+    c = sl_match (cmds, argv[1], 0);
+    if (c == NULL)
+      printf ("No such command: %s. Try \"help\" for a list of all commands\n",
+	      argv[1]);
+    else {
+      printf ("%s\t%s", c->name, c->usage);
+      if((++c)->name && c->func == NULL) {
+	printf ("\nSynonyms:");
+	while (c->name && c->func == NULL)
+	  printf ("\t%s", (c++)->name);
+      }
+      printf ("\n");
+    }
+  }
+}
+
+int
+sl_loop (SL_cmd *cmds, char *prompt)
+{
+  char buf[BUFSIZ];
+  int count;
+  char *ptr[17];
+  int i;
+
+  for (;;) {
+    char *p;
+    char **a = ptr;
+    SL_cmd *c;
+
+    printf ("%s", prompt);
+    fflush (stdout);
+    if(fgets (buf, sizeof(buf), stdin) == NULL)
+      break;
+
+    if (buf[strlen(buf) - 1] == '\n')
+      buf[strlen(buf) - 1] = '\0';
+    p = buf;
+    count = 0;
+    for (;;) {
+      while (*p == ' ' || *p == '\t')
+	p++;
+      if (*p == '\0')
+	break;
+      *a++ = p;
+      ++count;
+      while (*p != '\0' && *p != ' ' && *p != '\t')
+	p++;
+      if (*p == '\0')
+	break;
+      *p++ = '\0';
+    }
+    c = sl_match (cmds, ptr[0], 0);
+    if (c)
+      (*c->func)(count, ptr);
+    else
+      printf ("Unrecognized command: %s\n", ptr[0]);
+  }
+  return 0;
+}
+