Imported from ../bash-2.05b.tar.gz.

lib/glob/glob_loop.c

@@ -0,0 +1,67 @@
+/* Copyright (C) 1991-2002 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+   
+   Bash is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 2, or (at your option) any later
+   version.
+	      
+   Bash is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+			 
+   You should have received a copy of the GNU General Public License along
+   with Bash; see the file COPYING.  If not, write to the Free Software
+   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+static int INTERNAL_GLOB_PATTERN_P __P((const CHAR *));
+
+/* Return nonzero if PATTERN has any special globbing chars in it.
+   Compiled twice, once each for single-byte and multibyte characters. */
+static int
+INTERNAL_GLOB_PATTERN_P (pattern)
+     const CHAR *pattern;
+{
+  register const CHAR *p;
+  register CHAR c;
+  int bopen;
+
+  p = pattern;
+  bopen = 0;
+
+  while ((c = *p++) != L('\0'))
+    switch (c)
+      {
+      case L('?'):
+      case L('*'):
+	return 1;
+
+      case L('['):      /* Only accept an open brace if there is a close */
+	bopen++;        /* brace to match it.  Bracket expressions must be */
+	continue;       /* complete, according to Posix.2 */
+      case L(']'):
+	if (bopen)
+	  return 1;
+	continue;
+
+      case L('+'):         /* extended matching operators */
+      case L('@'):
+      case L('!'):
+	if (*p == L('('))  /*) */
+	  return 1;
+	continue;
+
+      case L('\\'):
+	if (*p++ == L('\0'))
+	  return 0;
+      }
+
+  return 0;
+}
+
+#undef INTERNAL_GLOB_PATTERN_P
+#undef L
+#undef INT
+#undef CHAR