1 files changed, 65 insertions, 0 deletions
diff --git a/gl/lib/glob_internal.h b/gl/lib/glob_internal.h
new file mode 100644
index 0000000..bd02392
--- /dev/null
+++ b/gl/lib/glob_internal.h
@@ -0,0 +1,65 @@
+/* Shared definition for glob and glob_pattern_p.
+   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef GLOB_INTERNAL_H
+# define GLOB_INTERNAL_H
+
+enum
+{
+  GLOBPAT_NONE      = 0x0,
+  GLOBPAT_SPECIAL   = 0x1,
+  GLOBPAT_BACKSLASH = 0x2,
+  GLOBPAT_BRACKET   = 0x4
+};
+
+static inline int
+__glob_pattern_type (const char *pattern, int quote)
+{
+  const char *p;
+  int ret = GLOBPAT_NONE;
+
+  for (p = pattern; *p != '\0'; ++p)
+    switch (*p)
+      {
+      case '?':
+      case '*':
+        return GLOBPAT_SPECIAL;
+
+      case '\\':
+        if (quote)
+          {
+            if (p[1] != '\0')
+              ++p;
+            ret |= GLOBPAT_BACKSLASH;
+          }
+        break;
+
+      case '[':
+        ret |= GLOBPAT_BRACKET;
+        break;
+
+      case ']':
+        if (ret & 4)
+          return GLOBPAT_SPECIAL;
+        break;
+      }
+
+  return ret;
+}
+
+#endif /* GLOB_INTERNAL_H  */