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1097 glob(3c) needs to support non-POSIX options

@@ -17,42 +17,93 @@
  * fields enclosed by brackets "[]" replaced with your own identifying
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
+
 /*
+ * Copyright (c) 1989, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Guido van Rossum.
+ *
+ * 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. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ *
+ *      @(#)glob.h      8.1 (Berkeley) 6/2/93
+ */
+
+/*
  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2012 Gary Mills
  */
 
 /*
  * Copyright 1985, 1992 by Mortice Kern Systems Inc.  All rights reserved.
  */
 
 #ifndef _GLOB_H
 #define _GLOB_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #include <sys/feature_tests.h>
 #include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
+struct stat;
+
 typedef struct  glob_t  {
-        size_t  gl_pathc;               /* Count of paths matched by pattern */
+        /* Members required by POSIX */
+        size_t  gl_pathc;       /* Total count of paths matched by pattern */
         char    **gl_pathv;             /* List of matched pathnames */
         size_t  gl_offs;                /* # of slots reserved in gl_pathv */
-        /* following are internal to the implementation */
-        char    **gl_pathp;             /* gl_pathv + gl_offs */
-        int     gl_pathn;               /* # of elements allocated */
+        /* Non-POSIX extensions, from Openbsd */
+        int gl_matchc;          /* Count of paths matching pattern. */
+        int gl_flags;           /* Copy of flags parameter to glob. */
+        /* Members only accessed when Non-POSIX flags are specified. */
+        struct stat **gl_statv; /* Stat entries corresponding to gl_pathv */
+        /*
+         * Alternate filesystem access methods for glob; replacement
+         * versions of closedir(3), readdir(3), opendir(3), stat(2)
+         * and lstat(2).
+         */
+        int (*gl_closedir)(DIR *);
+        struct dirent *(*gl_readdir)(DIR *);
+        DIR *(*gl_opendir)(const char *);
+        int (*gl_lstat)(const char *, struct stat *);
+        int (*gl_stat)(const char *, struct stat *);
 }       glob_t;
 
 /*
- * "flags" argument to glob function.
+ * POSIX "flags" argument to glob function.
  */
 #define GLOB_ERR        0x0001          /* Don't continue on directory error */
 #define GLOB_MARK       0x0002          /* Mark directories with trailing / */
 #define GLOB_NOSORT     0x0004          /* Don't sort pathnames */
 #define GLOB_NOCHECK    0x0008          /* Return unquoted arg if no match */

@@ -59,16 +110,29 @@
 #define GLOB_DOOFFS     0x0010          /* Ignore gl_offs unless set */
 #define GLOB_APPEND     0x0020          /* Append to previous glob_t */
 #define GLOB_NOESCAPE   0x0040          /* Backslashes do not quote M-chars */
 
 /*
+ * Non-POSIX "flags" argument to glob function, from Openbsd.
+ */
+#define GLOB_BRACE      0x0080  /* Expand braces ala csh. */
+#define GLOB_MAGCHAR    0x0100  /* Pattern had globbing characters. */
+#define GLOB_NOMAGIC    0x0200  /* GLOB_NOCHECK without magic chars (csh). */
+#define GLOB_QUOTE      0x0400  /* Quote special chars with \. */
+#define GLOB_TILDE      0x0800  /* Expand tilde names from the passwd file. */
+#define GLOB_LIMIT      0x2000  /* Limit pattern match output to ARG_MAX */
+#define GLOB_KEEPSTAT   0x4000  /* Retain stat data for paths in gl_statv. */
+#define GLOB_ALTDIRFUNC 0x8000  /* Use alternately specified directory funcs. */
+
+/*
  * Error returns from "glob"
  */
 #define GLOB_NOSYS      (-4)            /* function not supported (XPG4) */
 #define GLOB_NOMATCH    (-3)            /* Pattern does not match */
 #define GLOB_NOSPACE    (-2)            /* Not enough memory */
 #define GLOB_ABORTED    (-1)            /* GLOB_ERR set or errfunc return!=0 */
+#define GLOB_ABEND      GLOB_ABORTED    /* backward compatibility */
 
 #if defined(__STDC__)
 extern int glob(const char *_RESTRICT_KYWD, int, int(*)(const char *, int),
                 glob_t *_RESTRICT_KYWD);
 extern void globfree(glob_t *);