shell_cmds-175.tar.gz

[apple/shell_cmds.git] / find / main.c

diff --git a/find/main.c b/find/main.c
index ed2f090aef3b9b2b517ce07194d541715c2e354d..e95e6482e853a1fb4318633b470195ba4b63ab9f 100644 (file)
--- a/find/main.c
+++ b/find/main.c
@@ -1,5 +1,3 @@
-/*     $NetBSD: main.c,v 1.10 1998/02/10 21:52:51 cgd Exp $    */
-
 /*-
  * Copyright (c) 1990, 1993, 1994
  *     The Regents of the University of California.  All rights reserved.
@@ -15,10 +13,6 @@
  * 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 University of
- *     California, Berkeley and its contributors.
  * 4. 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.
@@ -36,17 +30,21 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
+#ifndef lint
+static const char copyright[] =
+"@(#) Copyright (c) 1990, 1993, 1994\n\
+       The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)main.c     8.4 (Berkeley) 5/4/95";
-#else
-__COPYRIGHT("@(#) Copyright (c) 1990, 1993, 1994\n\
-       The Regents of the University of California.  All rights reserved.\n");
-__RCSID("$NetBSD: main.c,v 1.10 1998/02/10 21:52:51 cgd Exp $");
 #endif
 #endif /* not lint */
 
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/usr.bin/find/main.c,v 1.23 2011/12/10 18:11:06 ed Exp $");
+
 #include <sys/types.h>
 #include <sys/stat.h>
 
@@ -54,6 +52,8 @@ __RCSID("$NetBSD: main.c,v 1.10 1998/02/10 21:52:51 cgd Exp $");
 #include <errno.h>
 #include <fcntl.h>
 #include <fts.h>
+#include <locale.h>
+#include <regex.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
@@ -67,40 +67,41 @@ int ftsoptions;                     /* options for the ftsopen(3) call */
 int isdeprecated;              /* using deprecated syntax */
 int isdepth;                   /* do directories on post-order visit */
 int isoutput;                  /* user specified output operator */
+int issort;                    /* do hierarchies in lexicographical order */
 int isxargs;                   /* don't permit xargs delimiting chars */
+int mindepth = -1, maxdepth = -1; /* minimum and maximum depth */
+int regexp_flags = REG_BASIC;  /* use the "basic" regexp by default*/
 
-int main __P((int, char **));
-static void usage __P((void));
+static void usage(void);
 
 int
-main(argc, argv)
-       int argc;
-       char *argv[];
+main(int argc, char *argv[])
 {
        char **p, **start;
-       int ch;
+       int Hflag, Lflag, ch;
 
-       (void)time(&now);       /* initialize the time-of-day */
+       (void)setlocale(LC_ALL, "");
 
-       /* array to hold dir list.  at most (argc - 1) elements. */
-       p = start = alloca(argc * sizeof (char *));
+       (void)time(&now);       /* initialize the time-of-day */
 
+       p = start = argv;
+       Hflag = Lflag = 0;
        ftsoptions = FTS_NOSTAT | FTS_PHYSICAL;
-       while ((ch = getopt(argc, argv, "HLPXdf:x")) != EOF)
-               switch(ch) {
+       while ((ch = getopt(argc, argv, "EHLPXdf:sx")) != -1)
+               switch (ch) {
+               case 'E':
+                       regexp_flags |= REG_EXTENDED;
+                       break;
                case 'H':
-                       ftsoptions |= FTS_COMFOLLOW;
-#if 0  /* XXX necessary? */
-                       ftsoptions &= ~FTS_LOGICAL;
-#endif
+                       Hflag = 1;
+                       Lflag = 0;
                        break;
                case 'L':
-                       ftsoptions &= ~FTS_COMFOLLOW;
-                       ftsoptions |= FTS_LOGICAL;
+                       Lflag = 1;
+                       Hflag = 0;
                        break;
                case 'P':
-                       ftsoptions &= ~(FTS_COMFOLLOW|FTS_LOGICAL);
-                       ftsoptions |= FTS_PHYSICAL;
+                       Hflag = Lflag = 0;
                        break;
                case 'X':
                        isxargs = 1;
@@ -111,21 +112,27 @@ main(argc, argv)
                case 'f':
                        *p++ = optarg;
                        break;
-               case 'h':
-                       ftsoptions &= ~FTS_PHYSICAL;
-                       ftsoptions |= FTS_LOGICAL;
+               case 's':
+                       issort = 1;
                        break;
                case 'x':
                        ftsoptions |= FTS_XDEV;
                        break;
                case '?':
                default:
-                       break;
+                       usage();
                }
 
-       argc -= optind; 
+       argc -= optind;
        argv += optind;
 
+       if (Hflag)
+               ftsoptions |= FTS_COMFOLLOW;
+       if (Lflag) {
+               ftsoptions &= ~FTS_PHYSICAL;
+               ftsoptions |= FTS_LOGICAL;
+       }
+
        /*
         * Find first option to delimit the file list.  The first argument
         * that starts with a -, or is a ! or a ( must be interpreted as a
@@ -150,9 +157,10 @@ main(argc, argv)
 }
 
 static void
-usage()
+usage(void)
 {
-       (void)fprintf(stderr,
-"usage: find [-H | -L | -P] [-Xdhx] [-f file] [file ...] [expression]\n");
+       (void)fprintf(stderr, "%s\n%s\n",
+"usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]",
+"       find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]");
        exit(1);
 }