142 lines
4.3 KiB
C
142 lines
4.3 KiB
C
$NetBSD: patch-scandir.c,v 1.2 2015/10/27 20:20:31 bsiegert Exp $
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--- scandir.c.orig 2014-07-14 12:36:57.000000000 +0000
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+++ scandir.c
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@@ -0,0 +1,137 @@
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+/* -*- Mode: C -*-
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+ * Basename: scandir.c
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+ * Revision: 1.3.1.5.1.3
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+ * Last Modified By: Ulrich Pfeifer
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+ * Last Modified On: Tue May 13 13:15:16 1997
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+ * Language : C
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+ * Update Count : 2
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+ * Status : Unknown, Use with caution!
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+ *
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+ * (C) Copyright 1997, Universitaet Dortmund, all rights reserved.
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+ * (C) Copyright CNIDR (see ../doc/CNIDR/COPYRIGHT)
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+ */
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+
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+/*
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+Title: COPYRIGHT freeWAIS-0.2
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+Author: Jane Smith
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+Copyright: Copyright 1993 CNIDR
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+Last update: 10.01.93
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+Abstract: This file contains the copyright statement for freeWAIS 0.2
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+
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+Copyright Statement for freeWAIS 0.2 and subsquent freeWAIS
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+releases:
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+
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+Copyright (c) MCNC, Clearinghouse for Networked Information Discovery
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+and Retrieval, 1993.
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+
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+Permission to use, copy, modify, distribute, and sell this software
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+and its documentation, in whole or in part, for any purpose is hereby
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+granted without fee, provided that
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+
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+1. The above copyright notice and this permission notice appear in all
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+copies of the software and related documentation. Notices of copyright
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+and/or attribution which appear at the beginning of any file included
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+in this distribution must remain intact.
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+
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+2. Users of this software agree to make their best efforts (a) to
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+return to MCNC any improvements or extensions that they make, so that
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+these may be included in future releases; and (b) to inform MCNC/CNIDR
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+of noteworthy uses of this software.
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+
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+3. The names of MCNC and Clearinghouse for Networked Information
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+Discovery and Retrieval may not be used in any advertising or publicity
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+relating to the software without the specific, prior written permission
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+of MCNC/CNIDR.
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+
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+THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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+EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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+WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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+
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+IN NO EVENT SHALL MCNC/CNIDR BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
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+INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER
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+RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF
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+THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT
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+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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+*/
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+
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+/*
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+ * SCANDIR
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+ * Scan a directory, collecting all (selected) items into a an array.
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+ */
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+
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+#include <stdio.h>
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+#include <dirent.h>
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+#include <stdlib.h>
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+#include <string.h>
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+
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+#ifdef DIRNAMLEN
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+#define NLENGTH(dirent) ((dirent)->d_namlen)
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+#else /* not DIRNAMLEN */
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+#define NLENGTH(dirent) (strlen((dirent)->d_name))
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+#endif /* not DIRNAMLEN */
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+
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+/* Initial guess at directory size. */
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+#define INITIAL_SIZE 20
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+
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+int
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+scandir(name, list, selector, sorter)
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+ char *name;
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+ dirent_t ***list;
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+ int (*selector)();
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+ int (*sorter)();
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+{
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+ register dirent_t **names;
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+ register dirent_t *entp;
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+ register DIR *dirp;
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+ register int i;
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+ register int size;
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+
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+ /* Get initial list space and open directory. */
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+ size = INITIAL_SIZE;
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+ names = (dirent_t **)malloc(size * sizeof names[0]);
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+ if (names == NULL)
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+ return -1;
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+ dirp = opendir(name);
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+ if (dirp == NULL)
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+ return -1;
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+
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+ /* Read entries in the directory. */
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+ for (i = 0; entp = readdir(dirp); )
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+ if (selector == NULL || (*selector)(entp)) {
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+ /* User wants them all, or he wants this one. */
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+ if (++i >= size) {
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+ size <<= 1;
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+ names = (dirent_t **)
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+ realloc((char *)names, size * sizeof names[0]);
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+ if (names == NULL) {
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+ closedir(dirp);
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+ return -1;
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+ }
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+ }
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+
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+ /* Copy the entry. */
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+ names[i - 1] = (dirent_t *)malloc(sizeof(dirent_t)
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+ + NLENGTH(entp)+1);
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+ if (names[i - 1] == NULL) {
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+ closedir(dirp);
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+ return -1;
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+ }
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+ names[i - 1]->d_ino = entp->d_ino;
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+ names[i - 1]->d_reclen = entp->d_reclen;
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+#ifdef DIRNAMLEN
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+ names[i - 1]->d_namlen = entp->d_namlen;
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+#endif
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+ (void)strcpy(names[i - 1]->d_name, entp->d_name);
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+ }
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+
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+ /* Close things off. */
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+ names[i] = NULL;
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+ *list = names;
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+ closedir(dirp);
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+
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+ /* Sort? */
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+ if (i && sorter)
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+ qsort((char *)names, i, sizeof names[0], sorter);
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+
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+ return i;
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+}
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