+/* $OpenBSD: fts.c,v 1.7 1997/03/24 02:54:15 millert Exp $ */
+
/*-
* Copyright (c) 1990, 1993, 1994
* The Regents of the University of California. All rights reserved.
*/
#if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: fts.c,v 1.6 1997/01/17 06:12:53 millert Exp $";
+#if 0
+static char sccsid[] = "@(#)fts.c 8.6 (Berkeley) 8/14/94";
+#else
+static char rcsid[] = "$OpenBSD: fts.c,v 1.7 1997/03/24 02:54:15 millert Exp $";
+#endif
#endif /* LIBC_SCCS and not lint */
#include <sys/param.h>
static u_short fts_stat __P((FTS *, FTSENT *, int));
static int fts_safe_changedir __P((FTS *, FTSENT *, int));
-#define ISDOT(a) (a[0] == '.' && (!a[1] || a[1] == '.' && !a[2]))
+#define ISDOT(a) (a[0] == '.' && (!a[1] || (a[1] == '.' && !a[2])))
#define CLR(opt) (sp->fts_options &= ~(opt))
#define ISSET(opt) (sp->fts_options & (opt))
if (p->fts_info == FTS_D) {
/* If skipped or crossed mount point, do post-order visit. */
if (instr == FTS_SKIP ||
- ISSET(FTS_XDEV) && p->fts_dev != sp->fts_dev) {
+ (ISSET(FTS_XDEV) && p->fts_dev != sp->fts_dev)) {
if (p->fts_flags & FTS_SYMFOLLOW)
(void)close(p->fts_symfd);
if (sp->fts_child) {
/* Move to the next node on this level. */
next: tmp = p;
- if (p = p->fts_link) {
+ if ((p = p->fts_link)) {
free(tmp);
/*
/* Read the directory, attaching each entry to the `link' pointer. */
adjaddr = NULL;
- if (dirp) {
- for (head = tail = NULL, nitems = 0; dp = readdir(dirp);) {
- if (!ISSET(FTS_SEEDOT) && ISDOT(dp->d_name))
- continue;
-
- if ((p = fts_alloc(sp, dp->d_name, (int)dp->d_namlen)) == NULL)
- goto mem1;
- if (dp->d_namlen > maxlen) {
- if (fts_palloc(sp, (size_t)dp->d_namlen)) {
- /*
- * No more memory for path or structures. Save
- * errno, free up the current structure and the
- * structures already allocated.
- */
- mem1: saved_errno = errno;
- if (p)
- free(p);
- fts_lfree(head);
- (void)closedir(dirp);
- errno = saved_errno;
- cur->fts_info = FTS_ERR;
- SET(FTS_STOP);
- return (NULL);
- }
- adjaddr = sp->fts_path;
- maxlen = sp->fts_pathlen - sp->fts_cur->fts_pathlen - 1;
+ for (head = tail = NULL, nitems = 0; dirp && (dp = readdir(dirp));) {
+ if (!ISSET(FTS_SEEDOT) && ISDOT(dp->d_name))
+ continue;
+
+ if ((p = fts_alloc(sp, dp->d_name, (int)dp->d_namlen)) == NULL)
+ goto mem1;
+ if (dp->d_namlen > maxlen) {
+ if (fts_palloc(sp, (size_t)dp->d_namlen)) {
+ /*
+ * No more memory for path or structures. Save
+ * errno, free up the current structure and the
+ * structures already allocated.
+ */
+mem1: saved_errno = errno;
+ if (p)
+ free(p);
+ fts_lfree(head);
+ (void)closedir(dirp);
+ errno = saved_errno;
+ cur->fts_info = FTS_ERR;
+ SET(FTS_STOP);
+ return (NULL);
}
+ adjaddr = sp->fts_path;
+ maxlen = sp->fts_pathlen - sp->fts_cur->fts_pathlen - 1;
+ }
- p->fts_pathlen = len + dp->d_namlen + 1;
- p->fts_parent = sp->fts_cur;
- p->fts_level = level;
+ p->fts_pathlen = len + dp->d_namlen + 1;
+ p->fts_parent = sp->fts_cur;
+ p->fts_level = level;
- #ifdef FTS_WHITEOUT
- if (dp->d_type == DT_WHT)
- p->fts_flags |= FTS_ISW;
- #endif
+#ifdef FTS_WHITEOUT
+ if (dp->d_type == DT_WHT)
+ p->fts_flags |= FTS_ISW;
+#endif
- if (cderrno) {
- if (nlinks) {
- p->fts_info = FTS_NS;
- p->fts_errno = cderrno;
- } else
- p->fts_info = FTS_NSOK;
- p->fts_accpath = cur->fts_accpath;
- } else if (nlinks == 0
- #ifdef DT_DIR
- || nostat &&
- dp->d_type != DT_DIR && dp->d_type != DT_UNKNOWN
- #endif
- ) {
- p->fts_accpath =
- ISSET(FTS_NOCHDIR) ? p->fts_path : p->fts_name;
+ if (cderrno) {
+ if (nlinks) {
+ p->fts_info = FTS_NS;
+ p->fts_errno = cderrno;
+ } else
p->fts_info = FTS_NSOK;
- } else {
- /* Build a file name for fts_stat to stat. */
- if (ISSET(FTS_NOCHDIR)) {
- p->fts_accpath = p->fts_path;
- memmove(cp, p->fts_name, p->fts_namelen + 1);
- } else
- p->fts_accpath = p->fts_name;
- /* Stat it. */
- p->fts_info = fts_stat(sp, p, 0);
-
- /* Decrement link count if applicable. */
- if (nlinks > 0 && (p->fts_info == FTS_D ||
- p->fts_info == FTS_DC || p->fts_info == FTS_DOT))
- --nlinks;
- }
+ p->fts_accpath = cur->fts_accpath;
+ } else if (nlinks == 0
+#ifdef DT_DIR
+ || (nostat &&
+ dp->d_type != DT_DIR && dp->d_type != DT_UNKNOWN)
+#endif
+ ) {
+ p->fts_accpath =
+ ISSET(FTS_NOCHDIR) ? p->fts_path : p->fts_name;
+ p->fts_info = FTS_NSOK;
+ } else {
+ /* Build a file name for fts_stat to stat. */
+ if (ISSET(FTS_NOCHDIR)) {
+ p->fts_accpath = p->fts_path;
+ memmove(cp, p->fts_name, p->fts_namelen + 1);
+ } else
+ p->fts_accpath = p->fts_name;
+ /* Stat it. */
+ p->fts_info = fts_stat(sp, p, 0);
+
+ /* Decrement link count if applicable. */
+ if (nlinks > 0 && (p->fts_info == FTS_D ||
+ p->fts_info == FTS_DC || p->fts_info == FTS_DOT))
+ --nlinks;
+ }
- /* We walk in directory order so "ls -f" doesn't get upset. */
- p->fts_link = NULL;
- if (head == NULL)
- head = tail = p;
- else {
- tail->fts_link = p;
- tail = p;
- }
- ++nitems;
+ /* We walk in directory order so "ls -f" doesn't get upset. */
+ p->fts_link = NULL;
+ if (head == NULL)
+ head = tail = p;
+ else {
+ tail->fts_link = p;
+ tail = p;
}
- (void)closedir(dirp);
+ ++nitems;
}
+ if (dirp)
+ (void)closedir(dirp);
/*
* If had to realloc the path, adjust the addresses for the rest
register FTSENT *p;
/* Free a linked list of structures. */
- while (p = head) {
+ while ((p = head)) {
head = head->fts_link;
free(p);
}
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