diff options
Diffstat (limited to 'newlib/libc/search/twalk.c')
-rw-r--r-- | newlib/libc/search/twalk.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/newlib/libc/search/twalk.c b/newlib/libc/search/twalk.c deleted file mode 100644 index 74ad5a615..000000000 --- a/newlib/libc/search/twalk.c +++ /dev/null @@ -1,58 +0,0 @@ -/* $NetBSD: twalk.c,v 1.1 1999/02/22 10:33:16 christos Exp $ */ - -/* - * Tree search generalized from Knuth (6.2.2) Algorithm T just like - * the AT&T man page says. - * - * The node_t structure is for internal use only, lint doesn't grok it. - * - * Written by reading the System V Interface Definition, not the code. - * - * Totally public domain. - */ - -#include <sys/cdefs.h> -#if 0 -#if defined(LIBC_SCCS) && !defined(lint) -__RCSID("$NetBSD: twalk.c,v 1.1 1999/02/22 10:33:16 christos Exp $"); -#endif /* LIBC_SCCS and not lint */ -#endif - -#include <assert.h> -#define _SEARCH_PRIVATE -#include <search.h> -#include <stdlib.h> - -static void trecurse(const node_t *, - void (*action)(const void *, VISIT, int), int level); - -/* Walk the nodes of a tree */ -static void -trecurse(root, action, level) - const node_t *root; /* Root of the tree to be walked */ - void (*action)(const void *, VISIT, int); - int level; -{ - - if (root->llink == NULL && root->rlink == NULL) - (*action)(root, leaf, level); - else { - (*action)(root, preorder, level); - if (root->llink != NULL) - trecurse(root->llink, action, level + 1); - (*action)(root, postorder, level); - if (root->rlink != NULL) - trecurse(root->rlink, action, level + 1); - (*action)(root, endorder, level); - } -} - -/* Walk the nodes of a tree */ -void -_DEFUN(twalk, (vroot, action), - const void *vroot _AND /* Root of the tree to be walked */ - void (*action)(const void *, VISIT, int)) -{ - if (vroot != NULL && action != NULL) - trecurse(vroot, action, 0); -} |