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Diffstat (limited to 'bin/dash/src/nodes.c.pat')
| -rw-r--r-- | bin/dash/src/nodes.c.pat | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/bin/dash/src/nodes.c.pat b/bin/dash/src/nodes.c.pat deleted file mode 100644 index 9125bc73..00000000 --- a/bin/dash/src/nodes.c.pat +++ /dev/null @@ -1,166 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * Copyright (c) 1997-2005 - * Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Kenneth Almquist. - * - * 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. - * - * @(#)nodes.c.pat 8.2 (Berkeley) 5/4/95 - */ - -#include <stdlib.h> -/* - * Routine for dealing with parsed shell commands. - */ - -#include "shell.h" -#include "nodes.h" -#include "memalloc.h" -#include "machdep.h" -#include "mystring.h" -#include "system.h" - - -int funcblocksize; /* size of structures in function */ -int funcstringsize; /* size of strings in node */ -pointer funcblock; /* block to allocate function from */ -char *funcstring; /* block to allocate strings from */ - -%SIZES - - -STATIC void calcsize(union node *); -STATIC void sizenodelist(struct nodelist *); -STATIC union node *copynode(union node *); -STATIC struct nodelist *copynodelist(struct nodelist *); -STATIC char *nodesavestr(char *); - - - -/* - * Make a copy of a parse tree. - */ - -struct funcnode * -copyfunc(union node *n) -{ - struct funcnode *f; - size_t blocksize; - - funcblocksize = offsetof(struct funcnode, n); - funcstringsize = 0; - calcsize(n); - blocksize = funcblocksize; - f = ckmalloc(blocksize + funcstringsize); - funcblock = (char *) f + offsetof(struct funcnode, n); - funcstring = (char *) f + blocksize; - copynode(n); - f->count = 0; - return f; -} - - - -STATIC void -calcsize(n) - union node *n; -{ - %CALCSIZE -} - - - -STATIC void -sizenodelist(lp) - struct nodelist *lp; -{ - while (lp) { - funcblocksize += SHELL_ALIGN(sizeof(struct nodelist)); - calcsize(lp->n); - lp = lp->next; - } -} - - - -STATIC union node * -copynode(n) - union node *n; -{ - union node *new; - - %COPY - return new; -} - - -STATIC struct nodelist * -copynodelist(lp) - struct nodelist *lp; -{ - struct nodelist *start; - struct nodelist **lpp; - - lpp = &start; - while (lp) { - *lpp = funcblock; - funcblock = (char *) funcblock + - SHELL_ALIGN(sizeof(struct nodelist)); - (*lpp)->n = copynode(lp->n); - lp = lp->next; - lpp = &(*lpp)->next; - } - *lpp = NULL; - return start; -} - - - -STATIC char * -nodesavestr(s) - char *s; -{ - char *rtn = funcstring; - - funcstring = stpcpy(funcstring, s) + 1; - return rtn; -} - - - -/* - * Free a parse tree. - */ - -void -freefunc(struct funcnode *f) -{ - if (f && --f->count < 0) - ckfree(f); -} |