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Annotation of embedaddon/libpdel/tmpl/tmpl_mem.c, revision 1.1.1.1

1.1       misho       1: 
                      2: /*
                      3:  * Copyright (c) 2001-2002 Packet Design, LLC.
                      4:  * All rights reserved.
                      5:  * 
                      6:  * Subject to the following obligations and disclaimer of warranty,
                      7:  * use and redistribution of this software, in source or object code
                      8:  * forms, with or without modifications are expressly permitted by
                      9:  * Packet Design; provided, however, that:
                     10:  * 
                     11:  *    (i)  Any and all reproductions of the source or object code
                     12:  *         must include the copyright notice above and the following
                     13:  *         disclaimer of warranties; and
                     14:  *    (ii) No rights are granted, in any manner or form, to use
                     15:  *         Packet Design trademarks, including the mark "PACKET DESIGN"
                     16:  *         on advertising, endorsements, or otherwise except as such
                     17:  *         appears in the above copyright notice or in the software.
                     18:  * 
                     19:  * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
                     20:  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
                     21:  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
                     22:  * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
                     23:  * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
                     24:  * OR NON-INFRINGEMENT.  PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
                     25:  * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
                     26:  * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
                     27:  * RELIABILITY OR OTHERWISE.  IN NO EVENT SHALL PACKET DESIGN BE
                     28:  * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
                     29:  * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
                     30:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
                     31:  * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
                     32:  * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
                     33:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     34:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
                     35:  * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
                     36:  * THE POSSIBILITY OF SUCH DAMAGE.
                     37:  *
                     38:  * Author: Archie Cobbs <archie@freebsd.org>
                     39:  */
                     40: 
                     41: #include "tmpl_internal.h"
                     42: 
                     43: /*
                     44:  * Free an array of parse elements.
                     45:  */
                     46: void
                     47: _tmpl_free_elems(const char *mtype, void *eblock,
                     48:        struct tmpl_elem *elems, int num)
                     49: {
                     50:        int i;
                     51: 
                     52:        if (eblock != NULL) {
                     53:                FREE(mtype, eblock);
                     54:                return;
                     55:        }
                     56:        for (i = 0; i < num; i++) {
                     57:                if ((elems[i].flags & TMPL_ELEM_MMAP_TEXT) == 0)
                     58:                        FREE(mtype, elems[i].text);
                     59:                _tmpl_free_call(mtype, &elems[i].call);
                     60:        }
                     61:        FREE(mtype, elems);
                     62: }
                     63: 
                     64: /*
                     65:  * Free a run-time function structure.
                     66:  */
                     67: void
                     68: _tmpl_free_func(struct tmpl_ctx *ctx, struct exec_func *func)
                     69: {
                     70:        /* Free name */
                     71:        FREE(ctx->mtype, func->name);
                     72: 
                     73:        /* Free elements */
                     74:        _tmpl_free_elems(ctx->mtype, func->eblock, func->elems, func->num_elems);
                     75: }
                     76: 
                     77: /*
                     78:  * Free a parsed function call structure.
                     79:  */
                     80: void
                     81: _tmpl_free_call(const char *mtype, struct func_call *call)
                     82: {
                     83:        int i;
                     84: 
                     85:        for (i = 0; i < call->nargs; i++)
                     86:                _tmpl_free_arg(mtype, &call->args[i]);
                     87:        FREE(mtype, call->args);
                     88:        FREE(mtype, call->funcname);
                     89:        memset(call, 0, sizeof(*call));
                     90: }
                     91: 
                     92: /*
                     93:  * Free a parsed function argument.
                     94:  */
                     95: void
                     96: _tmpl_free_arg(const char *mtype, struct func_arg *arg)
                     97: {
                     98:        if (arg->is_literal) {
                     99:                FREE(mtype, arg->u.literal);
                    100:                arg->u.literal = NULL;
                    101:        } else
                    102:                _tmpl_free_call(mtype, &arg->u.call);
                    103:        memset(arg, 0, sizeof(*arg));
                    104: }
                    105: