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