Function repl_exp_parse

modules/dialplan/dp_repl.c:46–99

struct subst_expr* repl_exp_parse(str subst)
{
	struct replace_with rw[MAX_REPLACE_WITH];
	int rw_no;
	struct subst_expr * se;
	int replace_all;
	char * p, *end, *repl, *repl_end;
	int max_pmatch, r;

	se = 0;
	replace_all = 0;
	p = subst.s;
	end = p + subst.len;
	rw_no = 0;

	repl = p;
	if((rw_no = parse_repl(rw, &p, end, &max_pmatch, WITHOUT_SEP))< 0)
		goto error;

	repl_end=p;

	/* construct the subst_expr structure */
	se = shm_malloc(sizeof(struct subst_expr)+
					((rw_no)?(rw_no-1)*sizeof(struct replace_with):0));
		/* 1 replace_with structure is  already included in subst_expr */
	if (se==0){
		LM_ERR("out of shm memory (subst_expr)\n");
		goto error;
	}
	memset((void*)se, 0, sizeof(struct subst_expr));

	se->replacement.len=repl_end-repl;
	if (!(se->replacement.s=shm_malloc(se->replacement.len * sizeof(char))) ){
		LM_ERR("out of shm memory \n");
		goto error;
	}
	if(!rw_no){
		replace_all = 1;
	}
	/* start copying */
	memcpy(se->replacement.s, repl, se->replacement.len);
	se->re=0;
	se->replace_all=replace_all;
	se->n_escapes=rw_no;
	se->max_pmatch=max_pmatch;

	/*replace_with is a simple structure, no shm alloc needed*/
	for (r=0; r<rw_no; r++) se->replace[r]=rw[r];
	return se;

error:
	if (se) { repl_expr_free(se);}
	return NULL;
}


#define MAX_PHONE_NB_DIGITS		127