diff options
Diffstat (limited to 'eqn.c')
| -rw-r--r-- | eqn.c | 81 |
1 files changed, 81 insertions, 0 deletions
@@ -0,0 +1,81 @@ +/* $Id: eqn.c,v 1.1 2011/02/06 20:36:36 kristaps Exp $ */ +/* + * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#include "mandoc.h" +#include "roff.h" +#include "libmandoc.h" +#include "libroff.h" + +/* ARGSUSED */ +enum rofferr +eqn_read(struct eqn_node **epp, int ln, const char *p, int offs) +{ + size_t sz; + struct eqn_node *ep; + + if (0 == strcmp(p, ".EN")) { + *epp = NULL; + return(ROFF_EQN); + } + + ep = *epp; + + sz = strlen(&p[offs]); + ep->eqn.data = mandoc_realloc(ep->eqn.data, ep->eqn.sz + sz + 1); + if (0 == ep->eqn.sz) + *ep->eqn.data = '\0'; + + ep->eqn.sz += sz; + strlcat(ep->eqn.data, &p[offs], ep->eqn.sz + 1); + return(ROFF_IGN); +} + +struct eqn_node * +eqn_alloc(int pos, int line) +{ + struct eqn_node *p; + + p = mandoc_calloc(1, sizeof(struct eqn_node)); + p->line = line; + p->pos = pos; + + return(p); +} + +void +eqn_end(struct eqn_node *e) +{ + + /* Nothing to do. */ +} + +void +eqn_free(struct eqn_node *p) +{ + + free(p->eqn.data); + free(p); +} |