diff options
Diffstat (limited to 'eqn.c')
| -rw-r--r-- | eqn.c | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -30,9 +30,8 @@ #include "mandoc_aux.h" #include "mandoc.h" #include "roff.h" -#include "tbl.h" #include "libmandoc.h" -#include "libroff.h" +#include "eqn_parse.h" #define EQN_NEST_MAX 128 /* maximum nesting of defines */ #define STRNEQ(p1, sz1, p2, sz2) \ @@ -285,6 +284,13 @@ enum parse_mode { MODE_TOK }; +struct eqn_def { + char *key; + size_t keysz; + char *val; + size_t valsz; +}; + static struct eqn_box *eqn_box_alloc(struct eqn_node *, struct eqn_box *); static struct eqn_box *eqn_box_makebinary(struct eqn_node *, struct eqn_box *); @@ -469,6 +475,8 @@ eqn_next(struct eqn_node *ep, enum parse_mode mode) void eqn_box_free(struct eqn_box *bp) { + if (bp == NULL) + return; if (bp->first) eqn_box_free(bp->first); @@ -1093,6 +1101,9 @@ eqn_free(struct eqn_node *p) { int i; + if (p == NULL) + return; + for (i = 0; i < (int)p->defsz; i++) { free(p->defs[i].key); free(p->defs[i].val); |