diff options
Diffstat (limited to 'eqn.c')
| -rw-r--r-- | eqn.c | 13 |
1 files changed, 8 insertions, 5 deletions
@@ -1,4 +1,4 @@ -/* $Id: eqn.c,v 1.37 2011/07/23 18:44:42 kristaps Exp $ */ +/* $Id: eqn.c,v 1.38 2011/07/25 15:37:00 kristaps Exp $ */ /* * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> * @@ -294,8 +294,7 @@ eqn_read(struct eqn_node **epp, int ln, */ if (0 == strncmp(p, ".EN", 3)) { - er = eqn_end(ep); - *epp = NULL; + er = eqn_end(epp); p += 3; while (' ' == *p || '\t' == *p) p++; @@ -333,7 +332,7 @@ eqn_alloc(const char *name, int pos, int line, struct mparse *parse) p = mandoc_calloc(1, sizeof(struct eqn_node)); - if ('\0' != *name) { + if (name && '\0' != *name) { sz = strlen(name); assert(sz); do { @@ -352,11 +351,15 @@ eqn_alloc(const char *name, int pos, int line, struct mparse *parse) } enum rofferr -eqn_end(struct eqn_node *ep) +eqn_end(struct eqn_node **epp) { + struct eqn_node *ep; struct eqn_box *root; enum eqn_rest c; + ep = *epp; + *epp = NULL; + ep->eqn.root = mandoc_calloc(1, sizeof(struct eqn_box)); root = ep->eqn.root; |