diff options
Diffstat (limited to 'roff.c')
| -rw-r--r-- | roff.c | 28 |
1 files changed, 19 insertions, 9 deletions
@@ -1,4 +1,4 @@ -/* $Id: roff.c,v 1.272 2015/06/27 13:29:14 schwarze Exp $ */ +/* $Id: roff.c,v 1.273 2015/08/29 20:26:04 schwarze Exp $ */ /* * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org> @@ -335,6 +335,7 @@ struct roff { int rstacksz; /* current size limit of rstack */ int rstackpos; /* position in rstack */ int format; /* current file in mdoc or man format */ + int argc; /* number of args of the last macro */ char control; /* control character */ }; @@ -411,7 +412,8 @@ static int roff_getnum(const char *, int *, int *, int); static int roff_getop(const char *, int *, char *); static int roff_getregn(const struct roff *, const char *, size_t); -static int roff_getregro(const char *name); +static int roff_getregro(const struct roff *, + const char *name); static const char *roff_getstrn(const struct roff *, const char *, size_t); static int roff_hasregn(const struct roff *, @@ -2575,10 +2577,12 @@ roff_setreg(struct roff *r, const char *name, int val, char sign) * were to turn up, another special value would have to be chosen. */ static int -roff_getregro(const char *name) +roff_getregro(const struct roff *r, const char *name) { switch (*name) { + case '$': /* Number of arguments of the last macro evaluated. */ + return(r->argc); case 'A': /* ASCII approximation mode is always off. */ return(0); case 'g': /* Groff compatibility mode is always on. */ @@ -2603,7 +2607,7 @@ roff_getreg(const struct roff *r, const char *name) int val; if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) { - val = roff_getregro(name + 1); + val = roff_getregro(r, name + 1); if (-1 != val) return (val); } @@ -2622,7 +2626,7 @@ roff_getregn(const struct roff *r, const char *name, size_t len) int val; if ('.' == name[0] && 2 == len) { - val = roff_getregro(name + 1); + val = roff_getregro(r, name + 1); if (-1 != val) return (val); } @@ -2642,7 +2646,7 @@ roff_hasregn(const struct roff *r, const char *name, size_t len) int val; if ('.' == name[0] && 2 == len) { - val = roff_getregro(name + 1); + val = roff_getregro(r, name + 1); if (-1 != val) return(1); } @@ -3084,10 +3088,16 @@ roff_userdef(ROFF_ARGS) * and NUL-terminate them. */ + r->argc = 0; cp = buf->buf + pos; - for (i = 0; i < 9; i++) - arg[i] = *cp == '\0' ? "" : - mandoc_getarg(r->parse, &cp, ln, &pos); + for (i = 0; i < 9; i++) { + if (*cp == '\0') + arg[i] = ""; + else { + arg[i] = mandoc_getarg(r->parse, &cp, ln, &pos); + r->argc = i + 1; + } + } /* * Expand macro arguments. |