version 1.35, 2009/03/08 13:52:29 |
version 1.48, 2009/03/17 13:35:46 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the |
* purpose with or without fee is hereby granted, provided that the |
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
#include <err.h> |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#ifndef __OpenBSD__ |
#include <unistd.h> |
#include <time.h> |
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#endif |
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#include "mmain.h" |
#include "mmain.h" |
#include "term.h" |
#include "term.h" |
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struct termenc { |
struct nroffopt { |
const char *enc; |
int fl_h; |
int sym; |
int fl_i; |
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char *arg_m; |
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char *arg_n; |
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char *arg_o; |
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char *arg_r; |
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char *arg_T; |
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struct termp *termp; /* Ephemeral. */ |
}; |
}; |
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__dead void punt(struct nroffopt *, char *); |
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static int option(void *, int, char *); |
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static int optsopt(struct termp *, char *); |
static void body(struct termp *, |
static void body(struct termp *, |
struct termpair *, |
struct termpair *, |
const struct mdoc_meta *, |
const struct mdoc_meta *, |
Line 52 static void nescape(struct termp *, |
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Line 61 static void nescape(struct termp *, |
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static void chara(struct termp *, char); |
static void chara(struct termp *, char); |
static void stringa(struct termp *, |
static void stringa(struct termp *, |
const char *, size_t); |
const char *, size_t); |
static void symbola(struct termp *, enum tsym); |
static void sanity(const struct mdoc_node *); |
static void stylea(struct termp *, enum tstyle); |
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#ifdef __linux__ |
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extern size_t strlcat(char *, const char *, size_t); |
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extern size_t strlcpy(char *, const char *, size_t); |
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#endif |
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static struct termenc termenc1[] = { |
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{ "\\", TERMSYM_SLASH }, |
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{ "\'", TERMSYM_RSQUOTE }, |
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{ "`", TERMSYM_LSQUOTE }, |
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{ "-", TERMSYM_HYPHEN }, |
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{ " ", TERMSYM_SPACE }, |
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{ ".", TERMSYM_PERIOD }, |
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{ "&", TERMSYM_BREAK }, |
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{ "e", TERMSYM_SLASH }, |
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{ "q", TERMSYM_DQUOTE }, |
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{ NULL, 0 } |
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}; |
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static struct termenc termenc2[] = { |
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{ "rB", TERMSYM_RBRACK }, |
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{ "lB", TERMSYM_LBRACK }, |
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{ "ra", TERMSYM_RANGLE }, |
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{ "la", TERMSYM_LANGLE }, |
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{ "Lq", TERMSYM_LDQUOTE }, |
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{ "lq", TERMSYM_LDQUOTE }, |
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{ "Rq", TERMSYM_RDQUOTE }, |
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{ "rq", TERMSYM_RDQUOTE }, |
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{ "oq", TERMSYM_LSQUOTE }, |
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{ "aq", TERMSYM_RSQUOTE }, |
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{ "<-", TERMSYM_LARROW }, |
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{ "->", TERMSYM_RARROW }, |
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{ "ua", TERMSYM_UARROW }, |
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{ "da", TERMSYM_DARROW }, |
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{ "bu", TERMSYM_BULLET }, |
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{ "Ba", TERMSYM_BAR }, |
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{ "ba", TERMSYM_BAR }, |
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{ "co", TERMSYM_COPY }, |
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{ "Am", TERMSYM_AMP }, |
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{ "Le", TERMSYM_LE }, |
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{ "<=", TERMSYM_LE }, |
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{ "Ge", TERMSYM_GE }, |
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{ ">=", TERMSYM_GE }, |
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{ "==", TERMSYM_EQ }, |
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{ "Ne", TERMSYM_NEQ }, |
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{ "!=", TERMSYM_NEQ }, |
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{ "Pm", TERMSYM_PLUSMINUS }, |
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{ "+-", TERMSYM_PLUSMINUS }, |
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{ "If", TERMSYM_INF2 }, |
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{ "if", TERMSYM_INF }, |
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{ "Na", TERMSYM_NAN }, |
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{ "na", TERMSYM_NAN }, |
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{ "**", TERMSYM_ASTERISK }, |
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{ "Gt", TERMSYM_GT }, |
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{ "Lt", TERMSYM_LT }, |
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{ "aa", TERMSYM_ACUTE }, |
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{ "ga", TERMSYM_GRAVE }, |
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{ "en", TERMSYM_EN }, |
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{ "em", TERMSYM_EM }, |
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{ "Pi", TERMSYM_PI }, |
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{ NULL, 0 } |
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}; |
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static struct termsym termsym_ansi[] = { |
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{ "]", 1 }, /* TERMSYM_RBRACK */ |
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{ "[", 1 }, /* TERMSYM_LBRACK */ |
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{ "<-", 2 }, /* TERMSYM_LARROW */ |
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{ "->", 2 }, /* TERMSYM_RARROW */ |
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{ "^", 1 }, /* TERMSYM_UARROW */ |
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{ "v", 1 }, /* TERMSYM_DARROW */ |
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{ "`", 1 }, /* TERMSYM_LSQUOTE */ |
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{ "\'", 1 }, /* TERMSYM_RSQUOTE */ |
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{ "\'", 1 }, /* TERMSYM_SQUOTE */ |
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{ "``", 2 }, /* TERMSYM_LDQUOTE */ |
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{ "\'\'", 2 }, /* TERMSYM_RDQUOTE */ |
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{ "\"", 1 }, /* TERMSYM_DQUOTE */ |
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{ "<", 1 }, /* TERMSYM_LT */ |
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{ ">", 1 }, /* TERMSYM_GT */ |
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{ "<=", 2 }, /* TERMSYM_LE */ |
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{ ">=", 2 }, /* TERMSYM_GE */ |
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{ "==", 2 }, /* TERMSYM_EQ */ |
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{ "!=", 2 }, /* TERMSYM_NEQ */ |
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{ "\'", 1 }, /* TERMSYM_ACUTE */ |
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{ "`", 1 }, /* TERMSYM_GRAVE */ |
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{ "pi", 2 }, /* TERMSYM_PI */ |
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{ "+=", 2 }, /* TERMSYM_PLUSMINUS */ |
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{ "oo", 2 }, /* TERMSYM_INF */ |
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{ "infinity", 8 }, /* TERMSYM_INF2 */ |
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{ "NaN", 3 }, /* TERMSYM_NAN */ |
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{ "|", 1 }, /* TERMSYM_BAR */ |
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{ "o", 1 }, /* TERMSYM_BULLET */ |
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{ "&", 1 }, /* TERMSYM_AMP */ |
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{ "--", 2 }, /* TERMSYM_EM */ |
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{ "-", 1 }, /* TERMSYM_EN */ |
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{ "(C)", 3 }, /* TERMSYM_COPY */ |
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{ "*", 1 }, /* TERMSYM_ASTERISK */ |
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{ "\\", 1 }, /* TERMSYM_SLASH */ |
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{ "-", 1 }, /* TERMSYM_HYPHEN */ |
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{ " ", 1 }, /* TERMSYM_SPACE */ |
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{ ".", 1 }, /* TERMSYM_PERIOD */ |
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{ "", 0 }, /* TERMSYM_BREAK */ |
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{ "<", 1 }, /* TERMSYM_LANGLE */ |
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{ ">", 1 }, /* TERMSYM_RANGLE */ |
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}; |
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static const char ansi_clear[] = { 27, '[', '0', 'm' }; |
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static const char ansi_bold[] = { 27, '[', '1', 'm' }; |
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static const char ansi_under[] = { 27, '[', '4', 'm' }; |
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static struct termsym termstyle_ansi[] = { |
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{ ansi_clear, 4 }, |
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{ ansi_bold, 4 }, |
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{ ansi_under, 4 } |
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}; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
struct mmain *p; |
struct mmain *p; |
int c; |
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const struct mdoc *mdoc; |
const struct mdoc *mdoc; |
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struct nroffopt nroff; |
struct termp termp; |
struct termp termp; |
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int c; |
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char *in; |
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(void)memset(&termp, 0, sizeof(struct termp)); |
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(void)memset(&nroff, 0, sizeof(struct nroffopt)); |
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termp.maxrmargin = termp.rmargin = 78; /* FIXME */ |
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termp.maxcols = 1024; /* FIXME */ |
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termp.flags = TERMP_NOSPACE; |
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termp.symtab = ascii2htab(); |
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nroff.termp = &termp; |
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p = mmain_alloc(); |
p = mmain_alloc(); |
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c = mmain_getopt(p, argc, argv, NULL, NULL, NULL, NULL); |
c = mmain_getopt(p, argc, argv, "[-Ooption...]", |
if (1 != c) |
"[infile]", "him:n:o:r:T:O:", &nroff, option); |
mmain_exit(p, -1 == c ? 1 : 0); |
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if (NULL == (mdoc = mmain_mdoc(p))) |
/* FIXME: this needs to accept multiple outputs. */ |
mmain_exit(p, 1); |
argv += c; |
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if ((argc -= c) > 0) |
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in = *argv++; |
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else |
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in = "-"; |
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termp.maxrmargin = termp.rmargin = 78; /* XXX */ |
mmain_prepare(p, in); |
termp.maxcols = 1024; |
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termp.offset = termp.col = 0; |
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termp.flags = TERMP_NOSPACE; |
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termp.symtab = termsym_ansi; |
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termp.styletab = termstyle_ansi; |
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if (NULL == (mdoc = mmain_process(p))) { |
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if (TERMP_NOPUNT & termp.iflags) |
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mmain_exit(p, 1); |
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mmain_free(p); |
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punt(&nroff, in); |
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/* NOTREACHED */ |
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} |
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if (NULL == (termp.buf = malloc(termp.maxcols))) |
if (NULL == (termp.buf = malloc(termp.maxcols))) |
err(1, "malloc"); |
err(1, "malloc"); |
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Line 208 main(int argc, char *argv[]) |
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Line 113 main(int argc, char *argv[]) |
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footer(&termp, mdoc_meta(mdoc)); |
footer(&termp, mdoc_meta(mdoc)); |
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free(termp.buf); |
free(termp.buf); |
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asciifree(termp.symtab); |
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mmain_exit(p, 0); |
mmain_exit(p, 0); |
/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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static int |
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optsopt(struct termp *p, char *arg) |
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{ |
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char *v; |
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char *toks[] = { "nopunt", NULL }; |
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while (*arg) |
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switch (getsubopt(&arg, toks, &v)) { |
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case (0): |
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p->iflags |= TERMP_NOPUNT; |
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break; |
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default: |
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warnx("unknown -O argument"); |
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return(0); |
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} |
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return(1); |
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} |
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static int |
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option(void *ptr, int c, char *arg) |
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{ |
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struct termp *termp; |
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struct nroffopt *nroff; |
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nroff = (struct nroffopt *)ptr; |
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termp = nroff->termp; |
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switch (c) { |
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case ('h'): |
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nroff->fl_h = 1; |
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break; |
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case ('i'): |
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nroff->fl_i = 1; |
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break; |
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case ('m'): |
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nroff->arg_m = arg; |
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break; |
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case ('n'): |
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nroff->arg_n = arg; |
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break; |
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case ('o'): |
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nroff->arg_o = arg; |
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break; |
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case ('r'): |
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nroff->arg_r = arg; |
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break; |
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case ('T'): |
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nroff->arg_T = arg; |
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break; |
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case ('O'): |
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return(optsopt(termp, arg)); |
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default: |
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break; |
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} |
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return(1); |
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} |
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/* |
/* |
* Flush a line of text. A "line" is loosely defined as being something |
* Flush a line of text. A "line" is loosely defined as being something |
* that should be followed by a newline, regardless of whether it's |
* that should be followed by a newline, regardless of whether it's |
Line 283 flushln(struct termp *p) |
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Line 250 flushln(struct termp *p) |
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* space is printed according to regular spacing rules). |
* space is printed according to regular spacing rules). |
*/ |
*/ |
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/* FIXME: make non-ANSI friendly. */ |
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/* LINTED */ |
/* LINTED */ |
for (j = i, vsz = 0; j < p->col; j++) { |
for (j = i, vsz = 0; j < p->col; j++) { |
if (isspace((u_char)p->buf[j])) |
if (' ' == p->buf[j]) |
break; |
break; |
else if (27 == p->buf[j]) { |
else if (8 == p->buf[j]) |
assert(j + 4 <= p->col); |
j += 1; |
j += 3; |
else |
} else |
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vsz++; |
vsz++; |
} |
} |
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Line 334 flushln(struct termp *p) |
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Line 298 flushln(struct termp *p) |
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*/ |
*/ |
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for ( ; i < p->col; i++) { |
for ( ; i < p->col; i++) { |
if (isspace((u_char)p->buf[i])) |
if (' ' == p->buf[i]) |
break; |
break; |
putchar(p->buf[i]); |
putchar(p->buf[i]); |
} |
} |
Line 426 word(struct termp *p, const char *word) |
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Line 390 word(struct termp *p, const char *word) |
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return; |
return; |
} |
} |
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len = strlen(word); |
if (0 == (len = strlen(word))) |
assert(len > 0); |
errx(1, "blank line not in literal context"); |
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if (mdoc_isdelim(word)) { |
if (mdoc_isdelim(word)) { |
if ( ! (p->flags & TERMP_IGNDELIM)) |
if ( ! (p->flags & TERMP_IGNDELIM)) |
Line 437 word(struct termp *p, const char *word) |
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Line 401 word(struct termp *p, const char *word) |
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/* LINTED */ |
/* LINTED */ |
for (j = i = 0; i < len; i++) { |
for (j = i = 0; i < len; i++) { |
if ( ! isspace((u_char)word[i])) { |
if (' ' != word[i]) { |
j++; |
j++; |
continue; |
continue; |
} |
} |
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/* Escaped spaces don't delimit... */ |
/* Escaped spaces don't delimit... */ |
if (i > 0 && isspace((u_char)word[i]) && |
if (i && ' ' == word[i] && '\\' == word[i - 1]) { |
'\\' == word[i - 1]) { |
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j++; |
j++; |
continue; |
continue; |
} |
} |
Line 476 body(struct termp *p, struct termpair *ppair, |
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Line 439 body(struct termp *p, struct termpair *ppair, |
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int dochild; |
int dochild; |
struct termpair pair; |
struct termpair pair; |
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/* Some quick sanity-checking. */ |
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sanity(node); |
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/* Pre-processing. */ |
/* Pre-processing. */ |
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dochild = 1; |
dochild = 1; |
Line 647 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 614 header(struct termp *p, const struct mdoc_meta *meta) |
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static void |
static void |
nescape(struct termp *p, const char *word, size_t len) |
nescape(struct termp *p, const char *word, size_t len) |
{ |
{ |
struct termenc *enc; |
const char *rhs; |
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size_t sz; |
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switch (len) { |
if (NULL == (rhs = a2ascii(p->symtab, word, len, &sz))) { |
case (1): |
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enc = termenc1; |
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break; |
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case (2): |
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enc = termenc2; |
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break; |
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default: |
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warnx("unsupported %zu-byte escape sequence", len); |
warnx("unsupported %zu-byte escape sequence", len); |
return; |
return; |
} |
} |
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for ( ; enc->enc; enc++) |
stringa(p, rhs, sz); |
if (0 == memcmp(enc->enc, word, len)) { |
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symbola(p, enc->sym); |
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return; |
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} |
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warnx("unsupported %zu-byte escape sequence", len); |
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} |
} |
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Line 681 pescape(struct termp *p, const char *word, size_t *i, |
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Line 636 pescape(struct termp *p, const char *word, size_t *i, |
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{ |
{ |
size_t j; |
size_t j; |
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(*i)++; |
if (++(*i) >= len) { |
assert(*i < len); |
warnx("ignoring bad escape sequence"); |
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return; |
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} |
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if ('(' == word[*i]) { |
if ('(' == word[*i]) { |
(*i)++; |
(*i)++; |
assert(*i + 1 < len); |
if (*i + 1 >= len) { |
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warnx("ignoring bad escape sequence"); |
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return; |
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} |
nescape(p, &word[*i], 2); |
nescape(p, &word[*i], 2); |
(*i)++; |
(*i)++; |
return; |
return; |
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} else if ('*' == word[*i]) { |
} else if ('*' == word[*i]) { |
/* XXX - deprecated! */ |
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(*i)++; |
(*i)++; |
assert(*i < len); |
if (*i >= len) { |
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warnx("ignoring bad escape sequence"); |
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return; |
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} |
switch (word[*i]) { |
switch (word[*i]) { |
case ('('): |
case ('('): |
(*i)++; |
(*i)++; |
assert(*i + 1 < len); |
if (*i + 1 >= len) { |
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warnx("ignoring bad escape sequence"); |
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return; |
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} |
nescape(p, &word[*i], 2); |
nescape(p, &word[*i], 2); |
(*i)++; |
(*i)++; |
return; |
return; |
Line 718 pescape(struct termp *p, const char *word, size_t *i, |
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Line 683 pescape(struct termp *p, const char *word, size_t *i, |
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for (j = 0; word[*i] && ']' != word[*i]; (*i)++, j++) |
for (j = 0; word[*i] && ']' != word[*i]; (*i)++, j++) |
/* Loop... */ ; |
/* Loop... */ ; |
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assert(word[*i]); |
if (0 == word[*i]) { |
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warnx("ignoring bad escape sequence"); |
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return; |
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} |
nescape(p, &word[*i - j], j); |
nescape(p, &word[*i - j], j); |
} |
} |
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Line 741 pword(struct termp *p, const char *word, size_t len) |
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Line 709 pword(struct termp *p, const char *word, size_t len) |
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p->flags &= ~TERMP_NOSPACE; |
p->flags &= ~TERMP_NOSPACE; |
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/* |
/* |
* XXX - if literal and underlining, this will underline the |
* If ANSI (word-length styling), then apply our style now, |
* spaces between literal words. |
* before the word. |
*/ |
*/ |
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if (p->flags & TERMP_BOLD) |
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stylea(p, TERMSTYLE_BOLD); |
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if (p->flags & TERMP_UNDERLINE) |
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stylea(p, TERMSTYLE_UNDER); |
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for (i = 0; i < len; i++) { |
for (i = 0; i < len; i++) { |
if ('\\' == word[i]) { |
if ('\\' == word[i]) { |
pescape(p, word, &i, len); |
pescape(p, word, &i, len); |
continue; |
continue; |
} |
} |
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if (TERMP_STYLE & p->flags) { |
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if (TERMP_BOLD & p->flags) { |
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chara(p, word[i]); |
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chara(p, 8); |
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} |
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if (TERMP_UNDER & p->flags) { |
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chara(p, '_'); |
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chara(p, 8); |
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} |
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} |
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chara(p, word[i]); |
chara(p, word[i]); |
} |
} |
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if (p->flags & TERMP_BOLD || |
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p->flags & TERMP_UNDERLINE) |
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stylea(p, TERMSTYLE_CLEAR); |
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} |
} |
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/* |
/* |
* Add a symbol to the output line buffer. |
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*/ |
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static void |
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symbola(struct termp *p, enum tsym sym) |
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{ |
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assert(p->symtab[sym].sym); |
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stringa(p, p->symtab[sym].sym, p->symtab[sym].sz); |
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} |
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/* |
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* Add a style to the output line buffer. |
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*/ |
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static void |
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stylea(struct termp *p, enum tstyle style) |
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{ |
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assert(p->styletab[style].sym); |
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stringa(p, p->styletab[style].sym, p->styletab[style].sz); |
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} |
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/* |
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* Like chara() but for arbitrary-length buffers. Resize the buffer by |
* Like chara() but for arbitrary-length buffers. Resize the buffer by |
* a factor of two (if the buffer is less than that) or the buffer's |
* a factor of two (if the buffer is less than that) or the buffer's |
* size. |
* size. |
Line 833 chara(struct termp *p, char c) |
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Line 780 chara(struct termp *p, char c) |
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} |
} |
p->buf[(p->col)++] = c; |
p->buf[(p->col)++] = c; |
} |
} |
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static void |
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sanity(const struct mdoc_node *n) |
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{ |
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switch (n->type) { |
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case (MDOC_TEXT): |
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if (n->child) |
|
errx(1, "regular form violated (1)"); |
|
if (NULL == n->parent) |
|
errx(1, "regular form violated (2)"); |
|
if (NULL == n->string) |
|
errx(1, "regular form violated (3)"); |
|
switch (n->parent->type) { |
|
case (MDOC_TEXT): |
|
/* FALLTHROUGH */ |
|
case (MDOC_ROOT): |
|
errx(1, "regular form violated (4)"); |
|
/* NOTREACHED */ |
|
default: |
|
break; |
|
} |
|
break; |
|
case (MDOC_ELEM): |
|
if (NULL == n->parent) |
|
errx(1, "regular form violated (5)"); |
|
switch (n->parent->type) { |
|
case (MDOC_TAIL): |
|
/* FALLTHROUGH */ |
|
case (MDOC_BODY): |
|
/* FALLTHROUGH */ |
|
case (MDOC_HEAD): |
|
break; |
|
default: |
|
errx(1, "regular form violated (6)"); |
|
/* NOTREACHED */ |
|
} |
|
if (n->child) switch (n->child->type) { |
|
case (MDOC_TEXT): |
|
break; |
|
default: |
|
errx(1, "regular form violated (7("); |
|
/* NOTREACHED */ |
|
} |
|
break; |
|
case (MDOC_HEAD): |
|
/* FALLTHROUGH */ |
|
case (MDOC_BODY): |
|
/* FALLTHROUGH */ |
|
case (MDOC_TAIL): |
|
if (NULL == n->parent) |
|
errx(1, "regular form violated (8)"); |
|
if (MDOC_BLOCK != n->parent->type) |
|
errx(1, "regular form violated (9)"); |
|
if (n->child) switch (n->child->type) { |
|
case (MDOC_BLOCK): |
|
/* FALLTHROUGH */ |
|
case (MDOC_ELEM): |
|
/* FALLTHROUGH */ |
|
case (MDOC_TEXT): |
|
break; |
|
default: |
|
errx(1, "regular form violated (a)"); |
|
/* NOTREACHED */ |
|
} |
|
break; |
|
case (MDOC_BLOCK): |
|
if (NULL == n->parent) |
|
errx(1, "regular form violated (b)"); |
|
if (NULL == n->child) |
|
errx(1, "regular form violated (c)"); |
|
switch (n->parent->type) { |
|
case (MDOC_ROOT): |
|
/* FALLTHROUGH */ |
|
case (MDOC_HEAD): |
|
/* FALLTHROUGH */ |
|
case (MDOC_BODY): |
|
/* FALLTHROUGH */ |
|
case (MDOC_TAIL): |
|
break; |
|
default: |
|
errx(1, "regular form violated (d)"); |
|
/* NOTREACHED */ |
|
} |
|
switch (n->child->type) { |
|
case (MDOC_ROOT): |
|
/* FALLTHROUGH */ |
|
case (MDOC_ELEM): |
|
errx(1, "regular form violated (e)"); |
|
/* NOTREACHED */ |
|
default: |
|
break; |
|
} |
|
break; |
|
case (MDOC_ROOT): |
|
if (n->parent) |
|
errx(1, "regular form violated (f)"); |
|
if (NULL == n->child) |
|
errx(1, "regular form violated (10)"); |
|
switch (n->child->type) { |
|
case (MDOC_BLOCK): |
|
break; |
|
default: |
|
errx(1, "regular form violated (11)"); |
|
/* NOTREACHED */ |
|
} |
|
break; |
|
} |
|
} |
|
|
|
|
|
__dead void |
|
punt(struct nroffopt *nroff, char *in) |
|
{ |
|
char *args[32]; |
|
char arg0[32], argm[32]; |
|
int i; |
|
|
|
warnx("punting to nroff!"); |
|
|
|
i = 0; |
|
|
|
(void)strlcpy(arg0, "nroff", 32); |
|
args[i++] = arg0; |
|
|
|
if (nroff->fl_h) |
|
args[i++] = "-h"; |
|
if (nroff->fl_i) |
|
args[i++] = "-i"; |
|
|
|
if (nroff->arg_m) { |
|
(void)strlcpy(argm, "-m", 32); |
|
(void)strlcat(argm, nroff->arg_m, 32); |
|
args[i++] = argm; |
|
} else |
|
args[i++] = "-mandoc"; |
|
|
|
args[i++] = in; |
|
args[i++] = (char *)NULL; |
|
|
|
(void)execvp("nroff", args); |
|
errx(1, "exec"); |
|
/* NOTREACHED */ |
|
} |
|
|