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authorKristaps Dzonsons <kristaps@bsd.lv>2010-11-30 12:59:20 +0000
committerKristaps Dzonsons <kristaps@bsd.lv>2010-11-30 12:59:20 +0000
commita955ef6146dcabdef4d8cb7da75c04f1744d0853 (patch)
tree6b2897ade8892c24ecfe1ddb55e1aff7f532bcbe
parent5f6810639ce80dbb325aa84b14193a5b7dbecb34 (diff)
downloadmandoc-a955ef6146dcabdef4d8cb7da75c04f1744d0853.tar.gz
Moved all prologue actions from mdoc_action.c into mdoc_validate.c. The
file is now ready for removal.
-rw-r--r--mdoc_action.c268
-rw-r--r--mdoc_validate.c368
2 files changed, 299 insertions, 337 deletions
diff --git a/mdoc_action.c b/mdoc_action.c
index f458217f..24d7586b 100644
--- a/mdoc_action.c
+++ b/mdoc_action.c
@@ -32,7 +32,6 @@
#include "libmdoc.h"
#include "libmandoc.h"
-#define DATESIZ 32
/*
* FIXME: this file is deprecated. All future "actions" should be
* pushed into mdoc_validate.c.
@@ -46,20 +45,11 @@ struct actions {
int (*post)(POST_ARGS);
};
-static int concat(struct mdoc *, char *,
- const struct mdoc_node *, size_t);
-
-static int post_dd(POST_ARGS);
-static int post_dt(POST_ARGS);
-static int post_os(POST_ARGS);
-static int post_prol(POST_ARGS);
-static int post_std(POST_ARGS);
-
static const struct actions mdoc_actions[MDOC_MAX] = {
{ NULL, NULL }, /* Ap */
- { NULL, post_dd }, /* Dd */
- { NULL, post_dt }, /* Dt */
- { NULL, post_os }, /* Os */
+ { NULL, NULL }, /* Dd */
+ { NULL, NULL }, /* Dt */
+ { NULL, NULL }, /* Os */
{ NULL, NULL }, /* Sh */
{ NULL, NULL }, /* Ss */
{ NULL, NULL }, /* Pp */
@@ -78,7 +68,7 @@ static const struct actions mdoc_actions[MDOC_MAX] = {
{ NULL, NULL }, /* Dv */
{ NULL, NULL }, /* Er */
{ NULL, NULL }, /* Ev */
- { NULL, post_std }, /* Ex */
+ { NULL, NULL }, /* Ex */
{ NULL, NULL }, /* Fa */
{ NULL, NULL }, /* Fd */
{ NULL, NULL }, /* Fl */
@@ -92,7 +82,7 @@ static const struct actions mdoc_actions[MDOC_MAX] = {
{ NULL, NULL }, /* Op */
{ NULL, NULL }, /* Ot */
{ NULL, NULL }, /* Pa */
- { NULL, post_std }, /* Rv */
+ { NULL, NULL }, /* Rv */
{ NULL, NULL }, /* St */
{ NULL, NULL }, /* Va */
{ NULL, NULL }, /* Vt */
@@ -222,251 +212,3 @@ mdoc_action_post(struct mdoc *m)
return((*mdoc_actions[m->last->tok].post)(m, m->last));
}
-
-/*
- * Concatenate sibling nodes together. All siblings must be of type
- * MDOC_TEXT or an assertion is raised. Concatenation is separated by a
- * single whitespace.
- */
-static int
-concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz)
-{
-
- assert(sz);
- p[0] = '\0';
- for ( ; n; n = n->next) {
- assert(MDOC_TEXT == n->type);
- /*
- * XXX: yes, these can technically be resized, but it's
- * highly unlikely that we're going to get here, so let
- * it slip for now.
- */
- if (strlcat(p, n->string, sz) >= sz) {
- mdoc_nmsg(m, n, MANDOCERR_MEM);
- return(0);
- }
- if (NULL == n->next)
- continue;
- if (strlcat(p, " ", sz) >= sz) {
- mdoc_nmsg(m, n, MANDOCERR_MEM);
- return(0);
- }
- }
-
- return(1);
-}
-
-
-/*
- * Macros accepting `-std' as an argument have the name of the current
- * document (`Nm') filled in as the argument if it's not provided.
- */
-static int
-post_std(POST_ARGS)
-{
- struct mdoc_node *nn;
-
- if (n->child)
- return(1);
- if (NULL == m->meta.name)
- return(1);
-
- nn = n;
- m->next = MDOC_NEXT_CHILD;
-
- if ( ! mdoc_word_alloc(m, n->line, n->pos, m->meta.name))
- return(0);
- m->last = nn;
- return(1);
-}
-
-/*
- * Parse out the contents of `Dt'. See in-line documentation for how we
- * handle the various fields of this macro.
- */
-static int
-post_dt(POST_ARGS)
-{
- struct mdoc_node *nn;
- const char *cp;
-
- if (m->meta.title)
- free(m->meta.title);
- if (m->meta.vol)
- free(m->meta.vol);
- if (m->meta.arch)
- free(m->meta.arch);
-
- m->meta.title = m->meta.vol = m->meta.arch = NULL;
- /* Handles: `.Dt'
- * --> title = unknown, volume = local, msec = 0, arch = NULL
- */
-
- if (NULL == (nn = n->child)) {
- /* XXX: make these macro values. */
- /* FIXME: warn about missing values. */
- m->meta.title = mandoc_strdup("UNKNOWN");
- m->meta.vol = mandoc_strdup("LOCAL");
- m->meta.msec = mandoc_strdup("1");
- return(post_prol(m, n));
- }
-
- /* Handles: `.Dt TITLE'
- * --> title = TITLE, volume = local, msec = 0, arch = NULL
- */
-
- m->meta.title = mandoc_strdup
- ('\0' == nn->string[0] ? "UNKNOWN" : nn->string);
-
- if (NULL == (nn = nn->next)) {
- /* FIXME: warn about missing msec. */
- /* XXX: make this a macro value. */
- m->meta.vol = mandoc_strdup("LOCAL");
- m->meta.msec = mandoc_strdup("1");
- return(post_prol(m, n));
- }
-
- /* Handles: `.Dt TITLE SEC'
- * --> title = TITLE, volume = SEC is msec ?
- * format(msec) : SEC,
- * msec = SEC is msec ? atoi(msec) : 0,
- * arch = NULL
- */
-
- cp = mdoc_a2msec(nn->string);
- if (cp) {
- m->meta.vol = mandoc_strdup(cp);
- m->meta.msec = mandoc_strdup(nn->string);
- } else if (mdoc_nmsg(m, n, MANDOCERR_BADMSEC)) {
- m->meta.vol = mandoc_strdup(nn->string);
- m->meta.msec = mandoc_strdup(nn->string);
- } else
- return(0);
-
- if (NULL == (nn = nn->next))
- return(post_prol(m, n));
-
- /* Handles: `.Dt TITLE SEC VOL'
- * --> title = TITLE, volume = VOL is vol ?
- * format(VOL) :
- * VOL is arch ? format(arch) :
- * VOL
- */
-
- cp = mdoc_a2vol(nn->string);
- if (cp) {
- free(m->meta.vol);
- m->meta.vol = mandoc_strdup(cp);
- } else {
- /* FIXME: warn about bad arch. */
- cp = mdoc_a2arch(nn->string);
- if (NULL == cp) {
- free(m->meta.vol);
- m->meta.vol = mandoc_strdup(nn->string);
- } else
- m->meta.arch = mandoc_strdup(cp);
- }
-
- /* Ignore any subsequent parameters... */
- /* FIXME: warn about subsequent parameters. */
-
- return(post_prol(m, n));
-}
-
-
-/*
- * Set the operating system by way of the `Os' macro. Note that if an
- * argument isn't provided and -DOSNAME="\"foo\"" is provided during
- * compilation, this value will be used instead of filling in "sysname
- * release" from uname().
- */
-static int
-post_os(POST_ARGS)
-{
- char buf[BUFSIZ];
-#ifndef OSNAME
- struct utsname utsname;
-#endif
-
- if (m->meta.os)
- free(m->meta.os);
-
- if ( ! concat(m, buf, n->child, BUFSIZ))
- return(0);
-
- /* XXX: yes, these can all be dynamically-adjusted buffers, but
- * it's really not worth the extra hackery.
- */
-
- if ('\0' == buf[0]) {
-#ifdef OSNAME
- if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) {
- mdoc_nmsg(m, n, MANDOCERR_MEM);
- return(0);
- }
-#else /*!OSNAME */
- if (-1 == uname(&utsname))
- return(mdoc_nmsg(m, n, MANDOCERR_UTSNAME));
-
- if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) {
- mdoc_nmsg(m, n, MANDOCERR_MEM);
- return(0);
- }
- if (strlcat(buf, " ", 64) >= BUFSIZ) {
- mdoc_nmsg(m, n, MANDOCERR_MEM);
- return(0);
- }
- if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) {
- mdoc_nmsg(m, n, MANDOCERR_MEM);
- return(0);
- }
-#endif /*!OSNAME*/
- }
-
- m->meta.os = mandoc_strdup(buf);
- return(post_prol(m, n));
-}
-
-/*
- * Parse the date field in `Dd'.
- */
-static int
-post_dd(POST_ARGS)
-{
- char buf[DATESIZ];
-
- if (NULL == n->child) {
- m->meta.date = time(NULL);
- return(post_prol(m, n));
- }
-
- if ( ! concat(m, buf, n->child, DATESIZ))
- return(0);
-
- m->meta.date = mandoc_a2time
- (MTIME_MDOCDATE | MTIME_CANONICAL, buf);
-
- if (0 == m->meta.date) {
- if ( ! mdoc_nmsg(m, n, MANDOCERR_BADDATE))
- return(0);
- m->meta.date = time(NULL);
- }
-
- return(post_prol(m, n));
-}
-
-
-/*
- * Remove prologue macros from the document after they're processed.
- * The final document uses mdoc_meta for these values and discards the
- * originals.
- */
-static int
-post_prol(POST_ARGS)
-{
-
- mdoc_node_delete(m, n);
- if (m->meta.title && m->meta.date && m->meta.os)
- m->flags |= MDOC_PBODY;
- return(1);
-}
diff --git a/mdoc_validate.c b/mdoc_validate.c
index 382df54f..a6083e29 100644
--- a/mdoc_validate.c
+++ b/mdoc_validate.c
@@ -18,6 +18,10 @@
#include "config.h"
#endif
+#ifndef OSNAME
+#include <sys/utsname.h>
+#endif
+
#include <sys/types.h>
#include <assert.h>
@@ -26,6 +30,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
#include "mandoc.h"
#include "libmdoc.h"
@@ -68,6 +73,9 @@ static int check_argv(struct mdoc *,
struct mdoc_node *, struct mdoc_argv *);
static int check_args(struct mdoc *, struct mdoc_node *);
+static int concat(struct mdoc *, char *,
+ const struct mdoc_node *, size_t);
+
static int ebool(POST_ARGS);
static int berr_ge1(POST_ARGS);
static int bwarn_ge1(POST_ARGS);
@@ -91,19 +99,23 @@ static int post_bl_block(POST_ARGS);
static int post_bl_block_width(POST_ARGS);
static int post_bl_block_tag(POST_ARGS);
static int post_bl_head(POST_ARGS);
+static int post_dd(POST_ARGS);
+static int post_dt(POST_ARGS);
static int post_defaults(POST_ARGS);
static int post_literal(POST_ARGS);
static int post_eoln(POST_ARGS);
-static int post_dt(POST_ARGS);
static int post_it(POST_ARGS);
static int post_lb(POST_ARGS);
static int post_nm(POST_ARGS);
+static int post_os(POST_ARGS);
+static int post_prol(POST_ARGS);
static int post_root(POST_ARGS);
static int post_rs(POST_ARGS);
static int post_sh(POST_ARGS);
static int post_sh_body(POST_ARGS);
static int post_sh_head(POST_ARGS);
static int post_st(POST_ARGS);
+static int post_std(POST_ARGS);
static int post_vt(POST_ARGS);
static int pre_an(PRE_ARGS);
static int pre_bd(PRE_ARGS);
@@ -128,19 +140,22 @@ static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
static v_post posts_eoln[] = { post_eoln, NULL };
static v_post posts_defaults[] = { post_defaults, NULL };
+static v_post posts_dd[] = { ewarn_ge1, post_dd, post_prol, NULL };
static v_post posts_dl[] = { post_literal, bwarn_ge1, herr_eq0, NULL };
-static v_post posts_dt[] = { post_dt, NULL };
+static v_post posts_dt[] = { post_dt, post_prol, NULL };
static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
static v_post posts_it[] = { post_it, NULL };
static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
static v_post posts_nd[] = { berr_ge1, NULL };
static v_post posts_nm[] = { post_nm, NULL };
static v_post posts_notext[] = { ewarn_eq0, NULL };
+static v_post posts_os[] = { post_os, post_prol, NULL };
static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
static v_post posts_sp[] = { eerr_le1, NULL };
static v_post posts_ss[] = { herr_ge1, NULL };
static v_post posts_st[] = { eerr_eq1, post_st, NULL };
+static v_post posts_std[] = { post_std, NULL };
static v_post posts_text[] = { eerr_ge1, NULL };
static v_post posts_text1[] = { eerr_eq1, NULL };
static v_post posts_vt[] = { post_vt, NULL };
@@ -165,9 +180,9 @@ static v_pre pres_ss[] = { pre_ss, NULL };
const struct valids mdoc_valids[MDOC_MAX] = {
{ NULL, NULL }, /* Ap */
- { pres_dd, posts_wtext }, /* Dd */
+ { pres_dd, posts_dd }, /* Dd */
{ pres_dt, posts_dt }, /* Dt */
- { pres_os, NULL }, /* Os */
+ { pres_os, posts_os }, /* Os */
{ pres_sh, posts_sh }, /* Sh */
{ pres_ss, posts_ss }, /* Ss */
{ pres_pp, posts_notext }, /* Pp */
@@ -186,7 +201,7 @@ const struct valids mdoc_valids[MDOC_MAX] = {
{ NULL, NULL }, /* Dv */
{ pres_er, posts_text }, /* Er */
{ NULL, NULL }, /* Ev */
- { pres_ex, NULL }, /* Ex */
+ { pres_ex, posts_std }, /* Ex */
{ NULL, NULL }, /* Fa */
{ pres_fd, posts_wtext }, /* Fd */
{ NULL, NULL }, /* Fl */
@@ -200,7 +215,7 @@ const struct valids mdoc_valids[MDOC_MAX] = {
{ NULL, posts_wline }, /* Op */
{ NULL, NULL }, /* Ot */
{ NULL, posts_defaults }, /* Pa */
- { pres_rv, NULL }, /* Rv */
+ { pres_rv, posts_std }, /* Rv */
{ NULL, posts_st }, /* St */
{ NULL, NULL }, /* Va */
{ NULL, posts_vt }, /* Vt */
@@ -946,7 +961,6 @@ pre_an(PRE_ARGS)
return(1);
}
-
static int
pre_rv(PRE_ARGS)
{
@@ -954,26 +968,6 @@ pre_rv(PRE_ARGS)
return(check_stdarg(mdoc, n));
}
-
-static int
-post_dt(POST_ARGS)
-{
- const struct mdoc_node *nn;
- const char *p;
-
- if (NULL != (nn = mdoc->last->child))
- for (p = nn->string; *p; p++) {
- if (toupper((u_char)*p) == *p)
- continue;
- if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
- return(0);
- break;
- }
-
- return(1);
-}
-
-
static int
pre_dt(PRE_ARGS)
{
@@ -987,7 +981,6 @@ pre_dt(PRE_ARGS)
return(1);
}
-
static int
pre_os(PRE_ARGS)
{
@@ -1001,7 +994,6 @@ pre_os(PRE_ARGS)
return(1);
}
-
static int
pre_dd(PRE_ARGS)
{
@@ -1160,8 +1152,7 @@ post_vt(POST_ARGS)
static int
post_nm(POST_ARGS)
{
- struct mdoc_node *nn;
- char buf[BUFSIZ];
+ char buf[BUFSIZ];
/* If no child specified, make sure we have the meta name. */
@@ -1173,27 +1164,11 @@ post_nm(POST_ARGS)
/* If no meta name, set it from the child. */
- buf[0] = '\0';
-
- for (nn = mdoc->last->child; nn; nn = nn->next) {
- /* XXX - copied from concat(). */
- assert(MDOC_TEXT == nn->type);
-
- if (strlcat(buf, nn->string, BUFSIZ) >= BUFSIZ) {
- mdoc_nmsg(mdoc, nn, MANDOCERR_MEM);
- return(0);
- }
-
- if (NULL == nn->next)
- continue;
-
- if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
- mdoc_nmsg(mdoc, nn, MANDOCERR_MEM);
- return(0);
- }
- }
+ if ( ! concat(mdoc, buf, mdoc->last->child, BUFSIZ))
+ return(0);
mdoc->meta.name = mandoc_strdup(buf);
+
return(1);
}
@@ -1858,9 +1833,8 @@ post_sh_body(POST_ARGS)
static int
post_sh_head(POST_ARGS)
{
- char buf[BUFSIZ];
- enum mdoc_sec sec;
- struct mdoc_node *n;
+ char buf[BUFSIZ];
+ enum mdoc_sec sec;
/*
* Process a new section. Sections are either "named" or
@@ -1869,27 +1843,8 @@ post_sh_head(POST_ARGS)
* manual sections.
*/
- buf[0] = '\0';
-
- /* FIXME: use dynamic buffer... */
-
- for (n = mdoc->last->child; n; n = n->next) {
- /* XXX - copied from concat(). */
- assert(MDOC_TEXT == n->type);
-
- if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) {
- mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
- return(0);
- }
-
- if (NULL == n->next)
- continue;
-
- if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
- mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
- return(0);
- }
- }
+ if ( ! concat(mdoc, buf, mdoc->last->child, BUFSIZ))
+ return(0);
sec = mdoc_str2sec(buf);
@@ -2009,3 +1964,268 @@ pre_literal(PRE_ARGS)
return(1);
}
+
+static int
+post_dd(POST_ARGS)
+{
+ char buf[DATESIZ];
+ struct mdoc_node *n;
+
+ n = mdoc->last;
+
+ if (NULL == n->child) {
+ mdoc->meta.date = time(NULL);
+ return(post_prol(mdoc));
+ }
+
+ if ( ! concat(mdoc, buf, n->child, DATESIZ))
+ return(0);
+
+ mdoc->meta.date = mandoc_a2time
+ (MTIME_MDOCDATE | MTIME_CANONICAL, buf);
+
+ if (0 == mdoc->meta.date) {
+ if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_BADDATE))
+ return(0);
+ mdoc->meta.date = time(NULL);
+ }
+
+ return(1);
+}
+
+static int
+post_dt(POST_ARGS)
+{
+ struct mdoc_node *nn, *n;
+ const char *cp;
+ char *p;
+
+ n = mdoc->last;
+
+ if (mdoc->meta.title)
+ free(mdoc->meta.title);
+ if (mdoc->meta.vol)
+ free(mdoc->meta.vol);
+ if (mdoc->meta.arch)
+ free(mdoc->meta.arch);
+
+ mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL;
+
+ /* First make all characters uppercase. */
+
+ if (NULL != (nn = n->child))
+ for (p = nn->string; *p; p++) {
+ if (toupper((u_char)*p) == *p)
+ continue;
+ if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
+ return(0);
+ break;
+ }
+
+ /* Handles: `.Dt'
+ * --> title = unknown, volume = local, msec = 0, arch = NULL
+ */
+
+ if (NULL == (nn = n->child)) {
+ /* XXX: make these macro values. */
+ /* FIXME: warn about missing values. */
+ mdoc->meta.title = mandoc_strdup("UNKNOWN");
+ mdoc->meta.vol = mandoc_strdup("LOCAL");
+ mdoc->meta.msec = mandoc_strdup("1");
+ return(1);
+ }
+
+ /* Handles: `.Dt TITLE'
+ * --> title = TITLE, volume = local, msec = 0, arch = NULL
+ */
+
+ mdoc->meta.title = mandoc_strdup
+ ('\0' == nn->string[0] ? "UNKNOWN" : nn->string);
+
+ if (NULL == (nn = nn->next)) {
+ /* FIXME: warn about missing msec. */
+ /* XXX: make this a macro value. */
+ mdoc->meta.vol = mandoc_strdup("LOCAL");
+ mdoc->meta.msec = mandoc_strdup("1");
+ return(1);
+ }
+
+ /* Handles: `.Dt TITLE SEC'
+ * --> title = TITLE, volume = SEC is msec ?
+ * format(msec) : SEC,
+ * msec = SEC is msec ? atoi(msec) : 0,
+ * arch = NULL
+ */
+
+ cp = mdoc_a2msec(nn->string);
+ if (cp) {
+ mdoc->meta.vol = mandoc_strdup(cp);
+ mdoc->meta.msec = mandoc_strdup(nn->string);
+ } else if (mdoc_nmsg(mdoc, n, MANDOCERR_BADMSEC)) {
+ mdoc->meta.vol = mandoc_strdup(nn->string);
+ mdoc->meta.msec = mandoc_strdup(nn->string);
+ } else
+ return(0);
+
+ if (NULL == (nn = nn->next))
+ return(1);
+
+ /* Handles: `.Dt TITLE SEC VOL'
+ * --> title = TITLE, volume = VOL is vol ?
+ * format(VOL) :
+ * VOL is arch ? format(arch) :
+ * VOL
+ */
+
+ cp = mdoc_a2vol(nn->string);
+ if (cp) {
+ free(mdoc->meta.vol);
+ mdoc->meta.vol = mandoc_strdup(cp);
+ } else {
+ /* FIXME: warn about bad arch. */
+ cp = mdoc_a2arch(nn->string);
+ if (NULL == cp) {
+ free(mdoc->meta.vol);
+ mdoc->meta.vol = mandoc_strdup(nn->string);
+ } else
+ mdoc->meta.arch = mandoc_strdup(cp);
+ }
+
+ /* Ignore any subsequent parameters... */
+ /* FIXME: warn about subsequent parameters. */
+
+ return(1);
+}
+
+static int
+post_prol(POST_ARGS)
+{
+ /*
+ * Remove prologue macros from the document after they're
+ * processed. The final document uses mdoc_meta for these
+ * values and discards the originals.
+ */
+
+ mdoc_node_delete(mdoc, mdoc->last);
+ if (mdoc->meta.title && mdoc->meta.date && mdoc->meta.os)
+ mdoc->flags |= MDOC_PBODY;
+
+ return(1);
+}
+
+static int
+post_os(POST_ARGS)
+{
+ struct mdoc_node *n;
+ char buf[BUFSIZ];
+#ifndef OSNAME
+ struct utsname utsname;
+#endif
+
+ n = mdoc->last;
+
+ /*
+ * Set the operating system by way of the `Os' macro. Note that
+ * if an argument isn't provided and -DOSNAME="\"foo\"" is
+ * provided during compilation, this value will be used instead
+ * of filling in "sysname release" from uname().
+ */
+
+ if (mdoc->meta.os)
+ free(mdoc->meta.os);
+
+ if ( ! concat(mdoc, buf, n->child, BUFSIZ))
+ return(0);
+
+ /* XXX: yes, these can all be dynamically-adjusted buffers, but
+ * it's really not worth the extra hackery.
+ */
+
+ if ('\0' == buf[0]) {
+#ifdef OSNAME
+ if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) {
+ mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
+ return(0);
+ }
+#else /*!OSNAME */
+ if (-1 == uname(&utsname))
+ return(mdoc_nmsg(mdoc, n, MANDOCERR_UTSNAME));
+
+ if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) {
+ mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
+ return(0);
+ }
+ if (strlcat(buf, " ", 64) >= BUFSIZ) {
+ mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
+ return(0);
+ }
+ if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) {
+ mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
+ return(0);
+ }
+#endif /*!OSNAME*/
+ }
+
+ mdoc->meta.os = mandoc_strdup(buf);
+ return(1);
+}
+
+static int
+post_std(POST_ARGS)
+{
+ struct mdoc_node *nn, *n;
+
+ n = mdoc->last;
+
+ /*
+ * Macros accepting `-std' as an argument have the name of the
+ * current document (`Nm') filled in as the argument if it's not
+ * provided.
+ */
+
+ if (n->child)
+ return(1);
+ if (NULL == mdoc->meta.name)
+ return(1);
+
+ nn = n;
+ mdoc->next = MDOC_NEXT_CHILD;
+
+ if ( ! mdoc_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name))
+ return(0);
+ mdoc->last = nn;
+ return(1);
+}
+
+static int
+concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz)
+{
+
+ p[0] = '\0';
+
+ /*
+ * Concatenate sibling nodes together. All siblings must be of
+ * type MDOC_TEXT or an assertion is raised. Concatenation is
+ * separated by a single whitespace.
+ */
+
+ for ( ; n; n = n->next) {
+ assert(MDOC_TEXT == n->type);
+
+ if (strlcat(p, n->string, sz) >= sz) {
+ mdoc_nmsg(m, n, MANDOCERR_MEM);
+ return(0);
+ }
+
+ if (NULL == n->next)
+ continue;
+
+ if (strlcat(p, " ", sz) >= sz) {
+ mdoc_nmsg(m, n, MANDOCERR_MEM);
+ return(0);
+ }
+ }
+
+ return(1);
+}
+