mandoc/main.c - diff

Return to main.c CVS log

Up to [cvsweb.bsd.lv] / mandoc

Diff for /mandoc/main.c between version 1.340 and 1.361

version 1.340, 2019/07/28 19:41:21

version 1.361, 2022/04/14 16:43:43

Line 1

/* $Id$ */

* Permission to use, copy, modify, and distribute this software for any

Line 15

* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

* Main program for mandoc(1), man(1), apropos(1), whatis(1), and help(1).

#include "config.h"

Line 32

Line 34

#include <errno.h>

#include <fcntl.h>

#include <glob.h>

#include <limits.h>

#if HAVE_SANDBOX_INIT

#include <sandbox.h>

#endif

Line 52

Line 55

#include "man.h"

#include "mandoc_parse.h"

#include "tag.h"

#include "term_tag.h"

#include "main.h"

#include "manconf.h"

#include "mansearch.h"

Line 89 struct outstate {

Line 93 struct outstate {

int mandocdb(int, char *[]);

static void check_xr(void);

static void check_xr(struct manpaths *);

static int fs_lookup(const struct manpaths *,

static void fs_append(char **, size_t, int,

size_t ipath, const char *,

size_t, const char *, enum form,

const char *, const char *,

struct manpage **, size_t *);

static int fs_lookup(const struct manpaths *, size_t,

const char *, const char *, const char *,

struct manpage **, size_t *);

static int fs_search(const struct mansearch *,

const struct manpaths *, const char *,

struct manpage **, size_t *);

static void glob_esc(char **, const char *, const char *);

static void outdata_alloc(struct outstate *, struct manoutput *);

static void parse(struct mparse *, int, const char *,

struct outstate *, struct manoutput *);

struct outstate *, struct manconf *);

static void passthrough(int, int);

static void process_onefile(struct mparse *, struct manpage *,

int, struct outstate *, struct manconf *);

static void run_pager(struct tag_files *);

static void run_pager(struct outstate *, char *);

static pid_t spawn_pager(struct tag_files *);

static pid_t spawn_pager(struct outstate *, char *);

static void usage(enum argmode) __attribute__((__noreturn__));

static int woptions(char *, enum mandoc_os *, int *);

Line 125 main(int argc, char *argv[])

Line 132 main(int argc, char *argv[])

struct mparse *mp; /* Opaque parser object. */

const char *conf_file; /* -C: alternate config file. */

const char *os_s; /* -I: Operating system for display. */

const char *progname, *sec;

const char *progname, *sec, *ep;

char *defpaths; /* -M: override manpaths. */

char *auxpaths; /* -m: additional manpaths. */

char *oarg; /* -O: output option string. */

Line 142 main(int argc, char *argv[])

Line 149 main(int argc, char *argv[])

enum mandoc_os os_e; /* Check base system conventions. */

enum outmode outmode; /* According to command line. */

#if DEBUG_MEMORY

mandoc_dbg_init(argc, argv);

#endif

#if HAVE_PROGNAME

progname = getprogname();

#else

if (argc < 1)

progname = mandoc_strdup("mandoc");

progname = "mandoc";

else if ((progname = strrchr(argv[0], '/')) == NULL)

progname = argv[0];

else

Line 160 main(int argc, char *argv[])

Line 170 main(int argc, char *argv[])

return mandocdb(argc, argv);

#if HAVE_PLEDGE

if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) {

if (pledge("stdio rpath wpath cpath tmppath tty proc exec", NULL) == -1) {

mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));

return mandoc_msg_getrc();

}

Line 325 main(int argc, char *argv[])

Line 335 main(int argc, char *argv[])

/* Postprocess options. */

if (outmode == OUTMODE_DEF) {

switch (outmode) {

case OUTMODE_DEF:

switch (search.argmode) {

case ARG_FILE:

outmode = OUTMODE_ALL;

Line 338 main(int argc, char *argv[])

Line 349 main(int argc, char *argv[])

outmode = OUTMODE_LST;

break;

}

break;

case OUTMODE_FLN:

if (search.argmode == ARG_FILE)

outmode = OUTMODE_ALL;

break;

case OUTMODE_ALL:

break;

case OUTMODE_LST:

case OUTMODE_ONE:

abort();

}

if (oarg != NULL) {

Line 357 main(int argc, char *argv[])

Line 378 main(int argc, char *argv[])

if (outmode == OUTMODE_FLN ||

outmode == OUTMODE_LST ||

!isatty(STDOUT_FILENO))

(conf.output.outfilename == NULL &&

conf.output.tagfilename == NULL &&

isatty(STDOUT_FILENO) == 0))

outst.use_pager = 0;

if (outst.use_pager &&

Line 371 main(int argc, char *argv[])

Line 394 main(int argc, char *argv[])

}

#if HAVE_PLEDGE

if (outst.use_pager == 0) {

if (outst.use_pager == 0)

if (pledge("stdio rpath", NULL) == -1) {

c = pledge("stdio rpath", NULL);

mandoc_msg(MANDOCERR_PLEDGE, 0, 0,

else if (conf.output.outfilename != NULL ||

"%s", strerror(errno));

conf.output.tagfilename != NULL)

return mandoc_msg_getrc();

c = pledge("stdio rpath wpath cpath", NULL);

}

else

c = pledge("stdio rpath tmppath tty proc exec", NULL);

if (c == -1) {

mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));

return mandoc_msg_getrc();

}

#endif

Line 430 main(int argc, char *argv[])

Line 457 main(int argc, char *argv[])

/* Read the configuration file. */

if (search.argmode != ARG_FILE)

if (search.argmode != ARG_FILE ||

mandoc_msg_getmin() == MANDOCERR_STYLE)

manconf_parse(&conf, conf_file, defpaths, auxpaths);

/* man(1): Resolve each name individually. */

if (search.argmode == ARG_NAME) {

if (argc < 1)

if (argc < 1) {

usage(ARG_NAME);

if (outmode != OUTMODE_FLN)

usage(ARG_NAME);

if (conf.manpath.sz == 0) {

warnx("The manpath is empty.");

mandoc_msg_setrc(MANDOCLEVEL_BADARG);

} else {

for (i = 0; i + 1 < conf.manpath.sz; i++)

printf("%s:", conf.manpath.paths[i]);

printf("%s\n", conf.manpath.paths[i]);

}

manconf_free(&conf);

return (int)mandoc_msg_getrc();

}

for (res = NULL, ressz = 0; argc > 0; argc--, argv++) {

(void)mansearch(&search, &conf.manpath,

1, argv, &resn, &resnsz);

Line 479 main(int argc, char *argv[])

Line 519 main(int argc, char *argv[])

memcpy(res + ressz, resn,

sizeof(*resn) * resnsz);

ressz += resnsz;

free(resn);

resn = NULL;

resnsz = 0;

continue;

}

Line 499 main(int argc, char *argv[])

Line 542 main(int argc, char *argv[])

sec++; /* Prefer without suffix. */

if (*sec != '/')

prio += 10; /* Wrong dir name. */

if (search.sec != NULL &&

if (search.sec != NULL) {

(strlen(sec) <= ssz + 3 ||

ep = strchr(sec, '\0');

strcmp(sec + strlen(sec) - ssz,

if (ep - sec > 3 &&

search.sec) != 0))

strncmp(ep - 3, ".gz", 3) == 0)

prio += 20; /* Wrong file ext. */

ep -= 3;

if ((size_t)(ep - sec) < ssz + 3 ||

strncmp(ep - ssz, search.sec,

ssz) != 0) /* Wrong file */

prio += 20; /* extension. */

}

if (prio >= best_prio)

continue;

best_prio = prio;

Line 512 main(int argc, char *argv[])

Line 560 main(int argc, char *argv[])

res = mandoc_reallocarray(res, ressz + 1,

sizeof(*res));

memcpy(res + ressz++, resn + ib, sizeof(*resn));

memset(resn + ib, 0, sizeof(*resn));

mansearch_free(resn, resnsz);

resn = NULL;

resnsz = 0;

}

/* apropos(1), whatis(1): Process the full search expression. */

Line 573 main(int argc, char *argv[])

Line 625 main(int argc, char *argv[])

* readable: Maybe it won't be needed after all.

startdir = open(".", O_RDONLY | O_DIRECTORY);

for (i = 0; i < ressz; i++) {

process_onefile(mp, res + i, startdir, &outst, &conf);

if (outst.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)

Line 583 main(int argc, char *argv[])

Line 634 main(int argc, char *argv[])

(void)fchdir(startdir);

close(startdir);

}

if (conf.output.tag != NULL && conf.output.tag_found == 0) {

mandoc_msg(MANDOCERR_TAG, 0, 0, "%s", conf.output.tag);

conf.output.tag = NULL;

}

if (outst.outdata != NULL) {

switch (outst.outtype) {

case OUTT_HTML:

Line 612 out:

Line 666 out:

manconf_free(&conf);

if (outst.tag_files != NULL) {

fclose(stdout);

if (term_tag_close() != -1 &&

tag_write();

conf.output.outfilename == NULL &&

run_pager(outst.tag_files);

conf.output.tagfilename == NULL)

tag_unlink();

run_pager(&outst, conf.output.tag);

term_tag_unlink();

} else if (outst.had_output && outst.outtype != OUTT_LINT)

mandoc_msg_summary();

#if DEBUG_MEMORY

mandoc_dbg_finish();

#endif

return (int)mandoc_msg_getrc();

}

Line 650 usage(enum argmode argmode)

Line 708 usage(enum argmode argmode)

exit((int)MANDOCLEVEL_BADARG);

}

static void

glob_esc(char **dst, const char *src, const char *suffix)

{

while (*src != '\0') {

if (strchr("*?[", *src) != NULL)

*(*dst)++ = '\\';

*(*dst)++ = *src++;

}

while (*suffix != '\0')

*(*dst)++ = *suffix++;

}

static void

fs_append(char **file, size_t filesz, int copy, size_t ipath,

const char *sec, enum form form, struct manpage **res, size_t *ressz)

{

struct manpage *page;

*res = mandoc_reallocarray(*res, *ressz + filesz, sizeof(**res));

page = *res + *ressz;

*ressz += filesz;

for (;;) {

page->file = copy ? mandoc_strdup(*file) : *file;

page->names = NULL;

page->output = NULL;

page->bits = NAME_FILE & NAME_MASK;

page->ipath = ipath;

page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;

page->form = form;

if (--filesz == 0)

break;

file++;

page++;

}

static int

fs_lookup(const struct manpaths *paths, size_t ipath,

const char *sec, const char *arch, const char *name,

Line 657 fs_lookup(const struct manpaths *paths, size_t ipath,

Line 751 fs_lookup(const struct manpaths *paths, size_t ipath,

{

struct stat sb;

glob_t globinfo;

struct manpage *page;

char *file, *cp, secnum[2];

char *file;

int globres;

enum form form;

const char *const slman = "/man";

const char *const slash = "/";

const char *const sglob = ".[01-9]*";

const char *const dot = ".";

const char *const aster = "*";

memset(&globinfo, 0, sizeof(globinfo));

form = FORM_SRC;

mandoc_asprintf(&file, "%s/man%s/%s.%s",

paths->paths[ipath], sec, name, sec);

if (stat(file, &sb) != -1)

Line 685 fs_lookup(const struct manpaths *paths, size_t ipath,

Line 786 fs_lookup(const struct manpaths *paths, size_t ipath,

free(file);

}

mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",

cp = file = mandoc_malloc(strlen(paths->paths[ipath]) * 2 +

paths->paths[ipath], sec, name);

strlen(slman) + strlen(sec) * 2 + strlen(slash) +

strlen(name) * 2 + strlen(sglob) + 1);

glob_esc(&cp, paths->paths[ipath], slman);

glob_esc(&cp, sec, slash);

glob_esc(&cp, name, sglob);

*cp = '\0';

globres = glob(file, 0, NULL, &globinfo);

if (globres != 0 && globres != GLOB_NOMATCH)

mandoc_msg(MANDOCERR_GLOB, 0, 0,

"%s: %s", file, strerror(errno));

free(file);

file = NULL;

if (globres == 0)

file = mandoc_strdup(*globinfo.gl_pathv);

goto found;

globfree(&globinfo);

if (globres == 0) {

if (stat(file, &sb) != -1)

if (sec[1] != '\0' && *ressz == 0) {

goto found;

secnum[0] = sec[0];

secnum[1] = '\0';

cp = file = mandoc_malloc(strlen(paths->paths[ipath]) * 2 +

strlen(slman) + strlen(secnum) * 2 + strlen(slash) +

strlen(name) * 2 + strlen(dot) +

strlen(sec) * 2 + strlen(aster) + 1);

glob_esc(&cp, paths->paths[ipath], slman);

glob_esc(&cp, secnum, slash);

glob_esc(&cp, name, dot);

glob_esc(&cp, sec, aster);

*cp = '\0';

globres = glob(file, 0, NULL, &globinfo);

if (globres != 0 && globres != GLOB_NOMATCH)

mandoc_msg(MANDOCERR_GLOB, 0, 0,

"%s: %s", file, strerror(errno));

free(file);

file = NULL;

if (globres == 0)

goto found;

globfree(&globinfo);

}

if (res != NULL || ipath + 1 != paths->sz)

return -1;

Line 711 fs_lookup(const struct manpaths *paths, size_t ipath,

Line 837 fs_lookup(const struct manpaths *paths, size_t ipath,

found:

warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",

name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);

if (res == NULL) {

if (res == NULL)

free(file);

return 0;

else if (file == NULL)

}

fs_append(globinfo.gl_pathv, globinfo.gl_pathc, 1,

*res = mandoc_reallocarray(*res, ++*ressz, sizeof(**res));

ipath, sec, form, res, ressz);

page = *res + (*ressz - 1);

else

page->file = file;

fs_append(&file, 1, 0, ipath, sec, form, res, ressz);

page->names = NULL;

globfree(&globinfo);

page->output = NULL;

page->bits = NAME_FILE & NAME_MASK;

page->ipath = ipath;

page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;

page->form = form;

return 0;

}

Line 787 process_onefile(struct mparse *mp, struct manpage *res

Line 908 process_onefile(struct mparse *mp, struct manpage *res

if (outst->use_pager) {

outst->use_pager = 0;

outst->tag_files = tag_init(conf->output.tag);

outst->tag_files = term_tag_init(conf->output.outfilename,

outst->outtype == OUTT_HTML ? ".html" : "",

conf->output.tagfilename);

#if HAVE_PLEDGE

if ((conf->output.outfilename != NULL ||

conf->output.tagfilename != NULL) &&

pledge("stdio rpath cpath", NULL) == -1) {

mandoc_msg(MANDOCERR_PLEDGE, 0, 0,

"%s", strerror(errno));

exit(mandoc_msg_getrc());

}

#endif

}

if (outst->had_output && outst->outtype <= OUTT_UTF8) {

if (outst->outdata == NULL)

outdata_alloc(outst, &conf->output);

Line 797 process_onefile(struct mparse *mp, struct manpage *res

Line 928 process_onefile(struct mparse *mp, struct manpage *res

}

if (resp->form == FORM_SRC)

parse(mp, fd, resp->file, outst, &conf->output);

parse(mp, fd, resp->file, outst, conf);

else {

passthrough(fd, conf->output.synopsisonly);

outst->had_output = 1;

Line 807 process_onefile(struct mparse *mp, struct manpage *res

Line 938 process_onefile(struct mparse *mp, struct manpage *res

if (outst->tag_files != NULL) {

mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s: %s",

outst->tag_files->ofn, strerror(errno));

tag_unlink();

term_tag_unlink();

outst->tag_files = NULL;

} else

mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s",

Line 818 process_onefile(struct mparse *mp, struct manpage *res

Line 949 process_onefile(struct mparse *mp, struct manpage *res

static void

parse(struct mparse *mp, int fd, const char *file,

struct outstate *outst, struct manoutput *outconf)

struct outstate *outst, struct manconf *conf)

{

static struct manpaths basepaths;

static int previous;

struct roff_meta *meta;

Line 845 parse(struct mparse *mp, int fd, const char *file,

Line 977 parse(struct mparse *mp, int fd, const char *file,

return;

if (outst->outdata == NULL)

outdata_alloc(outst, outconf);

outdata_alloc(outst, &conf->output);

else if (outst->outtype == OUTT_HTML)

html_reset(outst);

html_reset(outst->outdata);

mandoc_xr_reset();

meta = mparse_result(mp);

Line 898 parse(struct mparse *mp, int fd, const char *file,

Line 1030 parse(struct mparse *mp, int fd, const char *file,

case OUTT_PS:

terminal_man(outst->outdata, meta);

break;

case OUTT_MARKDOWN:

mandoc_msg(MANDOCERR_MAN_TMARKDOWN, 0, 0, NULL);

break;

default:

break;

}

if (mandoc_msg_getmin() < MANDOCERR_STYLE)

if (conf->output.tag != NULL && conf->output.tag_found == 0 &&

check_xr();

tag_exists(conf->output.tag))

conf->output.tag_found = 1;

if (mandoc_msg_getmin() < MANDOCERR_STYLE) {

if (basepaths.sz == 0)

manpath_base(&basepaths);

check_xr(&basepaths);

} else if (mandoc_msg_getmin() < MANDOCERR_WARNING)

check_xr(&conf->manpath);

}

static void

check_xr(void)

check_xr(struct manpaths *paths)

{

static struct manpaths paths;

struct mansearch search;

struct mandoc_xr *xr;

size_t sz;

if (paths.sz == 0)

manpath_base(&paths);

for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {

if (xr->line == -1)

continue;

Line 925 check_xr(void)

Line 1064 check_xr(void)

search.outkey = NULL;

search.argmode = ARG_NAME;

search.firstmatch = 1;

if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))

if (mansearch(&search, paths, 1, &xr->name, NULL, &sz))

continue;

if (fs_search(&search, &paths, xr->name, NULL, &sz) != -1)

if (fs_search(&search, paths, xr->name, NULL, &sz) != -1)

continue;

if (xr->count == 1)

mandoc_msg(MANDOCERR_XR_BAD, xr->line,

Line 1092 woptions(char *arg, enum mandoc_os *os_e, int *wstop)

Line 1231 woptions(char *arg, enum mandoc_os *os_e, int *wstop)

* then fork the pager and wait for the user to close it.

static void

run_pager(struct tag_files *tag_files)

run_pager(struct outstate *outst, char *tag_target)

{

int signum, status;

pid_t man_pgid, tc_pgid;

pid_t pager_pid, wait_pid;

man_pgid = getpgid(0);

tag_files->tcpgid = man_pgid == getpid() ? getpgid(getppid()) :

outst->tag_files->tcpgid =

man_pgid;

man_pgid == getpid() ? getpgid(getppid()) : man_pgid;

pager_pid = 0;

signum = SIGSTOP;

for (;;) {

/* Stop here until moved to the foreground. */

tc_pgid = tcgetpgrp(tag_files->ofd);

tc_pgid = tcgetpgrp(STDOUT_FILENO);

if (tc_pgid != man_pgid) {

if (tc_pgid == pager_pid) {

(void)tcsetpgrp(tag_files->ofd, man_pgid);

(void)tcsetpgrp(STDOUT_FILENO, man_pgid);

if (signum == SIGTTIN)

continue;

} else

tag_files->tcpgid = tc_pgid;

outst->tag_files->tcpgid = tc_pgid;

kill(0, signum);

continue;

}

Line 1122 run_pager(struct tag_files *tag_files)

Line 1261 run_pager(struct tag_files *tag_files)

/* Once in the foreground, activate the pager. */

if (pager_pid) {

(void)tcsetpgrp(tag_files->ofd, pager_pid);

(void)tcsetpgrp(STDOUT_FILENO, pager_pid);

kill(pager_pid, SIGCONT);

} else

pager_pid = spawn_pager(tag_files);

pager_pid = spawn_pager(outst, tag_target);

/* Wait for the pager to stop or exit. */

Line 1146 run_pager(struct tag_files *tag_files)

Line 1285 run_pager(struct tag_files *tag_files)

}

static pid_t

spawn_pager(struct tag_files *tag_files)

spawn_pager(struct outstate *outst, char *tag_target)

{

const struct timespec timeout = { 0, 100000000 }; /* 0.1s */

#define MAX_PAGER_ARGS 16

char *argv[MAX_PAGER_ARGS];

const char *pager;

char *cp;

size_t wordlen;

#if HAVE_LESS_T

size_t cmdlen;

#endif

int argc, use_ofn;

pid_t pager_pid;

assert(outst->tag_files->ofd == -1);

assert(outst->tag_files->tfs == NULL);

pager = getenv("MANPAGER");

if (pager == NULL || *pager == '\0')

pager = getenv("PAGER");

if (pager == NULL || *pager == '\0')

pager = "more -s";

pager = BINM_PAGER;

cp = mandoc_strdup(pager);

* Parse the pager command into words.

Line 1172 spawn_pager(struct tag_files *tag_files)

Line 1314 spawn_pager(struct tag_files *tag_files)

argc = 0;

while (argc + 5 < MAX_PAGER_ARGS) {

while (*pager != '\0' && argc + 5 < MAX_PAGER_ARGS) {

argv[argc++] = cp;

wordlen = strcspn(pager, " ");

cp = strchr(cp, ' ');

argv[argc++] = mandoc_strndup(pager, wordlen);

if (cp == NULL)

pager += wordlen;

break;

while (*pager == ' ')

*cp++ = '\0';

pager++;

while (*cp == ' ')

cp++;

if (*cp == '\0')

break;

}

/* For less(1), use the tag file. */

use_ofn = 1;

#if HAVE_LESS_T

if (*tag_files->tfn != '\0' && (cmdlen = strlen(argv[0])) >= 4) {

if (*outst->tag_files->tfn != '\0' &&

(cmdlen = strlen(argv[0])) >= 4) {

cp = argv[0] + cmdlen - 4;

if (strcmp(cp, "less") == 0) {

argv[argc++] = mandoc_strdup("-T");

argv[argc++] = tag_files->tfn;

argv[argc++] = mandoc_strdup(outst->tag_files->tfn);

if (tag_files->tagname != NULL) {

if (tag_target != NULL) {

argv[argc++] = mandoc_strdup("-t");

argv[argc++] = tag_files->tagname;

argv[argc++] = mandoc_strdup(tag_target);

use_ofn = 0;

}

#endif

if (use_ofn)

if (use_ofn) {

argv[argc++] = tag_files->ofn;

if (outst->outtype == OUTT_HTML && tag_target != NULL)

mandoc_asprintf(&argv[argc], "file://%s#%s",

outst->tag_files->ofn, tag_target);

else

argv[argc] = mandoc_strdup(outst->tag_files->ofn);

argc++;

}

argv[argc] = NULL;

switch (pager_pid = fork()) {

Line 1212 spawn_pager(struct tag_files *tag_files)

Line 1357 spawn_pager(struct tag_files *tag_files)

case 0:

break;

default:

while (argc > 0)

free(argv[--argc]);

(void)setpgid(pager_pid, 0);

(void)tcsetpgrp(tag_files->ofd, pager_pid);

(void)tcsetpgrp(STDOUT_FILENO, pager_pid);

#if HAVE_PLEDGE

if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {

mandoc_msg(MANDOCERR_PLEDGE, 0, 0,

Line 1221 spawn_pager(struct tag_files *tag_files)

Line 1368 spawn_pager(struct tag_files *tag_files)

exit(mandoc_msg_getrc());

}

#endif

tag_files->pager_pid = pager_pid;

outst->tag_files->pager_pid = pager_pid;

return pager_pid;

}

/* The child process becomes the pager. */

* The child process becomes the pager.

if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) {

* Do not start it before controlling the terminal.

mandoc_msg(MANDOCERR_DUP, 0, 0, "%s", strerror(errno));

_exit(mandoc_msg_getrc());

}

close(tag_files->ofd);

assert(tag_files->tfd == -1);

/* Do not start the pager before controlling the terminal. */

while (tcgetpgrp(STDOUT_FILENO) != getpid())

nanosleep(&timeout, NULL);

CVSweb