version 1.338, 2019/07/28 18:23:17 |
version 1.356, 2021/08/14 13:53:08 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
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* Copyright (c) 2010-2012, 2014-2021 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010-2012, 2014-2019 Ingo Schwarze <schwarze@openbsd.org> |
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* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org> |
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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* |
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* Main program for mandoc(1), man(1), apropos(1), whatis(1), and help(1). |
*/ |
*/ |
#include "config.h" |
#include "config.h" |
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#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <glob.h> |
#include <glob.h> |
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#include <limits.h> |
#if HAVE_SANDBOX_INIT |
#if HAVE_SANDBOX_INIT |
#include <sandbox.h> |
#include <sandbox.h> |
#endif |
#endif |
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#include "man.h" |
#include "man.h" |
#include "mandoc_parse.h" |
#include "mandoc_parse.h" |
#include "tag.h" |
#include "tag.h" |
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#include "term_tag.h" |
#include "main.h" |
#include "main.h" |
#include "manconf.h" |
#include "manconf.h" |
#include "mansearch.h" |
#include "mansearch.h" |
Line 89 struct outstate { |
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Line 93 struct outstate { |
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int mandocdb(int, char *[]); |
int mandocdb(int, char *[]); |
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static void check_xr(void); |
static void check_xr(struct manpaths *); |
static int fs_lookup(const struct manpaths *, |
static int fs_lookup(const struct manpaths *, |
size_t ipath, const char *, |
size_t ipath, const char *, |
const char *, const char *, |
const char *, const char *, |
struct manpage **, size_t *); |
struct manpage **, size_t *); |
static int fs_search(const struct mansearch *, |
static int fs_search(const struct mansearch *, |
const struct manpaths *, int, char**, |
const struct manpaths *, const char *, |
struct manpage **, size_t *); |
struct manpage **, size_t *); |
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static void glob_esc(char **, const char *, const char *); |
static void outdata_alloc(struct outstate *, struct manoutput *); |
static void outdata_alloc(struct outstate *, struct manoutput *); |
static void parse(struct mparse *, int, const char *, |
static void parse(struct mparse *, int, const char *, |
struct outstate *, struct manoutput *); |
struct outstate *, struct manconf *); |
static void passthrough(int, int); |
static void passthrough(int, int); |
static void process_onefile(struct mparse *, struct manpage *, |
static void process_onefile(struct mparse *, struct manpage *, |
int, struct outstate *, struct manconf *); |
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 void usage(enum argmode) __attribute__((__noreturn__)); |
static int woptions(char *, enum mandoc_os *, int *); |
static int woptions(char *, enum mandoc_os *, int *); |
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Line 160 main(int argc, char *argv[]) |
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Line 165 main(int argc, char *argv[]) |
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return mandocdb(argc, argv); |
return mandocdb(argc, argv); |
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#if HAVE_PLEDGE |
#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)); |
mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno)); |
return mandoc_msg_getrc(); |
return mandoc_msg_getrc(); |
} |
} |
Line 325 main(int argc, char *argv[]) |
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Line 330 main(int argc, char *argv[]) |
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/* Postprocess options. */ |
/* Postprocess options. */ |
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if (outmode == OUTMODE_DEF) { |
switch (outmode) { |
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case OUTMODE_DEF: |
switch (search.argmode) { |
switch (search.argmode) { |
case ARG_FILE: |
case ARG_FILE: |
outmode = OUTMODE_ALL; |
outmode = OUTMODE_ALL; |
Line 338 main(int argc, char *argv[]) |
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Line 344 main(int argc, char *argv[]) |
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outmode = OUTMODE_LST; |
outmode = OUTMODE_LST; |
break; |
break; |
} |
} |
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break; |
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case OUTMODE_FLN: |
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if (search.argmode == ARG_FILE) |
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outmode = OUTMODE_ALL; |
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break; |
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case OUTMODE_ALL: |
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break; |
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case OUTMODE_LST: |
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case OUTMODE_ONE: |
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abort(); |
} |
} |
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if (oarg != NULL) { |
if (oarg != NULL) { |
Line 357 main(int argc, char *argv[]) |
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Line 373 main(int argc, char *argv[]) |
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if (outmode == OUTMODE_FLN || |
if (outmode == OUTMODE_FLN || |
outmode == OUTMODE_LST || |
outmode == OUTMODE_LST || |
!isatty(STDOUT_FILENO)) |
(conf.output.outfilename == NULL && |
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conf.output.tagfilename == NULL && |
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isatty(STDOUT_FILENO) == 0)) |
outst.use_pager = 0; |
outst.use_pager = 0; |
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if (outst.use_pager && |
if (outst.use_pager && |
Line 371 main(int argc, char *argv[]) |
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Line 389 main(int argc, char *argv[]) |
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} |
} |
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#if HAVE_PLEDGE |
#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 |
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c = pledge("stdio rpath tmppath tty proc exec", NULL); |
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if (c == -1) { |
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mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno)); |
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return mandoc_msg_getrc(); |
} |
} |
#endif |
#endif |
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Line 430 main(int argc, char *argv[]) |
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Line 452 main(int argc, char *argv[]) |
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/* Read the configuration file. */ |
/* Read the configuration file. */ |
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if (search.argmode != ARG_FILE) |
if (search.argmode != ARG_FILE || |
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mandoc_msg_getmin() == MANDOCERR_STYLE) |
manconf_parse(&conf, conf_file, defpaths, auxpaths); |
manconf_parse(&conf, conf_file, defpaths, auxpaths); |
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/* man(1): Resolve each name individually. */ |
/* man(1): Resolve each name individually. */ |
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if (search.argmode == ARG_NAME) { |
if (search.argmode == ARG_NAME) { |
if (argc < 1) |
if (argc < 1) { |
usage(ARG_NAME); |
if (outmode != OUTMODE_FLN) |
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usage(ARG_NAME); |
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if (conf.manpath.sz == 0) { |
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warnx("The manpath is empty."); |
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mandoc_msg_setrc(MANDOCLEVEL_BADARG); |
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} else { |
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for (i = 0; i + 1 < conf.manpath.sz; i++) |
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printf("%s:", conf.manpath.paths[i]); |
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printf("%s\n", conf.manpath.paths[i]); |
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} |
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manconf_free(&conf); |
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return (int)mandoc_msg_getrc(); |
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} |
for (res = NULL, ressz = 0; argc > 0; argc--, argv++) { |
for (res = NULL, ressz = 0; argc > 0; argc--, argv++) { |
(void)mansearch(&search, &conf.manpath, |
(void)mansearch(&search, &conf.manpath, |
1, argv, &resn, &resnsz); |
1, argv, &resn, &resnsz); |
if (resnsz == 0) |
if (resnsz == 0) |
(void)fs_search(&search, &conf.manpath, |
(void)fs_search(&search, &conf.manpath, |
1, argv, &resn, &resnsz); |
*argv, &resn, &resnsz); |
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if (resnsz == 0 && strchr(*argv, '/') == NULL) { |
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if (search.arch != NULL && |
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arch_valid(search.arch, OSENUM) == 0) |
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warnx("Unknown architecture \"%s\".", |
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search.arch); |
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else if (search.sec != NULL) |
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warnx("No entry for %s in " |
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"section %s of the manual.", |
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*argv, search.sec); |
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else |
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warnx("No entry for %s in " |
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"the manual.", *argv); |
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mandoc_msg_setrc(MANDOCLEVEL_BADARG); |
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continue; |
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} |
if (resnsz == 0) { |
if (resnsz == 0) { |
if (strchr(*argv, '/') == NULL) { |
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mandoc_msg_setrc(MANDOCLEVEL_BADARG); |
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continue; |
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} |
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if (access(*argv, R_OK) == -1) { |
if (access(*argv, R_OK) == -1) { |
mandoc_msg_setinfilename(*argv); |
mandoc_msg_setinfilename(*argv); |
mandoc_msg(MANDOCERR_BADARG_BAD, |
mandoc_msg(MANDOCERR_BADARG_BAD, |
Line 544 main(int argc, char *argv[]) |
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Line 590 main(int argc, char *argv[]) |
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break; |
break; |
} |
} |
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#if HAVE_PLEDGE |
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if (outst.use_pager) { |
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if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) { |
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mandoc_msg(MANDOCERR_PLEDGE, 0, 0, |
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"%s", strerror(errno)); |
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return mandoc_msg_getrc(); |
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} |
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} else { |
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if (pledge("stdio rpath", NULL) == -1) { |
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mandoc_msg(MANDOCERR_PLEDGE, 0, 0, |
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"%s", strerror(errno)); |
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return mandoc_msg_getrc(); |
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} |
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} |
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#endif |
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if (search.argmode == ARG_FILE && auxpaths != NULL) { |
if (search.argmode == ARG_FILE && auxpaths != NULL) { |
if (strcmp(auxpaths, "doc") == 0) |
if (strcmp(auxpaths, "doc") == 0) |
options |= MPARSE_MDOC; |
options |= MPARSE_MDOC; |
Line 578 main(int argc, char *argv[]) |
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Line 608 main(int argc, char *argv[]) |
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* readable: Maybe it won't be needed after all. |
* readable: Maybe it won't be needed after all. |
*/ |
*/ |
startdir = open(".", O_RDONLY | O_DIRECTORY); |
startdir = open(".", O_RDONLY | O_DIRECTORY); |
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for (i = 0; i < ressz; i++) { |
for (i = 0; i < ressz; i++) { |
process_onefile(mp, res + i, startdir, &outst, &conf); |
process_onefile(mp, res + i, startdir, &outst, &conf); |
if (outst.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK) |
if (outst.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK) |
Line 588 main(int argc, char *argv[]) |
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Line 617 main(int argc, char *argv[]) |
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(void)fchdir(startdir); |
(void)fchdir(startdir); |
close(startdir); |
close(startdir); |
} |
} |
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if (conf.output.tag != NULL && conf.output.tag_found == 0) { |
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mandoc_msg(MANDOCERR_TAG, 0, 0, "%s", conf.output.tag); |
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conf.output.tag = NULL; |
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} |
if (outst.outdata != NULL) { |
if (outst.outdata != NULL) { |
switch (outst.outtype) { |
switch (outst.outtype) { |
case OUTT_HTML: |
case OUTT_HTML: |
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manconf_free(&conf); |
manconf_free(&conf); |
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if (outst.tag_files != NULL) { |
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); |
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term_tag_unlink(); |
} else if (outst.had_output && outst.outtype != OUTT_LINT) |
} else if (outst.had_output && outst.outtype != OUTT_LINT) |
mandoc_msg_summary(); |
mandoc_msg_summary(); |
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Line 655 usage(enum argmode argmode) |
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Line 688 usage(enum argmode argmode) |
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exit((int)MANDOCLEVEL_BADARG); |
exit((int)MANDOCLEVEL_BADARG); |
} |
} |
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static void |
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glob_esc(char **dst, const char *src, const char *suffix) |
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{ |
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while (*src != '\0') { |
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if (strchr("*?[", *src) != NULL) |
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*(*dst)++ = '\\'; |
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*(*dst)++ = *src++; |
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} |
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while (*suffix != '\0') |
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*(*dst)++ = *suffix++; |
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} |
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static int |
static int |
fs_lookup(const struct manpaths *paths, size_t ipath, |
fs_lookup(const struct manpaths *paths, size_t ipath, |
const char *sec, const char *arch, const char *name, |
const char *sec, const char *arch, const char *name, |
Line 663 fs_lookup(const struct manpaths *paths, size_t ipath, |
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Line 708 fs_lookup(const struct manpaths *paths, size_t ipath, |
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struct stat sb; |
struct stat sb; |
glob_t globinfo; |
glob_t globinfo; |
struct manpage *page; |
struct manpage *page; |
char *file; |
char *file, *cp; |
int globres; |
int globres; |
enum form form; |
enum form form; |
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const char *const slman = "/man"; |
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const char *const slash = "/"; |
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const char *const sglob = ".[01-9]*"; |
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form = FORM_SRC; |
form = FORM_SRC; |
mandoc_asprintf(&file, "%s/man%s/%s.%s", |
mandoc_asprintf(&file, "%s/man%s/%s.%s", |
paths->paths[ipath], sec, name, sec); |
paths->paths[ipath], sec, name, sec); |
Line 690 fs_lookup(const struct manpaths *paths, size_t ipath, |
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Line 739 fs_lookup(const struct manpaths *paths, size_t ipath, |
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free(file); |
free(file); |
} |
} |
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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) + |
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strlen(name) * 2 + strlen(sglob) + 1); |
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glob_esc(&cp, paths->paths[ipath], slman); |
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glob_esc(&cp, sec, slash); |
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glob_esc(&cp, name, sglob); |
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*cp = '\0'; |
globres = glob(file, 0, NULL, &globinfo); |
globres = glob(file, 0, NULL, &globinfo); |
if (globres != 0 && globres != GLOB_NOMATCH) |
if (globres != 0 && globres != GLOB_NOMATCH) |
mandoc_msg(MANDOCERR_GLOB, 0, 0, |
mandoc_msg(MANDOCERR_GLOB, 0, 0, |
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static int |
static int |
fs_search(const struct mansearch *cfg, const struct manpaths *paths, |
fs_search(const struct mansearch *cfg, const struct manpaths *paths, |
int argc, char **argv, struct manpage **res, size_t *ressz) |
const char *name, struct manpage **res, size_t *ressz) |
{ |
{ |
const char *const sections[] = |
const char *const sections[] = |
{"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"}; |
{"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"}; |
const size_t nsec = sizeof(sections)/sizeof(sections[0]); |
const size_t nsec = sizeof(sections)/sizeof(sections[0]); |
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size_t ipath, isec, lastsz; |
size_t ipath, isec; |
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assert(cfg->argmode == ARG_NAME); |
assert(cfg->argmode == ARG_NAME); |
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if (res != NULL) |
if (res != NULL) |
*res = NULL; |
*res = NULL; |
*ressz = lastsz = 0; |
*ressz = 0; |
while (argc) { |
for (ipath = 0; ipath < paths->sz; ipath++) { |
for (ipath = 0; ipath < paths->sz; ipath++) { |
if (cfg->sec != NULL) { |
if (cfg->sec != NULL) { |
if (fs_lookup(paths, ipath, cfg->sec, cfg->arch, |
if (fs_lookup(paths, ipath, cfg->sec, |
name, res, ressz) != -1 && cfg->firstmatch) |
cfg->arch, *argv, res, ressz) != -1 && |
return 0; |
cfg->firstmatch) |
} else { |
return 0; |
for (isec = 0; isec < nsec; isec++) |
} else for (isec = 0; isec < nsec; isec++) |
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if (fs_lookup(paths, ipath, sections[isec], |
if (fs_lookup(paths, ipath, sections[isec], |
cfg->arch, *argv, res, ressz) != -1 && |
cfg->arch, name, res, ressz) != -1 && |
cfg->firstmatch) |
cfg->firstmatch) |
return 0; |
return 0; |
} |
} |
if (res != NULL && *ressz == lastsz && |
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strchr(*argv, '/') == NULL) { |
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if (cfg->arch != NULL && |
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arch_valid(cfg->arch, OSENUM) == 0) |
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warnx("Unknown architecture \"%s\".", |
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cfg->arch); |
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else if (cfg->sec == NULL) |
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warnx("No entry for %s in the manual.", |
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*argv); |
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else |
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warnx("No entry for %s in section %s " |
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"of the manual.", *argv, cfg->sec); |
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} |
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lastsz = *ressz; |
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argv++; |
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argc--; |
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} |
} |
return -1; |
return -1; |
} |
} |
Line 810 process_onefile(struct mparse *mp, struct manpage *res |
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Line 846 process_onefile(struct mparse *mp, struct manpage *res |
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if (outst->use_pager) { |
if (outst->use_pager) { |
outst->use_pager = 0; |
outst->use_pager = 0; |
outst->tag_files = tag_init(conf->output.tag); |
outst->tag_files = term_tag_init(conf->output.outfilename, |
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outst->outtype == OUTT_HTML ? ".html" : "", |
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conf->output.tagfilename); |
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#if HAVE_PLEDGE |
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if ((conf->output.outfilename != NULL || |
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conf->output.tagfilename != NULL) && |
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pledge("stdio rpath cpath", NULL) == -1) { |
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mandoc_msg(MANDOCERR_PLEDGE, 0, 0, |
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"%s", strerror(errno)); |
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exit(mandoc_msg_getrc()); |
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} |
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#endif |
} |
} |
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if (outst->had_output && outst->outtype <= OUTT_UTF8) { |
if (outst->had_output && outst->outtype <= OUTT_UTF8) { |
if (outst->outdata == NULL) |
if (outst->outdata == NULL) |
outdata_alloc(outst, &conf->output); |
outdata_alloc(outst, &conf->output); |
Line 820 process_onefile(struct mparse *mp, struct manpage *res |
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Line 866 process_onefile(struct mparse *mp, struct manpage *res |
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} |
} |
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if (resp->form == FORM_SRC) |
if (resp->form == FORM_SRC) |
parse(mp, fd, resp->file, outst, &conf->output); |
parse(mp, fd, resp->file, outst, conf); |
else { |
else { |
passthrough(fd, conf->output.synopsisonly); |
passthrough(fd, conf->output.synopsisonly); |
outst->had_output = 1; |
outst->had_output = 1; |
Line 830 process_onefile(struct mparse *mp, struct manpage *res |
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Line 876 process_onefile(struct mparse *mp, struct manpage *res |
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if (outst->tag_files != NULL) { |
if (outst->tag_files != NULL) { |
mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s: %s", |
mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s: %s", |
outst->tag_files->ofn, strerror(errno)); |
outst->tag_files->ofn, strerror(errno)); |
tag_unlink(); |
term_tag_unlink(); |
outst->tag_files = NULL; |
outst->tag_files = NULL; |
} else |
} else |
mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s", |
mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s", |
Line 841 process_onefile(struct mparse *mp, struct manpage *res |
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Line 887 process_onefile(struct mparse *mp, struct manpage *res |
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static void |
static void |
parse(struct mparse *mp, int fd, const char *file, |
parse(struct mparse *mp, int fd, const char *file, |
struct outstate *outst, struct manoutput *outconf) |
struct outstate *outst, struct manconf *conf) |
{ |
{ |
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static struct manpaths basepaths; |
static int previous; |
static int previous; |
struct roff_meta *meta; |
struct roff_meta *meta; |
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Line 868 parse(struct mparse *mp, int fd, const char *file, |
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Line 915 parse(struct mparse *mp, int fd, const char *file, |
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return; |
return; |
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if (outst->outdata == NULL) |
if (outst->outdata == NULL) |
outdata_alloc(outst, outconf); |
outdata_alloc(outst, &conf->output); |
else if (outst->outtype == OUTT_HTML) |
else if (outst->outtype == OUTT_HTML) |
html_reset(outst); |
html_reset(outst->outdata); |
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mandoc_xr_reset(); |
mandoc_xr_reset(); |
meta = mparse_result(mp); |
meta = mparse_result(mp); |
Line 921 parse(struct mparse *mp, int fd, const char *file, |
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Line 968 parse(struct mparse *mp, int fd, const char *file, |
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case OUTT_PS: |
case OUTT_PS: |
terminal_man(outst->outdata, meta); |
terminal_man(outst->outdata, meta); |
break; |
break; |
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case OUTT_MARKDOWN: |
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mandoc_msg(MANDOCERR_MAN_TMARKDOWN, 0, 0, NULL); |
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break; |
default: |
default: |
break; |
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 |
static void |
check_xr(void) |
check_xr(struct manpaths *paths) |
{ |
{ |
static struct manpaths paths; |
|
struct mansearch search; |
struct mansearch search; |
struct mandoc_xr *xr; |
struct mandoc_xr *xr; |
size_t sz; |
size_t sz; |
|
|
if (paths.sz == 0) |
|
manpath_base(&paths); |
|
|
|
for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) { |
for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) { |
if (xr->line == -1) |
if (xr->line == -1) |
continue; |
continue; |
|
|
search.outkey = NULL; |
search.outkey = NULL; |
search.argmode = ARG_NAME; |
search.argmode = ARG_NAME; |
search.firstmatch = 1; |
search.firstmatch = 1; |
if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz)) |
if (mansearch(&search, paths, 1, &xr->name, NULL, &sz)) |
continue; |
continue; |
if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz) != -1) |
if (fs_search(&search, paths, xr->name, NULL, &sz) != -1) |
continue; |
continue; |
if (xr->count == 1) |
if (xr->count == 1) |
mandoc_msg(MANDOCERR_XR_BAD, xr->line, |
mandoc_msg(MANDOCERR_XR_BAD, xr->line, |
Line 1115 woptions(char *arg, enum mandoc_os *os_e, int *wstop) |
|
Line 1169 woptions(char *arg, enum mandoc_os *os_e, int *wstop) |
|
* then fork the pager and wait for the user to close it. |
* then fork the pager and wait for the user to close it. |
*/ |
*/ |
static void |
static void |
run_pager(struct tag_files *tag_files) |
run_pager(struct outstate *outst, char *tag_target) |
{ |
{ |
int signum, status; |
int signum, status; |
pid_t man_pgid, tc_pgid; |
pid_t man_pgid, tc_pgid; |
pid_t pager_pid, wait_pid; |
pid_t pager_pid, wait_pid; |
|
|
man_pgid = getpgid(0); |
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; |
pager_pid = 0; |
signum = SIGSTOP; |
signum = SIGSTOP; |
|
|
for (;;) { |
for (;;) { |
/* Stop here until moved to the foreground. */ |
/* 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 != man_pgid) { |
if (tc_pgid == pager_pid) { |
if (tc_pgid == pager_pid) { |
(void)tcsetpgrp(tag_files->ofd, man_pgid); |
(void)tcsetpgrp(STDOUT_FILENO, man_pgid); |
if (signum == SIGTTIN) |
if (signum == SIGTTIN) |
continue; |
continue; |
} else |
} else |
tag_files->tcpgid = tc_pgid; |
outst->tag_files->tcpgid = tc_pgid; |
kill(0, signum); |
kill(0, signum); |
continue; |
continue; |
} |
} |
Line 1145 run_pager(struct tag_files *tag_files) |
|
Line 1199 run_pager(struct tag_files *tag_files) |
|
/* Once in the foreground, activate the pager. */ |
/* Once in the foreground, activate the pager. */ |
|
|
if (pager_pid) { |
if (pager_pid) { |
(void)tcsetpgrp(tag_files->ofd, pager_pid); |
(void)tcsetpgrp(STDOUT_FILENO, pager_pid); |
kill(pager_pid, SIGCONT); |
kill(pager_pid, SIGCONT); |
} else |
} else |
pager_pid = spawn_pager(tag_files); |
pager_pid = spawn_pager(outst, tag_target); |
|
|
/* Wait for the pager to stop or exit. */ |
/* Wait for the pager to stop or exit. */ |
|
|
Line 1169 run_pager(struct tag_files *tag_files) |
|
Line 1223 run_pager(struct tag_files *tag_files) |
|
} |
} |
|
|
static pid_t |
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 */ |
const struct timespec timeout = { 0, 100000000 }; /* 0.1s */ |
#define MAX_PAGER_ARGS 16 |
#define MAX_PAGER_ARGS 16 |
Line 1182 spawn_pager(struct tag_files *tag_files) |
|
Line 1236 spawn_pager(struct tag_files *tag_files) |
|
int argc, use_ofn; |
int argc, use_ofn; |
pid_t pager_pid; |
pid_t pager_pid; |
|
|
|
assert(outst->tag_files->ofd == -1); |
|
assert(outst->tag_files->tfs == NULL); |
|
|
pager = getenv("MANPAGER"); |
pager = getenv("MANPAGER"); |
if (pager == NULL || *pager == '\0') |
if (pager == NULL || *pager == '\0') |
pager = getenv("PAGER"); |
pager = getenv("PAGER"); |
if (pager == NULL || *pager == '\0') |
if (pager == NULL || *pager == '\0') |
pager = "more -s"; |
pager = BINM_PAGER; |
cp = mandoc_strdup(pager); |
cp = mandoc_strdup(pager); |
|
|
/* |
/* |
Line 1211 spawn_pager(struct tag_files *tag_files) |
|
Line 1268 spawn_pager(struct tag_files *tag_files) |
|
|
|
use_ofn = 1; |
use_ofn = 1; |
#if HAVE_LESS_T |
#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; |
cp = argv[0] + cmdlen - 4; |
if (strcmp(cp, "less") == 0) { |
if (strcmp(cp, "less") == 0) { |
argv[argc++] = mandoc_strdup("-T"); |
argv[argc++] = mandoc_strdup("-T"); |
argv[argc++] = tag_files->tfn; |
argv[argc++] = outst->tag_files->tfn; |
if (tag_files->tagname != NULL) { |
if (tag_target != NULL) { |
argv[argc++] = mandoc_strdup("-t"); |
argv[argc++] = mandoc_strdup("-t"); |
argv[argc++] = tag_files->tagname; |
argv[argc++] = tag_target; |
use_ofn = 0; |
use_ofn = 0; |
} |
} |
} |
} |
} |
} |
#endif |
#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] = outst->tag_files->ofn; |
|
argc++; |
|
} |
argv[argc] = NULL; |
argv[argc] = NULL; |
|
|
switch (pager_pid = fork()) { |
switch (pager_pid = fork()) { |
Line 1236 spawn_pager(struct tag_files *tag_files) |
|
Line 1300 spawn_pager(struct tag_files *tag_files) |
|
break; |
break; |
default: |
default: |
(void)setpgid(pager_pid, 0); |
(void)setpgid(pager_pid, 0); |
(void)tcsetpgrp(tag_files->ofd, pager_pid); |
(void)tcsetpgrp(STDOUT_FILENO, pager_pid); |
#if HAVE_PLEDGE |
#if HAVE_PLEDGE |
if (pledge("stdio rpath tmppath tty proc", NULL) == -1) { |
if (pledge("stdio rpath tmppath tty proc", NULL) == -1) { |
mandoc_msg(MANDOCERR_PLEDGE, 0, 0, |
mandoc_msg(MANDOCERR_PLEDGE, 0, 0, |
Line 1244 spawn_pager(struct tag_files *tag_files) |
|
Line 1308 spawn_pager(struct tag_files *tag_files) |
|
exit(mandoc_msg_getrc()); |
exit(mandoc_msg_getrc()); |
} |
} |
#endif |
#endif |
tag_files->pager_pid = pager_pid; |
outst->tag_files->pager_pid = pager_pid; |
return 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()) |
while (tcgetpgrp(STDOUT_FILENO) != getpid()) |
nanosleep(&timeout, NULL); |
nanosleep(&timeout, NULL); |