mandoc/main.c - diff

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Up to [cvsweb.bsd.lv] / mandoc

Diff for /mandoc/main.c between version 1.329 and 1.337

version 1.329, 2019/07/10 19:39:01

version 1.337, 2019/07/28 13:13:03

Line 77 enum outt {

OUTT_PDF /* -Tpdf */

};

struct curparse {

struct outstate {

struct mparse *mp;

struct tag_files *tag_files; /* Tagging state variables. */

struct manoutput *outopts; /* output options */

void *outdata; /* data for output */

char *os_s; /* operating system for display */

int use_pager;

int wstop; /* stop after a file with a warning */

enum mandoc_os os_e; /* check base system conventions */

int had_output; /* Some output was generated. */

enum outt outtype; /* which output to use */

};

Line 98 static int fs_lookup(const struct manpaths *,

Line 97 static int fs_lookup(const struct manpaths *,

static int fs_search(const struct mansearch *,

const struct manpaths *, int, char**,

struct manpage **, size_t *);

static void outdata_alloc(struct curparse *);

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

static void parse(struct curparse *, int, const char *);

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

struct outstate *, struct manoutput *);

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 pid_t spawn_pager(struct tag_files *);

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

static int woptions(struct curparse *, char *);

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

static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};

static char help_arg[] = "help";

Line 113 static char *help_argv[] = {help_arg, NULL};

Line 116 static char *help_argv[] = {help_arg, NULL};

int

main(int argc, char *argv[])

{

struct manconf conf;

struct manconf conf; /* Manpaths and output options. */

struct mansearch search;

struct outstate outst; /* Output state. */

struct curparse curp;

struct winsize ws; /* Result of ioctl(TIOCGWINSZ). */

struct winsize ws;

struct mansearch search; /* Search options. */

struct tag_files *tag_files;

struct manpage *res, *resp; /* Search results. */

struct manpage *res, *resp;

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

const char *progname, *sec, *thisarg;

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

char *conf_file, *defpaths, *auxpaths;

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

char *oarg, *tagarg;

const char *progname, *sec;

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

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

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

char *tagarg; /* -O tag: default value. */

unsigned char *uc;

size_t i, sz, ssz;

size_t sz; /* Number of elements in res[]. */

size_t i, ssz;

int options; /* Parser options. */

int show_usage; /* Invalid argument: give up. */

int prio, best_prio;

enum outmode outmode;

int startdir;

int fd, startdir;

int show_usage;

int options;

int use_pager;

int status, signum;

int c;

pid_t pager_pid, tc_pgid, man_pgid, pid;

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

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

#if HAVE_PROGNAME

progname = getprogname();

Line 165 main(int argc, char *argv[])

Line 171 main(int argc, char *argv[])

/* Search options. */

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

conf_file = defpaths = NULL;

conf_file = NULL;

auxpaths = NULL;

defpaths = auxpaths = NULL;

memset(&search, 0, sizeof(struct mansearch));

search.outkey = "Nd";

Line 183 main(int argc, char *argv[])

Line 189 main(int argc, char *argv[])

else

search.argmode = ARG_FILE;

/* Parser and formatter options. */

/* Parser options. */

memset(&curp, 0, sizeof(struct curparse));

curp.outtype = OUTT_LOCALE;

curp.outopts = &conf.output;

options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;

os_e = MANDOC_OS_OTHER;

os_s = NULL;

use_pager = 1;

/* Formatter options. */

tag_files = NULL;

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

outst.tag_files = NULL;

outst.outtype = OUTT_LOCALE;

outst.use_pager = 1;

show_usage = 0;

outmode = OUTMODE_DEF;

Line 209 main(int argc, char *argv[])

Line 219 main(int argc, char *argv[])

conf_file = optarg;

break;

case 'c':

use_pager = 0;

outst.use_pager = 0;

break;

case 'f':

search.argmode = ARG_WORD;

break;

case 'h':

conf.output.synopsisonly = 1;

use_pager = 0;

outst.use_pager = 0;

outmode = OUTMODE_ALL;

break;

case 'I':

Line 225 main(int argc, char *argv[])

Line 235 main(int argc, char *argv[])

"-I %s", optarg);

return mandoc_msg_getrc();

}

if (curp.os_s != NULL) {

if (os_s != NULL) {

mandoc_msg(MANDOCERR_BADARG_DUPE, 0, 0,

"-I %s", optarg);

return mandoc_msg_getrc();

}

curp.os_s = mandoc_strdup(optarg + 3);

os_s = optarg + 3;

break;

case 'K':

options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);

Line 268 main(int argc, char *argv[])

Line 278 main(int argc, char *argv[])

break;

case 'T':

if (strcmp(optarg, "ascii") == 0)

curp.outtype = OUTT_ASCII;

outst.outtype = OUTT_ASCII;

else if (strcmp(optarg, "lint") == 0) {

curp.outtype = OUTT_LINT;

outst.outtype = OUTT_LINT;

mandoc_msg_setoutfile(stdout);

mandoc_msg_setmin(MANDOCERR_BASE);

} else if (strcmp(optarg, "tree") == 0)

curp.outtype = OUTT_TREE;

outst.outtype = OUTT_TREE;

else if (strcmp(optarg, "man") == 0)

curp.outtype = OUTT_MAN;

outst.outtype = OUTT_MAN;

else if (strcmp(optarg, "html") == 0)

curp.outtype = OUTT_HTML;

outst.outtype = OUTT_HTML;

else if (strcmp(optarg, "markdown") == 0)

curp.outtype = OUTT_MARKDOWN;

outst.outtype = OUTT_MARKDOWN;

else if (strcmp(optarg, "utf8") == 0)

curp.outtype = OUTT_UTF8;

outst.outtype = OUTT_UTF8;

else if (strcmp(optarg, "locale") == 0)

curp.outtype = OUTT_LOCALE;

outst.outtype = OUTT_LOCALE;

else if (strcmp(optarg, "ps") == 0)

curp.outtype = OUTT_PS;

outst.outtype = OUTT_PS;

else if (strcmp(optarg, "pdf") == 0)

curp.outtype = OUTT_PDF;

outst.outtype = OUTT_PDF;

else {

mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,

"-T %s", optarg);

Line 296 main(int argc, char *argv[])

Line 306 main(int argc, char *argv[])

}

break;

case 'W':

if (woptions(&curp, optarg) == -1)

if (woptions(optarg, &os_e, &outst.wstop) == -1)

return mandoc_msg_getrc();

break;

case 'w':

Line 317 main(int argc, char *argv[])

Line 327 main(int argc, char *argv[])

switch (search.argmode) {

case ARG_FILE:

outmode = OUTMODE_ALL;

use_pager = 0;

outst.use_pager = 0;

break;

case ARG_NAME:

outmode = OUTMODE_ONE;

Line 340 main(int argc, char *argv[])

Line 350 main(int argc, char *argv[])

}

if (curp.outtype != OUTT_TREE || !curp.outopts->noval)

if (outst.outtype != OUTT_TREE || conf.output.noval == 0)

options |= MPARSE_VALIDATE;

if (outmode == OUTMODE_FLN ||

outmode == OUTMODE_LST ||

!isatty(STDOUT_FILENO))

use_pager = 0;

outst.use_pager = 0;

if (use_pager &&

if (outst.use_pager &&

(conf.output.width == 0 || conf.output.indent == 0) &&

ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&

ws.ws_col > 1) {

Line 359 main(int argc, char *argv[])

Line 369 main(int argc, char *argv[])

}

#if HAVE_PLEDGE

if (use_pager == 0) {

if (outst.use_pager == 0) {

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

mandoc_msg(MANDOCERR_PLEDGE, 0, 0,

"%s", strerror(errno));

Line 521 main(int argc, char *argv[])

Line 531 main(int argc, char *argv[])

if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)

goto out;

} else {

sz = argc > 0 ? argc : 1;

resp = res = mandoc_recallocarray(NULL, 0, sz, sizeof(*res));

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

if (argc > 0)

res[i].file = mandoc_strdup(argv[i]);

res[i].ipath = SIZE_MAX;

res[i].form = FORM_SRC;

}

if (argc < 1)

argc = 1;

}

/* mandoc(1) */

#if HAVE_PLEDGE

if (use_pager) {

if (outst.use_pager) {

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

mandoc_msg(MANDOCERR_PLEDGE, 0, 0,

"%s", strerror(errno));

Line 549 main(int argc, char *argv[])

Line 570 main(int argc, char *argv[])

}

mchars_alloc();

curp.mp = mparse_alloc(options, curp.os_e, curp.os_s);

mp = mparse_alloc(options, os_e, os_s);

if (argc < 1) {

if (use_pager) {

tag_files = tag_init();

if (tag_files != NULL)

tag_files->tagname = conf.output.tag;

}

thisarg = "<stdin>";

mandoc_msg_setinfilename(thisarg);

parse(&curp, STDIN_FILENO, thisarg);

mandoc_msg_setinfilename(NULL);

}

* Remember the original working directory, if possible.

* This will be needed if some names on the command line

Line 572 main(int argc, char *argv[])

Line 581 main(int argc, char *argv[])

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

while (argc > 0) {

while (argc-- > 0) {

process_onefile(mp, resp++, startdir, &outst, &conf);

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

* Changing directories is not needed in ARG_FILE mode.

* Do it on a best-effort basis. Even in case of

* failure, some functionality may still work.

if (resp != NULL) {

if (resp->ipath != SIZE_MAX)

(void)chdir(conf.manpath.paths[resp->ipath]);

else if (startdir != -1)

(void)fchdir(startdir);

thisarg = resp->file;

} else

thisarg = *argv;

mandoc_msg_setinfilename(thisarg);

fd = mparse_open(curp.mp, thisarg);

if (fd != -1) {

if (use_pager) {

use_pager = 0;

tag_files = tag_init();

if (tag_files != NULL)

tag_files->tagname = conf.output.tag;

}

if (resp == NULL || resp->form == FORM_SRC)

parse(&curp, fd, thisarg);

else

passthrough(fd, conf.output.synopsisonly);

if (ferror(stdout)) {

if (tag_files != NULL) {

mandoc_msg(MANDOCERR_WRITE, 0, 0,

"%s: %s", tag_files->ofn,

strerror(errno));

tag_unlink();

tag_files = NULL;

} else

mandoc_msg(MANDOCERR_WRITE, 0, 0,

"%s", strerror(errno));

break;

}

if (argc > 1 && curp.outtype <= OUTT_UTF8) {

if (curp.outdata == NULL)

outdata_alloc(&curp);

terminal_sepline(curp.outdata);

}

} else

mandoc_msg(resp == NULL ? MANDOCERR_BADARG_BAD :

MANDOCERR_OPEN, 0, 0, "%s", strerror(errno));

mandoc_msg_setinfilename(NULL);

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

break;

if (resp != NULL)

resp++;

else

argv++;

if (--argc)

mparse_reset(curp.mp);

}

if (startdir != -1) {

(void)fchdir(startdir);

close(startdir);

}

if (curp.outdata != NULL) {

if (outst.outdata != NULL) {

switch (curp.outtype) {

switch (outst.outtype) {

case OUTT_HTML:

html_free(curp.outdata);

html_free(outst.outdata);

break;

case OUTT_UTF8:

case OUTT_LOCALE:

case OUTT_ASCII:

ascii_free(curp.outdata);

ascii_free(outst.outdata);

break;

case OUTT_PDF:

case OUTT_PS:

pspdf_free(curp.outdata);

pspdf_free(outst.outdata);

break;

default:

break;

}

mandoc_xr_free();

mparse_free(curp.mp);

mparse_free(mp);

mchars_free();

out:

if (search.argmode != ARG_FILE) {

mansearch_free(res, sz);

if (search.argmode != ARG_FILE)

manconf_free(&conf);

mansearch_free(res, sz);

}

free(curp.os_s);

if (outst.tag_files != NULL) {

* When using a pager, finish writing both temporary files,

* fork it, wait for the user to close it, and clean up.

if (tag_files != NULL) {

fclose(stdout);

tag_write();

man_pgid = getpgid(0);

run_pager(outst.tag_files);

tag_files->tcpgid = 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);

if (tc_pgid != man_pgid) {

if (tc_pgid == pager_pid) {

(void)tcsetpgrp(tag_files->ofd,

man_pgid);

if (signum == SIGTTIN)

continue;

} else

tag_files->tcpgid = tc_pgid;

kill(0, signum);

continue;

}

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

if (pager_pid) {

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

kill(pager_pid, SIGCONT);

} else

pager_pid = spawn_pager(tag_files);

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

while ((pid = waitpid(pager_pid, &status,

WUNTRACED)) == -1 && errno == EINTR)

continue;

if (pid == -1) {

mandoc_msg(MANDOCERR_WAIT, 0, 0,

"%s", strerror(errno));

break;

}

if (!WIFSTOPPED(status))

break;

signum = WSTOPSIG(status);

}

tag_unlink();

}

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

mandoc_msg_summary();

return (int)mandoc_msg_getrc();

}

Line 885 fs_search(const struct mansearch *cfg, const struct ma

Line 783 fs_search(const struct mansearch *cfg, const struct ma

}

static void

parse(struct curparse *curp, int fd, const char *file)

process_onefile(struct mparse *mp, struct manpage *resp, int startdir,

struct outstate *outst, struct manconf *conf)

{

struct roff_meta *meta;

int fd;

/* Begin by parsing the file itself. */

* Changing directories is not needed in ARG_FILE mode.

* Do it on a best-effort basis. Even in case of

* failure, some functionality may still work.

if (resp->ipath != SIZE_MAX)

(void)chdir(conf->manpath.paths[resp->ipath]);

else if (startdir != -1)

(void)fchdir(startdir);

assert(file);

mandoc_msg_setinfilename(resp->file);

if (resp->file != NULL) {

if ((fd = mparse_open(mp, resp->file)) == -1) {

mandoc_msg(resp->ipath == SIZE_MAX ?

MANDOCERR_BADARG_BAD : MANDOCERR_OPEN,

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

mandoc_msg_setinfilename(NULL);

return;

}

} else

fd = STDIN_FILENO;

if (outst->use_pager) {

outst->use_pager = 0;

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

}

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

if (outst->outdata == NULL)

outdata_alloc(outst, &conf->output);

terminal_sepline(outst->outdata);

}

if (resp->form == FORM_SRC)

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

else {

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

outst->had_output = 1;

}

if (ferror(stdout)) {

if (outst->tag_files != NULL) {

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

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

tag_unlink();

outst->tag_files = NULL;

} else

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

strerror(errno));

}

mandoc_msg_setinfilename(NULL);

}

static void

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

struct outstate *outst, struct manoutput *outconf)

{

static int previous;

struct roff_meta *meta;

assert(fd >= 0);

if (file == NULL)

file = "<stdin>";

mparse_readfd(curp->mp, fd, file);

if (previous)

mparse_reset(mp);

else

previous = 1;

mparse_readfd(mp, fd, file);

if (fd != STDIN_FILENO)

close(fd);

Line 903 parse(struct curparse *curp, int fd, const char *file)

Line 866 parse(struct curparse *curp, int fd, const char *file)

* level, do not produce output.

if (curp->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)

if (outst->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)

return;

if (curp->outdata == NULL)

if (outst->outdata == NULL)

outdata_alloc(curp);

outdata_alloc(outst, outconf);

else if (curp->outtype == OUTT_HTML)

else if (outst->outtype == OUTT_HTML)

html_reset(curp);

html_reset(outst);

mandoc_xr_reset();

meta = mparse_result(curp->mp);

meta = mparse_result(mp);

/* Execute the out device, if it exists. */

outst->had_output = 1;

if (meta->macroset == MACROSET_MDOC) {

switch (curp->outtype) {

switch (outst->outtype) {

case OUTT_HTML:

html_mdoc(curp->outdata, meta);

html_mdoc(outst->outdata, meta);

break;

case OUTT_TREE:

tree_mdoc(curp->outdata, meta);

tree_mdoc(outst->outdata, meta);

break;

case OUTT_MAN:

man_mdoc(curp->outdata, meta);

man_mdoc(outst->outdata, meta);

break;

case OUTT_PDF:

case OUTT_ASCII:

case OUTT_UTF8:

case OUTT_LOCALE:

case OUTT_PS:

terminal_mdoc(curp->outdata, meta);

terminal_mdoc(outst->outdata, meta);

break;

case OUTT_MARKDOWN:

markdown_mdoc(curp->outdata, meta);

markdown_mdoc(outst->outdata, meta);

break;

default:

break;

}

if (meta->macroset == MACROSET_MAN) {

switch (curp->outtype) {

switch (outst->outtype) {

case OUTT_HTML:

html_man(curp->outdata, meta);

html_man(outst->outdata, meta);

break;

case OUTT_TREE:

tree_man(curp->outdata, meta);

tree_man(outst->outdata, meta);

break;

case OUTT_MAN:

mparse_copy(curp->mp);

mparse_copy(mp);

break;

case OUTT_PDF:

case OUTT_ASCII:

case OUTT_UTF8:

case OUTT_LOCALE:

case OUTT_PS:

terminal_man(curp->outdata, meta);

terminal_man(outst->outdata, meta);

break;

default:

break;

Line 1001 check_xr(void)

Line 965 check_xr(void)

}

static void

outdata_alloc(struct curparse *curp)

outdata_alloc(struct outstate *outst, struct manoutput *outconf)

{

switch (curp->outtype) {

switch (outst->outtype) {

case OUTT_HTML:

curp->outdata = html_alloc(curp->outopts);

outst->outdata = html_alloc(outconf);

break;

case OUTT_UTF8:

curp->outdata = utf8_alloc(curp->outopts);

outst->outdata = utf8_alloc(outconf);

break;

case OUTT_LOCALE:

curp->outdata = locale_alloc(curp->outopts);

outst->outdata = locale_alloc(outconf);

break;

case OUTT_ASCII:

curp->outdata = ascii_alloc(curp->outopts);

outst->outdata = ascii_alloc(outconf);

break;

case OUTT_PDF:

curp->outdata = pdf_alloc(curp->outopts);

outst->outdata = pdf_alloc(outconf);

break;

case OUTT_PS:

curp->outdata = ps_alloc(curp->outopts);

outst->outdata = ps_alloc(outconf);

break;

default:

break;

Line 1090 done:

Line 1054 done:

}

static int

woptions(struct curparse *curp, char *arg)

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

{

char *v, *o;

const char *toks[11];

Line 1111 woptions(struct curparse *curp, char *arg)

Line 1075 woptions(struct curparse *curp, char *arg)

o = arg;

switch (getsubopt(&arg, (char * const *)toks, &v)) {

case 0:

curp->wstop = 1;

*wstop = 1;

break;

case 1:

case 2:

Line 1134 woptions(struct curparse *curp, char *arg)

Line 1098 woptions(struct curparse *curp, char *arg)

break;

case 8:

mandoc_msg_setmin(MANDOCERR_BASE);

curp->os_e = MANDOC_OS_OPENBSD;

*os_e = MANDOC_OS_OPENBSD;

break;

case 9:

mandoc_msg_setmin(MANDOCERR_BASE);

curp->os_e = MANDOC_OS_NETBSD;

*os_e = MANDOC_OS_NETBSD;

break;

default:

mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);

Line 1148 woptions(struct curparse *curp, char *arg)

Line 1112 woptions(struct curparse *curp, char *arg)

return 0;

}

* Wait until moved to the foreground,

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

static void

run_pager(struct tag_files *tag_files)

{

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()) :

man_pgid;

pager_pid = 0;

signum = SIGSTOP;

for (;;) {

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

tc_pgid = tcgetpgrp(tag_files->ofd);

if (tc_pgid != man_pgid) {

if (tc_pgid == pager_pid) {

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

if (signum == SIGTTIN)

continue;

} else

tag_files->tcpgid = tc_pgid;

kill(0, signum);

continue;

}

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

if (pager_pid) {

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

kill(pager_pid, SIGCONT);

} else

pager_pid = spawn_pager(tag_files);

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

while ((wait_pid = waitpid(pager_pid, &status,

WUNTRACED)) == -1 && errno == EINTR)

continue;

if (wait_pid == -1) {

mandoc_msg(MANDOCERR_WAIT, 0, 0,

"%s", strerror(errno));

break;

}

if (!WIFSTOPPED(status))

break;

signum = WSTOPSIG(status);

}

static pid_t

spawn_pager(struct tag_files *tag_files)

{

Line 1191 spawn_pager(struct tag_files *tag_files)

Line 1213 spawn_pager(struct tag_files *tag_files)

use_ofn = 1;

#if HAVE_LESS_T

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

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

cp = argv[0] + cmdlen - 4;

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

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

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