mandoc/main.c - diff

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Up to [cvsweb.bsd.lv] / mandoc

Diff for /mandoc/main.c between version 1.238 and 1.247

version 1.238, 2015/04/29 11:04:17

version 1.247, 2015/10/11 21:12:54

Line 24

#include <assert.h>

#include <ctype.h>

#include <errno.h>

#include <err.h>

#include <fcntl.h>

#include <glob.h>

#include <signal.h>

Line 39

#include "roff.h"

#include "mdoc.h"

#include "man.h"

#include "tag.h"

#include "main.h"

#include "manconf.h"

#include "mansearch.h"

Line 94 static int fs_lookup(const struct manpaths *,

Line 95 static int fs_lookup(const struct manpaths *,

static void fs_search(const struct mansearch *,

const struct manpaths *, int, char**,

struct manpage **, size_t *);

static void handle_sigpipe(int);

static int koptions(int *, char *);

#if HAVE_SQLITE3

int mandocdb(int, char**);

Line 104 static void mmsg(enum mandocerr, enum mandoclevel,

const char *, int, int, const char *);

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

static void passthrough(const char *, int, int);

static pid_t spawn_pager(void);

static pid_t spawn_pager(struct tag_files *);

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

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

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

extern char *__progname;

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

static char help_arg[] = "help";

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

static const char *progname;

static enum mandoclevel rc;

Line 122 main(int argc, char *argv[])

Line 123 main(int argc, char *argv[])

struct manconf conf;

struct curparse curp;

struct mansearch search;

struct tag_files *tag_files;

char *auxpaths;

char *defos;

unsigned char *uc;

Line 135 main(int argc, char *argv[])

Line 137 main(int argc, char *argv[])

int fd;

int show_usage;

int options;

int use_pager;

int c;

pid_t pager_pid; /* 0: don't use; 1: not yet spawned. */

#if !HAVE_PROGNAME

if (argc < 1)

progname = "mandoc";

__progname = mandoc_strdup("mandoc");

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

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

progname = argv[0];

__progname = argv[0];

else

++progname;

++__progname;

#endif

#if HAVE_SQLITE3

if (strcmp(progname, BINM_MAKEWHATIS) == 0)

if (strcmp(__progname, BINM_MAKEWHATIS) == 0)

return(mandocdb(argc, argv));

return mandocdb(argc, argv);

#endif

/* Search options. */

Line 159 main(int argc, char *argv[])

Line 163 main(int argc, char *argv[])

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

search.outkey = "Nd";

if (strcmp(progname, BINM_MAN) == 0)

if (strcmp(__progname, BINM_MAN) == 0)

search.argmode = ARG_NAME;

else if (strcmp(progname, BINM_APROPOS) == 0)

else if (strcmp(__progname, BINM_APROPOS) == 0)

search.argmode = ARG_EXPR;

else if (strcmp(progname, BINM_WHATIS) == 0)

else if (strcmp(__progname, BINM_WHATIS) == 0)

search.argmode = ARG_WORD;

else if (strncmp(progname, "help", 4) == 0)

else if (strncmp(__progname, "help", 4) == 0)

search.argmode = ARG_NAME;

else

search.argmode = ARG_FILE;

Line 179 main(int argc, char *argv[])

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

options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;

defos = NULL;

pager_pid = 1;

use_pager = 1;

tag_files = NULL;

show_usage = 0;

outmode = OUTMODE_DEF;

Line 193 main(int argc, char *argv[])

Line 198 main(int argc, char *argv[])

conf_file = optarg;

break;

case 'c':

pager_pid = 0;

use_pager = 0;

break;

case 'f':

search.argmode = ARG_WORD;

break;

case 'h':

conf.output.synopsisonly = 1;

pager_pid = 0;

use_pager = 0;

outmode = OUTMODE_ALL;

break;

case 'I':

if (strncmp(optarg, "os=", 3)) {

fprintf(stderr,

warnx("-I %s: Bad argument", optarg);

"%s: -I %s: Bad argument\n",

return (int)MANDOCLEVEL_BADARG;

progname, optarg);

return((int)MANDOCLEVEL_BADARG);

}

if (defos) {

fprintf(stderr,

warnx("-I %s: Duplicate argument", optarg);

"%s: -I %s: Duplicate argument\n",

return (int)MANDOCLEVEL_BADARG;

progname, optarg);

return((int)MANDOCLEVEL_BADARG);

}

defos = mandoc_strdup(optarg + 3);

break;

Line 223 main(int argc, char *argv[])

Line 224 main(int argc, char *argv[])

break;

case 'K':

if ( ! koptions(&options, optarg))

return((int)MANDOCLEVEL_BADARG);

return (int)MANDOCLEVEL_BADARG;

break;

case 'k':

search.argmode = ARG_EXPR;

Line 252 main(int argc, char *argv[])

Line 253 main(int argc, char *argv[])

break;

case 'T':

if ( ! toptions(&curp, optarg))

return((int)MANDOCLEVEL_BADARG);

return (int)MANDOCLEVEL_BADARG;

break;

case 'W':

if ( ! woptions(&curp, optarg))

return((int)MANDOCLEVEL_BADARG);

return (int)MANDOCLEVEL_BADARG;

break;

case 'w':

outmode = OUTMODE_FLN;

Line 276 main(int argc, char *argv[])

Line 277 main(int argc, char *argv[])

switch (search.argmode) {

case ARG_FILE:

outmode = OUTMODE_ALL;

pager_pid = 0;

use_pager = 0;

break;

case ARG_NAME:

outmode = OUTMODE_ONE;

Line 287 main(int argc, char *argv[])

Line 288 main(int argc, char *argv[])

}

if (outmode == OUTMODE_FLN ||

outmode == OUTMODE_LST ||

!isatty(STDOUT_FILENO))

use_pager = 0;

/* Parse arguments. */

if (argc > 0) {

Line 301 main(int argc, char *argv[])

Line 307 main(int argc, char *argv[])

if (search.argmode == ARG_NAME) {

if (*progname == 'h') {

if (*__progname == 'h') {

if (argc == 0) {

argv = help_argv;

argc = 1;

Line 347 main(int argc, char *argv[])

Line 353 main(int argc, char *argv[])

if (search.argmode != ARG_NAME) {

fputs("mandoc: database support not compiled in\n",

stderr);

return((int)MANDOCLEVEL_BADARG);

return (int)MANDOCLEVEL_BADARG;

}

sz = 0;

#endif

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

Line 363 main(int argc, char *argv[])

fs_search(&search, &conf.manpath,

argc, argv, &res, &sz);

else

fprintf(stderr,

warnx("nothing appropriate");

"%s: nothing appropriate\n",

progname);

}

if (sz == 0) {

Line 416 main(int argc, char *argv[])

Line 420 main(int argc, char *argv[])

/* mandoc(1) */

if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths))

return((int)MANDOCLEVEL_BADARG);

return (int)MANDOCLEVEL_BADARG;

curp.mchars = mchars_alloc();

curp.mp = mparse_alloc(options, curp.wlevel, mmsg,

Line 429 main(int argc, char *argv[])

Line 433 main(int argc, char *argv[])

mparse_keep(curp.mp);

if (argc < 1) {

if (pager_pid == 1 && isatty(STDOUT_FILENO))

if (use_pager)

pager_pid = spawn_pager();

tag_files = tag_init();

parse(&curp, STDIN_FILENO, "<stdin>");

}

Line 441 main(int argc, char *argv[])

Line 445 main(int argc, char *argv[])

rc = rctmp;

if (fd != -1) {

if (pager_pid == 1 && isatty(STDOUT_FILENO))

if (use_pager) {

pager_pid = spawn_pager();

tag_files = tag_init();

use_pager = 0;

}

if (resp == NULL)

parse(&curp, fd, *argv);

Line 454 main(int argc, char *argv[])

Line 460 main(int argc, char *argv[])

passthrough(resp->file, fd,

conf.output.synopsisonly);

rctmp = mparse_wait(curp.mp);

if (rc < rctmp)

rc = rctmp;

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

ascii_sepline(curp.outdata);

}

Line 490 out:

Line 492 out:

free(defos);

* If a pager is attached, flush the pipe leading to it

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

* and signal end of file such that the user can browse

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

* to the end. Then wait for the user to close the pager.

if (pager_pid != 0 && pager_pid != 1) {

if (tag_files != NULL) {

fclose(stdout);

waitpid(pager_pid, NULL, 0);

tag_write();

waitpid(spawn_pager(tag_files), NULL, 0);

tag_unlink();

}

return((int)rc);

return (int)rc;

}

static void

Line 567 fs_lookup(const struct manpaths *paths, size_t ipath,

Line 570 fs_lookup(const struct manpaths *paths, size_t ipath,

free(file);

}

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

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

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

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

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

fprintf(stderr, "%s: %s: glob: %s\n",

warn("%s: glob", file);

progname, file, strerror(errno));

free(file);

if (globres == 0)

file = mandoc_strdup(*globinfo.gl_pathv);

globfree(&globinfo);

if (globres != 0)

return(0);

return 0;

found:

#if HAVE_SQLITE3

fprintf(stderr, "%s: outdated mandoc.db lacks %s(%s) entry, run "

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

"makewhatis %s\n", progname, name, sec, paths->paths[ipath]);

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

#endif

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

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

Line 594 found:

Line 596 found:

page->bits = NAME_FILE & NAME_MASK;

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

page->form = form;

return(1);

return 1;

}

static void

Line 625 fs_search(const struct mansearch *cfg, const struct ma

Line 627 fs_search(const struct mansearch *cfg, const struct ma

return;

}

if (*ressz == lastsz)

fprintf(stderr,

warnx("No entry for %s in the manual.", *argv);

"%s: No entry for %s in the manual.\n",

progname, *argv);

lastsz = *ressz;

argv++;

argc--;

Line 798 done:

return;

fail:

fprintf(stderr, "%s: %s: SYSERR: %s: %s",

warn("%s: SYSERR: %s", file, syscall);

progname, file, syscall, strerror(errno));

if (rc < MANDOCLEVEL_SYSERR)

rc = MANDOCLEVEL_SYSERR;

}

Line 817 koptions(int *options, char *arg)

Line 816 koptions(int *options, char *arg)

} else if ( ! strcmp(arg, "us-ascii")) {

*options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);

} else {

fprintf(stderr, "%s: -K %s: Bad argument\n",

warnx("-K %s: Bad argument", arg);

progname, arg);

return 0;

return(0);

}

return(1);

return 1;

}

static int

Line 837 moptions(int *options, char *arg)

Line 835 moptions(int *options, char *arg)

else if (0 == strcmp(arg, "an"))

*options |= MPARSE_MAN;

else {

fprintf(stderr, "%s: -m %s: Bad argument\n",

warnx("-m %s: Bad argument", arg);

progname, arg);

return 0;

return(0);

}

return(1);

return 1;

}

static int

Line 871 toptions(struct curparse *curp, char *arg)

Line 868 toptions(struct curparse *curp, char *arg)

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

curp->outtype = OUTT_PDF;

else {

fprintf(stderr, "%s: -T %s: Bad argument\n",

warnx("-T %s: Bad argument", arg);

progname, arg);

return 0;

return(0);

}

return(1);

return 1;

}

static int

Line 914 woptions(struct curparse *curp, char *arg)

Line 910 woptions(struct curparse *curp, char *arg)

curp->wlevel = MANDOCLEVEL_BADARG;

break;

default:

fprintf(stderr, "%s: -W %s: Bad argument\n",

warnx("-W %s: Bad argument", o);

progname, o);

return 0;

return(0);

}

return(1);

return 1;

}

static void

Line 929 mmsg(enum mandocerr t, enum mandoclevel lvl,

Line 924 mmsg(enum mandocerr t, enum mandoclevel lvl,

{

const char *mparse_msg;

fprintf(stderr, "%s: %s:", progname, file);

fprintf(stderr, "%s: %s:", __progname, file);

if (line)

fprintf(stderr, "%d:%d:", line, col + 1);

Line 945 mmsg(enum mandocerr t, enum mandoclevel lvl,

Line 940 mmsg(enum mandocerr t, enum mandoclevel lvl,

fputc('\n', stderr);

}

static void

handle_sigpipe(int signum)

{

exit((int)rc);

}

static pid_t

spawn_pager(void)

spawn_pager(struct tag_files *tag_files)

{

#define MAX_PAGER_ARGS 16

char *argv[MAX_PAGER_ARGS];

const char *pager;

char *cp;

int fildes[2];

size_t cmdlen;

int argc;

pid_t pager_pid;

if (pipe(fildes) == -1) {

fprintf(stderr, "%s: pipe: %s\n",

progname, strerror(errno));

return(0);

}

switch (pager_pid = fork()) {

case -1:

fprintf(stderr, "%s: fork: %s\n",

progname, strerror(errno));

exit((int)MANDOCLEVEL_SYSERR);

case 0:

break;

default:

close(fildes[0]);

if (dup2(fildes[1], STDOUT_FILENO) == -1) {

fprintf(stderr, "%s: dup output: %s\n",

progname, strerror(errno));

exit((int)MANDOCLEVEL_SYSERR);

}

close(fildes[1]);

signal(SIGPIPE, handle_sigpipe);

return(pager_pid);

}

/* The child process becomes the pager. */

close(fildes[1]);

if (dup2(fildes[0], STDIN_FILENO) == -1) {

fprintf(stderr, "%s: dup input: %s\n",

progname, strerror(errno));

exit((int)MANDOCLEVEL_SYSERR);

}

close(fildes[0]);

pager = getenv("MANPAGER");

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

pager = getenv("PAGER");

Line 1011 spawn_pager(void)

Line 964 spawn_pager(void)

argc = 0;

while (argc + 1 < MAX_PAGER_ARGS) {

while (argc + 4 < MAX_PAGER_ARGS) {

argv[argc++] = cp;

cp = strchr(cp, ' ');

if (cp == NULL)

Line 1022 spawn_pager(void)

Line 975 spawn_pager(void)

if (*cp == '\0')

break;

}

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

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

cp = argv[0] + cmdlen - 4;

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

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

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

}

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

argv[argc] = NULL;

/* Hand over to the pager. */

switch (pager_pid = fork()) {

case -1:

err((int)MANDOCLEVEL_SYSERR, "fork");

case 0:

break;

default:

return pager_pid;

}

/* The child process becomes the pager. */

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

err((int)MANDOCLEVEL_SYSERR, "pager stdout");

close(tag_files->ofd);

close(tag_files->tfd);

execvp(argv[0], argv);

fprintf(stderr, "%s: exec %s: %s\n",

err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);

progname, argv[0], strerror(errno));

exit((int)MANDOCLEVEL_SYSERR);

}

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