-/* $Id: main.c,v 1.327 2019/05/03 18:39:34 schwarze Exp $ */
+/* $Id: main.c,v 1.358 2021/09/04 22:38:46 schwarze Exp $ */
/*
+ * Copyright (c) 2010-2012, 2014-2021 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2012, 2014-2019 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* 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"
#include <errno.h>
#include <fcntl.h>
#include <glob.h>
+#include <limits.h>
#if HAVE_SANDBOX_INIT
#include <sandbox.h>
#endif
#include "man.h"
#include "mandoc_parse.h"
#include "tag.h"
+#include "term_tag.h"
#include "main.h"
#include "manconf.h"
#include "mansearch.h"
OUTT_PDF /* -Tpdf */
};
-struct curparse {
- struct mparse *mp;
- struct manoutput *outopts; /* output options */
+struct outstate {
+ struct tag_files *tag_files; /* Tagging state variables. */
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 */
};
int mandocdb(int, char *[]);
-static void check_xr(void);
-static int fs_lookup(const struct manpaths *,
- size_t ipath, const char *,
- const char *, const char *,
+static void check_xr(struct manpaths *);
+static void fs_append(char **, size_t, int,
+ size_t, const char *, enum form,
+ 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 *, int, char**,
+ const struct manpaths *, const char *,
struct manpage **, size_t *);
-static int koptions(int *, char *);
-static void moptions(int *, char *);
-static void outdata_alloc(struct curparse *);
-static void parse(struct curparse *, int, const char *);
-static void passthrough(const char *, int, int);
-static pid_t spawn_pager(struct tag_files *);
-static int toptions(struct curparse *, char *);
+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 manconf *);
+static void passthrough(int, int);
+static void process_onefile(struct mparse *, struct manpage *,
+ int, struct outstate *, struct manconf *);
+static void run_pager(struct outstate *, char *);
+static pid_t spawn_pager(struct outstate *, char *);
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";
int
main(int argc, char *argv[])
{
- struct manconf conf;
- struct mansearch search;
- struct curparse curp;
- struct winsize ws;
- struct tag_files *tag_files;
- struct manpage *res, *resp;
- const char *progname, *sec, *thisarg;
- char *conf_file, *defpaths, *auxpaths;
- char *oarg, *tagarg;
+ struct manconf conf; /* Manpaths and output options. */
+ struct outstate outst; /* Output state. */
+ struct winsize ws; /* Result of ioctl(TIOCGWINSZ). */
+ struct mansearch search; /* Search options. */
+ struct manpage *res; /* Complete list of search results. */
+ struct manpage *resn; /* Search results for one name. */
+ 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, *ep;
+ 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 ressz; /* Number of elements in res[]. */
+ size_t resnsz; /* Number of elements in resn[]. */
+ size_t i, ib, ssz;
+ int options; /* Parser options. */
+ int show_usage; /* Invalid argument: give up. */
int prio, best_prio;
- enum outmode outmode;
- int fd, startdir;
- int show_usage;
- int options;
- int use_pager;
- int status, signum;
+ int startdir;
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();
return mandocdb(argc, argv);
#if HAVE_PLEDGE
- if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
- err((int)MANDOCLEVEL_SYSERR, "pledge");
+ 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();
+ }
#endif
-
#if HAVE_SANDBOX_INIT
if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
/* Search options. */
memset(&conf, 0, sizeof(conf));
- conf_file = defpaths = NULL;
- auxpaths = NULL;
+ conf_file = NULL;
+ defpaths = auxpaths = NULL;
memset(&search, 0, sizeof(struct mansearch));
search.outkey = "Nd";
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;
+
+ /* Formatter options. */
+
+ memset(&outst, 0, sizeof(outst));
+ outst.tag_files = NULL;
+ outst.outtype = OUTT_LOCALE;
+ outst.use_pager = 1;
- use_pager = 1;
- tag_files = NULL;
show_usage = 0;
outmode = OUTMODE_DEF;
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':
- if (strncmp(optarg, "os=", 3)) {
- warnx("-I %s: Bad argument", optarg);
- return (int)MANDOCLEVEL_BADARG;
+ if (strncmp(optarg, "os=", 3) != 0) {
+ mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
+ "-I %s", optarg);
+ return mandoc_msg_getrc();
}
- if (curp.os_s != NULL) {
- warnx("-I %s: Duplicate argument", optarg);
- return (int)MANDOCLEVEL_BADARG;
+ 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':
- if ( ! koptions(&options, optarg))
- return (int)MANDOCLEVEL_BADARG;
+ options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
+ if (strcmp(optarg, "utf-8") == 0)
+ options |= MPARSE_UTF8;
+ else if (strcmp(optarg, "iso-8859-1") == 0)
+ options |= MPARSE_LATIN1;
+ else if (strcmp(optarg, "us-ascii") != 0) {
+ mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
+ "-K %s", optarg);
+ return mandoc_msg_getrc();
+ }
break;
case 'k':
search.argmode = ARG_EXPR;
search.sec = optarg;
break;
case 'T':
- if ( ! toptions(&curp, optarg))
- return (int)MANDOCLEVEL_BADARG;
+ if (strcmp(optarg, "ascii") == 0)
+ outst.outtype = OUTT_ASCII;
+ else if (strcmp(optarg, "lint") == 0) {
+ outst.outtype = OUTT_LINT;
+ mandoc_msg_setoutfile(stdout);
+ mandoc_msg_setmin(MANDOCERR_BASE);
+ } else if (strcmp(optarg, "tree") == 0)
+ outst.outtype = OUTT_TREE;
+ else if (strcmp(optarg, "man") == 0)
+ outst.outtype = OUTT_MAN;
+ else if (strcmp(optarg, "html") == 0)
+ outst.outtype = OUTT_HTML;
+ else if (strcmp(optarg, "markdown") == 0)
+ outst.outtype = OUTT_MARKDOWN;
+ else if (strcmp(optarg, "utf8") == 0)
+ outst.outtype = OUTT_UTF8;
+ else if (strcmp(optarg, "locale") == 0)
+ outst.outtype = OUTT_LOCALE;
+ else if (strcmp(optarg, "ps") == 0)
+ outst.outtype = OUTT_PS;
+ else if (strcmp(optarg, "pdf") == 0)
+ outst.outtype = OUTT_PDF;
+ else {
+ mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
+ "-T %s", optarg);
+ return mandoc_msg_getrc();
+ }
break;
case 'W':
- if ( ! woptions(&curp, optarg))
- return (int)MANDOCLEVEL_BADARG;
+ if (woptions(optarg, &os_e, &outst.wstop) == -1)
+ return mandoc_msg_getrc();
break;
case 'w':
outmode = OUTMODE_FLN;
/* Postprocess options. */
- if (outmode == OUTMODE_DEF) {
+ switch (outmode) {
+ case OUTMODE_DEF:
switch (search.argmode) {
case ARG_FILE:
outmode = OUTMODE_ALL;
- use_pager = 0;
+ outst.use_pager = 0;
break;
case ARG_NAME:
outmode = OUTMODE_ONE;
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) {
while (oarg != NULL) {
if (manconf_output(&conf.output,
strsep(&oarg, ","), 0) == -1)
- return (int)MANDOCLEVEL_BADARG;
+ return mandoc_msg_getrc();
}
}
}
- 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;
+ (conf.output.outfilename == NULL &&
+ conf.output.tagfilename == NULL &&
+ isatty(STDOUT_FILENO) == 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) {
}
#if HAVE_PLEDGE
- if (!use_pager)
- if (pledge("stdio rpath", NULL) == -1)
- err((int)MANDOCLEVEL_SYSERR, "pledge");
+ if (outst.use_pager == 0)
+ c = pledge("stdio rpath", NULL);
+ else if (conf.output.outfilename != NULL ||
+ conf.output.tagfilename != NULL)
+ 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
/* Parse arguments. */
argc -= optind;
argv += optind;
}
- resp = NULL;
/*
- * Quirks for help(1)
- * and for a man(1) section argument without -s.
+ * Quirks for help(1) and man(1),
+ * in particular for a section argument without -s.
*/
if (search.argmode == ARG_NAME) {
if (search.arch == NULL)
search.arch = MACHINE;
#endif
+ if (outmode == OUTMODE_ONE)
+ search.firstmatch = 1;
}
/*
conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;
}
- /* man(1), whatis(1), apropos(1) */
-
- if (search.argmode != ARG_FILE) {
- if (search.argmode == ARG_NAME &&
- outmode == OUTMODE_ONE)
- search.firstmatch = 1;
-
- /* Access the mandoc database. */
+ /* Read the configuration file. */
+ if (search.argmode != ARG_FILE ||
+ mandoc_msg_getmin() == MANDOCERR_STYLE)
manconf_parse(&conf, conf_file, defpaths, auxpaths);
- if ( ! mansearch(&search, &conf.manpath,
- argc, argv, &res, &sz))
- usage(search.argmode);
- if (sz == 0 && search.argmode == ARG_NAME)
- fs_search(&search, &conf.manpath,
- argc, argv, &res, &sz);
+ /* man(1): Resolve each name individually. */
- if (search.argmode == ARG_NAME) {
- for (c = 0; c < argc; c++) {
- if (strchr(argv[c], '/') == NULL)
- continue;
- if (access(argv[c], R_OK) == -1) {
- warn("%s", argv[c]);
+ if (search.argmode == ARG_NAME) {
+ if (argc < 1) {
+ 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);
+ if (resnsz == 0)
+ (void)fs_search(&search, &conf.manpath,
+ *argv, &resn, &resnsz);
+ if (resnsz == 0 && strchr(*argv, '/') == NULL) {
+ if (search.arch != NULL &&
+ arch_valid(search.arch, OSENUM) == 0)
+ warnx("Unknown architecture \"%s\".",
+ search.arch);
+ else if (search.sec != NULL)
+ warnx("No entry for %s in "
+ "section %s of the manual.",
+ *argv, search.sec);
+ else
+ warnx("No entry for %s in "
+ "the manual.", *argv);
+ mandoc_msg_setrc(MANDOCLEVEL_BADARG);
+ continue;
+ }
+ if (resnsz == 0) {
+ if (access(*argv, R_OK) == -1) {
+ mandoc_msg_setinfilename(*argv);
+ mandoc_msg(MANDOCERR_BADARG_BAD,
+ 0, 0, "%s", strerror(errno));
+ mandoc_msg_setinfilename(NULL);
continue;
}
+ resnsz = 1;
+ resn = mandoc_calloc(resnsz, sizeof(*res));
+ resn->file = mandoc_strdup(*argv);
+ resn->ipath = SIZE_MAX;
+ resn->form = FORM_SRC;
+ }
+ if (outmode != OUTMODE_ONE || resnsz == 1) {
res = mandoc_reallocarray(res,
- sz + 1, sizeof(*res));
- res[sz].file = mandoc_strdup(argv[c]);
- res[sz].names = NULL;
- res[sz].output = NULL;
- res[sz].bits = 0;
- res[sz].ipath = SIZE_MAX;
- res[sz].sec = 10;
- res[sz].form = FORM_SRC;
- sz++;
+ ressz + resnsz, sizeof(*res));
+ memcpy(res + ressz, resn,
+ sizeof(*resn) * resnsz);
+ ressz += resnsz;
+ continue;
}
- }
-
- if (sz == 0) {
- if (search.argmode != ARG_NAME)
- warnx("nothing appropriate");
- mandoc_msg_setrc(MANDOCLEVEL_BADARG);
- goto out;
- }
- /*
- * For standard man(1) and -a output mode,
- * prepare for copying filename pointers
- * into the program parameter array.
- */
+ /* Search for the best section. */
- if (outmode == OUTMODE_ONE) {
- argc = 1;
best_prio = 40;
- } else if (outmode == OUTMODE_ALL)
- argc = (int)sz;
-
- /* Iterate all matching manuals. */
-
- resp = res;
- for (i = 0; i < sz; i++) {
- if (outmode == OUTMODE_FLN)
- puts(res[i].file);
- else if (outmode == OUTMODE_LST)
- printf("%s - %s\n", res[i].names,
- res[i].output == NULL ? "" :
- res[i].output);
- else if (outmode == OUTMODE_ONE) {
- /* Search for the best section. */
- sec = res[i].file;
+ for (ib = i = 0; i < resnsz; i++) {
+ sec = resn[i].file;
sec += strcspn(sec, "123456789");
if (sec[0] == '\0')
continue; /* No section at all. */
sec++; /* Prefer without suffix. */
if (*sec != '/')
prio += 10; /* Wrong dir name. */
- if (search.sec != NULL &&
- (strlen(sec) <= ssz + 3 ||
- strcmp(sec + strlen(sec) - ssz,
- search.sec) != 0))
- prio += 20; /* Wrong file ext. */
+ if (search.sec != NULL) {
+ ep = strchr(sec, '\0');
+ if (ep - sec > 3 &&
+ strncmp(ep - 3, ".gz", 3) == 0)
+ 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;
- resp = res + i;
+ ib = i;
}
+ res = mandoc_reallocarray(res, ressz + 1,
+ sizeof(*res));
+ memcpy(res + ressz++, resn + ib, sizeof(*resn));
}
- /*
- * For man(1), -a and -i output mode, fall through
- * to the main mandoc(1) code iterating files
- * and running the parsers on each of them.
- */
+ /* apropos(1), whatis(1): Process the full search expression. */
+
+ } else if (search.argmode != ARG_FILE) {
+ if (mansearch(&search, &conf.manpath,
+ argc, argv, &res, &ressz) == 0)
+ usage(search.argmode);
- if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
+ if (ressz == 0) {
+ warnx("nothing appropriate");
+ mandoc_msg_setrc(MANDOCLEVEL_BADARG);
goto out;
- }
+ }
- /* mandoc(1) */
+ /* mandoc(1): Take command line arguments as file names. */
-#if HAVE_PLEDGE
- if (use_pager) {
- if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
- err((int)MANDOCLEVEL_SYSERR, "pledge");
} else {
- if (pledge("stdio rpath", NULL) == -1)
- err((int)MANDOCLEVEL_SYSERR, "pledge");
+ ressz = argc > 0 ? argc : 1;
+ res = mandoc_calloc(ressz, sizeof(*res));
+ for (i = 0; i < ressz; i++) {
+ if (argc > 0)
+ res[i].file = mandoc_strdup(argv[i]);
+ res[i].ipath = SIZE_MAX;
+ res[i].form = FORM_SRC;
+ }
}
-#endif
- if (search.argmode == ARG_FILE)
- moptions(&options, auxpaths);
-
- mchars_alloc();
- curp.mp = mparse_alloc(options, curp.os_e, curp.os_s);
+ switch (outmode) {
+ case OUTMODE_FLN:
+ for (i = 0; i < ressz; i++)
+ puts(res[i].file);
+ goto out;
+ case OUTMODE_LST:
+ for (i = 0; i < ressz; i++)
+ printf("%s - %s\n", res[i].names,
+ res[i].output == NULL ? "" :
+ res[i].output);
+ goto out;
+ default:
+ break;
+ }
- if (argc < 1) {
- if (use_pager) {
- tag_files = tag_init();
- tag_files->tagname = conf.output.tag;
- }
- thisarg = "<stdin>";
- mandoc_msg_setinfilename(thisarg);
- parse(&curp, STDIN_FILENO, thisarg);
- mandoc_msg_setinfilename(NULL);
+ if (search.argmode == ARG_FILE && auxpaths != NULL) {
+ if (strcmp(auxpaths, "doc") == 0)
+ options |= MPARSE_MDOC;
+ else if (strcmp(auxpaths, "an") == 0)
+ options |= MPARSE_MAN;
}
+ mchars_alloc();
+ mp = mparse_alloc(options, os_e, os_s);
+
/*
* Remember the original working directory, if possible.
* This will be needed if some names on the command line
* readable: Maybe it won't be needed after all.
*/
startdir = open(".", O_RDONLY | O_DIRECTORY);
-
- while (argc > 0) {
-
- /*
- * 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;
-
- fd = mparse_open(curp.mp, thisarg);
- if (fd != -1) {
- if (use_pager) {
- use_pager = 0;
- tag_files = tag_init();
- tag_files->tagname = conf.output.tag;
- }
-
- mandoc_msg_setinfilename(thisarg);
- if (resp == NULL || resp->form == FORM_SRC)
- parse(&curp, fd, thisarg);
- else
- passthrough(resp->file, fd,
- conf.output.synopsisonly);
- mandoc_msg_setinfilename(NULL);
-
- if (ferror(stdout)) {
- if (tag_files != NULL) {
- warn("%s", tag_files->ofn);
- tag_unlink();
- tag_files = NULL;
- } else
- warn("stdout");
- mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
- break;
- }
-
- if (argc > 1 && curp.outtype <= OUTT_UTF8) {
- if (curp.outdata == NULL)
- outdata_alloc(&curp);
- terminal_sepline(curp.outdata);
- }
- } else
- mandoc_msg(MANDOCERR_FILE, 0, 0,
- "%s: %s", thisarg, strerror(errno));
-
- if (curp.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
+ for (i = 0; i < ressz; i++) {
+ process_onefile(mp, res + i, startdir, &outst, &conf);
+ if (outst.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) {
- switch (curp.outtype) {
+ 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:
- 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, ressz);
+ if (search.argmode != ARG_FILE)
manconf_free(&conf);
- mansearch_free(res, sz);
- }
- free(curp.os_s);
-
- /*
- * When using a pager, finish writing both temporary files,
- * fork it, wait for the user to close it, and clean up.
- */
+ if (outst.tag_files != NULL) {
+ if (term_tag_close() != -1 &&
+ conf.output.outfilename == NULL &&
+ conf.output.tagfilename == NULL)
+ run_pager(&outst, conf.output.tag);
+ term_tag_unlink();
+ } else if (outst.had_output && outst.outtype != OUTT_LINT)
+ mandoc_msg_summary();
- if (tag_files != NULL) {
- fclose(stdout);
- tag_write();
- 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 ((pid = waitpid(pager_pid, &status,
- WUNTRACED)) == -1 && errno == EINTR)
- continue;
-
- if (pid == -1) {
- warn("wait");
- mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
- break;
- }
- if (!WIFSTOPPED(status))
- break;
-
- signum = WSTOPSIG(status);
- }
- tag_unlink();
- }
return (int)mandoc_msg_getrc();
}
static void
usage(enum argmode argmode)
{
-
switch (argmode) {
case ARG_FILE:
fputs("usage: mandoc [-ac] [-I os=name] "
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,
{
struct stat sb;
glob_t globinfo;
- struct manpage *page;
- char *file;
+ char *file, *cp, secnum[2];
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)
free(file);
}
- mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
- paths->paths[ipath], sec, name);
+ cp = file = mandoc_malloc(strlen(paths->paths[ipath]) * 2 +
+ 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)
- warn("%s: glob", file);
+ 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)
- goto found;
+
+ if (sec[1] != '\0' && *ressz == 0) {
+ 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 0;
+ return -1;
mandoc_asprintf(&file, "%s.%s", name, sec);
globres = stat(file, &sb);
free(file);
- return globres != -1;
+ return globres;
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 1;
- }
- *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
- page = *res + (*ressz - 1);
- page->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;
- return 1;
+ else if (file == NULL)
+ fs_append(globinfo.gl_pathv, globinfo.gl_pathc, 1,
+ ipath, sec, form, res, ressz);
+ else
+ fs_append(&file, 1, 0, ipath, sec, form, res, ressz);
+ globfree(&globinfo);
+ return 0;
}
static int
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[] =
{"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
const size_t nsec = sizeof(sections)/sizeof(sections[0]);
- size_t ipath, isec, lastsz;
+ size_t ipath, isec;
assert(cfg->argmode == ARG_NAME);
-
if (res != NULL)
*res = NULL;
- *ressz = lastsz = 0;
- while (argc) {
- for (ipath = 0; ipath < paths->sz; ipath++) {
- if (cfg->sec != NULL) {
- if (fs_lookup(paths, ipath, cfg->sec,
- cfg->arch, *argv, res, ressz) &&
- cfg->firstmatch)
- return 1;
- } else for (isec = 0; isec < nsec; isec++)
+ *ressz = 0;
+ for (ipath = 0; ipath < paths->sz; ipath++) {
+ if (cfg->sec != NULL) {
+ if (fs_lookup(paths, ipath, cfg->sec, cfg->arch,
+ name, res, ressz) != -1 && cfg->firstmatch)
+ return 0;
+ } else {
+ for (isec = 0; isec < nsec; isec++)
if (fs_lookup(paths, ipath, sections[isec],
- cfg->arch, *argv, res, ressz) &&
+ cfg->arch, name, res, ressz) != -1 &&
cfg->firstmatch)
- return 1;
+ return 0;
}
- if (res != NULL && *ressz == lastsz &&
- strchr(*argv, '/') == NULL) {
- if (cfg->arch != NULL &&
- arch_valid(cfg->arch, OSENUM) == 0)
- warnx("Unknown architecture \"%s\".",
- cfg->arch);
- else if (cfg->sec == NULL)
- warnx("No entry for %s in the manual.",
- *argv);
- else
- warnx("No entry for %s in section %s "
- "of the manual.", *argv, cfg->sec);
- }
- lastsz = *ressz;
- argv++;
- argc--;
}
- return 0;
+ return -1;
}
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);
+
+ 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 = 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);
+ terminal_sepline(outst->outdata);
+ }
+
+ if (resp->form == FORM_SRC)
+ parse(mp, fd, resp->file, outst, conf);
+ 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));
+ term_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 manconf *conf)
+{
+ static struct manpaths basepaths;
+ static int previous;
+ struct roff_meta *meta;
- assert(file);
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);
* 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)
- outdata_alloc(curp);
- else if (curp->outtype == OUTT_HTML)
- html_reset(curp);
+ if (outst->outdata == NULL)
+ outdata_alloc(outst, &conf->output);
+ else if (outst->outtype == OUTT_HTML)
+ html_reset(outst->outdata);
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;
+ case OUTT_MARKDOWN:
+ mandoc_msg(MANDOCERR_MAN_TMARKDOWN, 0, 0, NULL);
break;
default:
break;
}
}
- if (mandoc_msg_getmin() < MANDOCERR_STYLE)
- check_xr();
+ if (conf->output.tag != NULL && conf->output.tag_found == 0 &&
+ 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;
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, 1, &xr->name, NULL, &sz))
+ if (fs_search(&search, paths, xr->name, NULL, &sz) != -1)
continue;
if (xr->count == 1)
mandoc_msg(MANDOCERR_XR_BAD, xr->line,
}
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;
}
static void
-passthrough(const char *file, int fd, int synopsis_only)
+passthrough(int fd, int synopsis_only)
{
const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
const char synr[] = "SYNOPSIS";
FILE *stream;
- const char *syscall;
char *line, *cp;
size_t linesz;
ssize_t len, written;
- int print;
+ int lno, print;
+ stream = NULL;
line = NULL;
linesz = 0;
if (fflush(stdout) == EOF) {
- syscall = "fflush";
- goto fail;
+ mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));
+ goto done;
}
-
if ((stream = fdopen(fd, "r")) == NULL) {
close(fd);
- syscall = "fdopen";
- goto fail;
+ mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));
+ goto done;
}
- print = 0;
+ lno = print = 0;
while ((len = getline(&line, &linesz, stream)) != -1) {
+ lno++;
cp = line;
if (synopsis_only) {
if (print) {
}
}
for (; len > 0; len -= written) {
- if ((written = write(STDOUT_FILENO, cp, len)) != -1)
- continue;
- fclose(stream);
- syscall = "write";
- goto fail;
+ if ((written = write(STDOUT_FILENO, cp, len)) == -1) {
+ mandoc_msg(MANDOCERR_WRITE, 0, 0,
+ "%s", strerror(errno));
+ goto done;
+ }
}
}
-
- if (ferror(stream)) {
- fclose(stream);
- syscall = "getline";
- goto fail;
- }
+ if (ferror(stream))
+ mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));
done:
free(line);
- fclose(stream);
- return;
-
-fail:
- free(line);
- warn("%s: SYSERR: %s", file, syscall);
- mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
-}
-
-static int
-koptions(int *options, char *arg)
-{
-
- if ( ! strcmp(arg, "utf-8")) {
- *options |= MPARSE_UTF8;
- *options &= ~MPARSE_LATIN1;
- } else if ( ! strcmp(arg, "iso-8859-1")) {
- *options |= MPARSE_LATIN1;
- *options &= ~MPARSE_UTF8;
- } else if ( ! strcmp(arg, "us-ascii")) {
- *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
- } else {
- warnx("-K %s: Bad argument", arg);
- return 0;
- }
- return 1;
-}
-
-static void
-moptions(int *options, char *arg)
-{
-
- if (arg == NULL)
- return;
- if (strcmp(arg, "doc") == 0)
- *options |= MPARSE_MDOC;
- else if (strcmp(arg, "an") == 0)
- *options |= MPARSE_MAN;
-}
-
-static int
-toptions(struct curparse *curp, char *arg)
-{
-
- if (0 == strcmp(arg, "ascii"))
- curp->outtype = OUTT_ASCII;
- else if (0 == strcmp(arg, "lint")) {
- curp->outtype = OUTT_LINT;
- mandoc_msg_setoutfile(stdout);
- mandoc_msg_setmin(MANDOCERR_BASE);
- } else if (0 == strcmp(arg, "tree"))
- curp->outtype = OUTT_TREE;
- else if (0 == strcmp(arg, "man"))
- curp->outtype = OUTT_MAN;
- else if (0 == strcmp(arg, "html"))
- curp->outtype = OUTT_HTML;
- else if (0 == strcmp(arg, "markdown"))
- curp->outtype = OUTT_MARKDOWN;
- else if (0 == strcmp(arg, "utf8"))
- curp->outtype = OUTT_UTF8;
- else if (0 == strcmp(arg, "locale"))
- curp->outtype = OUTT_LOCALE;
- else if (0 == strcmp(arg, "ps"))
- curp->outtype = OUTT_PS;
- else if (0 == strcmp(arg, "pdf"))
- curp->outtype = OUTT_PDF;
- else {
- warnx("-T %s: Bad argument", arg);
- return 0;
- }
-
- return 1;
+ if (stream != NULL)
+ fclose(stream);
}
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];
o = arg;
switch (getsubopt(&arg, (char * const *)toks, &v)) {
case 0:
- curp->wstop = 1;
+ *wstop = 1;
break;
case 1:
case 2:
mandoc_msg_setmin(MANDOCERR_UNSUPP);
break;
case 7:
- mandoc_msg_setmin(MANDOCERR_MAX);
+ mandoc_msg_setmin(MANDOCERR_BADARG);
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:
- warnx("-W %s: Bad argument", o);
- return 0;
+ mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);
+ return -1;
}
}
- return 1;
+ 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 outstate *outst, char *tag_target)
+{
+ int signum, status;
+ pid_t man_pgid, tc_pgid;
+ pid_t pager_pid, wait_pid;
+
+ man_pgid = getpgid(0);
+ outst->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(STDOUT_FILENO);
+ if (tc_pgid != man_pgid) {
+ if (tc_pgid == pager_pid) {
+ (void)tcsetpgrp(STDOUT_FILENO, man_pgid);
+ if (signum == SIGTTIN)
+ continue;
+ } else
+ outst->tag_files->tcpgid = tc_pgid;
+ kill(0, signum);
+ continue;
+ }
+
+ /* Once in the foreground, activate the pager. */
+
+ if (pager_pid) {
+ (void)tcsetpgrp(STDOUT_FILENO, pager_pid);
+ kill(pager_pid, SIGCONT);
+ } else
+ pager_pid = spawn_pager(outst, tag_target);
+
+ /* 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)
+spawn_pager(struct outstate *outst, char *tag_target)
{
const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
#define MAX_PAGER_ARGS 16
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);
/*
use_ofn = 1;
#if HAVE_LESS_T
- if ((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;
- if (tag_files->tagname != NULL) {
+ argv[argc++] = outst->tag_files->tfn;
+ if (tag_target != NULL) {
argv[argc++] = mandoc_strdup("-t");
- argv[argc++] = tag_files->tagname;
+ argv[argc++] = tag_target;
use_ofn = 0;
}
}
}
#endif
- if (use_ofn)
- argv[argc++] = tag_files->ofn;
+ if (use_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;
switch (pager_pid = fork()) {
case -1:
- err((int)MANDOCLEVEL_SYSERR, "fork");
+ mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));
+ exit(mandoc_msg_getrc());
case 0:
break;
default:
(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)
- err((int)MANDOCLEVEL_SYSERR, "pledge");
+ if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {
+ mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
+ "%s", strerror(errno));
+ 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. */
-
- if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
- err((int)MANDOCLEVEL_SYSERR, "pager stdout");
- close(tag_files->ofd);
- assert(tag_files->tfd == -1);
-
- /* Do not start the pager before controlling the terminal. */
+ /*
+ * The child process becomes the pager.
+ * Do not start it before controlling the terminal.
+ */
while (tcgetpgrp(STDOUT_FILENO) != getpid())
nanosleep(&timeout, NULL);
execvp(argv[0], argv);
- err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
+ mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));
+ _exit(mandoc_msg_getrc());
}
git.ckatri.com / mandoc.git / blobdiff