mandoc/main.c - diff

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Diff for /mandoc/main.c between version 1.222 and 1.225

version 1.222, 2015/02/27 16:02:10

version 1.225, 2015/03/10 13:50:03

Line 20

#include <sys/types.h>

#include <sys/param.h> /* MACHINE */

#include <sys/wait.h>

#include <assert.h>

#include <ctype.h>

Line 101 static void mmsg(enum mandocerr, enum mandoclevel,

Line 102 static void mmsg(enum mandocerr, enum mandoclevel,

static void parse(struct curparse *, int,

const char *, enum mandoclevel *);

static enum mandoclevel passthrough(const char *, int, int);

static void spawn_pager(void);

static pid_t spawn_pager(void);

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

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

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

Line 130 main(int argc, char *argv[])

Line 131 main(int argc, char *argv[])

enum outmode outmode;

int fd;

int show_usage;

int use_pager;

int options;

int c;

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

if (argc < 1)

progname = "mandoc";

Line 174 main(int argc, char *argv[])

Line 175 main(int argc, char *argv[])

options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;

defos = NULL;

use_pager = 1;

pager_pid = 1;

show_usage = 0;

synopsis_only = 0;

outmode = OUTMODE_DEF;

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

Line 190 main(int argc, char *argv[])

conf_file = optarg;

break;

case 'c':

use_pager = 0;

pager_pid = 0;

break;

case 'f':

search.argmode = ARG_WORD;

Line 197 main(int argc, char *argv[])

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

case 'h':

(void)strlcat(curp.outopts, "synopsis,", BUFSIZ);

synopsis_only = 1;

use_pager = 0;

pager_pid = 0;

outmode = OUTMODE_ALL;

break;

case 'I':

Line 272 main(int argc, char *argv[])

Line 273 main(int argc, char *argv[])

switch (search.argmode) {

case ARG_FILE:

outmode = OUTMODE_ALL;

use_pager = 0;

pager_pid = 0;

break;

case ARG_NAME:

outmode = OUTMODE_ONE;

Line 303 main(int argc, char *argv[])

Line 304 main(int argc, char *argv[])

argc = 1;

}

} else if (argc > 1 &&

((uc = argv[0]) != NULL) &&

((uc = (unsigned char *)argv[0]) != NULL) &&

((isdigit(uc[0]) && (uc[1] == '\0' ||

(isalpha(uc[1]) && uc[2] == '\0'))) ||

(uc[0] == 'n' && uc[1] == '\0'))) {

search.sec = uc;

search.sec = (char *)uc;

argv++;

argc--;

}

if (search.arch == NULL)

search.arch = getenv("MACHINE");

#ifdef MACHINE

if (search.arch == NULL)

search.arch = MACHINE;

#endif

}

rc = MANDOCLEVEL_OK;

Line 415 main(int argc, char *argv[])

Line 418 main(int argc, char *argv[])

mparse_keep(curp.mp);

if (argc < 1) {

if (use_pager && isatty(STDOUT_FILENO))

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

spawn_pager();

pager_pid = spawn_pager();

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

}

Line 427 main(int argc, char *argv[])

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

rc = rctmp;

if (fd != -1) {

if (use_pager && isatty(STDOUT_FILENO))

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

spawn_pager();

pager_pid = spawn_pager();

use_pager = 0;

if (resp == NULL)

parse(&curp, fd, *argv, &rc);

Line 479 out:

Line 481 out:

free(defos);

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

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

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

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

fclose(stdout);

waitpid(pager_pid, NULL, 0);

}

return((int)rc);

}

Line 927 mmsg(enum mandocerr t, enum mandoclevel lvl,

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

fputc('\n', stderr);

}

static void

static pid_t

spawn_pager(void)

{

#define MAX_PAGER_ARGS 16

Line 936 spawn_pager(void)

Line 949 spawn_pager(void)

char *cp;

int fildes[2];

int argc;

pid_t pager_pid;

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

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

progname, strerror(errno));

return;

return(0);

}

switch (fork()) {

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);

}

return;

close(fildes[1]);

default:

return(pager_pid);

break;

}

/* The original process becomes the pager. */

/* The child process becomes the pager. */

close(fildes[1]);

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

Line 968 spawn_pager(void)

Line 983 spawn_pager(void)

progname, strerror(errno));

exit((int)MANDOCLEVEL_SYSERR);

}

close(fildes[0]);

pager = getenv("MANPAGER");

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

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