version 1.256, 2015/11/07 14:22:29 |
version 1.260, 2015/12/15 17:38:45 |
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#if HAVE_ERR |
#if HAVE_ERR |
#include <err.h> |
#include <err.h> |
#endif |
#endif |
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#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <glob.h> |
#include <glob.h> |
#include <signal.h> |
#include <signal.h> |
Line 131 main(int argc, char *argv[]) |
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Line 132 main(int argc, char *argv[]) |
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int show_usage; |
int show_usage; |
int options; |
int options; |
int use_pager; |
int use_pager; |
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int status, signum; |
int c; |
int c; |
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pid_t pager_pid, tc_pgid, man_pgid, pid; |
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#if HAVE_PROGNAME |
#if HAVE_PROGNAME |
progname = getprogname(); |
progname = getprogname(); |
Line 152 main(int argc, char *argv[]) |
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Line 155 main(int argc, char *argv[]) |
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#endif |
#endif |
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#if HAVE_PLEDGE |
#if HAVE_PLEDGE |
if (pledge("stdio rpath tmppath proc exec flock", NULL) == -1) |
if (pledge("stdio rpath tmppath tty proc exec flock", NULL) == -1) |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
#endif |
#endif |
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Line 296 main(int argc, char *argv[]) |
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Line 299 main(int argc, char *argv[]) |
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use_pager = 0; |
use_pager = 0; |
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#if HAVE_PLEDGE |
#if HAVE_PLEDGE |
if (!use_pager && pledge("stdio rpath flock", NULL) == -1) |
if (!use_pager) |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
if (pledge("stdio rpath flock", NULL) == -1) |
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err((int)MANDOCLEVEL_SYSERR, "pledge"); |
#endif |
#endif |
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/* Parse arguments. */ |
/* Parse arguments. */ |
Line 427 main(int argc, char *argv[]) |
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Line 431 main(int argc, char *argv[]) |
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/* mandoc(1) */ |
/* mandoc(1) */ |
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#if HAVE_PLEDGE |
#if HAVE_PLEDGE |
if (pledge(use_pager ? "stdio rpath tmppath proc exec" : |
if (use_pager) { |
"stdio rpath", NULL) == -1) |
if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
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} else { |
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if (pledge("stdio rpath", NULL) == -1) |
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err((int)MANDOCLEVEL_SYSERR, "pledge"); |
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} |
#endif |
#endif |
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if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths)) |
if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths)) |
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if (tag_files != NULL) { |
if (tag_files != NULL) { |
fclose(stdout); |
fclose(stdout); |
tag_write(); |
tag_write(); |
waitpid(spawn_pager(tag_files), NULL, 0); |
man_pgid = getpgid(0); |
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tag_files->tcpgid = man_pgid == getpid() ? |
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getpgid(getppid()) : man_pgid; |
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pager_pid = 0; |
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signum = SIGSTOP; |
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for (;;) { |
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/* Stop here until moved to the foreground. */ |
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tc_pgid = tcgetpgrp(STDIN_FILENO); |
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if (tc_pgid != man_pgid) { |
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if (tc_pgid == pager_pid) { |
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(void)tcsetpgrp(STDIN_FILENO, |
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man_pgid); |
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if (signum == SIGTTIN) |
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continue; |
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} else |
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tag_files->tcpgid = tc_pgid; |
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kill(0, signum); |
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continue; |
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} |
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/* Once in the foreground, activate the pager. */ |
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if (pager_pid) { |
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(void)tcsetpgrp(STDIN_FILENO, pager_pid); |
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kill(pager_pid, SIGCONT); |
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} else |
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pager_pid = spawn_pager(tag_files); |
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/* Wait for the pager to stop or exit. */ |
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while ((pid = waitpid(pager_pid, &status, |
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WUNTRACED)) == -1 && errno == EINTR) |
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continue; |
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if (pid == -1) { |
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warn("wait"); |
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rc = MANDOCLEVEL_SYSERR; |
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break; |
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} |
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if (!WIFSTOPPED(status)) |
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break; |
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signum = WSTOPSIG(status); |
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} |
tag_unlink(); |
tag_unlink(); |
} |
} |
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Line 774 passthrough(const char *file, int fd, int synopsis_onl |
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Line 827 passthrough(const char *file, int fd, int synopsis_onl |
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FILE *stream; |
FILE *stream; |
const char *syscall; |
const char *syscall; |
char *line; |
char *line, *cp; |
size_t len, off; |
size_t linesz; |
ssize_t nw; |
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int print; |
int print; |
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fflush(stdout); |
line = NULL; |
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linesz = 0; |
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if ((stream = fdopen(fd, "r")) == NULL) { |
if ((stream = fdopen(fd, "r")) == NULL) { |
close(fd); |
close(fd); |
Line 788 passthrough(const char *file, int fd, int synopsis_onl |
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Line 841 passthrough(const char *file, int fd, int synopsis_onl |
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} |
} |
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print = 0; |
print = 0; |
while ((line = fgetln(stream, &len)) != NULL) { |
while (getline(&line, &linesz, stream) != -1) { |
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cp = line; |
if (synopsis_only) { |
if (synopsis_only) { |
if (print) { |
if (print) { |
if ( ! isspace((unsigned char)*line)) |
if ( ! isspace((unsigned char)*cp)) |
goto done; |
goto done; |
while (len && |
while (isspace((unsigned char)*cp)) |
isspace((unsigned char)*line)) { |
cp++; |
line++; |
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len--; |
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} |
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} else { |
} else { |
if ((len == sizeof(synb) && |
if (strcmp(cp, synb) == 0 || |
! strncmp(line, synb, len - 1)) || |
strcmp(cp, synr) == 0) |
(len == sizeof(synr) && |
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! strncmp(line, synr, len - 1))) |
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print = 1; |
print = 1; |
continue; |
continue; |
} |
} |
} |
} |
for (off = 0; off < len; off += nw) |
if (fputs(cp, stdout)) { |
if ((nw = write(STDOUT_FILENO, line + off, |
fclose(stream); |
len - off)) == -1 || nw == 0) { |
syscall = "fputs"; |
fclose(stream); |
goto fail; |
syscall = "write"; |
} |
goto fail; |
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} |
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} |
} |
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if (ferror(stream)) { |
if (ferror(stream)) { |
fclose(stream); |
fclose(stream); |
syscall = "fgetln"; |
syscall = "getline"; |
goto fail; |
goto fail; |
} |
} |
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done: |
done: |
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free(line); |
fclose(stream); |
fclose(stream); |
return; |
return; |
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fail: |
fail: |
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free(line); |
warn("%s: SYSERR: %s", file, syscall); |
warn("%s: SYSERR: %s", file, syscall); |
if (rc < MANDOCLEVEL_SYSERR) |
if (rc < MANDOCLEVEL_SYSERR) |
rc = MANDOCLEVEL_SYSERR; |
rc = MANDOCLEVEL_SYSERR; |
Line 1020 spawn_pager(struct tag_files *tag_files) |
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Line 1069 spawn_pager(struct tag_files *tag_files) |
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case -1: |
case -1: |
err((int)MANDOCLEVEL_SYSERR, "fork"); |
err((int)MANDOCLEVEL_SYSERR, "fork"); |
case 0: |
case 0: |
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/* Set pgrp in both parent and child to avoid racing exec. */ |
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(void)setpgid(0, 0); |
break; |
break; |
default: |
default: |
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(void)setpgid(pager_pid, 0); |
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(void)tcsetpgrp(STDIN_FILENO, pager_pid); |
#if HAVE_PLEDGE |
#if HAVE_PLEDGE |
if (pledge("stdio rpath tmppath", NULL) == -1) |
if (pledge("stdio rpath tmppath tty proc", NULL) == -1) |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
#endif |
#endif |
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tag_files->pager_pid = pager_pid; |
return pager_pid; |
return pager_pid; |
} |
} |
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