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-rw-r--r--main.c54
1 files changed, 29 insertions, 25 deletions
diff --git a/main.c b/main.c
index 8084663f..6a634070 100644
--- a/main.c
+++ b/main.c
@@ -54,6 +54,7 @@
#include "mdoc.h"
#include "man.h"
#include "mandoc_parse.h"
+#include "tag.h"
#include "term_tag.h"
#include "main.h"
#include "manconf.h"
@@ -107,8 +108,8 @@ static void parse(struct mparse *, int, const char *,
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 run_pager(struct tag_files *, char *);
+static pid_t spawn_pager(struct tag_files *, char *);
static void usage(enum argmode) __attribute__((__noreturn__));
static int woptions(char *, enum mandoc_os *, int *);
@@ -609,7 +610,10 @@ main(int argc, char *argv[])
(void)fchdir(startdir);
close(startdir);
}
- term_tag_finish();
+ 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:
@@ -638,8 +642,8 @@ out:
manconf_free(&conf);
if (outst.tag_files != NULL) {
- fclose(stdout);
- run_pager(outst.tag_files);
+ if (term_tag_close() != -1)
+ run_pager(outst.tag_files, conf.output.tag);
term_tag_unlink();
} else if (outst.had_output && outst.outtype != OUTT_LINT)
mandoc_msg_summary();
@@ -833,7 +837,7 @@ process_onefile(struct mparse *mp, struct manpage *resp, int startdir,
if (outst->use_pager) {
outst->use_pager = 0;
- outst->tag_files = term_tag_init(conf->output.tag);
+ outst->tag_files = term_tag_init();
}
if (outst->had_output && outst->outtype <= OUTT_UTF8) {
if (outst->outdata == NULL)
@@ -947,6 +951,9 @@ parse(struct mparse *mp, int fd, const char *file,
break;
}
}
+ if (outconf->tag != NULL && outconf->tag_found == 0 &&
+ tag_exists(outconf->tag))
+ outconf->tag_found = 1;
if (mandoc_msg_getmin() < MANDOCERR_STYLE)
check_xr();
}
@@ -1137,7 +1144,7 @@ woptions(char *arg, enum mandoc_os *os_e, int *wstop)
* then fork the pager and wait for the user to close it.
*/
static void
-run_pager(struct tag_files *tag_files)
+run_pager(struct tag_files *tag_files, char *tag_target)
{
int signum, status;
pid_t man_pgid, tc_pgid;
@@ -1152,10 +1159,10 @@ run_pager(struct tag_files *tag_files)
for (;;) {
/* Stop here until moved to the foreground. */
- tc_pgid = tcgetpgrp(tag_files->ofd);
+ tc_pgid = tcgetpgrp(STDOUT_FILENO);
if (tc_pgid != man_pgid) {
if (tc_pgid == pager_pid) {
- (void)tcsetpgrp(tag_files->ofd, man_pgid);
+ (void)tcsetpgrp(STDOUT_FILENO, man_pgid);
if (signum == SIGTTIN)
continue;
} else
@@ -1167,10 +1174,10 @@ run_pager(struct tag_files *tag_files)
/* Once in the foreground, activate the pager. */
if (pager_pid) {
- (void)tcsetpgrp(tag_files->ofd, pager_pid);
+ (void)tcsetpgrp(STDOUT_FILENO, pager_pid);
kill(pager_pid, SIGCONT);
} else
- pager_pid = spawn_pager(tag_files);
+ pager_pid = spawn_pager(tag_files, tag_target);
/* Wait for the pager to stop or exit. */
@@ -1191,7 +1198,7 @@ run_pager(struct tag_files *tag_files)
}
static pid_t
-spawn_pager(struct tag_files *tag_files)
+spawn_pager(struct tag_files *tag_files, char *tag_target)
{
const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
#define MAX_PAGER_ARGS 16
@@ -1204,6 +1211,9 @@ spawn_pager(struct tag_files *tag_files)
int argc, use_ofn;
pid_t pager_pid;
+ assert(tag_files->ofd == -1);
+ assert(tag_files->tfs == NULL);
+
pager = getenv("MANPAGER");
if (pager == NULL || *pager == '\0')
pager = getenv("PAGER");
@@ -1238,9 +1248,9 @@ spawn_pager(struct tag_files *tag_files)
if (strcmp(cp, "less") == 0) {
argv[argc++] = mandoc_strdup("-T");
argv[argc++] = tag_files->tfn;
- if (tag_files->tagname != NULL) {
+ if (tag_target != NULL) {
argv[argc++] = mandoc_strdup("-t");
- argv[argc++] = tag_files->tagname;
+ argv[argc++] = tag_target;
use_ofn = 0;
}
}
@@ -1258,7 +1268,7 @@ spawn_pager(struct tag_files *tag_files)
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) {
mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
@@ -1270,16 +1280,10 @@ spawn_pager(struct tag_files *tag_files)
return pager_pid;
}
- /* The child process becomes the pager. */
-
- if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) {
- mandoc_msg(MANDOCERR_DUP, 0, 0, "%s", strerror(errno));
- _exit(mandoc_msg_getrc());
- }
- close(tag_files->ofd);
- assert(tag_files->tfs == NULL);
-
- /* 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);