1 files changed, 0 insertions, 220 deletions

diff --git a/libblkid/pager.c b/libblkid/pager.c
deleted file mode 100644
index 5cf8c03b5..000000000
--- a/libblkid/pager.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- * Based on linux-perf/git scm
- *
- * Some modifications and simplifications for util-linux
- * by Davidlohr Bueso <dave@xxxxxxx> - March 2012.
- */
-
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <err.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-
-#include "c.h"
-#include "xalloc.h"
-#include "nls.h"
-
-#define NULL_DEVICE	"/dev/null"
-
-void setup_pager(void);
-
-static const char *pager_argv[] = { "sh", "-c", NULL, NULL };
-
-struct child_process {
-	const char **argv;
-	pid_t pid;
-	int in;
-	int out;
-	int err;
-	unsigned no_stdin:1;
-	void (*preexec_cb)(void);
-};
-static struct child_process pager_process;
-
-static inline void close_pair(int fd[2])
-{
-	close(fd[0]);
-	close(fd[1]);
-}
-
-static inline void dup_devnull(int to)
-{
-	int fd = open(NULL_DEVICE, O_RDWR);
-
-	if (fd < 0)
-		err(EXIT_FAILURE, _("cannot open %s"), NULL_DEVICE);
-	dup2(fd, to);
-	close(fd);
-}
-
-static int start_command(struct child_process *cmd)
-{
-	int need_in;
-	int fdin[2];
-
-	/*
-	 * In case of errors we must keep the promise to close FDs
-	 * that have been passed in via ->in and ->out.
-	 */
-	need_in = !cmd->no_stdin && cmd->in < 0;
-	if (need_in) {
-		if (pipe(fdin) < 0) {
-			if (cmd->out > 0)
-				close(cmd->out);
-			return -1;
-		}
-		cmd->in = fdin[1];
-	}
-
-	fflush(NULL);
-	cmd->pid = fork();
-	if (!cmd->pid) {
-		if (need_in) {
-			dup2(fdin[0], 0);
-			close_pair(fdin);
-		} else if (cmd->in > 0) {
-			dup2(cmd->in, 0);
-			close(cmd->in);
-		}
-
-		cmd->preexec_cb();
-		execvp(cmd->argv[0], (char *const*) cmd->argv);
-		exit(127); /* cmd not found */
-	}
-
-	if (cmd->pid < 0) {
-		if (need_in)
-			close_pair(fdin);
-		else if (cmd->in)
-			close(cmd->in);
-		return -1;
-	}
-
-	if (need_in)
-		close(fdin[0]);
-	else if (cmd->in)
-		close(cmd->in);
-	return 0;
-}
-
-static int wait_or_whine(pid_t pid)
-{
-	for (;;) {
-		int status, code;
-		pid_t waiting = waitpid(pid, &status, 0);
-
-		if (waiting < 0) {
-			if (errno == EINTR)
-				continue;
-			err(EXIT_FAILURE, _("waitpid failed (%s)"), strerror(errno));
-		}
-		if (waiting != pid)
-			return -1;
-		if (WIFSIGNALED(status))
-			return -1;
-
-		if (!WIFEXITED(status))
-			return -1;
-		code = WEXITSTATUS(status);
-		switch (code) {
-		case 127:
-			return -1;
-		case 0:
-			return 0;
-		default:
-			return -1;
-		}
-	}
-}
-
-static int finish_command(struct child_process *cmd)
-{
-	return wait_or_whine(cmd->pid);
-}
-
-static void pager_preexec(void)
-{
-	/*
-	 * Work around bug in "less" by not starting it until we
-	 * have real input
-	 */
-	fd_set in;
-
-	FD_ZERO(&in);
-	FD_SET(0, &in);
-	select(1, &in, NULL, &in, NULL);
-
-	setenv("LESS", "FRSX", 0);
-}
-
-static void wait_for_pager(void)
-{
-	fflush(stdout);
-	fflush(stderr);
-	/* signal EOF to pager */
-	close(1);
-	close(2);
-	finish_command(&pager_process);
-}
-
-static void wait_for_pager_signal(int signo)
-{
-	wait_for_pager();
-	raise(signo);
-}
-
-void setup_pager(void)
-{
-	const char *pager = getenv("PAGER");
-
-	if (!isatty(1))
-		return;
-
-	if (!pager)
-		pager = "less";
-	else if (!*pager || !strcmp(pager, "cat"))
-		return;
-
-	/* spawn the pager */
-	pager_argv[2] = pager;
-	pager_process.argv = pager_argv;
-	pager_process.in = -1;
-	pager_process.preexec_cb = pager_preexec;
-
-	if (start_command(&pager_process))
-		return;
-
-	/* original process continues, but writes to the pipe */
-	dup2(pager_process.in, 1);
-	if (isatty(2))
-		dup2(pager_process.in, 2);
-	close(pager_process.in);
-
-	/* this makes sure that the parent terminates after the pager */
-	signal(SIGINT, wait_for_pager_signal);
-	signal(SIGHUP, wait_for_pager_signal);
-	signal(SIGTERM, wait_for_pager_signal);
-	signal(SIGQUIT, wait_for_pager_signal);
-	signal(SIGPIPE, wait_for_pager_signal);
-
-	atexit(wait_for_pager);
-}
-
-#ifdef TEST_PROGRAM
-
-#define MAX 255
-
-int main(int argc __attribute__ ((__unused__)),
-	 char *argv[] __attribute__ ((__unused__)))
-{
-	int i;
-
-	setup_pager();
-	for (i = 0; i < MAX; i++)
-		printf("%d\n", i);
-	return EXIT_SUCCESS;
-}
-#endif /* TEST_PROGRAM */