script: make -t independent of scriptreplay

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 15 insertions, 7 deletions

diff --git a/util-linux/script.c b/util-linux/script.c
index 9eebb51a4..6e8094312 100644
--- a/util-linux/script.c
+++ b/util-linux/script.c
@@ -21,15 +21,23 @@
 //kbuild:lib-$(CONFIG_SCRIPT) += script.o
 
 //usage:#define script_trivial_usage
-//usage:       "[-afq" IF_SCRIPTREPLAY("t") "] [-c PROG] [OUTFILE]"
+//usage:       "[-afqt] [-c PROG] [OUTFILE]"
 //usage:#define script_full_usage "\n\n"
 //usage:       "        -a      Append output"
 //usage:     "\n        -c PROG Run PROG, not shell"
 //usage:     "\n        -f      Flush output after each write"
 //usage:     "\n        -q      Quiet"
-//usage:        IF_SCRIPTREPLAY(
 //usage:     "\n        -t      Send timing to stderr"
-//usage:        )
+
+//util-linux-2.28:
+//-t[FILE]
+//-e: return exit code of the child
+
+//FYI (reported as bbox bug #2749):
+// > script -q -c 'echo -e -n "1\n2\n3\n"' /dev/null </dev/null >123.txt
+// > The output file on full-blown ubuntu system contains 6 bytes.
+// > Output on Busybox system (arm-linux) contains extra '\r' byte in each line.
+//however, in my test, "script" from util-linux-2.28 seems to also add '\r' bytes.
 
 #include "libbb.h"
 #include "common_bufsiz.h"
@@ -64,14 +72,14 @@ int script_main(int argc UNUSED_PARAM, char **argv)
                 "command\0" Required_argument "c"
                 "flush\0"   No_argument       "f"
                 "quiet\0"   No_argument       "q"
-                IF_SCRIPTREPLAY("timing\0" No_argument "t")
+                "timing\0"  No_argument       "t"
                 ;
 
         applet_long_options = getopt_longopts;
 #endif
 
         opt_complementary = "?1"; /* max one arg */
-        opt = getopt32(argv, "ac:fq" IF_SCRIPTREPLAY("t") , &shell_arg);
+        opt = getopt32(argv, "ac:fqt", &shell_arg);
         //argc -= optind;
         argv += optind;
         if (argv[0]) {
@@ -120,7 +128,7 @@ int script_main(int argc UNUSED_PARAM, char **argv)
                 /* parent */
                 struct pollfd pfd[2];
                 int outfd, count, loop;
-                double oldtime = ENABLE_SCRIPTREPLAY ? time(NULL) : 0;
+                double oldtime = time(NULL);
                 smallint fd_count = 2;
 #define buf bb_common_bufsiz1
                 setup_common_bufsiz();
@@ -151,7 +159,7 @@ int script_main(int argc UNUSED_PARAM, char **argv)
                                         goto restore;
                                 }
                                 if (count > 0) {
-                                        if (ENABLE_SCRIPTREPLAY && (opt & OPT_t)) {
+                                        if (opt & OPT_t) {
                                                 struct timeval tv;
                                                 double newtime;