[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/util-linux/scriptreplay.c b/ap/app/busybox/src/util-linux/scriptreplay.c
new file mode 100644
index 0000000..382f56d
--- /dev/null
+++ b/ap/app/busybox/src/util-linux/scriptreplay.c
@@ -0,0 +1,47 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * scriptreplay - play back typescripts, using timing information
+ *
+ * pascal.bellard@ads-lu.com
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ *
+ */
+
+//usage:#define scriptreplay_trivial_usage
+//usage:       "timingfile [typescript [divisor]]"
+//usage:#define scriptreplay_full_usage "\n\n"
+//usage:       "Play back typescripts, using timing information"
+
+#include "libbb.h"
+
+int scriptreplay_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int scriptreplay_main(int argc UNUSED_PARAM, char **argv)
+{
+	const char *script = "typescript";
+	double delay, factor = 1000000.0;
+	int fd;
+	unsigned long count;
+	FILE *tfp;
+
+	if (!argv[1])
+		bb_show_usage();
+
+	if (argv[2]) {
+		script = argv[2];
+		if (argv[3])
+			factor /= atof(argv[3]);
+	}
+
+	tfp = xfopen_for_read(argv[1]);
+	fd = xopen(script, O_RDONLY);
+	while (fscanf(tfp, "%lf %lu\n", &delay, &count) == 2) {
+		usleep(delay * factor);
+		bb_copyfd_exact_size(fd, STDOUT_FILENO, count);
+	}
+	if (ENABLE_FEATURE_CLEAN_UP) {
+		close(fd);
+		fclose(tfp);
+	}
+	return EXIT_SUCCESS;
+}