[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/miscutils/bbconfig.c b/ap/app/busybox/src/miscutils/bbconfig.c
new file mode 100644
index 0000000..e5f4eb3
--- /dev/null
+++ b/ap/app/busybox/src/miscutils/bbconfig.c
@@ -0,0 +1,40 @@
+/* vi: set sw=4 ts=4: */
+/* This file was released into the public domain by Paul Fox.
+ */
+
+//usage:#define bbconfig_trivial_usage
+//usage:       ""
+//usage:#define bbconfig_full_usage "\n\n"
+//usage:       "Print the config file used by busybox build"
+
+#include "libbb.h"
+#include "bbconfigopts.h"
+#if ENABLE_FEATURE_COMPRESS_BBCONFIG
+# include "bb_archive.h"
+# include "bbconfigopts_bz2.h"
+#endif
+
+int bbconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int bbconfig_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
+{
+#if ENABLE_FEATURE_COMPRESS_BBCONFIG
+	bunzip_data *bd;
+	int i = start_bunzip(&bd,
+			/* src_fd: */ -1,
+			/* inbuf:  */ bbconfig_config_bz2,
+			/* len:    */ sizeof(bbconfig_config_bz2));
+	/* read_bunzip can longjmp to start_bunzip, and ultimately
+	 * end up here with i != 0 on read data errors! Not trivial */
+	if (!i) {
+		/* Cannot use xmalloc: will leak bd in NOFORK case! */
+		char *outbuf = malloc_or_warn(sizeof(bbconfig_config));
+		if (outbuf) {
+			read_bunzip(bd, outbuf, sizeof(bbconfig_config));
+			full_write1_str(outbuf);
+		}
+	}
+#else
+	full_write1_str(bbconfig_config);
+#endif
+	return 0;
+}