Merge branch 'busybox' into merge

85 files changed, 90 insertions, 133 deletions

diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 71ee0dd07..89f76443c 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -11,7 +11,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 /* We are trying to not use printf, this benefits the case when selected
  * applets are really simple. Example:
  *
diff --git a/libbb/ask_confirmation.c b/libbb/ask_confirmation.c
index d95729cc9..6fbed89f4 100644
--- a/libbb/ask_confirmation.c
+++ b/libbb/ask_confirmation.c
@@ -6,12 +6,11 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+#include "libbb.h"
 
 /* Read a line from stdin.  If the first non-whitespace char is 'y' or 'Y',
  * return 1.  Otherwise return 0.
  */
-#include "libbb.h"
-
 int FAST_FUNC bb_ask_confirmation(void)
 {
         char first = 0;
diff --git a/libbb/bb_askpass.c b/libbb/bb_askpass.c
index c2580b9eb..aae35ec41 100644
--- a/libbb/bb_askpass.c
+++ b/libbb/bb_askpass.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* do nothing signal handler */
diff --git a/libbb/bb_do_delay.c b/libbb/bb_do_delay.c
index 05c879fb9..65541704b 100644
--- a/libbb/bb_do_delay.c
+++ b/libbb/bb_do_delay.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 void FAST_FUNC bb_do_delay(int seconds)
diff --git a/libbb/bb_pwd.c b/libbb/bb_pwd.c
index dca0a150b..32ff83a42 100644
--- a/libbb/bb_pwd.c
+++ b/libbb/bb_pwd.c
@@ -7,7 +7,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* TODO: maybe change API to return malloced data?
diff --git a/libbb/bb_qsort.c b/libbb/bb_qsort.c
index a54e7236a..505045533 100644
--- a/libbb/bb_qsort.c
+++ b/libbb/bb_qsort.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 int /* not FAST_FUNC! */ bb_pstrcmp(const void *a, const void *b)
diff --git a/libbb/bb_strtod.c b/libbb/bb_strtod.c
index 5dde78414..5e1d0535e 100644
--- a/libbb/bb_strtod.c
+++ b/libbb/bb_strtod.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 #include <math.h>  /* just for HUGE_VAL */
 
diff --git a/libbb/bb_strtonum.c b/libbb/bb_strtonum.c
index 949f26bee..2185017b0 100644
--- a/libbb/bb_strtonum.c
+++ b/libbb/bb_strtonum.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* On exit: errno = 0 only if there was non-empty, '\0' terminated value
diff --git a/libbb/bbunit.c b/libbb/bbunit.c
index db67b1081..5f8d980a3 100644
--- a/libbb/bbunit.c
+++ b/libbb/bbunit.c
@@ -6,9 +6,9 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+//applet:IF_UNIT_TEST(APPLET(unit, BB_DIR_USR_BIN, BB_SUID_DROP))
 
 //kbuild:lib-$(CONFIG_UNIT_TEST) += bbunit.o
-//applet:IF_UNIT_TEST(APPLET(unit, BB_DIR_USR_BIN, BB_SUID_DROP))
 
 //usage:#define unit_trivial_usage
 //usage:       ""
diff --git a/libbb/change_identity.c b/libbb/change_identity.c
index 431f72c8c..20d7c5f2d 100644
--- a/libbb/change_identity.c
+++ b/libbb/change_identity.c
@@ -27,7 +27,6 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-
 #include "libbb.h"
 
 /* Become the user and group(s) specified by PW.  */
diff --git a/libbb/chomp.c b/libbb/chomp.c
index cb92befb1..3757bff2e 100644
--- a/libbb/chomp.c
+++ b/libbb/chomp.c
@@ -7,7 +7,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 void FAST_FUNC chomp(char *s)
diff --git a/libbb/compare_string_array.c b/libbb/compare_string_array.c
index 2f51237a3..01a9df0e2 100644
--- a/libbb/compare_string_array.c
+++ b/libbb/compare_string_array.c
@@ -2,7 +2,6 @@
 /*
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /*
diff --git a/libbb/concat_path_file.c b/libbb/concat_path_file.c
index 9ed295996..5b4b7f113 100644
--- a/libbb/concat_path_file.c
+++ b/libbb/concat_path_file.c
@@ -7,6 +7,7 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+#include "libbb.h"
 
 /* Concatenate path and filename to new allocated buffer.
  * Add '/' only as needed (no duplicate // are produced).
@@ -14,8 +15,6 @@
  * filename should not be NULL.
  */
 
-#include "libbb.h"
-
 char* FAST_FUNC concat_path_file(const char *path, const char *filename)
 {
         char *lc;
diff --git a/libbb/concat_subpath_file.c b/libbb/concat_subpath_file.c
index c9167d492..bc2ee96ca 100644
--- a/libbb/concat_subpath_file.c
+++ b/libbb/concat_subpath_file.c
@@ -6,6 +6,7 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+#include "libbb.h"
 
 /*
    This function make special for recursive actions with usage
@@ -13,8 +14,6 @@
    and skipping "." and ".." directory entries
 */
 
-#include "libbb.h"
-
 char* FAST_FUNC concat_subpath_file(const char *path, const char *f)
 {
         if (f && DOT_OR_DOTDOT(f))
diff --git a/libbb/copyfd.c b/libbb/copyfd.c
index 921fe3f81..dd0517cd6 100644
--- a/libbb/copyfd.c
+++ b/libbb/copyfd.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 #if ENABLE_FEATURE_USE_SENDFILE
 # include <sys/sendfile.h>
diff --git a/libbb/correct_password.c b/libbb/correct_password.c
index 51928f68d..a6f7d9b3d 100644
--- a/libbb/correct_password.c
+++ b/libbb/correct_password.c
@@ -27,7 +27,6 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-
 #include "libbb.h"
 
 #define SHADOW_BUFSIZE 256
diff --git a/libbb/crc32.c b/libbb/crc32.c
index 0711ca84e..b00b580d0 100644
--- a/libbb/crc32.c
+++ b/libbb/crc32.c
@@ -15,7 +15,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 uint32_t *global_crc32_table;
diff --git a/libbb/default_error_retval.c b/libbb/default_error_retval.c
index 4f6395fa2..fc6a5364a 100644
--- a/libbb/default_error_retval.c
+++ b/libbb/default_error_retval.c
@@ -4,7 +4,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 /* Seems silly to copyright a global variable.  ;-)  Oh well.
  *
  * At least one applet (cmp) returns a value different from the typical
@@ -12,7 +11,6 @@
  * by the applet.  I suppose we could use a wrapper function to set it, but
  * that too seems silly.
  */
-
 #include "libbb.h"
 
 uint8_t xfunc_error_retval = EXIT_FAILURE;
diff --git a/libbb/device_open.c b/libbb/device_open.c
index a8fe2fcb4..e5639c712 100644
--- a/libbb/device_open.c
+++ b/libbb/device_open.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* try to open up the specified device */
diff --git a/libbb/die_if_bad_username.c b/libbb/die_if_bad_username.c
index cf1297bd6..46f103340 100644
--- a/libbb/die_if_bad_username.c
+++ b/libbb/die_if_bad_username.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* To avoid problems, the username should consist only of
diff --git a/libbb/dump.c b/libbb/dump.c
index e23b71294..db91fcfe7 100644
--- a/libbb/dump.c
+++ b/libbb/dump.c
@@ -10,7 +10,6 @@
  *
  * Original copyright notice is retained at the end of this file.
  */
-
 #include "libbb.h"
 #include "dump.h"
 
diff --git a/libbb/executable.c b/libbb/executable.c
index 5f0ff8c6e..b28f020e0 100644
--- a/libbb/executable.c
+++ b/libbb/executable.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* check if path points to an executable file;
diff --git a/libbb/fclose_nonstdin.c b/libbb/fclose_nonstdin.c
index 1b1441347..7d5331063 100644
--- a/libbb/fclose_nonstdin.c
+++ b/libbb/fclose_nonstdin.c
@@ -6,14 +6,12 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+#include "libbb.h"
 
 /* A number of standard utilities can accept multiple command line args
  * of '-' for stdin, according to SUSv3.  So we encapsulate the check
  * here to save a little space.
  */
-
-#include "libbb.h"
-
 int FAST_FUNC fclose_if_not_stdin(FILE *f)
 {
         /* Some more paranoid applets want ferror() check too */
diff --git a/libbb/fflush_stdout_and_exit.c b/libbb/fflush_stdout_and_exit.c
index b4bed865f..4c689c0fb 100644
--- a/libbb/fflush_stdout_and_exit.c
+++ b/libbb/fflush_stdout_and_exit.c
@@ -6,13 +6,11 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+#include "libbb.h"
 
 /* Attempt to fflush(stdout), and exit with an error code if stdout is
  * in an error state.
  */
-
-#include "libbb.h"
-
 void FAST_FUNC fflush_stdout_and_exit(int retval)
 {
         xfunc_error_retval = retval;
diff --git a/libbb/fgets_str.c b/libbb/fgets_str.c
index 89210a3c9..1a7f2e9e0 100644
--- a/libbb/fgets_str.c
+++ b/libbb/fgets_str.c
@@ -7,7 +7,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 static char *xmalloc_fgets_internal(FILE *file, const char *terminating_string, int chop_off, size_t *maxsz_p)
diff --git a/libbb/find_mount_point.c b/libbb/find_mount_point.c
index 1308d9b65..341c30102 100644
--- a/libbb/find_mount_point.c
+++ b/libbb/find_mount_point.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 #include <mntent.h>
 
diff --git a/libbb/find_pid_by_name.c b/libbb/find_pid_by_name.c
index 22afa1ce5..52debb171 100644
--- a/libbb/find_pid_by_name.c
+++ b/libbb/find_pid_by_name.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /*
diff --git a/libbb/find_root_device.c b/libbb/find_root_device.c
index 8436cd664..d560f3ec3 100644
--- a/libbb/find_root_device.c
+++ b/libbb/find_root_device.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Find block device /dev/XXX which contains specified file
diff --git a/libbb/full_write.c b/libbb/full_write.c
index 777fbd910..2b7983f4c 100644
--- a/libbb/full_write.c
+++ b/libbb/full_write.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /*
diff --git a/libbb/get_console.c b/libbb/get_console.c
index 96b339ca7..0b53524aa 100644
--- a/libbb/get_console.c
+++ b/libbb/get_console.c
@@ -7,7 +7,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* From <linux/kd.h> */
diff --git a/libbb/get_line_from_file.c b/libbb/get_line_from_file.c
index 2038fac7d..4e09ddc80 100644
--- a/libbb/get_line_from_file.c
+++ b/libbb/get_line_from_file.c
@@ -8,7 +8,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 char* FAST_FUNC bb_get_chunk_from_file(FILE *file, int *end)
diff --git a/libbb/getpty.c b/libbb/getpty.c
index 391d729f2..5d24ca930 100644
--- a/libbb/getpty.c
+++ b/libbb/getpty.c
@@ -5,7 +5,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 #define DEBUG 0
diff --git a/libbb/hash_md5_sha.c b/libbb/hash_md5_sha.c
index 2a7247430..a53a382ce 100644
--- a/libbb/hash_md5_sha.c
+++ b/libbb/hash_md5_sha.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 #define NEED_SHA512 (ENABLE_SHA512SUM || ENABLE_USE_BB_CRYPT_SHA)
diff --git a/libbb/human_readable.c b/libbb/human_readable.c
index b4e0ef181..09221a186 100644
--- a/libbb/human_readable.c
+++ b/libbb/human_readable.c
@@ -22,7 +22,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 const char* FAST_FUNC make_human_readable_str(unsigned long long val,
diff --git a/libbb/in_ether.c b/libbb/in_ether.c
index 161c8ea3c..c9cf6a99b 100644
--- a/libbb/in_ether.c
+++ b/libbb/in_ether.c
@@ -2,7 +2,6 @@
 /*
  * Utility routines.
  */
-
 //kbuild:lib-$(CONFIG_ARP) += in_ether.o
 //kbuild:lib-$(CONFIG_IFCONFIG) += in_ether.o
 //kbuild:lib-$(CONFIG_IFENSLAVE) += in_ether.o
diff --git a/libbb/inet_common.c b/libbb/inet_common.c
index 04259f47b..e9fbde7dc 100644
--- a/libbb/inet_common.c
+++ b/libbb/inet_common.c
@@ -7,7 +7,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 #include "inet_common.h"
 
diff --git a/libbb/inode_hash.c b/libbb/inode_hash.c
index bfed6567c..770d1a286 100644
--- a/libbb/inode_hash.c
+++ b/libbb/inode_hash.c
@@ -7,7 +7,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 typedef struct ino_dev_hash_bucket_struct {
diff --git a/libbb/isdirectory.c b/libbb/isdirectory.c
index ba6c52ce8..6225a34b2 100644
--- a/libbb/isdirectory.c
+++ b/libbb/isdirectory.c
@@ -7,8 +7,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
-#include <sys/stat.h>
 #include "libbb.h"
 
 /*
diff --git a/libbb/kernel_version.c b/libbb/kernel_version.c
index 9b6c62299..7769a091b 100644
--- a/libbb/kernel_version.c
+++ b/libbb/kernel_version.c
@@ -6,12 +6,10 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 /* After libbb.h, since it needs sys/types.h on some systems */
 #include <sys/utsname.h>  /* for uname(2) */
 
-
 /* Returns current kernel version encoded as major*65536 + minor*256 + patch,
  * so, for example,  to check if the kernel is greater than 2.2.11:
  *
diff --git a/libbb/last_char_is.c b/libbb/last_char_is.c
index 65e6cdf04..66f2e3635 100644
--- a/libbb/last_char_is.c
+++ b/libbb/last_char_is.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Find out if the last character of a string matches the one given.
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index d85057e72..c0edb7399 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -37,11 +37,6 @@
  *
  * Unicode in PS1 is not fully supported: prompt length calulation is wrong,
  * resulting in line wrap problems with long (multi-line) input.
- *
- * Multi-line PS1 (e.g. PS1="\n[\w]\n$ ") has problems with history
- * browsing: up/down arrows result in scrolling.
- * It stems from simplistic "cmdedit_y = cmdedit_prmt_len / cmdedit_termw"
- * calculation of how many lines the prompt takes.
  */
 #include "busybox.h"
 #include "NUM_APPLETS.h"
@@ -133,7 +128,7 @@ struct lineedit_statics {
 
         unsigned cmdedit_x;        /* real x (col) terminal position */
         unsigned cmdedit_y;        /* pseudoreal y (row) terminal position */
-        unsigned cmdedit_prmt_len; /* length of prompt (without colors etc) */
+        unsigned cmdedit_prmt_len; /* on-screen length of last/sole prompt line */
 
         unsigned cursor;
         int command_len; /* must be signed */
@@ -143,6 +138,7 @@ struct lineedit_statics {
         CHAR_T *command_ps;
 
         const char *cmdedit_prompt;
+        const char *prompt_last_line;  /* last/sole prompt line */
 
 #if ENABLE_USERNAME_OR_HOMEDIR
         char *user_buf;
@@ -185,6 +181,7 @@ extern struct lineedit_statics *const lineedit_ptr_to_statics;
 #define command_len      (S.command_len     )
 #define command_ps       (S.command_ps      )
 #define cmdedit_prompt   (S.cmdedit_prompt  )
+#define prompt_last_line (S.prompt_last_line)
 #define user_buf         (S.user_buf        )
 #define home_pwd_buf     (S.home_pwd_buf    )
 #define matches          (S.matches         )
@@ -473,14 +470,20 @@ static void beep(void)
         bb_putchar('\007');
 }
 
-static void put_prompt(void)
+/* Full or last/sole prompt line, reset edit cursor, calculate terminal cursor.
+ * cmdedit_y is always calculated for the last/sole prompt line.
+ */
+static void put_prompt_custom(bool is_full)
 {
-        fputs(cmdedit_prompt, stdout);
+        fputs((is_full ? cmdedit_prompt : prompt_last_line), stdout);
         cursor = 0;
         cmdedit_y = cmdedit_prmt_len / cmdedit_termw; /* new quasireal y */
         cmdedit_x = cmdedit_prmt_len % cmdedit_termw;
 }
 
+#define put_prompt_last_line() put_prompt_custom(0)
+#define put_prompt()           put_prompt_custom(1)
+
 /* Move back one character */
 /* (optimized for slow terminals) */
 static void input_backward(unsigned num)
@@ -547,7 +550,7 @@ static void input_backward(unsigned num)
                 printf("\r" ESC"[%uA", cmdedit_y);
                 cmdedit_y = 0;
                 sv_cursor = cursor;
-                put_prompt(); /* sets cursor to 0 */
+                put_prompt_last_line(); /* sets cursor to 0 */
                 while (cursor < sv_cursor)
                         put_cur_glyph_and_inc_cursor();
         } else {
@@ -568,18 +571,27 @@ static void input_backward(unsigned num)
         }
 }
 
-/* draw prompt, editor line, and clear tail */
-static void redraw(int y, int back_cursor)
+/* See redraw and draw_full below */
+static void draw_custom(int y, int back_cursor, bool is_full)
 {
         if (y > 0) /* up y lines */
                 printf(ESC"[%uA", y);
         bb_putchar('\r');
-        put_prompt();
+        put_prompt_custom(is_full);
         put_till_end_and_adv_cursor();
         printf(SEQ_CLEAR_TILL_END_OF_SCREEN);
         input_backward(back_cursor);
 }
 
+/* Move y lines up, draw last/sole prompt line, editor line[s], and clear tail.
+ * goal: redraw the prompt+input+cursor in-place, overwriting the previous */
+#define redraw(y, back_cursor) draw_custom((y), (back_cursor), 0)
+
+/* Like above, but without moving up, and while using all the prompt lines.
+ * goal: draw a full prompt+input+cursor unrelated to a previous position.
+ * note: cmdedit_y always ends up relating to the last/sole prompt line */
+#define draw_full(back_cursor) draw_custom(0, (back_cursor), 1)
+
 /* Delete the char in front of the cursor, optionally saving it
  * for later putback */
 #if !ENABLE_FEATURE_EDITING_VI
@@ -1159,7 +1171,7 @@ static NOINLINE void input_tab(smallint *lastWasTab)
                         int sav_cursor = cursor;
                         goto_new_line();
                         showfiles();
-                        redraw(0, command_len - sav_cursor);
+                        draw_full(command_len - sav_cursor);
                 }
                 return;
         }
@@ -1835,14 +1847,37 @@ static void ask_terminal(void)
 #define ask_terminal() ((void)0)
 #endif
 
+/* Note about multi-line PS1 (e.g. "\n\w \u@\h\n> ") and prompt redrawing:
+ *
+ * If the prompt has any newlines, after we print it once we use only its last
+ * line to redraw in-place, which makes it simpler to calculate how many lines
+ * we should move the cursor up to align the redraw (cmdedit_y). The earlier
+ * prompt lines just stay on screen and we redraw below them.
+ *
+ * Use cases for all prompt lines beyond the initial draw:
+ * - After clear-screen (^L) or after displaying tab-completion choices, we
+ *   print the full prompt, as it isn't redrawn in-place.
+ * - During terminal resize we could try to redraw all lines, but we don't,
+ *   because it requires delicate alignment, it's good enough with only the
+ *   last line, and doing it wrong is arguably worse than not doing it at all.
+ *
+ * Terminology wise, if it doesn't mention "full", then it means the last/sole
+ * prompt line. We use the prompt (last/sole line) while redrawing in-place,
+ * and the full where we need a fresh one unrelated to an earlier position.
+ *
+ * If PS1 is not multiline, the last/sole line and the full are the same string.
+ */
+
 /* Called just once at read_line_input() init time */
 #if !ENABLE_FEATURE_EDITING_FANCY_PROMPT
 static void parse_and_put_prompt(const char *prmt_ptr)
 {
         const char *p;
-        cmdedit_prompt = prmt_ptr;
+        cmdedit_prompt = prompt_last_line = prmt_ptr;
         p = strrchr(prmt_ptr, '\n');
-        cmdedit_prmt_len = unicode_strwidth(p ? p+1 : prmt_ptr);
+        if (p)
+                prompt_last_line = p + 1;
+        cmdedit_prmt_len = unicode_strwidth(prompt_last_line);
         put_prompt();
 }
 #else
@@ -2035,7 +2070,11 @@ static void parse_and_put_prompt(const char *prmt_ptr)
         if (cwd_buf != (char *)bb_msg_unknown)
                 free(cwd_buf);
 # endif
-        cmdedit_prompt = prmt_mem_ptr;
+        /* see comment (above this function) about multiline prompt redrawing */
+        cmdedit_prompt = prompt_last_line = prmt_mem_ptr;
+        prmt_ptr = strrchr(cmdedit_prompt, '\n');
+        if (prmt_ptr)
+                prompt_last_line = prmt_ptr + 1;
         put_prompt();
 }
 #endif
@@ -2207,7 +2246,7 @@ static int32_t reverse_i_search(int timeout)
         match_buf[0] = '\0';
 
         /* Save and replace the prompt */
-        saved_prompt = cmdedit_prompt;
+        saved_prompt = prompt_last_line;
         saved_prmt_len = cmdedit_prmt_len;
         goto set_prompt;
 
@@ -2280,10 +2319,10 @@ static int32_t reverse_i_search(int timeout)
                                         cursor = match - matched_history_line;
 //FIXME: cursor position for Unicode case
 
-                                        free((char*)cmdedit_prompt);
+                                        free((char*)prompt_last_line);
  set_prompt:
-                                        cmdedit_prompt = xasprintf("(reverse-i-search)'%s': ", match_buf);
-                                        cmdedit_prmt_len = unicode_strwidth(cmdedit_prompt);
+                                        prompt_last_line = xasprintf("(reverse-i-search)'%s': ", match_buf);
+                                        cmdedit_prmt_len = unicode_strwidth(prompt_last_line);
                                         goto do_redraw;
                                 }
                         }
@@ -2303,8 +2342,8 @@ static int32_t reverse_i_search(int timeout)
         if (matched_history_line)
                 command_len = load_string(matched_history_line);
 
-        free((char*)cmdedit_prompt);
-        cmdedit_prompt = saved_prompt;
+        free((char*)prompt_last_line);
+        prompt_last_line = saved_prompt;
         cmdedit_prmt_len = saved_prmt_len;
         redraw(cmdedit_y, command_len - cursor);
 
@@ -2524,8 +2563,9 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
                 case CTRL('L'):
                 vi_case(CTRL('L')|VI_CMDMODE_BIT:)
                         /* Control-l -- clear screen */
-                        printf(ESC"[H"); /* cursor to top,left */
-                        redraw(0, command_len - cursor);
+                        /* cursor to top,left; clear to the end of screen */
+                        printf(ESC"[H" ESC"[J");
+                        draw_full(command_len - cursor);
                         break;
 #if MAX_HISTORY > 0
                 case CTRL('N'):
diff --git a/libbb/llist.c b/libbb/llist.c
index 032e9fac8..e964a9b72 100644
--- a/libbb/llist.c
+++ b/libbb/llist.c
@@ -9,7 +9,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Add data to the start of the linked list.  */
diff --git a/libbb/login.c b/libbb/login.c
index 5a7acfcf0..7f593d80d 100644
--- a/libbb/login.c
+++ b/libbb/login.c
@@ -8,7 +8,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 /* After libbb.h, since it needs sys/types.h on some systems */
 #include <sys/utsname.h>
diff --git a/libbb/make_directory.c b/libbb/make_directory.c
index 3e171ff02..6422c863f 100644
--- a/libbb/make_directory.c
+++ b/libbb/make_directory.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 /* Mar 5, 2003    Manuel Novoa III
  *
  * This is the main work function for the 'mkdir' applet.  As such, it
@@ -21,7 +20,6 @@
  * To set specific permissions on 'path', pass the appropriate 'mode'
  * val.  Otherwise, pass -1 to get default permissions.
  */
-
 #include "libbb.h"
 
 /* This function is used from NOFORK applets. It must not allocate anything */
diff --git a/libbb/match_fstype.c b/libbb/match_fstype.c
index 6046bc6db..1e2269c5e 100644
--- a/libbb/match_fstype.c
+++ b/libbb/match_fstype.c
@@ -9,7 +9,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 int FAST_FUNC fstype_matches(const char *fstype, const char *comma_list)
diff --git a/libbb/messages.c b/libbb/messages.c
index 3c0b921cf..31721a3b3 100644
--- a/libbb/messages.c
+++ b/libbb/messages.c
@@ -4,7 +4,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* allow default system PATH to be extended via CFLAGS */
diff --git a/libbb/mode_string.c b/libbb/mode_string.c
index c387b42cb..6c5c08acd 100644
--- a/libbb/mode_string.c
+++ b/libbb/mode_string.c
@@ -6,15 +6,7 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
-/* Aug 13, 2003
- * Fix a bug reported by junkio@cox.net involving the mode_chars index.
- */
-
-
 #include <assert.h>
-#include <sys/stat.h>
-
 #include "libbb.h"
 
 #if ( S_ISUID != 04000 ) || ( S_ISGID != 02000 ) || ( S_ISVTX != 01000 ) \
diff --git a/libbb/mtab.c b/libbb/mtab.c
index 22bff6490..131705ddb 100644
--- a/libbb/mtab.c
+++ b/libbb/mtab.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include <mntent.h>
 #include "libbb.h"
 
diff --git a/libbb/nuke_str.c b/libbb/nuke_str.c
index 56b808bc7..240e68004 100644
--- a/libbb/nuke_str.c
+++ b/libbb/nuke_str.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 //kbuild:lib-y += nuke_str.o
 
 #include "libbb.h"
diff --git a/libbb/parse_mode.c b/libbb/parse_mode.c
index bddd39bca..dc65860f6 100644
--- a/libbb/parse_mode.c
+++ b/libbb/parse_mode.c
@@ -6,11 +6,10 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+#include "libbb.h"
 
 /* http://www.opengroup.org/onlinepubs/007904975/utilities/chmod.html */
 
-#include "libbb.h"
-
 /* This function is used from NOFORK applets. It must not allocate anything */
 
 #define FILEMODEBITS (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO)
diff --git a/libbb/percent_decode.c b/libbb/percent_decode.c
index 9a9d80c4a..e5e42f0b5 100644
--- a/libbb/percent_decode.c
+++ b/libbb/percent_decode.c
@@ -2,7 +2,6 @@
 /*
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 //kbuild:lib-y += percent_decode.o
 
 #include "libbb.h"
diff --git a/libbb/print_flags.c b/libbb/print_flags.c
index eaec731e5..0ebe842be 100644
--- a/libbb/print_flags.c
+++ b/libbb/print_flags.c
@@ -1,5 +1,6 @@
 /* vi: set sw=4 ts=4: */
-/* Print string that matches bit masked flags
+/*
+ * Print string that matches bit masked flags
  *
  * Copyright (C) 2008 Natanael Copa <natanael.copa@gmail.com>
  *
diff --git a/libbb/printable.c b/libbb/printable.c
index 9a423431e..224dde406 100644
--- a/libbb/printable.c
+++ b/libbb/printable.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 void FAST_FUNC fputc_printable(int ch, FILE *file)
diff --git a/libbb/process_escape_sequence.c b/libbb/process_escape_sequence.c
index 346ecfa1e..59d0d3ea8 100644
--- a/libbb/process_escape_sequence.c
+++ b/libbb/process_escape_sequence.c
@@ -7,7 +7,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 #define WANT_HEX_ESCAPES 1
diff --git a/libbb/procps.c b/libbb/procps.c
index 6f971a116..2484ab2d9 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -8,7 +8,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 
diff --git a/libbb/ptr_to_globals.c b/libbb/ptr_to_globals.c
index 1074538f3..8ba9cd154 100644
--- a/libbb/ptr_to_globals.c
+++ b/libbb/ptr_to_globals.c
@@ -4,7 +4,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include <errno.h>
 
 struct globals;
diff --git a/libbb/pw_encrypt.c b/libbb/pw_encrypt.c
index fe06a8fe6..1edf4b6f0 100644
--- a/libbb/pw_encrypt.c
+++ b/libbb/pw_encrypt.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* static const uint8_t ascii64[] ALIGN1 =
diff --git a/libbb/recursive_action.c b/libbb/recursive_action.c
index 8f2b8b932..0831ecc3a 100644
--- a/libbb/recursive_action.c
+++ b/libbb/recursive_action.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 #undef DEBUG_RECURS_ACTION
diff --git a/libbb/remove_file.c b/libbb/remove_file.c
index eaca293d9..8a1324393 100644
--- a/libbb/remove_file.c
+++ b/libbb/remove_file.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Used from NOFORK applets. Must not allocate anything */
diff --git a/libbb/replace.c b/libbb/replace.c
index 8711f957d..a661d96e6 100644
--- a/libbb/replace.c
+++ b/libbb/replace.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 //kbuild:lib-y += replace.o
 
 #include "libbb.h"
diff --git a/libbb/run_shell.c b/libbb/run_shell.c
index 3bb58bb6f..a0420d982 100644
--- a/libbb/run_shell.c
+++ b/libbb/run_shell.c
@@ -27,7 +27,6 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-
 #include "libbb.h"
 #if ENABLE_SELINUX
 #include <selinux/selinux.h>  /* for setexeccon  */
diff --git a/libbb/safe_gethostname.c b/libbb/safe_gethostname.c
index cac99ae03..b22e30ea3 100644
--- a/libbb/safe_gethostname.c
+++ b/libbb/safe_gethostname.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 /*
  * SUSv2 guarantees that "Host names are limited to 255 bytes"
  * POSIX.1-2001 guarantees that "Host names (not including the terminating
@@ -23,7 +22,6 @@
  * Host software MUST handle host names of up to 63 characters and
  * SHOULD handle host names of up to 255 characters.
  */
-
 #include "libbb.h"
 #include <sys/utsname.h>
 
diff --git a/libbb/safe_poll.c b/libbb/safe_poll.c
index b492a8151..cf93a9774 100644
--- a/libbb/safe_poll.c
+++ b/libbb/safe_poll.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Wrapper which restarts poll on EINTR or ENOMEM.
diff --git a/libbb/safe_strncpy.c b/libbb/safe_strncpy.c
index 5eb0db0bd..9570aacd7 100644
--- a/libbb/safe_strncpy.c
+++ b/libbb/safe_strncpy.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Like strncpy but make sure the resulting string is always 0 terminated. */
diff --git a/libbb/safe_write.c b/libbb/safe_write.c
index aad50f5e0..12bb438b7 100644
--- a/libbb/safe_write.c
+++ b/libbb/safe_write.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 ssize_t FAST_FUNC safe_write(int fd, const void *buf, size_t count)
diff --git a/libbb/setup_environment.c b/libbb/setup_environment.c
index 7ac22cd92..c583206f0 100644
--- a/libbb/setup_environment.c
+++ b/libbb/setup_environment.c
@@ -27,7 +27,6 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-
 #include "libbb.h"
 
 #if ENABLE_PLATFORM_MINGW32
diff --git a/libbb/signals.c b/libbb/signals.c
index 56512473a..3f589321c 100644
--- a/libbb/signals.c
+++ b/libbb/signals.c
@@ -8,7 +8,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* All known arches use small ints for signals */
diff --git a/libbb/skip_whitespace.c b/libbb/skip_whitespace.c
index b6cfbba4d..4df5d9e4d 100644
--- a/libbb/skip_whitespace.c
+++ b/libbb/skip_whitespace.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 char* FAST_FUNC skip_whitespace(const char *s)
diff --git a/libbb/speed_table.c b/libbb/speed_table.c
index 11ced01d0..967cf8de8 100644
--- a/libbb/speed_table.c
+++ b/libbb/speed_table.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 struct speed_map {
diff --git a/libbb/strrstr.c b/libbb/strrstr.c
index 93d970a1b..a173b034f 100644
--- a/libbb/strrstr.c
+++ b/libbb/strrstr.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /*
diff --git a/libbb/trim.c b/libbb/trim.c
index e47fec74e..e360ba138 100644
--- a/libbb/trim.c
+++ b/libbb/trim.c
@@ -7,7 +7,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 char* FAST_FUNC trim(char *s)
diff --git a/libbb/udp_io.c b/libbb/udp_io.c
index 6e3ef484e..68355e6c4 100644
--- a/libbb/udp_io.c
+++ b/libbb/udp_io.c
@@ -8,6 +8,10 @@
  */
 #include "libbb.h"
 
+#if defined(IPV6_PKTINFO) && !defined(IPV6_RECVPKTINFO)
+# define IPV6_RECVPKTINFO IPV6_PKTINFO
+#endif
+
 /*
  * This asks kernel to let us know dst addr/port of incoming packets
  * We don't check for errors here. Not supported == won't be used
@@ -18,8 +22,8 @@ socket_want_pktinfo(int fd UNUSED_PARAM)
 #ifdef IP_PKTINFO
         setsockopt_1(fd, IPPROTO_IP, IP_PKTINFO);
 #endif
-#if ENABLE_FEATURE_IPV6 && defined(IPV6_PKTINFO)
-        setsockopt_1(fd, IPPROTO_IPV6, IPV6_PKTINFO);
+#if ENABLE_FEATURE_IPV6 && defined(IPV6_RECVPKTINFO)
+        setsockopt_1(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO);
 #endif
 }
 
diff --git a/libbb/uuencode.c b/libbb/uuencode.c
index f7b248492..f32a3da7d 100644
--- a/libbb/uuencode.c
+++ b/libbb/uuencode.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Conversion table.  for base 64 */
diff --git a/libbb/wfopen.c b/libbb/wfopen.c
index 76dc8b82a..20fe18b23 100644
--- a/libbb/wfopen.c
+++ b/libbb/wfopen.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 FILE* FAST_FUNC fopen_or_warn(const char *path, const char *mode)
diff --git a/libbb/wfopen_input.c b/libbb/wfopen_input.c
index d8b1c4a36..872464248 100644
--- a/libbb/wfopen_input.c
+++ b/libbb/wfopen_input.c
@@ -6,14 +6,13 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+#include "libbb.h"
 
 /* A number of applets need to open a file for reading, where the filename
  * is a command line arg.  Since often that arg is '-' (meaning stdin),
  * we avoid testing everywhere by consolidating things in this routine.
  */
 
-#include "libbb.h"
-
 FILE* FAST_FUNC fopen_or_warn_stdin(const char *filename)
 {
         FILE *fp = stdin;
diff --git a/libbb/write.c b/libbb/write.c
index 2d67a7281..dd64b0032 100644
--- a/libbb/write.c
+++ b/libbb/write.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Open file and write string str to it, close file.
diff --git a/libbb/xatonum.c b/libbb/xatonum.c
index b63b7f54d..7639a62aa 100644
--- a/libbb/xatonum.c
+++ b/libbb/xatonum.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 #define type long long
diff --git a/libbb/xconnect.c b/libbb/xconnect.c
index 523bb62b1..a6127508b 100644
--- a/libbb/xconnect.c
+++ b/libbb/xconnect.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include <sys/types.h>
 #include <sys/socket.h> /* netinet/in.h needs it */
 #include <netinet/in.h>
diff --git a/libbb/xfunc_die.c b/libbb/xfunc_die.c
index 73f7998e5..25b99066d 100644
--- a/libbb/xfunc_die.c
+++ b/libbb/xfunc_die.c
@@ -6,12 +6,11 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
+#include "libbb.h"
 
 /* Keeping it separate allows to NOT pull in stdio for VERY small applets.
  * Try building busybox with only "true" enabled... */
 
-#include "libbb.h"
-
 void (*die_func)(void);
 
 void FAST_FUNC xfunc_die(void)
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index 0dfb3e2d9..43ae98065 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -8,7 +8,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 /* We need to have separate xfuncs.c and xfuncs_printf.c because
  * with current linkers, even with section garbage collection,
  * if *.o module references any of XXXprintf functions, you pull in
@@ -21,7 +20,6 @@
  *
  * TODO: move xmalloc() and xatonum() here.
  */
-
 #include "libbb.h"
 
 /* Turn on nonblocking I/O on a fd */
@@ -357,6 +355,15 @@ int FAST_FUNC get_termios_and_make_raw(int fd, struct termios *newterm, struct t
                  */
         }
         if (flags & TERMIOS_RAW_INPUT) {
+#ifndef IMAXBEL
+# define IMAXBEL 0
+#endif
+#ifndef IUCLC
+# define IUCLC 0
+#endif
+#ifndef IXANY
+# define IXANY 0
+#endif
                 /* IXOFF=0: disable sending XON/XOFF if input buf is full */
                 /* IXON=0: input XON/XOFF chars are not special */
                 /* dont convert anything on input */
diff --git a/libbb/xfuncs_printf.c b/libbb/xfuncs_printf.c
index b6ccd82b2..7032e5f8f 100644
--- a/libbb/xfuncs_printf.c
+++ b/libbb/xfuncs_printf.c
@@ -8,7 +8,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 /* We need to have separate xfuncs.c and xfuncs_printf.c because
  * with current linkers, even with section garbage collection,
  * if *.o module references any of XXXprintf functions, you pull in
@@ -19,7 +18,6 @@
  * which do not pull in printf, directly or indirectly.
  * xfunc_printf.c contains those which do.
  */
-
 #include "libbb.h"
 
 
diff --git a/libbb/xgetcwd.c b/libbb/xgetcwd.c
index 71720d323..7f9088bda 100644
--- a/libbb/xgetcwd.c
+++ b/libbb/xgetcwd.c
@@ -8,7 +8,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Return the current directory, newly allocated, arbitrarily long.
diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
index 2c5a9ef39..b3118b433 100644
--- a/libbb/xreadlink.c
+++ b/libbb/xreadlink.c
@@ -5,7 +5,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Some systems (eg Hurd) do not have MAXSYMLINKS definition,
diff --git a/libbb/xrealloc_vector.c b/libbb/xrealloc_vector.c
index e8d31b7e4..dda5f3f7d 100644
--- a/libbb/xrealloc_vector.c
+++ b/libbb/xrealloc_vector.c
@@ -6,7 +6,6 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 
 /* Resize (grow) malloced vector.
diff --git a/libbb/xregcomp.c b/libbb/xregcomp.c
index 344028f44..5870012d0 100644
--- a/libbb/xregcomp.c
+++ b/libbb/xregcomp.c
@@ -7,7 +7,6 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
 #include "libbb.h"
 #include "xregex.h"