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authorEric Andersen <andersen@codepoet.org>2001-05-21 20:30:51 +0000
committerEric Andersen <andersen@codepoet.org>2001-05-21 20:30:51 +0000
commit004015e9c4e8ff98bcbaf955cf42147218204da4 (patch)
treeb6f1eb9281b70d0723d82a68ed090e619dbbf606
parentabec344ab7060d940f133d93b76e6bbe5881e205 (diff)
downloadbusybox-004015e9c4e8ff98bcbaf955cf42147218204da4.tar.gz
Patch from Lars Kellogg-Stedman <lars@larsshack.org> to fix bug
#1130 (i.e. When you turn on features it should always ADD features)
-rw-r--r--Config.h21
-rw-r--r--applets/usage.h4
-rw-r--r--cmdedit.c14
-rw-r--r--coreutils/tail.c12
-rw-r--r--hush.c6
-rw-r--r--include/usage.h4
-rw-r--r--lash.c6
-rw-r--r--networking/ping.c8
-rw-r--r--ping.c8
-rw-r--r--shell/cmdedit.c14
-rw-r--r--shell/hush.c6
-rw-r--r--shell/lash.c6
-rw-r--r--tail.c12
-rw-r--r--usage.h4
14 files changed, 62 insertions, 63 deletions
diff --git a/Config.h b/Config.h
index 15209beef..d35f1a4bf 100644
--- a/Config.h
+++ b/Config.h
@@ -192,8 +192,8 @@
// enable ls -L
#define BB_FEATURE_LS_FOLLOWLINKS
//
-// Change ping implementation -- simplified, featureless, but really small.
-//#define BB_FEATURE_SIMPLE_PING
+// Disable for a smaller (but less functional) ping
+#define BB_FEATURE_FANCY_PING
//
// Make init use a simplified /etc/inittab file (recommended).
#define BB_FEATURE_USE_INITTAB
@@ -213,9 +213,9 @@
// enable syslogd -C
//#define BB_FEATURE_IPC_SYSLOG
//
-//Simple tail implementation (2.34k vs 3k for the full one).
+//Disable for a simple tail implementation (2.34k vs 3k for the full one).
//Both provide 'tail -f', but this cuts out -c, -q, -s, and -v.
-#define BB_FEATURE_SIMPLE_TAIL
+#define BB_FEATURE_FANCY_TAIL
//
// Enable support for loop devices in mount
#define BB_FEATURE_MOUNT_LOOP
@@ -273,12 +273,11 @@
// Only relevant if BB_SH is enabled. Off by default.
//#define BB_FEATURE_SH_APPLETS_ALWAYS_WIN
//
-// Some deeply embedded systems don't have usernames or even hostnames,
-// and the default prompt can look rather hideous on them. Uncomment
-// this option for a simpler, path-only prompt (which was the default until
-// around BusyBox-0.48). On by default.
+// Uncomment this option for a fancy shell prompt that includes the
+// current username and hostname. On systems that don't have usernames
+// or hostnames, this can look hideous.
// Only relevant if BB_SH is enabled.
-#define BB_FEATURE_SH_SIMPLE_PROMPT
+//#define BB_FEATURE_SH_FANCY_PROMPT
//
//Turn on extra fbset options
//#define BB_FEATURE_FBSET_FANCY
@@ -389,12 +388,12 @@
#undef BB_FEATURE_COMMAND_EDITING
#undef BB_FEATURE_COMMAND_TAB_COMPLETION
#undef BB_FEATURE_COMMAND_USERNAME_COMPLETION
- #define BB_FEATURE_SH_SIMPLE_PROMPT
+ #undef BB_FEATURE_SH_FANCY_PROMPT
#endif
#else
#undef BB_FEATURE_SH_APPLETS_ALWAYS_WIN
#undef BB_FEATURE_SH_STANDALONE_SHELL
- #undef BB_FEATURE_SH_SIMPLE_PROMPT
+ #undef BB_FEATURE_SH_FANCY_PROMPT
#endif
//
#ifdef BB_KILLALL
diff --git a/applets/usage.h b/applets/usage.h
index b442e8b35..63c00c674 100644
--- a/applets/usage.h
+++ b/applets/usage.h
@@ -1166,7 +1166,7 @@
"Name: debian\n" \
"Address: 127.0.0.1\n"
-#ifdef BB_FEATURE_SIMPLE_PING
+#ifndef BB_FEATURE_FANCY_PING
#define ping_trivial_usage "host"
#define ping_full_usage "Send ICMP ECHO_REQUEST packets to network hosts"
#else
@@ -1433,7 +1433,7 @@
"$ syslogd -R 192.168.1.1:601\n"
-#ifdef BB_FEATURE_SIMPLE_TAIL
+#ifndef BB_FEATURE_FANCY_TAIL
#define USAGE_UNSIMPLE_TAIL(a)
#else
#define USAGE_UNSIMPLE_TAIL(a) a
diff --git a/cmdedit.c b/cmdedit.c
index cc39e562a..a87723139 100644
--- a/cmdedit.c
+++ b/cmdedit.c
@@ -76,7 +76,7 @@
#undef BB_FEATURE_COMMAND_USERNAME_COMPLETION
#endif
-#if defined(BB_FEATURE_COMMAND_USERNAME_COMPLETION) || !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_COMMAND_USERNAME_COMPLETION) || defined(BB_FEATURE_SH_FANCY_PROMPT)
#define BB_FEATURE_GETUSERNAME_AND_HOMEDIR
#endif
@@ -151,7 +151,7 @@ static int cursor; /* required global for signal handler */
static int len; /* --- "" - - "" - -"- --""-- --""--- */
static char *command_ps; /* --- "" - - "" - -"- --""-- --""--- */
static
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
const
#endif
char *cmdedit_prompt; /* --- "" - - "" - -"- --""-- --""--- */
@@ -166,7 +166,7 @@ static char *home_pwd_buf = "";
static int my_euid;
#endif
-#ifndef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifdef BB_FEATURE_SH_FANCY_PROMPT
static char *hostname_buf = "";
static int num_ok_lines = 1;
#endif
@@ -335,7 +335,7 @@ static void put_prompt(void)
cursor = 0;
}
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
static void parse_prompt(const char *prmt_ptr)
{
cmdedit_prompt = prmt_ptr;
@@ -1469,7 +1469,7 @@ prepare_to_die:
history_counter++;
}
}
-#if !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
num_ok_lines++;
#endif
}
@@ -1478,7 +1478,7 @@ prepare_to_die:
#if defined(BB_FEATURE_CLEAN_UP) && defined(BB_FEATURE_COMMAND_TAB_COMPLETION)
input_tab(0); /* strong free */
#endif
-#if !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
free(cmdedit_prompt);
#endif
return;
@@ -1519,7 +1519,7 @@ int main(int argc, char **argv)
{
char buff[BUFSIZ];
char *prompt =
-#if !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
"\\[\\033[32;1m\\]\\u@\\[\\x1b[33;1m\\]\\h:\
\\[\\033[34;1m\\]\\w\\[\\033[35;1m\\] \
\\!\\[\\e[36;1m\\]\\$ \\[\\E[0m\\]";
diff --git a/coreutils/tail.c b/coreutils/tail.c
index ff77bde77..4fe92ba5e 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -73,7 +73,7 @@ int tail_main(int argc, char **argv)
case 'f':
follow = 1;
break;
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
case 'c':
units = BYTES;
/* FALLS THROUGH */
@@ -85,7 +85,7 @@ int tail_main(int argc, char **argv)
if (optarg[0] == '+')
from_top = 1;
break;
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
case 'q':
hide_headers = 1;
break;
@@ -118,7 +118,7 @@ int tail_main(int argc, char **argv)
}
}
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
/* tail the files */
if (!from_top && units == BYTES)
tailbuf = xmalloc(count);
@@ -132,7 +132,7 @@ int tail_main(int argc, char **argv)
printf("%s==> %s <==\n", i == 0 ? "" : "\n", argv[optind + i]);
while ((nread = safe_read(fds[i], buf, sizeof(buf))) > 0) {
if (from_top) {
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
if (units == BYTES) {
if (count - 1 <= seen)
nwrite = nread;
@@ -165,7 +165,7 @@ int tail_main(int argc, char **argv)
break;
}
} else {
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
if (units == BYTES) {
if (nread < count) {
memmove(tailbuf, tailbuf + nread, count - nread);
@@ -199,7 +199,7 @@ int tail_main(int argc, char **argv)
status = EXIT_FAILURE;
}
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
if (!from_top && units == BYTES) {
if (count < seen)
seen = count;
diff --git a/hush.c b/hush.c
index fc45bb270..722dcf7ac 100644
--- a/hush.c
+++ b/hush.c
@@ -113,7 +113,7 @@
#define applet_name "hush"
#include "standalone.h"
#define shell_main main
-#define BB_FEATURE_SH_SIMPLE_PROMPT
+#undef BB_FEATURE_SH_FANCY_PROMPT
#endif
typedef enum {
@@ -843,7 +843,7 @@ static int static_peek(struct in_str *i)
static inline void cmdedit_set_initial_prompt(void)
{
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
PS1 = NULL;
#else
PS1 = getenv("PS1");
@@ -855,7 +855,7 @@ static inline void cmdedit_set_initial_prompt(void)
static inline void setup_prompt_string(int promptmode, char **prompt_str)
{
debug_printf("setup_prompt_string %d ",promptmode);
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
/* Set up the prompt */
if (promptmode == 1) {
if (PS1)
diff --git a/include/usage.h b/include/usage.h
index b442e8b35..63c00c674 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -1166,7 +1166,7 @@
"Name: debian\n" \
"Address: 127.0.0.1\n"
-#ifdef BB_FEATURE_SIMPLE_PING
+#ifndef BB_FEATURE_FANCY_PING
#define ping_trivial_usage "host"
#define ping_full_usage "Send ICMP ECHO_REQUEST packets to network hosts"
#else
@@ -1433,7 +1433,7 @@
"$ syslogd -R 192.168.1.1:601\n"
-#ifdef BB_FEATURE_SIMPLE_TAIL
+#ifndef BB_FEATURE_FANCY_TAIL
#define USAGE_UNSIMPLE_TAIL(a)
#else
#define USAGE_UNSIMPLE_TAIL(a) a
diff --git a/lash.c b/lash.c
index cb17e2d75..f1200ba95 100644
--- a/lash.c
+++ b/lash.c
@@ -436,7 +436,7 @@ static int builtin_export(struct child_prog *child)
res = putenv(v);
if (res)
fprintf(stderr, "export: %m\n");
-#ifndef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifdef BB_FEATURE_SH_FANCY_PROMPT
if (strncmp(v, "PS1=", 4)==0)
PS1 = getenv("PS1");
#endif
@@ -809,7 +809,7 @@ static void restore_redirects(int squirrel[])
static inline void cmdedit_set_initial_prompt(void)
{
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
PS1 = NULL;
#else
PS1 = getenv("PS1");
@@ -820,7 +820,7 @@ static inline void cmdedit_set_initial_prompt(void)
static inline void setup_prompt_string(char **prompt_str)
{
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
/* Set up the prompt */
if (shell_context == 0) {
if (PS1)
diff --git a/networking/ping.c b/networking/ping.c
index 1afcb28b1..e4307d2de 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -1,6 +1,6 @@
/* vi: set sw=4 ts=4: */
/*
- * $Id: ping.c,v 1.42 2001/05/16 15:52:23 kraai Exp $
+ * $Id: ping.c,v 1.43 2001/05/21 20:30:51 andersen Exp $
* Mini ping implementation for busybox
*
* Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@@ -174,7 +174,7 @@ static int in_cksum(unsigned short *buf, int sz)
}
/* simple version */
-#ifdef BB_FEATURE_SIMPLE_PING
+#ifndef BB_FEATURE_FANCY_PING
static char *hostname = NULL;
static void noresp(int ign)
@@ -251,7 +251,7 @@ extern int ping_main(int argc, char **argv)
return EXIT_SUCCESS;
}
-#else /* ! BB_FEATURE_SIMPLE_PING */
+#else /* ! BB_FEATURE_FANCY_PING */
/* full(er) version */
static char *hostname = NULL;
static struct sockaddr_in pingaddr;
@@ -534,7 +534,7 @@ extern int ping_main(int argc, char **argv)
ping(*argv);
return EXIT_SUCCESS;
}
-#endif /* ! BB_FEATURE_SIMPLE_PING */
+#endif /* ! BB_FEATURE_FANCY_PING */
/*
* Copyright (c) 1989 The Regents of the University of California.
diff --git a/ping.c b/ping.c
index 1afcb28b1..e4307d2de 100644
--- a/ping.c
+++ b/ping.c
@@ -1,6 +1,6 @@
/* vi: set sw=4 ts=4: */
/*
- * $Id: ping.c,v 1.42 2001/05/16 15:52:23 kraai Exp $
+ * $Id: ping.c,v 1.43 2001/05/21 20:30:51 andersen Exp $
* Mini ping implementation for busybox
*
* Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@@ -174,7 +174,7 @@ static int in_cksum(unsigned short *buf, int sz)
}
/* simple version */
-#ifdef BB_FEATURE_SIMPLE_PING
+#ifndef BB_FEATURE_FANCY_PING
static char *hostname = NULL;
static void noresp(int ign)
@@ -251,7 +251,7 @@ extern int ping_main(int argc, char **argv)
return EXIT_SUCCESS;
}
-#else /* ! BB_FEATURE_SIMPLE_PING */
+#else /* ! BB_FEATURE_FANCY_PING */
/* full(er) version */
static char *hostname = NULL;
static struct sockaddr_in pingaddr;
@@ -534,7 +534,7 @@ extern int ping_main(int argc, char **argv)
ping(*argv);
return EXIT_SUCCESS;
}
-#endif /* ! BB_FEATURE_SIMPLE_PING */
+#endif /* ! BB_FEATURE_FANCY_PING */
/*
* Copyright (c) 1989 The Regents of the University of California.
diff --git a/shell/cmdedit.c b/shell/cmdedit.c
index cc39e562a..a87723139 100644
--- a/shell/cmdedit.c
+++ b/shell/cmdedit.c
@@ -76,7 +76,7 @@
#undef BB_FEATURE_COMMAND_USERNAME_COMPLETION
#endif
-#if defined(BB_FEATURE_COMMAND_USERNAME_COMPLETION) || !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_COMMAND_USERNAME_COMPLETION) || defined(BB_FEATURE_SH_FANCY_PROMPT)
#define BB_FEATURE_GETUSERNAME_AND_HOMEDIR
#endif
@@ -151,7 +151,7 @@ static int cursor; /* required global for signal handler */
static int len; /* --- "" - - "" - -"- --""-- --""--- */
static char *command_ps; /* --- "" - - "" - -"- --""-- --""--- */
static
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
const
#endif
char *cmdedit_prompt; /* --- "" - - "" - -"- --""-- --""--- */
@@ -166,7 +166,7 @@ static char *home_pwd_buf = "";
static int my_euid;
#endif
-#ifndef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifdef BB_FEATURE_SH_FANCY_PROMPT
static char *hostname_buf = "";
static int num_ok_lines = 1;
#endif
@@ -335,7 +335,7 @@ static void put_prompt(void)
cursor = 0;
}
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
static void parse_prompt(const char *prmt_ptr)
{
cmdedit_prompt = prmt_ptr;
@@ -1469,7 +1469,7 @@ prepare_to_die:
history_counter++;
}
}
-#if !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
num_ok_lines++;
#endif
}
@@ -1478,7 +1478,7 @@ prepare_to_die:
#if defined(BB_FEATURE_CLEAN_UP) && defined(BB_FEATURE_COMMAND_TAB_COMPLETION)
input_tab(0); /* strong free */
#endif
-#if !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
free(cmdedit_prompt);
#endif
return;
@@ -1519,7 +1519,7 @@ int main(int argc, char **argv)
{
char buff[BUFSIZ];
char *prompt =
-#if !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
"\\[\\033[32;1m\\]\\u@\\[\\x1b[33;1m\\]\\h:\
\\[\\033[34;1m\\]\\w\\[\\033[35;1m\\] \
\\!\\[\\e[36;1m\\]\\$ \\[\\E[0m\\]";
diff --git a/shell/hush.c b/shell/hush.c
index fc45bb270..722dcf7ac 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -113,7 +113,7 @@
#define applet_name "hush"
#include "standalone.h"
#define shell_main main
-#define BB_FEATURE_SH_SIMPLE_PROMPT
+#undef BB_FEATURE_SH_FANCY_PROMPT
#endif
typedef enum {
@@ -843,7 +843,7 @@ static int static_peek(struct in_str *i)
static inline void cmdedit_set_initial_prompt(void)
{
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
PS1 = NULL;
#else
PS1 = getenv("PS1");
@@ -855,7 +855,7 @@ static inline void cmdedit_set_initial_prompt(void)
static inline void setup_prompt_string(int promptmode, char **prompt_str)
{
debug_printf("setup_prompt_string %d ",promptmode);
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
/* Set up the prompt */
if (promptmode == 1) {
if (PS1)
diff --git a/shell/lash.c b/shell/lash.c
index cb17e2d75..f1200ba95 100644
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -436,7 +436,7 @@ static int builtin_export(struct child_prog *child)
res = putenv(v);
if (res)
fprintf(stderr, "export: %m\n");
-#ifndef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifdef BB_FEATURE_SH_FANCY_PROMPT
if (strncmp(v, "PS1=", 4)==0)
PS1 = getenv("PS1");
#endif
@@ -809,7 +809,7 @@ static void restore_redirects(int squirrel[])
static inline void cmdedit_set_initial_prompt(void)
{
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
PS1 = NULL;
#else
PS1 = getenv("PS1");
@@ -820,7 +820,7 @@ static inline void cmdedit_set_initial_prompt(void)
static inline void setup_prompt_string(char **prompt_str)
{
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
/* Set up the prompt */
if (shell_context == 0) {
if (PS1)
diff --git a/tail.c b/tail.c
index ff77bde77..4fe92ba5e 100644
--- a/tail.c
+++ b/tail.c
@@ -73,7 +73,7 @@ int tail_main(int argc, char **argv)
case 'f':
follow = 1;
break;
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
case 'c':
units = BYTES;
/* FALLS THROUGH */
@@ -85,7 +85,7 @@ int tail_main(int argc, char **argv)
if (optarg[0] == '+')
from_top = 1;
break;
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
case 'q':
hide_headers = 1;
break;
@@ -118,7 +118,7 @@ int tail_main(int argc, char **argv)
}
}
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
/* tail the files */
if (!from_top && units == BYTES)
tailbuf = xmalloc(count);
@@ -132,7 +132,7 @@ int tail_main(int argc, char **argv)
printf("%s==> %s <==\n", i == 0 ? "" : "\n", argv[optind + i]);
while ((nread = safe_read(fds[i], buf, sizeof(buf))) > 0) {
if (from_top) {
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
if (units == BYTES) {
if (count - 1 <= seen)
nwrite = nread;
@@ -165,7 +165,7 @@ int tail_main(int argc, char **argv)
break;
}
} else {
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
if (units == BYTES) {
if (nread < count) {
memmove(tailbuf, tailbuf + nread, count - nread);
@@ -199,7 +199,7 @@ int tail_main(int argc, char **argv)
status = EXIT_FAILURE;
}
-#ifndef BB_FEATURE_SIMPLE_TAIL
+#ifdef BB_FEATURE_FANCY_TAIL
if (!from_top && units == BYTES) {
if (count < seen)
seen = count;
diff --git a/usage.h b/usage.h
index b442e8b35..63c00c674 100644
--- a/usage.h
+++ b/usage.h
@@ -1166,7 +1166,7 @@
"Name: debian\n" \
"Address: 127.0.0.1\n"
-#ifdef BB_FEATURE_SIMPLE_PING
+#ifndef BB_FEATURE_FANCY_PING
#define ping_trivial_usage "host"
#define ping_full_usage "Send ICMP ECHO_REQUEST packets to network hosts"
#else
@@ -1433,7 +1433,7 @@
"$ syslogd -R 192.168.1.1:601\n"
-#ifdef BB_FEATURE_SIMPLE_TAIL
+#ifndef BB_FEATURE_FANCY_TAIL
#define USAGE_UNSIMPLE_TAIL(a)
#else
#define USAGE_UNSIMPLE_TAIL(a) a