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hush
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bbconfig: make it independent from printf functions 

function                                             old     new   delta
full_write2_str                                        -      25     +25
full_write1_str                                        -      25     +25
clear_main                                            21      20      -1
telnet_main                                         1488    1477     -11
getty_main                                          1932    1918     -14
full_write22_str                                      25       -     -25
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 0/3 up/down: 50/-51)             Total: -1 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-06-07 14:14:26 +02:00
parent 121fb9506b
commit 729ecb87bf
11 changed files with 32 additions and 35 deletions
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16
TEST_config_noprintf
View File

@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Busybox version: 1.17.0.git
# Sun Jun 6 21:38:58 2010
# Mon Jun 7 13:37:55 2010
#
CONFIG_HAVE_DOT_CONFIG=y
@ -579,7 +579,7 @@ CONFIG_VOLUMEID=y
# Miscellaneous Utilities
#
# CONFIG_ADJTIMEX is not set
# CONFIG_BBCONFIG is not set
CONFIG_BBCONFIG=y
# CONFIG_BEEP is not set
CONFIG_FEATURE_BEEP_FREQ=0
CONFIG_FEATURE_BEEP_LENGTH_MS=0
@ -872,12 +872,6 @@ CONFIG_SV_DEFAULT_SERVICE_DIR=""
#
# Shells
#
# CONFIG_FEATURE_SH_IS_ASH is not set
# CONFIG_FEATURE_SH_IS_HUSH is not set
CONFIG_FEATURE_SH_IS_NONE=y
# CONFIG_FEATURE_BASH_IS_ASH is not set
# CONFIG_FEATURE_BASH_IS_HUSH is not set
CONFIG_FEATURE_BASH_IS_NONE=y
# CONFIG_ASH is not set
# CONFIG_ASH_BASH_COMPAT is not set
# CONFIG_ASH_JOB_CONTROL is not set
@ -904,6 +898,12 @@ CONFIG_FEATURE_BASH_IS_NONE=y
# CONFIG_HUSH_LOCAL is not set
# CONFIG_HUSH_EXPORT_N is not set
# CONFIG_HUSH_RANDOM_SUPPORT is not set
# CONFIG_FEATURE_SH_IS_ASH is not set
# CONFIG_FEATURE_SH_IS_HUSH is not set
CONFIG_FEATURE_SH_IS_NONE=y
# CONFIG_FEATURE_BASH_IS_ASH is not set
# CONFIG_FEATURE_BASH_IS_HUSH is not set
CONFIG_FEATURE_BASH_IS_NONE=y
# CONFIG_LASH is not set
# CONFIG_MSH is not set
# CONFIG_SH_MATH_SUPPORT is not set

6
console-tools/clear.c
View File

@ -5,16 +5,12 @@
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
*/
/* no options, no getopt */
#include "libbb.h"
int clear_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int clear_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
/* home; clear to the end of screen */
return printf("\033[H""\033[J") != 6;
return full_write1_str("\033[H""\033[J") != 6;
}

12
coreutils/basename.c
View File

@ -5,13 +5,8 @@
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
*/
/* BB_AUDIT SUSv3 compliant */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
*
* Changes:
@ -20,6 +15,9 @@
* 3) Save some space by using strcmp(). Calling strncmp() here was silly.
*/
/* BB_AUDIT SUSv3 compliant */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */
//kbuild:lib-$(CONFIG_BASENAME) += basename.o
//config:config BASENAME
@ -40,7 +38,7 @@ int basename_main(int argc, char **argv)
size_t m, n;
char *s;
if (((unsigned int)(argc-2)) >= 2) {
if ((unsigned)(argc-2) >= 2) {
bb_show_usage();
}
@ -50,7 +48,7 @@ int basename_main(int argc, char **argv)
m = strlen(s);
if (*++argv) {
n = strlen(*argv);
if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) {
if ((m > n) && (strcmp(s+m-n, *argv) == 0)) {
m -= n;
/*s[m] = '\0'; - redundant */
}

2
include/libbb.h
View File

@ -674,6 +674,8 @@ extern ssize_t safe_write(int fd, const void *buf, size_t count) FAST_FUNC;
extern ssize_t full_write(int fd, const void *buf, size_t count) FAST_FUNC;
extern void xwrite(int fd, const void *buf, size_t count) FAST_FUNC;
extern void xwrite_str(int fd, const char *str) FAST_FUNC;
extern ssize_t full_write1_str(const char *str) FAST_FUNC;
extern ssize_t full_write2_str(const char *str) FAST_FUNC;
extern void xopen_xwrite_close(const char* file, const char *str) FAST_FUNC;
/* Close fd, but check for failures (some types of write errors) */

7
libbb/appletlib.c
View File

@ -98,13 +98,6 @@ static const char *unpack_usage_messages(void)
#endif /* FEATURE_COMPRESS_USAGE */
static void full_write2_str(const char *str)
{
// This uses stdio:
//xwrite_str(STDERR_FILENO, str);
write(STDERR_FILENO, str, strlen(str));
}
void FAST_FUNC bb_show_usage(void)
{
if (ENABLE_SHOW_USAGE) {

10
libbb/xfuncs.c
View File

@ -204,6 +204,16 @@ int FAST_FUNC bb_putchar_stderr(char ch)
return write(STDERR_FILENO, &ch, 1);
}
ssize_t FAST_FUNC full_write1_str(const char *str)
{
return full_write(STDOUT_FILENO, str, strlen(str));
}
ssize_t FAST_FUNC full_write2_str(const char *str)
{
return full_write(STDERR_FILENO, str, strlen(str));
}
static int wh_helper(int value, int def_val, const char *env_name, int *err)
{
if (value == 0) {

3
loginutils/getty.c
View File

@ -673,8 +673,7 @@ int getty_main(int argc UNUSED_PARAM, char **argv)
/* Write the modem init string and DON'T flush the buffers */
if (options.flags & F_INITSTRING) {
debug("writing init string\n");
/* todo: use xwrite_str? */
full_write(STDOUT_FILENO, options.initstring, strlen(options.initstring));
full_write1_str(options.initstring);
}
/* Optionally detect the baud rate from the modem status message */

2
miscutils/bbconfig.c
View File

@ -7,6 +7,6 @@
int bbconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int bbconfig_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
printf(bbconfig_config);
full_write1_str(bbconfig_config);
return 0;
}

4
networking/telnet.c
View File

@ -418,7 +418,7 @@ static void to_echo(void)
put_iac2(DONT, TELOPT_ECHO);
setConMode();
write_str(1, "\r\n"); /* sudden modec */
full_write1_str("\r\n"); /* sudden modec */
}
static void to_sga(void)
@ -637,7 +637,7 @@ int telnet_main(int argc UNUSED_PARAM, char **argv)
{
len = safe_read(netfd, G.buf, DATABUFSIZE);
if (len <= 0) {
write_str(1, "Connection closed by foreign host\r\n");
full_write1_str("Connection closed by foreign host\r\n");
doexit(EXIT_FAILURE);
}
TRACE(0, ("Read netfd (%d): %d\n", netfd, len));

3
scripts/mkconfigs
View File

@ -42,9 +42,8 @@ echo "\
*
* This file is generated automatically by scripts/mkconfigs.
* Do not edit.
*
*/
static const char *const bbconfig_config ="
static const char bbconfig_config[] ="
sed 's/\"/\\\"/g' $config | grep "^#\? \?CONFIG_" | awk '{print "\"" $0 "\\n\"";}'

2
shell/hush.c
View File

@ -7103,7 +7103,7 @@ int hush_main(int argc, char **argv)
break;
#if !BB_MMU
case '<': /* "big heredoc" support */
full_write(STDOUT_FILENO, optarg, strlen(optarg));
full_write1_str(optarg);
_exit(0);
case '$': {
unsigned long long empty_trap_mask;