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hush: make function support configurable

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This commit is contained in:
Denis Vlasenko 2009-04-13 14:23:12 +00:00
parent 323cbbfaa2
commit 2b2183a77d
3 changed files with 50 additions and 32 deletions
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45
scripts/defconfig
View File

@ -1,10 +1,8 @@
# defconfig is allyesconfig minus any features that are
# specialized (debugging etc) or make applet behavior change
# significantly from "standard" version of utilities.
# Applets which are severely incompatible with "standard" utilities
# or are not maintained /tested for some time, appear to be buggy
# and carry serious potential of breakage if used, may also be excluded
#
# Automatically generated make config: don't edit
# Busybox version: 1.14.0.svn
# Mon Apr 13 16:22:36 2009
#
CONFIG_HAVE_DOT_CONFIG=y
#
@ -49,6 +47,7 @@ CONFIG_FEATURE_HAVE_RPC=y
# CONFIG_FEATURE_SHARED_BUSYBOX is not set
CONFIG_LFS=y
CONFIG_CROSS_COMPILER_PREFIX=""
CONFIG_EXTRA_CFLAGS=""
#
# Debugging Options
@ -210,6 +209,8 @@ CONFIG_RMDIR=y
CONFIG_FEATURE_RMDIR_LONG_OPTIONS=y
CONFIG_SEQ=y
CONFIG_SHA1SUM=y
CONFIG_SHA256SUM=y
CONFIG_SHA512SUM=y
CONFIG_SLEEP=y
CONFIG_FEATURE_FANCY_SLEEP=y
CONFIG_FEATURE_FLOAT_SLEEP=y
@ -389,6 +390,7 @@ CONFIG_FEATURE_SHADOWPASSWDS=y
CONFIG_USE_BB_PWD_GRP=y
CONFIG_USE_BB_SHADOW=y
CONFIG_USE_BB_CRYPT=y
CONFIG_USE_BB_CRYPT_SHA=y
CONFIG_ADDGROUP=y
CONFIG_FEATURE_ADDUSER_TO_GROUP=y
CONFIG_DELGROUP=y
@ -425,8 +427,6 @@ CONFIG_LSATTR=y
#
# Linux Module Utilities
#
CONFIG_DEFAULT_MODULES_DIR="/lib/modules"
CONFIG_DEFAULT_DEPMOD_FILE="modules.dep"
CONFIG_MODPROBE_SMALL=y
CONFIG_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE=y
CONFIG_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED=y
@ -450,10 +450,14 @@ CONFIG_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED=y
# CONFIG_FEATURE_CHECK_TAINTED_MODULE is not set
# CONFIG_FEATURE_MODUTILS_ALIAS is not set
# CONFIG_FEATURE_MODUTILS_SYMBOLS is not set
CONFIG_DEFAULT_MODULES_DIR="/lib/modules"
CONFIG_DEFAULT_DEPMOD_FILE="modules.dep"
#
# Linux System Utilities
#
CONFIG_ACPID=y
CONFIG_FEATURE_ACPID_COMPAT=y
CONFIG_BLKID=y
CONFIG_DMESG=y
CONFIG_FEATURE_DMESG_PRETTY=y
@ -479,6 +483,7 @@ CONFIG_MKFS_MINIX=y
# Minix filesystem support
#
CONFIG_FEATURE_MINIX2=y
CONFIG_MKFS_VFAT=y
CONFIG_GETOPT=y
CONFIG_HEXDUMP=y
CONFIG_FEATURE_HEXDUMP_REVERSE=y
@ -561,6 +566,7 @@ CONFIG_CHRT=y
CONFIG_CROND=y
CONFIG_FEATURE_CROND_D=y
CONFIG_FEATURE_CROND_CALL_SENDMAIL=y
CONFIG_FEATURE_CROND_DIR="/var/spool/cron"
CONFIG_CRONTAB=y
CONFIG_DC=y
CONFIG_FEATURE_DC_LIBM=y
@ -573,6 +579,8 @@ CONFIG_DEVMEM=y
CONFIG_EJECT=y
CONFIG_FEATURE_EJECT_SCSI=y
CONFIG_FBSPLASH=y
CONFIG_FLASH_ERASEALL=y
CONFIG_IONICE=y
# CONFIG_INOTIFYD is not set
CONFIG_LAST=y
# CONFIG_FEATURE_LAST_SMALL is not set
@ -581,11 +589,11 @@ CONFIG_LESS=y
CONFIG_FEATURE_LESS_MAXLINES=9999999
CONFIG_FEATURE_LESS_BRACKETS=y
CONFIG_FEATURE_LESS_FLAGS=y
CONFIG_FEATURE_LESS_DASHCMD=y
CONFIG_FEATURE_LESS_MARKS=y
CONFIG_FEATURE_LESS_REGEXP=y
CONFIG_FEATURE_LESS_LINENUMS=y
CONFIG_FEATURE_LESS_WINCH=y
CONFIG_FEATURE_LESS_DASHCMD=y
CONFIG_FEATURE_LESS_LINENUMS=y
CONFIG_HDPARM=y
CONFIG_FEATURE_HDPARM_GET_IDENTITY=y
CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF=y
@ -609,6 +617,7 @@ CONFIG_STRINGS=y
# CONFIG_TASKSET is not set
# CONFIG_FEATURE_TASKSET_FANCY is not set
CONFIG_TIME=y
CONFIG_TIMEOUT=y
CONFIG_TTYSIZE=y
CONFIG_WATCHDOG=y
@ -626,6 +635,8 @@ CONFIG_FEATURE_BRCTL_SHOW=y
CONFIG_DNSD=y
CONFIG_ETHER_WAKE=y
CONFIG_FAKEIDENTD=y
CONFIG_FTPD=y
CONFIG_FEATURE_FTP_WRITE=y
CONFIG_FTPGET=y
CONFIG_FTPPUT=y
CONFIG_FEATURE_FTPGETPUT_LONG_OPTIONS=y
@ -723,6 +734,7 @@ CONFIG_FEATURE_UDHCP_PORT=y
CONFIG_FEATURE_UDHCP_RFC3397=y
CONFIG_UDHCPC_DEFAULT_SCRIPT="/usr/share/udhcpc/default.script"
CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS=80
CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS="-R -n"
CONFIG_VCONFIG=y
CONFIG_WGET=y
CONFIG_FEATURE_WGET_STATUSBAR=y
@ -730,6 +742,8 @@ CONFIG_FEATURE_WGET_AUTHENTICATION=y
CONFIG_FEATURE_WGET_LONG_OPTIONS=y
CONFIG_ZCIP=y
CONFIG_TCPSVD=y
CONFIG_TUNCTL=y
CONFIG_FEATURE_TUNCTL_UG=y
CONFIG_UDPSVD=y
#
@ -749,8 +763,6 @@ CONFIG_FEATURE_POPMAILDIR_DELIVERY=y
CONFIG_REFORMIME=y
CONFIG_FEATURE_REFORMIME_COMPAT=y
CONFIG_SENDMAIL=y
CONFIG_FEATURE_SENDMAIL_MAILX=y
CONFIG_FEATURE_SENDMAIL_MAILXX=y
#
# Process Utilities
@ -768,7 +780,7 @@ CONFIG_FEATURE_PIDOF_OMIT=y
CONFIG_PKILL=y
CONFIG_PS=y
CONFIG_FEATURE_PS_WIDE=y
CONFIG_FEATURE_PS_TIME=y
# CONFIG_FEATURE_PS_TIME is not set
# CONFIG_FEATURE_PS_UNUSUAL_SYSTEMS is not set
CONFIG_RENICE=y
CONFIG_BB_SYSCTL=y
@ -829,8 +841,6 @@ CONFIG_ASH_JOB_CONTROL=y
CONFIG_ASH_READ_NCHARS=y
CONFIG_ASH_READ_TIMEOUT=y
CONFIG_ASH_ALIAS=y
CONFIG_ASH_MATH_SUPPORT=y
CONFIG_ASH_MATH_SUPPORT_64=y
CONFIG_ASH_GETOPTS=y
CONFIG_ASH_BUILTIN_ECHO=y
CONFIG_ASH_BUILTIN_PRINTF=y
@ -848,12 +858,15 @@ CONFIG_HUSH_TICK=y
CONFIG_HUSH_IF=y
CONFIG_HUSH_LOOPS=y
CONFIG_HUSH_CASE=y
CONFIG_HUSH_FUNCTIONS=y
# CONFIG_LASH is not set
CONFIG_MSH=y
#
# Bourne Shell Options
#
CONFIG_SH_MATH_SUPPORT=y
CONFIG_SH_MATH_SUPPORT_64=y
CONFIG_FEATURE_SH_EXTRA_QUIET=y
# CONFIG_FEATURE_SH_STANDALONE is not set
# CONFIG_FEATURE_SH_NOFORK is not set

35
shell/Config.in
View File

@ -159,16 +159,15 @@ config HUSH
bool "hush"
default n
help
hush is a very small shell (just 18k) and it has fairly complete
Bourne shell grammar. It even handles all the normal flow control
options such as if/then/elif/else/fi, for/in/do/done, while loops,
case/esac.
hush is a small shell (22k). It handles the normal flow control
constructs such as if/then/elif/else/fi, for/in/do/done, while loops,
case/esac. Redirections, here documents, $((arithmetic))
and functions are supported.
It will compile and work on no-mmu systems.
It does not handle select, functions, here documents ( <<
word ), aliases, brace expansion, tilde expansion,
&> and >& redirection of stdout+stderr, etc.
It does not handle select, aliases, brace expansion,
tilde expansion, &>file and >&file redirection of stdout+stderr.
config HUSH_HELP
bool "help builtin"
@ -226,6 +225,13 @@ config HUSH_CASE
help
Enable case ... esac statement in hush. +400 bytes.
config HUSH_FUNCTIONS
bool "Support funcname() { commands; } syntax"
default n
depends on HUSH
help
Enable support for shell functions in hush. +800 bytes.
config LASH
bool "lash (deprecated: aliased to hush)"
default n
@ -237,16 +243,17 @@ config MSH
bool "msh (deprecated: please use hush)"
default n
help
The minix shell (adds just 30k) is quite complete and handles things
like for/do/done, case/esac and all the things you expect a Bourne
shell to do. It is not always pedantically correct about Bourne
shell grammar (try running the shell testscript "tests/sh.testcases"
on it and compare vs bash) but for most things it works quite well.
It uses only vfork, so it can be used on uClinux systems.
msh is deprecated and will be removed, please migrate to hush.
If there is a feature msh has but hush does not, please let us know.
# The minix shell (adds just 30k) is quite complete and handles things
# like for/do/done, case/esac and all the things you expect a Bourne
# shell to do. It is not always pedantically correct about Bourne
# shell grammar (try running the shell testscript "tests/sh.testcases"
# on it and compare vs bash) but for most things it works quite well.
# It uses only vfork, so it can be used on uClinux systems.
comment "Bourne Shell Options"
depends on MSH || LASH || HUSH || ASH

2
shell/hush.c
View File

@ -83,8 +83,6 @@
* Keeping 1 for now even in released versions.
*/
#define HUSH_DEBUG 1
/* In progress... */
#define ENABLE_HUSH_FUNCTIONS 1
#if BUILD_AS_NOMMU