Teach md5sum and sha1sum to work the way other applets do so I don't have to

teach scripts/individual new tricks.  And while I'm at it, teach
scripts/individual other new tricks.  Now builds 198 applets, some of which
I should teach it to hardlink together because they're really the same app...
This commit is contained in:
Rob Landley 2006-08-06 02:13:36 +00:00
parent affb7a61a6
commit 236c6755d2
3 changed files with 59 additions and 34 deletions

View File

@ -81,12 +81,16 @@ static uint8_t *hash_file(const char *filename, hash_algo_t hash_algo)
return hash_value;
}
/* This could become a common function for md5 as well, by using md5_stream */
static int hash_files(int argc, char **argv, hash_algo_t hash_algo)
int md5_sha1_sum_main(int argc, char **argv)
{
int return_value = EXIT_SUCCESS;
uint8_t *hash_value;
unsigned int flags;
hash_algo_t hash_algo = ENABLE_MD5SUM ?
(ENABLE_SHA1SUM ?
(**argv=='m' ? HASH_MD5 : HASH_SHA1)
: HASH_MD5)
: HASH_SHA1;
if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK)
flags = bb_getopt_ulflags(argc, argv, "scw");
@ -178,17 +182,3 @@ static int hash_files(int argc, char **argv, hash_algo_t hash_algo)
}
return (return_value);
}
#ifdef CONFIG_MD5SUM
int md5sum_main(int argc, char **argv)
{
return (hash_files(argc, argv, HASH_MD5));
}
#endif
#ifdef CONFIG_SHA1SUM
int sha1sum_main(int argc, char **argv)
{
return (hash_files(argc, argv, HASH_SHA1));
}
#endif

View File

@ -179,7 +179,7 @@ USE_LSATTR(APPLET(lsattr, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_LSMOD(APPLET(lsmod, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_UNLZMA(APPLET_ODDNAME(lzmacat, unlzma, _BB_DIR_USR_BIN, _BB_SUID_NEVER, lzmacat))
USE_MAKEDEVS(APPLET(makedevs, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_MD5SUM(APPLET(md5sum, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_MD5SUM(APPLET_ODDNAME(md5sum, md5_sha1_sum, _BB_DIR_USR_BIN, _BB_SUID_NEVER, md5sum))
USE_MDEV(APPLET(mdev, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_MESG(APPLET(mesg, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_MKDIR(APPLET(mkdir, _BB_DIR_BIN, _BB_SUID_NEVER))
@ -245,7 +245,7 @@ USE_FEATURE_SH_IS_ASH(APPLET_NOUSAGE(sh, ash, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_FEATURE_SH_IS_HUSH(APPLET_NOUSAGE(sh, hush, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_FEATURE_SH_IS_LASH(APPLET_NOUSAGE(sh, lash, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_FEATURE_SH_IS_MSH(APPLET_NOUSAGE(sh, msh, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_SHA1SUM(APPLET(sha1sum, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_SHA1SUM(APPLET_ODDNAME(sha1sum, md5_sha1_sum, _BB_DIR_USR_BIN, _BB_SUID_NEVER, sha1sum))
USE_SLEEP(APPLET(sleep, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_SORT(APPLET(sort, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_START_STOP_DAEMON(APPLET_ODDNAME(start-stop-daemon, start_stop_daemon, _BB_DIR_SBIN, _BB_SUID_NEVER, start_stop_daemon))

View File

@ -1,5 +1,10 @@
#!/bin/sh
# Clear out the build directory. (Make clean should do this instead of here.)
rm -rf build
mkdir build
# Make our prerequisites.
make busybox.links include/bb_config.h
@ -12,15 +17,18 @@ cd libbb
make
cd ..
# Same problem.
cd archival/libunarchive
make
cd ../..
# 146 applets build without any extra stuff. The applet is one C file with
# the same name as the corresponding applet, and all it needs to link against
# is libbb.a. However, 104 of them need more than that.
# About 3/5 of the applets build from one .c file (with the same name as the
# corresponding applet), and all it needs to link against. However, to build
# them all we need more than that.
# Figure out which applets need extra libraries added to their command line.
# dpkg_deb gzip
function extra_libraries()
{
archival="ar bunzip2 unlzma cpio dpkg gunzip rpm2cpio rpm tar uncompress unzip dpkg_deb gzip "
@ -28,34 +36,61 @@ function extra_libraries()
then
echo "archival/libunarchive/libunarchive.a"
fi
# What needs -libm?
libm="awk dc "
if [ "${libm/$1 //}" != "${libm}" ]
then
echo "-lm"
fi
}
# Here are a few that build in a standard way. Others are easy to get to
# build, for example miscutils/dc needs -lm and most of loginutils/* needs
# -lcrypt...
# Query applets.h to figure out which need something funky
rm -rf build
mkdir build
strange_names=`sed -rn -e 's/\#.*//' -e 's/.*APPLET_NOUSAGE\(([^,]*),([^,]*),.*/\1 \2/p' -e 's/.*APPLET_ODDNAME\(([^,]*),([^,]*),.*, *([^)]*).*/\1 \2@\3/p' include/applets.h`
function bonkname()
{
while [ $# -gt 0 ]
do
if [ "$APPLET" == "$1" ]
then
APPFILT="${2/@*/}"
if [ "${APPFILT}" == "$2" ]
then
HELPNAME='"nousage\n"'
else
HELPNAME="${2/*@/}"_full_usage
fi
break
fi
shift 2
done
#echo APPLET=${APPLET} APPFILT=${APPFILT} HELPNAME=${HELPNAME} 2=${2}
}
for APPLET in `sed 's .*/ ' busybox.links`
do
APPFILT=${APPLET/-/_}
j=`find . -name "${APPLET/-/?}.c"` # Because ether-wake.c is broken.
export APPLET
export APPFILT=${APPLET}
export HELPNAME=${APPLET}_full_usage
bonkname $strange_names
j=`find . -name "${APPFILT}.c"`
if [ -z "$j" ]
then
echo no file for $APPLET
else
echo "Building $APPLET..."
echo "Building $APPLET"
gcc -Os -o build/$APPLET applets/individual.c $j \
`extra_libraries $APPFILT` libbb/libbb.a -Iinclude \
-DBUILD_INDIVIDUAL \
"-Drun_applet_by_name(...)" "-Dfind_applet_by_name(...) 0" \
-DAPPLET_main=${APPFILT}_main -DAPPLET_full_usage=${APPFILT}_full_usage
-DAPPLET_main=${APPFILT}_main -DAPPLET_full_usage=${HELPNAME}
if [ $? -ne 0 ];
then
echo "Failed."
echo "Failed $APPLET"
fi
fi
done