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-rw-r--r--docs/new-applet-HOWTO.txt3
-rwxr-xr-xscripts/individual129
-rwxr-xr-xscripts/mkdiff_obj23
3 files changed, 16 insertions, 139 deletions
diff --git a/docs/new-applet-HOWTO.txt b/docs/new-applet-HOWTO.txt
index 8a825b9..bb29999 100644
--- a/docs/new-applet-HOWTO.txt
+++ b/docs/new-applet-HOWTO.txt
@@ -19,8 +19,7 @@ such as who you stole the code from and so forth. Also include the mini-GPL
boilerplate. Be sure to name the main function <applet>_main instead of main.
And be sure to put it in <applet>.c. Usage does not have to be taken care of by
your applet.
-Make sure to #include "libbb.h" as the first include file in your applet so
-the bb_config.h and appropriate platform specific files are included properly.
+Make sure to #include "libbb.h" as the first include file in your applet.
For a new applet mu, here is the code that would go in mu.c:
diff --git a/scripts/individual b/scripts/individual
deleted file mode 100755
index e93ca55..0000000
--- a/scripts/individual
+++ /dev/null
@@ -1,129 +0,0 @@
-#!/bin/sh
-
-# Compile individual versions of each busybox applet.
-
-if [ $# -eq 0 ]
-then
-
-# 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 $(pwd)/{libbb/libbb.a,archival/libunarchive/libunarchive.a,coreutils/libcoreutils/libcoreutils.a,networking/libiproute/libiproute.a}
-
-else
-# Could very well be that we want to build an individual applet but have no
-# 'build' dir yet..
-
-test -d ./build || mkdir build
-
-fi
-
-# About 3/5 of the applets build from one .c file (with the same name as the
-# corresponding applet), and all it needs to link against. However, to build
-# them all we need more than that.
-
-# Figure out which applets need extra libraries added to their command line.
-
-function substithing()
-{
- if [ "${1/ $3 //}" != "$1" ]
- then
- echo $2
- fi
-}
-
-function extra_libraries()
-{
- # gzip needs gunzip.c (when gunzip is enabled, anyway).
- substithing " gzip " "archival/gunzip.c archival/uncompress.c" "$1"
-
- # init needs init_shared.c
- substithing " init " "init/init_shared.c" "$1"
-
- # ifconfig needs interface.c
- substithing " ifconfig " "networking/interface.c" "$1"
-
- # Applets that need libunarchive.a
- substithing " ar bunzip2 unlzma cpio dpkg gunzip rpm2cpio rpm tar uncompress unzip dpkg_deb gzip " "archival/libunarchive/libunarchive.a" "$1"
-
- # Applets that need libcoreutils.a
- substithing " cp mv " "coreutils/libcoreutils/libcoreutils.a" "$1"
-
- # Applets that need libiproute.a
- substithing " ip " "networking/libiproute/libiproute.a" "$1"
-
- # What needs -libm?
- substithing " awk dc " "-lm" "$1"
-
- # What needs -lcrypt?
- substithing " httpd vlock " "-lcrypt" "$1"
-}
-
-# Query applets.h to figure out which applets need special treatment
-
-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}" == "$2" ]
- then
- HELPNAME='"nousage\n"' # These should be _fixed_.
- else
- HELPNAME="${2/*@/}"_full_usage
- fi
- break
- fi
- shift 2
- done
-#echo APPLET=${APPLET} APPFILT=${APPFILT} HELPNAME=${HELPNAME} 2=${2}
-}
-
-# Iterate through every name in busybox.links
-
-function buildit ()
-{
- export APPLET="$1"
- export APPFILT=${APPLET}
- export HELPNAME=${APPLET}_full_usage
-
- bonkname $strange_names
-
- j=`find archival console-tools coreutils debianutils editors findutils init loginutils miscutils modutils networking procps shell sysklogd util-linux -name "${APPFILT}.c"`
- if [ -z "$j" ]
- then
- echo no file for $APPLET
- else
- echo "Building $APPLET"
- gcc -Os -o build/$APPLET applets/individual.c $j \
- `extra_libraries $APPFILT` libbb/libbb.a -Iinclude \
- -DBUILD_INDIVIDUAL \
- '-Drun_applet_and_exit(...)' '-Dfind_applet_by_name(...)=0' \
- -DAPPLET_main=${APPFILT}_main -DAPPLET_full_usage=${HELPNAME}
- if [ $? -ne 0 ];
- then
- echo "Failed $APPLET"
- fi
- fi
-}
-
-if [ $# -eq 0 ]
-then
- for APPLET in `sed 's .*/ ' busybox.links`
- do
- buildit "$APPLET"
- done
-else
- buildit "$1"
-fi
-
-
-strip build/*
diff --git a/scripts/mkdiff_obj b/scripts/mkdiff_obj
index a6ec5e6..f783491 100755
--- a/scripts/mkdiff_obj
+++ b/scripts/mkdiff_obj
@@ -1,28 +1,35 @@
#!/bin/sh
+usage() {
+ echo "Usage: ${0##*/} DIR1 DIR2"
+ echo
+ echo "Compares all object files recursivelty found in DIR1 and DIR2."
+ echo "Prints diff of their disassembly."
+ echo
+ exit $1
+}
+
filter() {
# sed removes " address: " prefixes which mess up diff
sed $'s/^\\(\t*\\)[ ]*[0-9a-f][0-9a-f]*:[ \t]*/\\1/' \
| sed 's/__GI_//g'
}
-test -d "$1" || exit 1
-test -d "$2" || exit 1
+test -d "$1" || usage 1
+test -d "$2" || usage 1
{
(
cd "$1" || exit 1
- find -name '*.o' -o -name '*.os' # -o -name '*.so'
+ find -name '*.o' # -o -name '*.os' # -o -name '*.so'
)
(
cd "$2" || exit 1
- find -name '*.o' -o -name '*.os' # -o -name '*.so'
+ find -name '*.o' # -o -name '*.os' # -o -name '*.so'
)
} | sed 's:^\./::' | sort | uniq | \
-tee LST | \
(
-IFS=''
-while read -r oname; do
+while IFS='' read -r oname; do
if ! test -f "$1/$oname"; then
echo "Only $2/$oname"
continue
@@ -34,6 +41,6 @@ while read -r oname; do
diff -q -- "$1/$oname" "$2/$oname" >/dev/null && continue
(cd "$1"; objdump -dr "$oname" | filter >"$oname.disasm")
(cd "$2"; objdump -dr "$oname" | filter >"$oname.disasm")
- diff -u "$1/$oname.disasm" "$2/$oname.disasm"
+ diff -u -- "$1/$oname.disasm" "$2/$oname.disasm"
done
)