3c33abc520
A function used only in the OpenBSD-Kernel as of now, but it surely provides a helpful interface when you just don't want to make sure the incoming pointer to erealloc() is really NULL so it behaves like malloc, making it a bit more safer. Talking about *allocarray(): It's definitely a major step in code- hardening. Especially as a system administrator, you should be able to trust your core tools without having to worry about segfaults like this, which can easily lead to privilege escalation. How do the GNU coreutils handle this? $ strings -n 4611686018427387903 strings: invalid minimum string length -1 $ strings -n 4611686018427387904 strings: invalid minimum string length 0 They silently overflow... In comparison, sbase: $ strings -n 4611686018427387903 mallocarray: out of memory $ strings -n 4611686018427387904 mallocarray: out of memory The first out of memory is actually a true OOM returned by malloc, whereas the second one is a detected overflow, which is not marked in a special way. Now tell me which diagnostic error-messages are easier to understand.
238 lines
5.1 KiB
Makefile
238 lines
5.1 KiB
Makefile
include config.mk
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.SUFFIXES:
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.SUFFIXES: .o .c
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HDR =\
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arg.h\
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compat.h\
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crypt.h\
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fs.h\
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md5.h\
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queue.h\
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sha1.h\
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sha256.h\
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sha512.h\
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text.h\
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utf.h\
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util.h
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LIBUTF = libutf.a
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LIBUTFSRC =\
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libutf/rune.c\
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libutf/runetype.c\
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libutf/utf.c\
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libutf/utftorunestr.c\
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libutf/fgetrune.c\
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libutf/fputrune.c\
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libutf/isalnumrune.c\
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libutf/isalpharune.c\
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libutf/isblankrune.c\
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libutf/iscntrlrune.c\
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libutf/isdigitrune.c\
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libutf/isgraphrune.c\
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libutf/isprintrune.c\
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libutf/ispunctrune.c\
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libutf/isspacerune.c\
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libutf/istitlerune.c\
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libutf/isxdigitrune.c\
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libutf/lowerrune.c\
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libutf/upperrune.c
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LIBUTIL = libutil.a
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LIBUTILSRC =\
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libutil/agetcwd.c\
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libutil/apathmax.c\
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libutil/concat.c\
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libutil/cp.c\
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libutil/crypt.c\
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libutil/ealloc.c\
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libutil/enmasse.c\
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libutil/eprintf.c\
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libutil/eregcomp.c\
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libutil/estrtod.c\
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libutil/fnck.c\
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libutil/getlines.c\
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libutil/human.c\
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libutil/mallocarray.c\
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libutil/md5.c\
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libutil/mode.c\
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libutil/putword.c\
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libutil/reallocarray.c\
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libutil/recurse.c\
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libutil/rm.c\
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libutil/sha1.c\
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libutil/sha256.c\
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libutil/sha512.c\
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libutil/strcasestr.c\
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libutil/strlcat.c\
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libutil/strlcpy.c\
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libutil/strsep.c\
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libutil/strtonum.c\
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libutil/unescape.c
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LIB = $(LIBUTF) $(LIBUTIL)
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BIN =\
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basename\
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cal\
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cat\
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chgrp\
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chmod\
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chown\
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chroot\
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cksum\
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cmp\
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cols\
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col\
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comm\
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cp\
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cron\
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cut\
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date\
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dirname\
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du\
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echo\
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env\
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expand\
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expr\
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false\
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find\
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fold\
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grep\
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head\
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hostname\
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kill\
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link\
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ln\
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logger\
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logname\
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ls\
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md5sum\
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mkdir\
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mkfifo\
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mktemp\
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mv\
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nice\
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nl\
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nohup\
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paste\
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printenv\
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printf\
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pwd\
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readlink\
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renice\
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rm\
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rmdir\
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sed\
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seq\
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setsid\
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sha1sum\
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sha256sum\
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sha512sum\
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sleep\
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sort\
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split\
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sponge\
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strings\
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sync\
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tail\
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tar\
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tee\
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test\
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time\
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touch\
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tr\
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true\
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tty\
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uname\
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unexpand\
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uniq\
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unlink\
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uudecode\
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uuencode\
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wc\
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xargs\
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yes
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LIBUTFOBJ = $(LIBUTFSRC:.c=.o)
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LIBUTILOBJ = $(LIBUTILSRC:.c=.o)
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OBJ = $(BIN:=.o) $(LIBUTFOBJ) $(LIBUTILOBJ)
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SRC = $(BIN:=.c)
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MAN = $(BIN:=.1)
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all: $(BIN)
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$(BIN): $(LIB) $(@:=.o)
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$(OBJ): $(HDR) config.mk
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.o:
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$(LD) $(LDFLAGS) -o $@ $< $(LIB)
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.c.o:
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$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ -c $<
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$(LIBUTF): $(LIBUTFOBJ)
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$(AR) rc $@ $?
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$(RANLIB) $@
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$(LIBUTIL): $(LIBUTILOBJ)
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$(AR) rc $@ $?
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$(RANLIB) $@
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install: all
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mkdir -p $(DESTDIR)$(PREFIX)/bin
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cp -f $(BIN) $(DESTDIR)$(PREFIX)/bin
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cd $(DESTDIR)$(PREFIX)/bin && ln -f test [ && chmod 755 $(BIN)
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mkdir -p $(DESTDIR)$(MANPREFIX)/man1
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for m in $(MAN); do sed "s/^\.Os sbase/.Os sbase $(VERSION)/g" < "$$m" > $(DESTDIR)$(MANPREFIX)/man1/"$$m"; done
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cd $(DESTDIR)$(MANPREFIX)/man1 && chmod 644 $(MAN)
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uninstall:
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cd $(DESTDIR)$(PREFIX)/bin && rm -f $(BIN)
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cd $(DESTDIR)$(MANPREFIX)/man1 && rm -f $(MAN)
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dist: clean
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mkdir -p sbase-$(VERSION)
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cp -r LICENSE Makefile README TODO config.mk $(SRC) $(MAN) libutf libutil $(HDR) sbase-$(VERSION)
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tar -cf sbase-$(VERSION).tar sbase-$(VERSION)
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gzip sbase-$(VERSION).tar
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rm -rf sbase-$(VERSION)
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sbase-box: $(LIB) $(SRC)
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mkdir -p build
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cp $(HDR) build
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for f in $(SRC); do sed "s/^main(/$${f%.c}_&/" < $$f > build/$$f; done
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echo '#include <libgen.h>' > build/$@.c
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echo '#include <stdio.h>' >> build/$@.c
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echo '#include <stdlib.h>' >> build/$@.c
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echo '#include <string.h>' >> build/$@.c
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echo '#include "util.h"' >> build/$@.c
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for f in $(SRC); do echo "int $${f%.c}_main(int, char **);"; done >> build/$@.c
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echo 'int main(int argc, char *argv[]) { char *s = basename(argv[0]);' >> build/$@.c
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echo 'if(!strcmp(s,"sbase-box")) { argc--; argv++; s = basename(argv[0]); } if(0) ;' >> build/$@.c
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echo "else if (!strcmp(s, \"[\")) return test_main(argc, argv);" >> build/$@.c
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for f in $(SRC); do echo "else if(!strcmp(s, \"$${f%.c}\")) return $${f%.c}_main(argc, argv);"; done >> build/$@.c
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echo 'else { fputs("[ ", stdout);' >> build/$@.c
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for f in $(SRC); do echo "fputs(\"$${f%.c} \", stdout);"; done >> build/$@.c
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echo 'putchar(0xa); }; return 0; }' >> build/$@.c
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$(LD) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $@ build/*.c $(LIB)
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rm -r build
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sbase-box-install: sbase-box
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mkdir -p $(DESTDIR)$(PREFIX)/bin
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cp -f sbase-box $(DESTDIR)$(PREFIX)/bin
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chmod 755 $(DESTDIR)$(PREFIX)/bin/sbase-box
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for f in $(BIN); do ln -sf sbase-box $(DESTDIR)$(PREFIX)/bin/"$$f"; done
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ln -sf sbase-box $(DESTDIR)$(PREFIX)/bin/[
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mkdir -p $(DESTDIR)$(MANPREFIX)/man1
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for m in $(MAN); do sed "s/^\.Os sbase/.Os sbase $(VERSION)/g" < "$$m" > $(DESTDIR)$(MANPREFIX)/man1/"$$m"; done
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cd $(DESTDIR)$(MANPREFIX)/man1 && chmod 644 $(MAN)
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clean:
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rm -f $(BIN) $(OBJ) $(LIB) sbase-box sbase-$(VERSION).tar.gz
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.PHONY:
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all install uninstall dist sbase-box clean
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