zlib-1.2.8/0000755000076500000240000000000012137337010011606 5ustar madlerstaffzlib-1.2.8/adler32.c0000644000076500000240000001155011632767646013235 0ustar madlerstaff/* adler32.c -- compute the Adler-32 checksum of a data stream * Copyright (C) 1995-2011 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ /* @(#) $Id$ */ #include "zutil.h" #define local static local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2)); #define BASE 65521 /* largest prime smaller than 65536 */ #define NMAX 5552 /* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ #define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;} #define DO2(buf,i) DO1(buf,i); DO1(buf,i+1); #define DO4(buf,i) DO2(buf,i); DO2(buf,i+2); #define DO8(buf,i) DO4(buf,i); DO4(buf,i+4); #define DO16(buf) DO8(buf,0); DO8(buf,8); /* use NO_DIVIDE if your processor does not do division in hardware -- try it both ways to see which is faster */ #ifdef NO_DIVIDE /* note that this assumes BASE is 65521, where 65536 % 65521 == 15 (thank you to John Reiser for pointing this out) */ # define CHOP(a) \ do { \ unsigned long tmp = a >> 16; \ a &= 0xffffUL; \ a += (tmp << 4) - tmp; \ } while (0) # define MOD28(a) \ do { \ CHOP(a); \ if (a >= BASE) a -= BASE; \ } while (0) # define MOD(a) \ do { \ CHOP(a); \ MOD28(a); \ } while (0) # define MOD63(a) \ do { /* this assumes a is not negative */ \ z_off64_t tmp = a >> 32; \ a &= 0xffffffffL; \ a += (tmp << 8) - (tmp << 5) + tmp; \ tmp = a >> 16; \ a &= 0xffffL; \ a += (tmp << 4) - tmp; \ tmp = a >> 16; \ a &= 0xffffL; \ a += (tmp << 4) - tmp; \ if (a >= BASE) a -= BASE; \ } while (0) #else # define MOD(a) a %= BASE # define MOD28(a) a %= BASE # define MOD63(a) a %= BASE #endif /* ========================================================================= */ uLong ZEXPORT adler32(adler, buf, len) uLong adler; const Bytef *buf; uInt len; { unsigned long sum2; unsigned n; /* split Adler-32 into component sums */ sum2 = (adler >> 16) & 0xffff; adler &= 0xffff; /* in case user likes doing a byte at a time, keep it fast */ if (len == 1) { adler += buf[0]; if (adler >= BASE) adler -= BASE; sum2 += adler; if (sum2 >= BASE) sum2 -= BASE; return adler | (sum2 << 16); } /* initial Adler-32 value (deferred check for len == 1 speed) */ if (buf == Z_NULL) return 1L; /* in case short lengths are provided, keep it somewhat fast */ if (len < 16) { while (len--) { adler += *buf++; sum2 += adler; } if (adler >= BASE) adler -= BASE; MOD28(sum2); /* only added so many BASE's */ return adler | (sum2 << 16); } /* do length NMAX blocks -- requires just one modulo operation */ while (len >= NMAX) { len -= NMAX; n = NMAX / 16; /* NMAX is divisible by 16 */ do { DO16(buf); /* 16 sums unrolled */ buf += 16; } while (--n); MOD(adler); MOD(sum2); } /* do remaining bytes (less than NMAX, still just one modulo) */ if (len) { /* avoid modulos if none remaining */ while (len >= 16) { len -= 16; DO16(buf); buf += 16; } while (len--) { adler += *buf++; sum2 += adler; } MOD(adler); MOD(sum2); } /* return recombined sums */ return adler | (sum2 << 16); } /* ========================================================================= */ local uLong adler32_combine_(adler1, adler2, len2) uLong adler1; uLong adler2; z_off64_t len2; { unsigned long sum1; unsigned long sum2; unsigned rem; /* for negative len, return invalid adler32 as a clue for debugging */ if (len2 < 0) return 0xffffffffUL; /* the derivation of this formula is left as an exercise for the reader */ MOD63(len2); /* assumes len2 >= 0 */ rem = (unsigned)len2; sum1 = adler1 & 0xffff; sum2 = rem * sum1; MOD(sum2); sum1 += (adler2 & 0xffff) + BASE - 1; sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem; if (sum1 >= BASE) sum1 -= BASE; if (sum1 >= BASE) sum1 -= BASE; if (sum2 >= (BASE << 1)) sum2 -= (BASE << 1); if (sum2 >= BASE) sum2 -= BASE; return sum1 | (sum2 << 16); } /* ========================================================================= */ uLong ZEXPORT adler32_combine(adler1, adler2, len2) uLong adler1; uLong adler2; z_off_t len2; { return adler32_combine_(adler1, adler2, len2); } uLong ZEXPORT adler32_combine64(adler1, adler2, len2) uLong adler1; uLong adler2; z_off64_t len2; { return adler32_combine_(adler1, adler2, len2); } zlib-1.2.8/amiga/0000755000076500000240000000000011335641107012670 5ustar madlerstaffzlib-1.2.8/amiga/Makefile.pup0000644000076500000240000000367511335641107015146 0ustar madlerstaff# Amiga powerUP (TM) Makefile # makefile for libpng and SAS C V6.58/7.00 PPC compiler # Copyright (C) 1998 by Andreas R. Kleinert LIBNAME = libzip.a CC = scppc CFLAGS = NOSTKCHK NOSINT OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL \ OPTLOOP OPTRDEP=8 OPTDEP=8 OPTCOMP=8 NOVER AR = ppc-amigaos-ar cr RANLIB = ppc-amigaos-ranlib LD = ppc-amigaos-ld -r LDFLAGS = -o LDLIBS = LIB:scppc.a LIB:end.o RM = delete quiet OBJS = adler32.o compress.o crc32.o gzclose.o gzlib.o gzread.o gzwrite.o \ uncompr.o deflate.o trees.o zutil.o inflate.o infback.o inftrees.o inffast.o TEST_OBJS = example.o minigzip.o all: example minigzip check: test test: all example echo hello world | minigzip | minigzip -d $(LIBNAME): $(OBJS) $(AR) $@ $(OBJS) -$(RANLIB) $@ example: example.o $(LIBNAME) $(LD) $(LDFLAGS) $@ LIB:c_ppc.o $@.o $(LIBNAME) $(LDLIBS) minigzip: minigzip.o $(LIBNAME) $(LD) $(LDFLAGS) $@ LIB:c_ppc.o $@.o $(LIBNAME) $(LDLIBS) mostlyclean: clean clean: $(RM) *.o example minigzip $(LIBNAME) foo.gz zip: zip -ul9 zlib README ChangeLog Makefile Make????.??? Makefile.?? \ descrip.mms *.[ch] tgz: cd ..; tar cfz zlib/zlib.tgz zlib/README zlib/ChangeLog zlib/Makefile \ zlib/Make????.??? zlib/Makefile.?? zlib/descrip.mms zlib/*.[ch] # DO NOT DELETE THIS LINE -- make depend depends on it. adler32.o: zlib.h zconf.h compress.o: zlib.h zconf.h crc32.o: crc32.h zlib.h zconf.h deflate.o: deflate.h zutil.h zlib.h zconf.h example.o: zlib.h zconf.h gzclose.o: zlib.h zconf.h gzguts.h gzlib.o: zlib.h zconf.h gzguts.h gzread.o: zlib.h zconf.h gzguts.h gzwrite.o: zlib.h zconf.h gzguts.h inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h infback.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h inftrees.o: zutil.h zlib.h zconf.h inftrees.h minigzip.o: zlib.h zconf.h trees.o: deflate.h zutil.h zlib.h zconf.h trees.h uncompr.o: zlib.h zconf.h zutil.o: zutil.h zlib.h zconf.h zlib-1.2.8/amiga/Makefile.sas0000644000076500000240000000346711335641072015130 0ustar madlerstaff# SMakefile for zlib # Modified from the standard UNIX Makefile Copyright Jean-loup Gailly # Osma Ahvenlampi # Amiga, SAS/C 6.56 & Smake CC=sc CFLAGS=OPT #CFLAGS=OPT CPU=68030 #CFLAGS=DEBUG=LINE LDFLAGS=LIB z.lib SCOPTIONS=OPTSCHED OPTINLINE OPTALIAS OPTTIME OPTINLOCAL STRMERGE \ NOICONS PARMS=BOTH NOSTACKCHECK UTILLIB NOVERSION ERRORREXX \ DEF=POSTINC OBJS = adler32.o compress.o crc32.o gzclose.o gzlib.o gzread.o gzwrite.o \ uncompr.o deflate.o trees.o zutil.o inflate.o infback.o inftrees.o inffast.o TEST_OBJS = example.o minigzip.o all: SCOPTIONS example minigzip check: test test: all example echo hello world | minigzip | minigzip -d install: z.lib copy clone zlib.h zconf.h INCLUDE: copy clone z.lib LIB: z.lib: $(OBJS) oml z.lib r $(OBJS) example: example.o z.lib $(CC) $(CFLAGS) LINK TO $@ example.o $(LDFLAGS) minigzip: minigzip.o z.lib $(CC) $(CFLAGS) LINK TO $@ minigzip.o $(LDFLAGS) mostlyclean: clean clean: -delete force quiet example minigzip *.o z.lib foo.gz *.lnk SCOPTIONS SCOPTIONS: Makefile.sas copy to $@