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inflate() does not update strm.adler with DFLTCC. Add a missing assignment to dfltcc_inflate() to fix this. Note that deflate() is not affected. Also add a test to prevent regressions.
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/* GH-1066 - inflate small amount of data and validate with adler32 checksum. */
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#include "zbuild.h"
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#ifdef ZLIB_COMPAT
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# include "zlib.h"
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#else
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# include "zlib-ng.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "test_shared.h"
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#include <gtest/gtest.h>
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const char* original = "The quick brown fox jumped over the lazy dog";
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z_const unsigned char compressed[] = {
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0x78, 0x9c, 0x0b, 0xc9, 0x48, 0x55, 0x28, 0x2c, 0xcd, 0x4c, 0xce, 0x56, 0x48,
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0x2a, 0xca, 0x2f, 0xcf, 0x53, 0x48, 0xcb, 0xaf, 0x50, 0xc8, 0x2a, 0xcd, 0x2d,
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0x48, 0x4d, 0x51, 0xc8, 0x2f, 0x4b, 0x2d, 0x52, 0x28, 0xc9, 0x48, 0x55, 0xc8,
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0x49, 0xac, 0xaa, 0x54, 0x48, 0xc9, 0x4f, 0x07, 0x00, 0x6b, 0x93, 0x10, 0x30
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};
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TEST(inflate, adler32) {
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unsigned char uncompressed[1024];
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PREFIX3(stream) strm;
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memset(&strm, 0, sizeof(strm));
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int err = PREFIX(inflateInit2)(&strm, 32 + MAX_WBITS);
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EXPECT_EQ(err, Z_OK);
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strm.next_in = compressed;
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strm.avail_in = sizeof(compressed);
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strm.next_out = uncompressed;
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strm.avail_out = sizeof(uncompressed);
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err = PREFIX(inflate)(&strm, Z_NO_FLUSH);
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EXPECT_EQ(err, Z_STREAM_END);
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EXPECT_EQ(strm.adler, 0x6b931030);
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err = PREFIX(inflateEnd)(&strm);
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EXPECT_EQ(err, Z_OK);
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EXPECT_TRUE(memcmp(uncompressed, original, MIN(strm.total_out, strlen(original))) == 0);
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}
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