diff options
author | 2013-01-11 07:32:46 +0000 | |
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committer | 2013-01-11 07:32:46 +0000 | |
commit | 0e19f641d3186cdbf51f8ca857e2b07ab95779c2 (patch) | |
tree | 234109de1123b13f217494af4b3f8efad346d5cc /src/lib/zlib/example.c | |
parent | 111157ca09a9ff60fe4a9ba49173c315e94314fa (diff) |
Cleanups and version bumpmame0148
Diffstat (limited to 'src/lib/zlib/example.c')
-rw-r--r-- | src/lib/zlib/example.c | 856 |
1 files changed, 428 insertions, 428 deletions
diff --git a/src/lib/zlib/example.c b/src/lib/zlib/example.c index f515a4853d6..7c0f645e3b2 100644 --- a/src/lib/zlib/example.c +++ b/src/lib/zlib/example.c @@ -20,10 +20,10 @@ #endif #define CHECK_ERR(err, msg) { \ - if (err != Z_OK) { \ - fprintf(stderr, "%s error: %d\n", msg, err); \ - exit(1); \ - } \ + if (err != Z_OK) { \ + fprintf(stderr, "%s error: %d\n", msg, err); \ + exit(1); \ + } \ } const char hello[] = "hello, hello!"; @@ -36,17 +36,17 @@ uLong dictId; /* Adler32 value of the dictionary */ void test_deflate OF((Byte *compr, uLong comprLen)); void test_inflate OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); + Byte *uncompr, uLong uncomprLen)); void test_large_deflate OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); + Byte *uncompr, uLong uncomprLen)); void test_large_inflate OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); + Byte *uncompr, uLong uncomprLen)); void test_flush OF((Byte *compr, uLong *comprLen)); void test_sync OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); + Byte *uncompr, uLong uncomprLen)); void test_dict_deflate OF((Byte *compr, uLong comprLen)); void test_dict_inflate OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); + Byte *uncompr, uLong uncomprLen)); int main OF((int argc, char *argv[])); @@ -56,17 +56,17 @@ void *myalloc OF((void *, unsigned, unsigned)); void myfree OF((void *, void *)); void *myalloc(q, n, m) - void *q; - unsigned n, m; + void *q; + unsigned n, m; { - q = Z_NULL; - return calloc(n, m); + q = Z_NULL; + return calloc(n, m); } void myfree(void *q, void *p) { - q = Z_NULL; - free(p); + q = Z_NULL; + free(p); } static alloc_func zalloc = myalloc; @@ -78,117 +78,117 @@ static alloc_func zalloc = (alloc_func)0; static free_func zfree = (free_func)0; void test_compress OF((Byte *compr, uLong comprLen, - Byte *uncompr, uLong uncomprLen)); + Byte *uncompr, uLong uncomprLen)); void test_gzio OF((const char *fname, - Byte *uncompr, uLong uncomprLen)); + Byte *uncompr, uLong uncomprLen)); /* =========================================================================== * Test compress() and uncompress() */ void test_compress(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; { - int err; - uLong len = (uLong)strlen(hello)+1; + int err; + uLong len = (uLong)strlen(hello)+1; - err = compress(compr, &comprLen, (const Bytef*)hello, len); - CHECK_ERR(err, "compress"); + err = compress(compr, &comprLen, (const Bytef*)hello, len); + CHECK_ERR(err, "compress"); - strcpy((char*)uncompr, "garbage"); + strcpy((char*)uncompr, "garbage"); - err = uncompress(uncompr, &uncomprLen, compr, comprLen); - CHECK_ERR(err, "uncompress"); + err = uncompress(uncompr, &uncomprLen, compr, comprLen); + CHECK_ERR(err, "uncompress"); - if (strcmp((char*)uncompr, hello)) { - fprintf(stderr, "bad uncompress\n"); - exit(1); - } else { - printf("uncompress(): %s\n", (char *)uncompr); - } + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad uncompress\n"); + exit(1); + } else { + printf("uncompress(): %s\n", (char *)uncompr); + } } /* =========================================================================== * Test read/write of .gz files */ void test_gzio(fname, uncompr, uncomprLen) - const char *fname; /* compressed file name */ - Byte *uncompr; - uLong uncomprLen; + const char *fname; /* compressed file name */ + Byte *uncompr; + uLong uncomprLen; { #ifdef NO_GZCOMPRESS - fprintf(stderr, "NO_GZCOMPRESS -- gz* functions cannot compress\n"); + fprintf(stderr, "NO_GZCOMPRESS -- gz* functions cannot compress\n"); #else - int err; - int len = (int)strlen(hello)+1; - gzFile file; - z_off_t pos; - - file = gzopen(fname, "wb"); - if (file == NULL) { - fprintf(stderr, "gzopen error\n"); - exit(1); - } - gzputc(file, 'h'); - if (gzputs(file, "ello") != 4) { - fprintf(stderr, "gzputs err: %s\n", gzerror(file, &err)); - exit(1); - } - if (gzprintf(file, ", %s!", "hello") != 8) { - fprintf(stderr, "gzprintf err: %s\n", gzerror(file, &err)); - exit(1); - } - gzseek(file, 1L, SEEK_CUR); /* add one zero byte */ - gzclose(file); - - file = gzopen(fname, "rb"); - if (file == NULL) { - fprintf(stderr, "gzopen error\n"); - exit(1); - } - strcpy((char*)uncompr, "garbage"); - - if (gzread(file, uncompr, (unsigned)uncomprLen) != len) { - fprintf(stderr, "gzread err: %s\n", gzerror(file, &err)); - exit(1); - } - if (strcmp((char*)uncompr, hello)) { - fprintf(stderr, "bad gzread: %s\n", (char*)uncompr); - exit(1); - } else { - printf("gzread(): %s\n", (char*)uncompr); - } - - pos = gzseek(file, -8L, SEEK_CUR); - if (pos != 6 || gztell(file) != pos) { - fprintf(stderr, "gzseek error, pos=%ld, gztell=%ld\n", - (long)pos, (long)gztell(file)); - exit(1); - } - - if (gzgetc(file) != ' ') { - fprintf(stderr, "gzgetc error\n"); - exit(1); - } - - if (gzungetc(' ', file) != ' ') { - fprintf(stderr, "gzungetc error\n"); - exit(1); - } - - gzgets(file, (char*)uncompr, (int)uncomprLen); - if (strlen((char*)uncompr) != 7) { /* " hello!" */ - fprintf(stderr, "gzgets err after gzseek: %s\n", gzerror(file, &err)); - exit(1); - } - if (strcmp((char*)uncompr, hello + 6)) { - fprintf(stderr, "bad gzgets after gzseek\n"); - exit(1); - } else { - printf("gzgets() after gzseek: %s\n", (char*)uncompr); - } - - gzclose(file); + int err; + int len = (int)strlen(hello)+1; + gzFile file; + z_off_t pos; + + file = gzopen(fname, "wb"); + if (file == NULL) { + fprintf(stderr, "gzopen error\n"); + exit(1); + } + gzputc(file, 'h'); + if (gzputs(file, "ello") != 4) { + fprintf(stderr, "gzputs err: %s\n", gzerror(file, &err)); + exit(1); + } + if (gzprintf(file, ", %s!", "hello") != 8) { + fprintf(stderr, "gzprintf err: %s\n", gzerror(file, &err)); + exit(1); + } + gzseek(file, 1L, SEEK_CUR); /* add one zero byte */ + gzclose(file); + + file = gzopen(fname, "rb"); + if (file == NULL) { + fprintf(stderr, "gzopen error\n"); + exit(1); + } + strcpy((char*)uncompr, "garbage"); + + if (gzread(file, uncompr, (unsigned)uncomprLen) != len) { + fprintf(stderr, "gzread err: %s\n", gzerror(file, &err)); + exit(1); + } + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad gzread: %s\n", (char*)uncompr); + exit(1); + } else { + printf("gzread(): %s\n", (char*)uncompr); + } + + pos = gzseek(file, -8L, SEEK_CUR); + if (pos != 6 || gztell(file) != pos) { + fprintf(stderr, "gzseek error, pos=%ld, gztell=%ld\n", + (long)pos, (long)gztell(file)); + exit(1); + } + + if (gzgetc(file) != ' ') { + fprintf(stderr, "gzgetc error\n"); + exit(1); + } + + if (gzungetc(' ', file) != ' ') { + fprintf(stderr, "gzungetc error\n"); + exit(1); + } + + gzgets(file, (char*)uncompr, (int)uncomprLen); + if (strlen((char*)uncompr) != 7) { /* " hello!" */ + fprintf(stderr, "gzgets err after gzseek: %s\n", gzerror(file, &err)); + exit(1); + } + if (strcmp((char*)uncompr, hello + 6)) { + fprintf(stderr, "bad gzgets after gzseek\n"); + exit(1); + } else { + printf("gzgets() after gzseek: %s\n", (char*)uncompr); + } + + gzclose(file); #endif } @@ -198,344 +198,344 @@ void test_gzio(fname, uncompr, uncomprLen) * Test deflate() with small buffers */ void test_deflate(compr, comprLen) - Byte *compr; - uLong comprLen; + Byte *compr; + uLong comprLen; { - z_stream c_stream; /* compression stream */ - int err; - uLong len = (uLong)strlen(hello)+1; - - c_stream.zalloc = zalloc; - c_stream.zfree = zfree; - c_stream.opaque = (voidpf)0; - - err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); - CHECK_ERR(err, "deflateInit"); - - c_stream.next_in = (Bytef*)hello; - c_stream.next_out = compr; - - while (c_stream.total_in != len && c_stream.total_out < comprLen) { - c_stream.avail_in = c_stream.avail_out = 1; /* force small buffers */ - err = deflate(&c_stream, Z_NO_FLUSH); - CHECK_ERR(err, "deflate"); - } - /* Finish the stream, still forcing small buffers: */ - for (;;) { - c_stream.avail_out = 1; - err = deflate(&c_stream, Z_FINISH); - if (err == Z_STREAM_END) break; - CHECK_ERR(err, "deflate"); - } - - err = deflateEnd(&c_stream); - CHECK_ERR(err, "deflateEnd"); + z_stream c_stream; /* compression stream */ + int err; + uLong len = (uLong)strlen(hello)+1; + + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); + CHECK_ERR(err, "deflateInit"); + + c_stream.next_in = (Bytef*)hello; + c_stream.next_out = compr; + + while (c_stream.total_in != len && c_stream.total_out < comprLen) { + c_stream.avail_in = c_stream.avail_out = 1; /* force small buffers */ + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + } + /* Finish the stream, still forcing small buffers: */ + for (;;) { + c_stream.avail_out = 1; + err = deflate(&c_stream, Z_FINISH); + if (err == Z_STREAM_END) break; + CHECK_ERR(err, "deflate"); + } + + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); } /* =========================================================================== * Test inflate() with small buffers */ void test_inflate(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; { - int err; - z_stream d_stream; /* decompression stream */ - - strcpy((char*)uncompr, "garbage"); - - d_stream.zalloc = zalloc; - d_stream.zfree = zfree; - d_stream.opaque = (voidpf)0; - - d_stream.next_in = compr; - d_stream.avail_in = 0; - d_stream.next_out = uncompr; - - err = inflateInit(&d_stream); - CHECK_ERR(err, "inflateInit"); - - while (d_stream.total_out < uncomprLen && d_stream.total_in < comprLen) { - d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */ - err = inflate(&d_stream, Z_NO_FLUSH); - if (err == Z_STREAM_END) break; - CHECK_ERR(err, "inflate"); - } - - err = inflateEnd(&d_stream); - CHECK_ERR(err, "inflateEnd"); - - if (strcmp((char*)uncompr, hello)) { - fprintf(stderr, "bad inflate\n"); - exit(1); - } else { - printf("inflate(): %s\n", (char *)uncompr); - } + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = 0; + d_stream.next_out = uncompr; + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + while (d_stream.total_out < uncomprLen && d_stream.total_in < comprLen) { + d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */ + err = inflate(&d_stream, Z_NO_FLUSH); + if (err == Z_STREAM_END) break; + CHECK_ERR(err, "inflate"); + } + + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad inflate\n"); + exit(1); + } else { + printf("inflate(): %s\n", (char *)uncompr); + } } /* =========================================================================== * Test deflate() with large buffers and dynamic change of compression level */ void test_large_deflate(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; { - z_stream c_stream; /* compression stream */ - int err; - - c_stream.zalloc = zalloc; - c_stream.zfree = zfree; - c_stream.opaque = (voidpf)0; - - err = deflateInit(&c_stream, Z_BEST_SPEED); - CHECK_ERR(err, "deflateInit"); - - c_stream.next_out = compr; - c_stream.avail_out = (uInt)comprLen; - - /* At this point, uncompr is still mostly zeroes, so it should compress - * very well: - */ - c_stream.next_in = uncompr; - c_stream.avail_in = (uInt)uncomprLen; - err = deflate(&c_stream, Z_NO_FLUSH); - CHECK_ERR(err, "deflate"); - if (c_stream.avail_in != 0) { - fprintf(stderr, "deflate not greedy\n"); - exit(1); - } - - /* Feed in already compressed data and switch to no compression: */ - deflateParams(&c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY); - c_stream.next_in = compr; - c_stream.avail_in = (uInt)comprLen/2; - err = deflate(&c_stream, Z_NO_FLUSH); - CHECK_ERR(err, "deflate"); - - /* Switch back to compressing mode: */ - deflateParams(&c_stream, Z_BEST_COMPRESSION, Z_FILTERED); - c_stream.next_in = uncompr; - c_stream.avail_in = (uInt)uncomprLen; - err = deflate(&c_stream, Z_NO_FLUSH); - CHECK_ERR(err, "deflate"); - - err = deflate(&c_stream, Z_FINISH); - if (err != Z_STREAM_END) { - fprintf(stderr, "deflate should report Z_STREAM_END\n"); - exit(1); - } - err = deflateEnd(&c_stream); - CHECK_ERR(err, "deflateEnd"); + z_stream c_stream; /* compression stream */ + int err; + + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_BEST_SPEED); + CHECK_ERR(err, "deflateInit"); + + c_stream.next_out = compr; + c_stream.avail_out = (uInt)comprLen; + + /* At this point, uncompr is still mostly zeroes, so it should compress + * very well: + */ + c_stream.next_in = uncompr; + c_stream.avail_in = (uInt)uncomprLen; + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + if (c_stream.avail_in != 0) { + fprintf(stderr, "deflate not greedy\n"); + exit(1); + } + + /* Feed in already compressed data and switch to no compression: */ + deflateParams(&c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY); + c_stream.next_in = compr; + c_stream.avail_in = (uInt)comprLen/2; + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + + /* Switch back to compressing mode: */ + deflateParams(&c_stream, Z_BEST_COMPRESSION, Z_FILTERED); + c_stream.next_in = uncompr; + c_stream.avail_in = (uInt)uncomprLen; + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + + err = deflate(&c_stream, Z_FINISH); + if (err != Z_STREAM_END) { + fprintf(stderr, "deflate should report Z_STREAM_END\n"); + exit(1); + } + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); } /* =========================================================================== * Test inflate() with large buffers */ void test_large_inflate(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; { - int err; - z_stream d_stream; /* decompression stream */ - - strcpy((char*)uncompr, "garbage"); - - d_stream.zalloc = zalloc; - d_stream.zfree = zfree; - d_stream.opaque = (voidpf)0; - - d_stream.next_in = compr; - d_stream.avail_in = (uInt)comprLen; - - err = inflateInit(&d_stream); - CHECK_ERR(err, "inflateInit"); - - for (;;) { - d_stream.next_out = uncompr; /* discard the output */ - d_stream.avail_out = (uInt)uncomprLen; - err = inflate(&d_stream, Z_NO_FLUSH); - if (err == Z_STREAM_END) break; - CHECK_ERR(err, "large inflate"); - } - - err = inflateEnd(&d_stream); - CHECK_ERR(err, "inflateEnd"); - - if (d_stream.total_out != 2*uncomprLen + comprLen/2) { - fprintf(stderr, "bad large inflate: %ld\n", d_stream.total_out); - exit(1); - } else { - printf("large_inflate(): OK\n"); - } + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = (uInt)comprLen; + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + for (;;) { + d_stream.next_out = uncompr; /* discard the output */ + d_stream.avail_out = (uInt)uncomprLen; + err = inflate(&d_stream, Z_NO_FLUSH); + if (err == Z_STREAM_END) break; + CHECK_ERR(err, "large inflate"); + } + + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + if (d_stream.total_out != 2*uncomprLen + comprLen/2) { + fprintf(stderr, "bad large inflate: %ld\n", d_stream.total_out); + exit(1); + } else { + printf("large_inflate(): OK\n"); + } } /* =========================================================================== * Test deflate() with full flush */ void test_flush(compr, comprLen) - Byte *compr; - uLong *comprLen; + Byte *compr; + uLong *comprLen; { - z_stream c_stream; /* compression stream */ - int err; - uInt len = (uInt)strlen(hello)+1; - - c_stream.zalloc = zalloc; - c_stream.zfree = zfree; - c_stream.opaque = (voidpf)0; - - err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); - CHECK_ERR(err, "deflateInit"); - - c_stream.next_in = (Bytef*)hello; - c_stream.next_out = compr; - c_stream.avail_in = 3; - c_stream.avail_out = (uInt)*comprLen; - err = deflate(&c_stream, Z_FULL_FLUSH); - CHECK_ERR(err, "deflate"); - - compr[3]++; /* force an error in first compressed block */ - c_stream.avail_in = len - 3; - - err = deflate(&c_stream, Z_FINISH); - if (err != Z_STREAM_END) { - CHECK_ERR(err, "deflate"); - } - err = deflateEnd(&c_stream); - CHECK_ERR(err, "deflateEnd"); - - *comprLen = c_stream.total_out; + z_stream c_stream; /* compression stream */ + int err; + uInt len = (uInt)strlen(hello)+1; + + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); + CHECK_ERR(err, "deflateInit"); + + c_stream.next_in = (Bytef*)hello; + c_stream.next_out = compr; + c_stream.avail_in = 3; + c_stream.avail_out = (uInt)*comprLen; + err = deflate(&c_stream, Z_FULL_FLUSH); + CHECK_ERR(err, "deflate"); + + compr[3]++; /* force an error in first compressed block */ + c_stream.avail_in = len - 3; + + err = deflate(&c_stream, Z_FINISH); + if (err != Z_STREAM_END) { + CHECK_ERR(err, "deflate"); + } + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); + + *comprLen = c_stream.total_out; } /* =========================================================================== * Test inflateSync() */ void test_sync(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; { - int err; - z_stream d_stream; /* decompression stream */ + int err; + z_stream d_stream; /* decompression stream */ - strcpy((char*)uncompr, "garbage"); + strcpy((char*)uncompr, "garbage"); - d_stream.zalloc = zalloc; - d_stream.zfree = zfree; - d_stream.opaque = (voidpf)0; + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; + d_stream.opaque = (voidpf)0; - d_stream.next_in = compr; - d_stream.avail_in = 2; /* just read the zlib header */ + d_stream.next_in = compr; + d_stream.avail_in = 2; /* just read the zlib header */ - err = inflateInit(&d_stream); - CHECK_ERR(err, "inflateInit"); + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); - d_stream.next_out = uncompr; - d_stream.avail_out = (uInt)uncomprLen; + d_stream.next_out = uncompr; + d_stream.avail_out = (uInt)uncomprLen; - inflate(&d_stream, Z_NO_FLUSH); - CHECK_ERR(err, "inflate"); + inflate(&d_stream, Z_NO_FLUSH); + CHECK_ERR(err, "inflate"); - d_stream.avail_in = (uInt)comprLen-2; /* read all compressed data */ - err = inflateSync(&d_stream); /* but skip the damaged part */ - CHECK_ERR(err, "inflateSync"); + d_stream.avail_in = (uInt)comprLen-2; /* read all compressed data */ + err = inflateSync(&d_stream); /* but skip the damaged part */ + CHECK_ERR(err, "inflateSync"); - err = inflate(&d_stream, Z_FINISH); - if (err != Z_DATA_ERROR) { - fprintf(stderr, "inflate should report DATA_ERROR\n"); - /* Because of incorrect adler32 */ - exit(1); - } - err = inflateEnd(&d_stream); - CHECK_ERR(err, "inflateEnd"); + err = inflate(&d_stream, Z_FINISH); + if (err != Z_DATA_ERROR) { + fprintf(stderr, "inflate should report DATA_ERROR\n"); + /* Because of incorrect adler32 */ + exit(1); + } + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); - printf("after inflateSync(): hel%s\n", (char *)uncompr); + printf("after inflateSync(): hel%s\n", (char *)uncompr); } /* =========================================================================== * Test deflate() with preset dictionary */ void test_dict_deflate(compr, comprLen) - Byte *compr; - uLong comprLen; + Byte *compr; + uLong comprLen; { - z_stream c_stream; /* compression stream */ - int err; - - c_stream.zalloc = zalloc; - c_stream.zfree = zfree; - c_stream.opaque = (voidpf)0; - - err = deflateInit(&c_stream, Z_BEST_COMPRESSION); - CHECK_ERR(err, "deflateInit"); - - err = deflateSetDictionary(&c_stream, - (const Bytef*)dictionary, (int)sizeof(dictionary)); - CHECK_ERR(err, "deflateSetDictionary"); - - dictId = c_stream.adler; - c_stream.next_out = compr; - c_stream.avail_out = (uInt)comprLen; - - c_stream.next_in = (Bytef*)hello; - c_stream.avail_in = (uInt)strlen(hello)+1; - - err = deflate(&c_stream, Z_FINISH); - if (err != Z_STREAM_END) { - fprintf(stderr, "deflate should report Z_STREAM_END\n"); - exit(1); - } - err = deflateEnd(&c_stream); - CHECK_ERR(err, "deflateEnd"); + z_stream c_stream; /* compression stream */ + int err; + + c_stream.zalloc = zalloc; + c_stream.zfree = zfree; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_BEST_COMPRESSION); + CHECK_ERR(err, "deflateInit"); + + err = deflateSetDictionary(&c_stream, + (const Bytef*)dictionary, (int)sizeof(dictionary)); + CHECK_ERR(err, "deflateSetDictionary"); + + dictId = c_stream.adler; + c_stream.next_out = compr; + c_stream.avail_out = (uInt)comprLen; + + c_stream.next_in = (Bytef*)hello; + c_stream.avail_in = (uInt)strlen(hello)+1; + + err = deflate(&c_stream, Z_FINISH); + if (err != Z_STREAM_END) { + fprintf(stderr, "deflate should report Z_STREAM_END\n"); + exit(1); + } + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); } /* =========================================================================== * Test inflate() with a preset dictionary */ void test_dict_inflate(compr, comprLen, uncompr, uncomprLen) - Byte *compr, *uncompr; - uLong comprLen, uncomprLen; + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; { - int err; - z_stream d_stream; /* decompression stream */ - - strcpy((char*)uncompr, "garbage"); - - d_stream.zalloc = zalloc; - d_stream.zfree = zfree; - d_stream.opaque = (voidpf)0; - - d_stream.next_in = compr; - d_stream.avail_in = (uInt)comprLen; - - err = inflateInit(&d_stream); - CHECK_ERR(err, "inflateInit"); - - d_stream.next_out = uncompr; - d_stream.avail_out = (uInt)uncomprLen; - - for (;;) { - err = inflate(&d_stream, Z_NO_FLUSH); - if (err == Z_STREAM_END) break; - if (err == Z_NEED_DICT) { - if (d_stream.adler != dictId) { - fprintf(stderr, "unexpected dictionary"); - exit(1); - } - err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary, - (int)sizeof(dictionary)); - } - CHECK_ERR(err, "inflate with dict"); - } - - err = inflateEnd(&d_stream); - CHECK_ERR(err, "inflateEnd"); - - if (strcmp((char*)uncompr, hello)) { - fprintf(stderr, "bad inflate with dict\n"); - exit(1); - } else { - printf("inflate with dictionary: %s\n", (char *)uncompr); - } + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = zalloc; + d_stream.zfree = zfree; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = (uInt)comprLen; + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + d_stream.next_out = uncompr; + d_stream.avail_out = (uInt)uncomprLen; + + for (;;) { + err = inflate(&d_stream, Z_NO_FLUSH); + if (err == Z_STREAM_END) break; + if (err == Z_NEED_DICT) { + if (d_stream.adler != dictId) { + fprintf(stderr, "unexpected dictionary"); + exit(1); + } + err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary, + (int)sizeof(dictionary)); + } + CHECK_ERR(err, "inflate with dict"); + } + + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad inflate with dict\n"); + exit(1); + } else { + printf("inflate with dictionary: %s\n", (char *)uncompr); + } } /* =========================================================================== @@ -543,59 +543,59 @@ void test_dict_inflate(compr, comprLen, uncompr, uncomprLen) */ int main(argc, argv) - int argc; - char *argv[]; + int argc; + char *argv[]; { - Byte *compr, *uncompr; - uLong comprLen = 10000*sizeof(int); /* don't overflow on MSDOS */ - uLong uncomprLen = comprLen; - static const char* myVersion = ZLIB_VERSION; - - if (zlibVersion()[0] != myVersion[0]) { - fprintf(stderr, "incompatible zlib version\n"); - exit(1); - - } else if (strcmp(zlibVersion(), ZLIB_VERSION) != 0) { - fprintf(stderr, "warning: different zlib version\n"); - } - - printf("zlib version %s = 0x%04x, compile flags = 0x%lx\n", - ZLIB_VERSION, ZLIB_VERNUM, zlibCompileFlags()); - - compr = (Byte*)calloc((uInt)comprLen, 1); - uncompr = (Byte*)calloc((uInt)uncomprLen, 1); - /* compr and uncompr are cleared to avoid reading uninitialized - * data and to ensure that uncompr compresses well. - */ - if (compr == Z_NULL || uncompr == Z_NULL) { - printf("out of memory\n"); - exit(1); - } + Byte *compr, *uncompr; + uLong comprLen = 10000*sizeof(int); /* don't overflow on MSDOS */ + uLong uncomprLen = comprLen; + static const char* myVersion = ZLIB_VERSION; + + if (zlibVersion()[0] != myVersion[0]) { + fprintf(stderr, "incompatible zlib version\n"); + exit(1); + + } else if (strcmp(zlibVersion(), ZLIB_VERSION) != 0) { + fprintf(stderr, "warning: different zlib version\n"); + } + + printf("zlib version %s = 0x%04x, compile flags = 0x%lx\n", + ZLIB_VERSION, ZLIB_VERNUM, zlibCompileFlags()); + + compr = (Byte*)calloc((uInt)comprLen, 1); + uncompr = (Byte*)calloc((uInt)uncomprLen, 1); + /* compr and uncompr are cleared to avoid reading uninitialized + * data and to ensure that uncompr compresses well. + */ + if (compr == Z_NULL || uncompr == Z_NULL) { + printf("out of memory\n"); + exit(1); + } #ifdef Z_SOLO - argc = strlen(argv[0]); + argc = strlen(argv[0]); #else - test_compress(compr, comprLen, uncompr, uncomprLen); + test_compress(compr, comprLen, uncompr, uncomprLen); - test_gzio((argc > 1 ? argv[1] : TESTFILE), - uncompr, uncomprLen); + test_gzio((argc > 1 ? argv[1] : TESTFILE), + uncompr, uncomprLen); #endif - test_deflate(compr, comprLen); - test_inflate(compr, comprLen, uncompr, uncomprLen); + test_deflate(compr, comprLen); + test_inflate(compr, comprLen, uncompr, uncomprLen); - test_large_deflate(compr, comprLen, uncompr, uncomprLen); - test_large_inflate(compr, comprLen, uncompr, uncomprLen); + test_large_deflate(compr, comprLen, uncompr, uncomprLen); + test_large_inflate(compr, comprLen, uncompr, uncomprLen); - test_flush(compr, &comprLen); - test_sync(compr, comprLen, uncompr, uncomprLen); - comprLen = uncomprLen; + test_flush(compr, &comprLen); + test_sync(compr, comprLen, uncompr, uncomprLen); + comprLen = uncomprLen; - test_dict_deflate(compr, comprLen); - test_dict_inflate(compr, comprLen, uncompr, uncomprLen); + test_dict_deflate(compr, comprLen); + test_dict_inflate(compr, comprLen, uncompr, uncomprLen); - free(compr); - free(uncompr); + free(compr); + free(uncompr); - return 0; + return 0; } |