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Implement md5 checking on decompression.

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Implement hash check flag to determine whether to show md5sum on compression/decompression or not.
This commit is contained in:
Con Kolivas 2011-02-18 15:16:13 +11:00
parent c2417877bc
commit fb2a12744a
3 changed files with 49 additions and 22 deletions
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24
runzip.c
View file

@ -224,16 +224,38 @@ static i64 runzip_chunk(int fd_in, int fd_out, int fd_hist, i64 expected_size, i
*/
i64 runzip_fd(int fd_in, int fd_out, int fd_hist, i64 expected_size)
{
char md5_resblock[MD5_DIGEST_SIZE];
struct timeval start,end;
FILE *md5_stream;
i64 total = 0;
int j;
md5_init_ctx (&control.ctx);
md5_stream = fopen(control.outfile, "r");
if (unlikely(md5_stream == NULL))
fatal("Failed to fdopen md5_stream in runzip_fd\n");
gettimeofday(&start,NULL);
while (total < expected_size)
while (total < expected_size) {
total += runzip_chunk(fd_in, fd_out, fd_hist, expected_size, total);
if (md5_midstream(md5_stream, &control.ctx))
fatal("Failed md5_midstream in runzip_fd\n");
}
gettimeofday(&end,NULL);
print_progress("\nAverage DeCompression Speed: %6.3fMB/s\n",
(total / 1024 / 1024) / (double)((end.tv_sec-start.tv_sec)? : 1));
if (unlikely(fclose(md5_stream)))
fatal("Failed to fclose md5_stream in runzip_fd\n");
md5_finish_ctx (&control.ctx, md5_resblock);
if (HASH_CHECK || VERBOSE) {
print_output("MD5 sum: ");
for (j = 0; j < MD5_DIGEST_SIZE; j++)
print_output("%02x", md5_resblock[j] & 0xFF);
print_output("\n");
}
return total;
}

9
rzip.c
View file

@ -929,11 +929,14 @@ retry:
if (unlikely(munmap(buf, len)))
fatal("Failed to munmap in last md5 calculation in rzip_fd\n");
}
md5_finish_ctx (&control.ctx, md5_resblock);
print_verbose("MD5 sum: ");
if (HASH_CHECK || VERBOSE) {
print_output("MD5 sum: ");
for (j = 0; j < MD5_DIGEST_SIZE; j++)
print_verbose("%02x", md5_resblock[j] & 0xFF);
print_verbose("\n");
print_output("%02x", md5_resblock[j] & 0xFF);
print_output("\n");
}
gettimeofday(&current, NULL);
if (STDIN)

36
rzip.h
View file

@ -195,23 +195,24 @@ static inline i64 get_ram(void)
#define mremap fake_mremap
#endif
#define FLAG_SHOW_PROGRESS 2
#define FLAG_KEEP_FILES 4
#define FLAG_TEST_ONLY 8
#define FLAG_FORCE_REPLACE 16
#define FLAG_DECOMPRESS 32
#define FLAG_NO_COMPRESS 64
#define FLAG_LZO_COMPRESS 128
#define FLAG_BZIP2_COMPRESS 256
#define FLAG_ZLIB_COMPRESS 512
#define FLAG_ZPAQ_COMPRESS 1024
#define FLAG_VERBOSITY 2048
#define FLAG_VERBOSITY_MAX 4096
#define FLAG_STDIN 8192
#define FLAG_STDOUT 16384
#define FLAG_INFO 32768
#define FLAG_MAXRAM 65536
#define FLAG_UNLIMITED 131072
#define FLAG_SHOW_PROGRESS (1 << 0)
#define FLAG_KEEP_FILES (1 << 1)
#define FLAG_TEST_ONLY (1 << 2)
#define FLAG_FORCE_REPLACE (1 << 3)
#define FLAG_DECOMPRESS (1 << 4)
#define FLAG_NO_COMPRESS (1 << 5)
#define FLAG_LZO_COMPRESS (1 << 6)
#define FLAG_BZIP2_COMPRESS (1 << 7)
#define FLAG_ZLIB_COMPRESS (1 << 8)
#define FLAG_ZPAQ_COMPRESS (1 << 9)
#define FLAG_VERBOSITY (1 << 10)
#define FLAG_VERBOSITY_MAX (1 << 11)
#define FLAG_STDIN (1 << 12)
#define FLAG_STDOUT (1 << 13)
#define FLAG_INFO (1 << 14)
#define FLAG_MAXRAM (1 << 15)
#define FLAG_UNLIMITED (1 << 16)
#define FLAG_HASH (1 << 17)
#define FLAG_VERBOSE (FLAG_VERBOSITY | FLAG_VERBOSITY_MAX)
#define FLAG_NOT_LZMA (FLAG_NO_COMPRESS | FLAG_LZO_COMPRESS | FLAG_BZIP2_COMPRESS | FLAG_ZLIB_COMPRESS | FLAG_ZPAQ_COMPRESS)
@ -235,6 +236,7 @@ static inline i64 get_ram(void)
#define INFO (control.flags & FLAG_INFO)
#define MAXRAM (control.flags & FLAG_MAXRAM)
#define UNLIMITED (control.flags & FLAG_UNLIMITED)
#define HASH_CHECK (control.flags & FLAG_HASH)
#define BITS32 (sizeof(long) == 4)