Add a '-p' option to md5. This will save some time in generation of the
ctm deltas.
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parent
671e2cee97
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23b406e176
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=6725
@ -3,7 +3,7 @@
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md5 \- calculate a message-digest fingerprint (checksum) for a file
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md5 \- calculate a message-digest fingerprint (checksum) for a file
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.SH SYNOPSIS
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.SH SYNOPSIS
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.B md5
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.B md5
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[ -t | -x | -sstring | filename(s) ]
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[ -p | -t | -x | -sstring | filename(s) ]
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.SH DESCRIPTION
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.SH DESCRIPTION
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.B md5
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.B md5
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takes as input a message of arbitrary length and produces
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takes as input a message of arbitrary length and produces
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@ -26,6 +26,9 @@ must be the last objects on the command line.
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.B -sstring
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.B -sstring
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prints a checksum of the given "string".
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prints a checksum of the given "string".
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.PP
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.PP
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.B -p
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echos stdin to stdout and appends the MD5 sum to stdout.
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.PP
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.B -t
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.B -t
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runs a built-in time trial.
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runs a built-in time trial.
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.PP
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.PP
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@ -1,5 +1,5 @@
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/*
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/*
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* $Id$
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* $Id: md5.c,v 1.2 1995/02/20 00:48:50 phk Exp $
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*
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*
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* Derived from:
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* Derived from:
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*/
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*/
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@ -36,7 +36,7 @@
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static void MDString PROTO_LIST((char *));
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static void MDString PROTO_LIST((char *));
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static void MDTimeTrial PROTO_LIST((void));
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static void MDTimeTrial PROTO_LIST((void));
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static void MDTestSuite PROTO_LIST((void));
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static void MDTestSuite PROTO_LIST((void));
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static void MDFilter PROTO_LIST((void));
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static void MDFilter PROTO_LIST((int));
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/* Main driver.
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/* Main driver.
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@ -61,6 +61,8 @@ main(argc, argv)
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MDString(argv[i] + 2);
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MDString(argv[i] + 2);
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else if (strcmp(argv[i], "-t") == 0)
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else if (strcmp(argv[i], "-t") == 0)
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MDTimeTrial();
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MDTimeTrial();
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else if (strcmp(argv[i], "-p") == 0)
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MDFilter(1);
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else if (strcmp(argv[i], "-x") == 0)
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else if (strcmp(argv[i], "-x") == 0)
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MDTestSuite();
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MDTestSuite();
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else {
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else {
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@ -71,7 +73,7 @@ main(argc, argv)
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printf("MD5 (%s) = %s\n", argv[i], p);
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printf("MD5 (%s) = %s\n", argv[i], p);
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}
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}
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else
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else
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MDFilter();
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MDFilter(0);
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return (0);
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return (0);
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}
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}
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@ -94,7 +96,7 @@ MDTimeTrial()
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{
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{
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MD5_CTX context;
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MD5_CTX context;
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time_t endTime, startTime;
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time_t endTime, startTime;
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unsigned char block[TEST_BLOCK_LEN], digest[16];
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unsigned char block[TEST_BLOCK_LEN];
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unsigned int i;
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unsigned int i;
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char *p;
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char *p;
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@ -151,14 +153,17 @@ MDTestSuite()
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* Digests the standard input and prints the result.
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* Digests the standard input and prints the result.
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*/
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*/
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static void
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static void
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MDFilter()
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MDFilter(int pipe)
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{
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{
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MD5_CTX context;
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MD5_CTX context;
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int len;
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int len;
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unsigned char buffer[BUFSIZ], digest[16];
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unsigned char buffer[BUFSIZ], digest[16];
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MD5Init(&context);
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MD5Init(&context);
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while (len = fread(buffer, 1, BUFSIZ, stdin))
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while (len = fread(buffer, 1, BUFSIZ, stdin)) {
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if(pipe && (len != fwrite(buffer, 1, len, stdout)))
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perror(stdout);
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MD5Update(&context, buffer, len);
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MD5Update(&context, buffer, len);
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}
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printf("%s\n", MD5End(&context));
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printf("%s\n", MD5End(&context));
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}
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}
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