1 files changed, 0 insertions, 372 deletions
diff --git a/src/sash/cmd_dd.c b/src/sash/cmd_dd.c
deleted file mode 100644
index 80338b6..0000000
--- a/src/sash/cmd_dd.c
+++ /dev/null
@@ -1,372 +0,0 @@
-/*
- * Copyright (c) 2014 by David I. Bell
- * Permission is granted to use, distribute, or modify this source,
- * provided that this copyright notice remains intact.
- *
- * The "dd" built-in command.
- */
-
-#include "sash.h"
-
-
-#define	PAR_NONE	0
-#define	PAR_IF		1
-#define	PAR_OF		2
-#define	PAR_BS		3
-#define	PAR_COUNT	4
-#define	PAR_SEEK	5
-#define	PAR_SKIP	6
-
-
-typedef	struct
-{
-	const char *	name;
-	int		value;
-} PARAM;
-
-
-static const PARAM	params[] =
-{
-	{"if",		PAR_IF},
-	{"of",		PAR_OF},
-	{"bs",		PAR_BS},
-	{"count",	PAR_COUNT},
-	{"seek",	PAR_SEEK},
-	{"skip",	PAR_SKIP},
-	{NULL,		PAR_NONE}
-};
-
-
-static	long	getNum(const char * cp);
-
-
-int
-do_dd(int argc, const char ** argv)
-{
-	const char *	str;
-	const PARAM *	par;
-	const char *	inFile;
-	const char *	outFile;
-	char *		cp;
-	int		inFd;
-	int		outFd;
-	int		inCc;
-	int		outCc;
-	int		blockSize;
-	long		count;
-	long		seekVal;
-	long		skipVal;
-	long		inFull;
-	long		inPartial;
-	long		outFull;
-	long		outPartial;
-	char *		buf;
-	char		localBuf[BUF_SIZE];
-	int		r;
-
-	inFile = NULL;
-	outFile = NULL;
-	seekVal = 0;
-	skipVal = 0;
-	blockSize = 512;
-	count = -1;
-	r = 0;
-
-	while (--argc > 0)
-	{
-		str = *++argv;
-		cp = strchr(str, '=');
-
-		if (cp == NULL)
-		{
-			fprintf(stderr, "Bad dd argument\n");
-
-			return 1;
-		}
-
-		*cp++ = '\0';
-
-		for (par = params; par->name; par++)
-		{
-			if (strcmp(str, par->name) == 0)
-				break;
-		}
-
-		switch (par->value)
-		{
-			case PAR_IF:
-				if (inFile)
-				{
-					fprintf(stderr, "Multiple input files illegal\n");
-
-					return 1;
-				}
-	
-				inFile = cp;
-				break;
-
-			case PAR_OF:
-				if (outFile)
-				{
-					fprintf(stderr, "Multiple output files illegal\n");
-
-					return 1;
-				}
-
-				outFile = cp;
-				break;
-
-			case PAR_BS:
-				blockSize = getNum(cp);
-
-				if (blockSize <= 0)
-				{
-					fprintf(stderr, "Bad block size value\n");
-
-					return 1;
-				}
-
-				break;
-
-			case PAR_COUNT:
-				count = getNum(cp);
-
-				if (count < 0)
-				{
-					fprintf(stderr, "Bad count value\n");
-
-					return 1;
-				}
-
-				break;
-
-			case PAR_SEEK:
-				seekVal = getNum(cp);
-
-				if (seekVal < 0)
-				{
-					fprintf(stderr, "Bad seek value\n");
-
-					return 1;
-				}
-
-				break;
-
-			case PAR_SKIP:
-				skipVal = getNum(cp);
-
-				if (skipVal < 0)
-				{
-					fprintf(stderr, "Bad skip value\n");
-
-					return 1;
-				}
-
-				break;
-
-			default:
-				fprintf(stderr, "Unknown dd parameter\n");
-
-				return 1;
-		}
-	}
-
-	if (inFile == NULL)
-	{
-		fprintf(stderr, "No input file specified\n");
-
-		return 1;
-	}
-
-	if (outFile == NULL)
-	{
-		fprintf(stderr, "No output file specified\n");
-
-		return 1;
-	}
-
-	buf = localBuf;
-
-	if (blockSize > sizeof(localBuf))
-	{
-		buf = malloc(blockSize);
-
-		if (buf == NULL)
-		{
-			fprintf(stderr, "Cannot allocate buffer\n");
-
-			return 1;
-		}
-	}
-
-	inFull = 0;
-	inPartial = 0;
-	outFull = 0;
-	outPartial = 0;
-
-	inFd = open(inFile, 0);
-
-	if (inFd < 0)
-	{
-		perror(inFile);
-
-		if (buf != localBuf)
-			free(buf);
-
-		return 1;
-	}
-
-	outFd = creat(outFile, 0666);
-
-	if (outFd < 0)
-	{
-		perror(outFile);
-		close(inFd);
-
-		if (buf != localBuf)
-			free(buf);
-
-		return 1;
-	}
-
-	if (skipVal)
-	{
-		if (lseek(inFd, skipVal * blockSize, 0) < 0)
-		{
-			while (skipVal-- > 0)
-			{
-				inCc = read(inFd, buf, blockSize);
-
-				if (inCc < 0)
-				{
-					perror(inFile);
-					r = 1;
-					goto cleanup;
-				}
-
-				if (inCc == 0)
-				{
-					fprintf(stderr, "End of file while skipping\n");
-					r = 1;
-					goto cleanup;
-				}
-			}
-		}
-	}
-
-	if (seekVal)
-	{
-		if (lseek(outFd, seekVal * blockSize, 0) < 0)
-		{
-			perror(outFile);
-			r = 1;
-			goto cleanup;
-		}
-	}
-
-	inCc = 0;
-
-	while (((count < 0) || (inFull + inPartial < count)) &&
-	       (inCc = read(inFd, buf, blockSize)) > 0)
-	{
-		if (inCc < blockSize)
-			inPartial++;
-		else
-			inFull++;
-		cp = buf;
-
-		if (intFlag)
-		{
-			fprintf(stderr, "Interrupted\n");
-			r = 1;
-			goto cleanup;
-		}
-
-		while (inCc > 0)
-		{
-			outCc = write(outFd, cp, inCc);
-
-			if (outCc < 0)
-			{
-				perror(outFile);
-				r = 1;
-				goto cleanup;
-			}
-
-			if (outCc < blockSize)
-				outPartial++;
-			else
-				outFull++;
-			cp += outCc;
-			inCc -= outCc;
-		}
-	}
-
-	if (inCc < 0)
-		perror(inFile);
-
-cleanup:
-	close(inFd);
-
-	if (close(outFd) < 0)
-	{
-		perror(outFile);
-		r = 1;
-	}
-
-	if (buf != localBuf)
-		free(buf);
-
-	printf("%ld+%ld records in\n", inFull, inPartial);
-
-	printf("%ld+%ld records out\n", outFull, outPartial);
-
-	return r;
-}
-
-
-/*
- * Read a number with a possible multiplier.
- * Returns -1 if the number format is illegal.
- */
-static long
-getNum(const char * cp)
-{
-	long	value;
-
-	if (!isDecimal(*cp))
-		return -1;
-
-	value = 0;
-
-	while (isDecimal(*cp))
-		value = value * 10 + *cp++ - '0';
-
-	switch (*cp++)
-	{
-		case 'k':
-			value *= 1024;
-			break;
-
-		case 'b':
-			value *= 512;
-			break;
-
-		case 'w':
-			value *= 2;
-			break;
-
-		case '\0':
-			return value;
-
-		default:
-			return -1;
-	}
-
-	if (*cp)
-		return -1;
-
-	return value;
-}
-
-/* END CODE */