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authorEric Andersen <andersen@codepoet.org>1999-10-13 00:53:55 +0000
committerEric Andersen <andersen@codepoet.org>1999-10-13 00:53:55 +0000
commit5de3065f5870526a68adee314fe181af976a9246 (patch)
tree8d6e0362cd3fad719451cb395d7f340fa21b85a7
parent3cf52d19581b2077480e7d2e63010baa1f5399c1 (diff)
downloadbusybox-5de3065f5870526a68adee314fe181af976a9246.tar.gz
Fixed dd
-rw-r--r--coreutils/dd.c33
-rw-r--r--dd.c33
2 files changed, 32 insertions, 34 deletions
diff --git a/coreutils/dd.c b/coreutils/dd.c
index 40288fd4d..ecf7e3a3d 100644
--- a/coreutils/dd.c
+++ b/coreutils/dd.c
@@ -20,7 +20,7 @@ const char dd_usage[] =
usage: [if=name] [of=name] [bs=n] [count=n]\n\
\tif=FILE\tread from FILE instead of stdin\n\
\tof=FILE\twrite to FILE instead of stout\n\
-\tbs=n\tread and write N bytes at a time\n\
+\tbs=n\tread and write N BYTES at a time\n\
\tcount=n\tcopy only n input blocks\n\
\tskip=n\tskip n input blocks\n\
\n\
@@ -100,25 +100,25 @@ extern int dd_main (int argc, char **argv)
/* Parse any options */
while (argc) {
- if (inFile == NULL && (strncmp("if", *argv, 2) == 0))
- inFile=*argv;
- else if (outFile == NULL && (strncmp("of", *argv, 2) == 0))
- outFile=*argv;
+ if (inFile == NULL && (strncmp(*argv, "if", 2) == 0))
+ inFile=((strchr(*argv, '='))+1);
+ else if (outFile == NULL && (strncmp(*argv, "of", 2) == 0))
+ outFile=((strchr(*argv, '='))+1);
else if (strncmp("count", *argv, 5) == 0) {
- count = getNum (*argv);
+ count = getNum ((strchr(*argv, '='))+1);
if (count <= 0) {
fprintf (stderr, "Bad count value %ld\n", count);
goto usage;
}
}
- else if (strncmp("bs", *argv, 2) == 0) {
- blockSize = getNum(*argv);
+ else if (strncmp(*argv, "bs", 2) == 0) {
+ blockSize = getNum ((strchr(*argv, '='))+1);
if (blockSize <= 0) {
fprintf (stderr, "Bad block size value %d\n", blockSize);
goto usage;
}
}
- else if (strncmp("skip", *argv, 4) == 0) {
+ else if (strncmp(*argv, "skip", 4) == 0) {
skipBlocks = atoi( *argv);
if (skipBlocks <= 0) {
fprintf (stderr, "Bad skip value %d\n", skipBlocks);
@@ -129,10 +129,9 @@ extern int dd_main (int argc, char **argv)
else {
fprintf (stderr, "Got here. argv=%s\n", *argv);
goto usage;
-
+ }
argc--;
argv++;
- }
}
if ( inFile == NULL || outFile == NULL)
goto usage;
@@ -140,13 +139,13 @@ extern int dd_main (int argc, char **argv)
buf = malloc (blockSize);
if (buf == NULL) {
fprintf (stderr, "Cannot allocate buffer\n");
- return( FALSE);
+ exit( FALSE);
}
intotal = 0;
outTotal = 0;
- if (!inFile)
+ if (inFile == NULL)
inFd = STDIN;
else
inFd = open (inFile, 0);
@@ -154,10 +153,10 @@ extern int dd_main (int argc, char **argv)
if (inFd < 0) {
perror (inFile);
free (buf);
- return( FALSE);
+ exit( FALSE);
}
- if (!outFile)
+ if (outFile == NULL)
outFd = STDOUT;
else
outFd = creat (outFile, 0666);
@@ -166,10 +165,10 @@ extern int dd_main (int argc, char **argv)
perror (outFile);
close (inFd);
free (buf);
- return( FALSE);
+ exit( FALSE);
}
- lseek(inFd, skipBlocks*blockSize, SEEK_SET);
+ //lseek(inFd, skipBlocks*blockSize, SEEK_SET);
while (outTotal < count * blockSize) {
inCc = read (inFd, buf, blockSize);
if (inCc < 0) {
diff --git a/dd.c b/dd.c
index 40288fd4d..ecf7e3a3d 100644
--- a/dd.c
+++ b/dd.c
@@ -20,7 +20,7 @@ const char dd_usage[] =
usage: [if=name] [of=name] [bs=n] [count=n]\n\
\tif=FILE\tread from FILE instead of stdin\n\
\tof=FILE\twrite to FILE instead of stout\n\
-\tbs=n\tread and write N bytes at a time\n\
+\tbs=n\tread and write N BYTES at a time\n\
\tcount=n\tcopy only n input blocks\n\
\tskip=n\tskip n input blocks\n\
\n\
@@ -100,25 +100,25 @@ extern int dd_main (int argc, char **argv)
/* Parse any options */
while (argc) {
- if (inFile == NULL && (strncmp("if", *argv, 2) == 0))
- inFile=*argv;
- else if (outFile == NULL && (strncmp("of", *argv, 2) == 0))
- outFile=*argv;
+ if (inFile == NULL && (strncmp(*argv, "if", 2) == 0))
+ inFile=((strchr(*argv, '='))+1);
+ else if (outFile == NULL && (strncmp(*argv, "of", 2) == 0))
+ outFile=((strchr(*argv, '='))+1);
else if (strncmp("count", *argv, 5) == 0) {
- count = getNum (*argv);
+ count = getNum ((strchr(*argv, '='))+1);
if (count <= 0) {
fprintf (stderr, "Bad count value %ld\n", count);
goto usage;
}
}
- else if (strncmp("bs", *argv, 2) == 0) {
- blockSize = getNum(*argv);
+ else if (strncmp(*argv, "bs", 2) == 0) {
+ blockSize = getNum ((strchr(*argv, '='))+1);
if (blockSize <= 0) {
fprintf (stderr, "Bad block size value %d\n", blockSize);
goto usage;
}
}
- else if (strncmp("skip", *argv, 4) == 0) {
+ else if (strncmp(*argv, "skip", 4) == 0) {
skipBlocks = atoi( *argv);
if (skipBlocks <= 0) {
fprintf (stderr, "Bad skip value %d\n", skipBlocks);
@@ -129,10 +129,9 @@ extern int dd_main (int argc, char **argv)
else {
fprintf (stderr, "Got here. argv=%s\n", *argv);
goto usage;
-
+ }
argc--;
argv++;
- }
}
if ( inFile == NULL || outFile == NULL)
goto usage;
@@ -140,13 +139,13 @@ extern int dd_main (int argc, char **argv)
buf = malloc (blockSize);
if (buf == NULL) {
fprintf (stderr, "Cannot allocate buffer\n");
- return( FALSE);
+ exit( FALSE);
}
intotal = 0;
outTotal = 0;
- if (!inFile)
+ if (inFile == NULL)
inFd = STDIN;
else
inFd = open (inFile, 0);
@@ -154,10 +153,10 @@ extern int dd_main (int argc, char **argv)
if (inFd < 0) {
perror (inFile);
free (buf);
- return( FALSE);
+ exit( FALSE);
}
- if (!outFile)
+ if (outFile == NULL)
outFd = STDOUT;
else
outFd = creat (outFile, 0666);
@@ -166,10 +165,10 @@ extern int dd_main (int argc, char **argv)
perror (outFile);
close (inFd);
free (buf);
- return( FALSE);
+ exit( FALSE);
}
- lseek(inFd, skipBlocks*blockSize, SEEK_SET);
+ //lseek(inFd, skipBlocks*blockSize, SEEK_SET);
while (outTotal < count * blockSize) {
inCc = read (inFd, buf, blockSize);
if (inCc < 0) {