emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

A few minor updates. ;-)

Browse Source 
Seriously though, read the Changelog for busybox 0.42,
which this is about to become...
 -Erik
This commit is contained in:
Erik Andersen
2000-02-07 05:29:42 +00:00
parent 50bc101b7d
commit fac10d7c59
76 changed files with 1849 additions and 1023 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
coreutils/dd.c
View File

@@ -40,15 +40,16 @@ typedef unsigned long long int uintmax_t;
#endif
static const char dd_usage[] =
"dd [if=name] [of=name] [bs=n] [count=n]\n\n"
"dd [if=name] [of=name] [bs=n] [count=n] [skip=n] [seek=n]\n\n"
"Copy a file, converting and formatting according to options\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"
"\tof=FILE\twrite to FILE instead of stdout\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"
"\tskip=n\tskip n input blocks\n"
"\tseek=n\tskip n output blocks\n"
"\n"
"BYTES may be suffixed by w (x2), k (x1024), b (x512), or m (x1024^2).\n";
"Numbers may be suffixed by w (x2), k (x1024), b (x512), or M (x1024^2)\n";
@@ -61,8 +62,9 @@ extern int dd_main (int argc, char **argv)
int outFd;
int inCc = 0;
int outCc;
size_t blockSize = 512;
//uintmax_t skipBlocks = 0;
long blockSize = 512;
uintmax_t skipBlocks = 0;
uintmax_t seekBlocks = 0;
uintmax_t count = (uintmax_t)-1;
uintmax_t intotal;
uintmax_t outTotal;
@@ -91,16 +93,22 @@ extern int dd_main (int argc, char **argv)
goto usage;
}
}
#if 0
else if (strncmp(*argv, "skip", 4) == 0) {
skipBlocks = atoi( *argv);
skipBlocks = getNum ((strchr(*argv, '='))+1);
if (skipBlocks <= 0) {
fprintf (stderr, "Bad skip value %d\n", skipBlocks);
fprintf (stderr, "Bad skip value %s\n", *argv);
goto usage;
}
}
else if (strncmp(*argv, "seek", 4) == 0) {
seekBlocks = getNum ((strchr(*argv, '='))+1);
if (seekBlocks <= 0) {
fprintf (stderr, "Bad seek value %s\n", *argv);
goto usage;
}
}
#endif
else {
goto usage;
}
@@ -131,7 +139,7 @@ extern int dd_main (int argc, char **argv)
if (outFile == NULL)
outFd = fileno(stdout);
else
outFd = creat (outFile, 0666);
outFd = open(outFile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (outFd < 0) {
perror (outFile);
@@ -140,10 +148,11 @@ extern int dd_main (int argc, char **argv)
exit( FALSE);
}
//lseek(inFd, skipBlocks*blockSize, SEEK_SET);
lseek(inFd, skipBlocks*blockSize, SEEK_SET);
lseek(outFd, seekBlocks*blockSize, SEEK_SET);
//
//TODO: Convert to using fullRead & fullWrite
// from utilitity.c
// from utility.c
// -Erik
while (outTotal < count * blockSize) {
inCc = read (inFd, buf, blockSize);