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This commit is contained in:
Eric Andersen
1999-10-12 22:26:06 +00:00
parent 2ce1edcf54
commit 3cf52d1958
23 changed files with 2740 additions and 2938 deletions
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28
coreutils/cat.c
View File

@@ -22,15 +22,27 @@
#include "internal.h"
#include <stdio.h>
const char cat_usage[] = "[file ...]";
static void print_file( FILE *file)
{
int c;
while ((c = getc(file)) != EOF)
putc(c, stdout);
fclose(file);
fflush(stdout);
}
extern int cat_more_main(int argc, char **argv)
{
int c;
FILE *file = stdin;
FILE *file;
if ( (argc < 2) || (**(argv+1) == '-') ) {
fprintf(stderr, "Usage: %s %s", *argv, cat_usage);
if (argc==1) {
print_file( stdin);
exit( TRUE);
}
if ( **(argv+1) == '-' ) {
fprintf(stderr, "Usage: cat [file ...]\n");
exit(FALSE);
}
argc--;
@@ -42,11 +54,7 @@ extern int cat_more_main(int argc, char **argv)
perror(*argv);
exit(FALSE);
}
while ((c = getc(file)) != EOF)
putc(c, stdout);
fclose(file);
fflush(stdout);
print_file( file);
argc--;
argv++;
}

443
coreutils/dd.c
View File

@@ -6,302 +6,211 @@
* The "dd" command, originally taken from sash.
*
* Permission to distribute this code under the GPL has been granted.
* Majorly modified, and bugs fixed for busybox by Erik Andersen <andersee@debian.org> <andersen@lineo.com>
* Mostly rewritten and bugs fixed for busybox by Erik Andersen <andersee@debian.org>
*/
#include "internal.h"
#ifdef BB_DD
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
const char dd_usage[] =
"Copy a file, converting and formatting according to options\n\
const char dd_usage[] =
"Copy a file, converting and formatting according to options\n\
\n\
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\
\tcount=n\tcopy only n input blocks\n\
\tskip=n\tskip n input blocks\n\
\n\
BYTES may be suffixed: by k for x1024, b for x512, and w for x2.\n";
#include <stdio.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <time.h>
#define PAR_NONE 0
#define PAR_IF 1
#define PAR_OF 2
#define PAR_BS 3
#define PAR_COUNT 4
typedef struct
{
const char * name;
int value;
} PARAM;
static const PARAM params[] =
{
{"if", PAR_IF},
{"of", PAR_OF},
{"bs", PAR_BS},
{"count", PAR_COUNT},
{NULL, PAR_NONE}
};
static long getNum(const char * cp);
extern int
dd_main (int argc, char **argv)
{
const char * str;
const PARAM * par;
const char * inFile;
const char * outFile;
char * cp;
int inFd;
int outFd;
int inCc=0;
int outCc;
int blockSize;
long count;
long intotal;
long outTotal;
unsigned char* buf;
unsigned char localBuf[BUF_SIZE];
inFile = NULL;
outFile = NULL;
blockSize = 512;
count = 1;
while (--argc > 0)
{
str = *++argv;
cp = strchr(str, '=');
if (cp == NULL)
{
fprintf(stderr, "Bad dd argument\n");
goto usage;
}
*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");
goto usage;
}
//fprintf(stderr, "if=%s\n", cp);
inFile = cp;
break;
case PAR_OF:
if (outFile)
{
fprintf(stderr, "Multiple output files illegal\n");
goto usage;
}
//fprintf(stderr, "of=%s\n", cp);
outFile = cp;
break;
case PAR_BS:
blockSize = getNum(cp);
//fprintf(stderr, "bs=%d\n", blockSize);
if (blockSize <= 0)
{
fprintf(stderr, "Bad block size value\n");
goto usage;
}
break;
case PAR_COUNT:
count = getNum(cp);
//fprintf(stderr, "count=%ld\n", count);
if (count < 0)
{
fprintf(stderr, "Bad count value\n");
goto usage;
}
break;
default:
goto usage;
}
}
buf = localBuf;
if (blockSize > sizeof(localBuf))
{
buf = malloc(blockSize);
if (buf == NULL)
{
fprintf(stderr, "Cannot allocate buffer\n");
return 1;
}
}
intotal = 0;
outTotal = 0;
if (inFile == NULL)
inFd = STDIN;
else
inFd = open(inFile, 0);
if (inFd < 0)
{
perror(inFile);
if (buf != localBuf)
free(buf);
return 1;
}
if (outFile == NULL)
outFd = STDOUT;
else
outFd = creat(outFile, 0666);
if (outFd < 0)
{
perror(outFile);
close(inFd);
if (buf != localBuf)
free(buf);
return 1;
}
while ( outTotal < count*blockSize )
{
inCc = read(inFd, buf, blockSize);
if (inCc < 0) {
perror(inFile);
goto cleanup;
}
//fprintf(stderr, "read in =%d\n", inCc);
intotal += inCc;
cp = buf;
while ( intotal > outTotal )
{
if (outTotal+inCc > count*blockSize)
inCc=count*blockSize-outTotal;
outCc = write(outFd, cp, inCc);
if (outCc < 0)
{
perror(outFile);
goto cleanup;
}
//fprintf(stderr, "wrote out =%d\n", outCc);
inCc -= outCc;
cp += outCc;
outTotal += outCc;
//fprintf(stderr, "outTotal=%ld\n", outTotal);
}
}
if (inCc < 0)
perror(inFile);
cleanup:
close(inFd);
if (close(outFd) < 0)
perror(outFile);
if (buf != localBuf)
free(buf);
printf("%ld+%d records in\n", intotal / blockSize,
(intotal % blockSize) != 0);
printf("%ld+%d records out\n", outTotal / blockSize,
(outTotal % blockSize) != 0);
return 0;
usage:
fprintf(stderr, "%s", dd_usage);
return 1;
}
/*
* Read a number with a possible multiplier.
* Returns -1 if the number format is illegal.
*/
static long
getNum(const char * cp)
static long getNum (const char *cp)
{
long value;
long value;
if (!isDecimal(*cp))
return -1;
if (!isDecimal (*cp))
return -1;
value = 0;
value = 0;
while (isDecimal(*cp))
value = value * 10 + *cp++ - '0';
while (isDecimal (*cp))
value = value * 10 + *cp++ - '0';
switch (*cp++)
{
case 'k':
value *= 1024;
break;
switch (*cp++) {
case 'k':
value *= 1024;
break;
case 'b':
value *= 512;
break;
case 'b':
value *= 512;
break;
case 'w':
value *= 2;
break;
case '\0':
return value;
default:
return -1;
}
if (*cp)
return -1;
case 'w':
value *= 2;
break;
case '\0':
return value;
default:
return -1;
}
if (*cp)
return -1;
return value;
}
extern int dd_main (int argc, char **argv)
{
const char *inFile;
const char *outFile;
char *cp;
int inFd;
int outFd;
int inCc = 0;
int outCc;
int skipBlocks;
int blockSize;
long count;
long intotal;
long outTotal;
unsigned char *buf;
inFile = NULL;
outFile = NULL;
blockSize = 512;
skipBlocks = 0;
count = 1;
argc--;
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;
else if (strncmp("count", *argv, 5) == 0) {
count = getNum (*argv);
if (count <= 0) {
fprintf (stderr, "Bad count value %ld\n", count);
goto usage;
}
}
else if (strncmp("bs", *argv, 2) == 0) {
blockSize = getNum(*argv);
if (blockSize <= 0) {
fprintf (stderr, "Bad block size value %d\n", blockSize);
goto usage;
}
}
else if (strncmp("skip", *argv, 4) == 0) {
skipBlocks = atoi( *argv);
if (skipBlocks <= 0) {
fprintf (stderr, "Bad skip value %d\n", skipBlocks);
goto usage;
}
}
else {
fprintf (stderr, "Got here. argv=%s\n", *argv);
goto usage;
argc--;
argv++;
}
}
if ( inFile == NULL || outFile == NULL)
goto usage;
buf = malloc (blockSize);
if (buf == NULL) {
fprintf (stderr, "Cannot allocate buffer\n");
return( FALSE);
}
intotal = 0;
outTotal = 0;
if (!inFile)
inFd = STDIN;
else
inFd = open (inFile, 0);
if (inFd < 0) {
perror (inFile);
free (buf);
return( FALSE);
}
if (!outFile)
outFd = STDOUT;
else
outFd = creat (outFile, 0666);
if (outFd < 0) {
perror (outFile);
close (inFd);
free (buf);
return( FALSE);
}
lseek(inFd, skipBlocks*blockSize, SEEK_SET);
while (outTotal < count * blockSize) {
inCc = read (inFd, buf, blockSize);
if (inCc < 0) {
perror (inFile);
goto cleanup;
}
intotal += inCc;
cp = buf;
while (intotal > outTotal) {
if (outTotal + inCc > count * blockSize)
inCc = count * blockSize - outTotal;
outCc = write (outFd, cp, inCc);
if (outCc < 0) {
perror (outFile);
goto cleanup;
}
inCc -= outCc;
cp += outCc;
outTotal += outCc;
}
}
if (inCc < 0)
perror (inFile);
cleanup:
close (inFd);
close (outFd);
free (buf);
printf ("%ld+%d records in\n", intotal / blockSize,
(intotal % blockSize) != 0);
printf ("%ld+%d records out\n", outTotal / blockSize,
(outTotal % blockSize) != 0);
exit( TRUE);
usage:
fprintf (stderr, "%s", dd_usage);
exit( FALSE);
}
#endif
/* END CODE */

3
coreutils/pwd.c
View File

@@ -1,12 +1,13 @@
#include "internal.h"
#include <stdio.h>
#include <dirent.h>
const char pwd_usage[] = "Print the current directory.\n";
extern int
pwd_main(int argc, char * * argv)
{
char buf[1024];
char buf[NAME_MAX];
if ( getcwd(buf, sizeof(buf)) == NULL ) {
perror("get working directory");

21
coreutils/sleep.c
View File

@@ -1,15 +1,20 @@
#include "internal.h"
#include <stdio.h>
const char sleep_usage[] = "sleep seconds\n"
"\n"
"\tPause program execution for the given number of seconds.\n";
const char sleep_usage[] = " NUMBER\n"
"Pause for NUMBER seconds.\n";
extern int
sleep_main(struct FileInfo * i, int argc, char * * argv)
sleep_main(int argc, char * * argv)
{
if ( sleep(atoi(argv[1])) != 0 )
return -1;
else
return 0;
if ( (argc < 2) || (**(argv+1) == '-') ) {
fprintf(stderr, "Usage: %s %s", *argv, sleep_usage);
exit(FALSE);
}
if ( sleep(atoi(*(++argv))) != 0 ) {
perror( "sleep");
exit (FALSE);
} else
exit (TRUE);
}