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This fixes dos2unix and unix2dos so they behave as expected. dos2unix

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was broken in the 0.52 release, and unix2dos was pretty lame...
 -Erik
This commit is contained in:
Eric Andersen 2001-07-25 07:22:55 +00:00
parent 6c7ac21f3a
commit 655584b07a
5 changed files with 116 additions and 89 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
applets.h
View File

@ -408,7 +408,7 @@
APPLET(uniq, uniq_main, _BB_DIR_USR_BIN)
#endif
#ifdef BB_UNIX2DOS
APPLET(unix2dos, unix2dos_main, _BB_DIR_USR_BIN)
APPLET(unix2dos, dos2unix_main, _BB_DIR_USR_BIN)
#endif
#ifdef BB_UPDATE
APPLET(update, update_main, _BB_DIR_SBIN)

76
coreutils/dos2unix.c
View File

@ -29,21 +29,51 @@
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/time.h>
#include "busybox.h"
static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
// if fn is NULL then input is stdin and output is stdout
static int convert(char *fn, int ConvType) {
int c;
char *tempFn = NULL;
static int convert(char *fn, int ConvType)
{
int c, fd;
struct timeval tv;
char tempFn[BUFSIZ];
static uint64_t value=0;
FILE *in = stdin, *out = stdout;
if (fn != NULL) {
if ((in = wfopen(fn, "r")) == NULL) {
if ((in = wfopen(fn, "rw")) == NULL) {
return -1;
}
if ((out = tmpfile()) == NULL) {
perror_msg(NULL);
return -2;
strcpy(tempFn, fn);
c = strlen(tempFn);
tempFn[c] = '.';
while(1) {
if (c >=BUFSIZ)
error_msg_and_die("unique name not found");
/* Get some semi random stuff to try and make a
* random filename based (and in the same dir as)
* the input file... */
gettimeofday (&tv, NULL);
value += ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec ^ getpid ();
tempFn[++c] = letters[value % 62];
tempFn[c+1] = '\0';
value /= 62;
if ((fd = open(tempFn, O_RDWR | O_CREAT | O_EXCL, 0600)) < 0 ) {
continue;
}
out = fdopen(fd, "w+");
if (!out) {
close(fd);
remove(tempFn);
continue;
}
break;
}
}
@ -51,6 +81,7 @@ static int convert(char *fn, int ConvType) {
if (c == '\r') {
if ((ConvType == CT_UNIX2DOS) && (fn != NULL)) {
// file is alredy in DOS format so it is not necessery to touch it
remove(tempFn);
if (fclose(in) < 0 || fclose(out) < 0) {
perror_msg(NULL);
return -2;
@ -64,6 +95,7 @@ static int convert(char *fn, int ConvType) {
if (c == '\n') {
if ((ConvType == CT_DOS2UNIX) && (fn != NULL)) {
// file is alredy in UNIX format so it is not necessery to touch it
remove(tempFn);
if ((fclose(in) < 0) || (fclose(out) < 0)) {
perror_msg(NULL);
return -2;
@ -95,29 +127,35 @@ static int convert(char *fn, int ConvType) {
}
if (fn != NULL) {
if (fclose(in) < 0 || fclose(out) < 0 ||
(in = fopen(tempFn, "r")) == NULL || (out = fopen(fn, "w")) == NULL) {
perror_msg(NULL);
return -2;
if (fclose(in) < 0 || fclose(out) < 0) {
perror_msg(NULL);
remove(tempFn);
return -2;
}
while ((c = fgetc(in)) != EOF) {
fputc(c, out);
}
if ((fclose(in) < 0) || (fclose(out) < 0)) {
perror_msg(NULL);
return -2;
/* Assume they are both on the same filesystem */
if (rename(tempFn, fn) < 0) {
perror_msg("unable to rename '%s' as '%s'", tempFn, fn);
return -1;
}
}
return 0;
}
int dos2unix_main(int argc, char *argv[]) {
int dos2unix_main(int argc, char *argv[])
{
int ConvType = CT_AUTO;
int o;
//See if we are supposed to be doing dos2unix or unix2dos
if (argv[0][0]=='d') {
ConvType = CT_DOS2UNIX;
}
if (argv[0][0]=='u') {
ConvType = CT_UNIX2DOS;
}
// process parameters
while ((o = getopt(argc, argv, "du")) != EOF) {
switch (o) {

76
dos2unix.c
View File

@ -29,21 +29,51 @@
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/time.h>
#include "busybox.h"
static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
// if fn is NULL then input is stdin and output is stdout
static int convert(char *fn, int ConvType) {
int c;
char *tempFn = NULL;
static int convert(char *fn, int ConvType)
{
int c, fd;
struct timeval tv;
char tempFn[BUFSIZ];
static uint64_t value=0;
FILE *in = stdin, *out = stdout;
if (fn != NULL) {
if ((in = wfopen(fn, "r")) == NULL) {
if ((in = wfopen(fn, "rw")) == NULL) {
return -1;
}
if ((out = tmpfile()) == NULL) {
perror_msg(NULL);
return -2;
strcpy(tempFn, fn);
c = strlen(tempFn);
tempFn[c] = '.';
while(1) {
if (c >=BUFSIZ)
error_msg_and_die("unique name not found");
/* Get some semi random stuff to try and make a
* random filename based (and in the same dir as)
* the input file... */
gettimeofday (&tv, NULL);
value += ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec ^ getpid ();
tempFn[++c] = letters[value % 62];
tempFn[c+1] = '\0';
value /= 62;
if ((fd = open(tempFn, O_RDWR | O_CREAT | O_EXCL, 0600)) < 0 ) {
continue;
}
out = fdopen(fd, "w+");
if (!out) {
close(fd);
remove(tempFn);
continue;
}
break;
}
}
@ -51,6 +81,7 @@ static int convert(char *fn, int ConvType) {
if (c == '\r') {
if ((ConvType == CT_UNIX2DOS) && (fn != NULL)) {
// file is alredy in DOS format so it is not necessery to touch it
remove(tempFn);
if (fclose(in) < 0 || fclose(out) < 0) {
perror_msg(NULL);
return -2;
@ -64,6 +95,7 @@ static int convert(char *fn, int ConvType) {
if (c == '\n') {
if ((ConvType == CT_DOS2UNIX) && (fn != NULL)) {
// file is alredy in UNIX format so it is not necessery to touch it
remove(tempFn);
if ((fclose(in) < 0) || (fclose(out) < 0)) {
perror_msg(NULL);
return -2;
@ -95,29 +127,35 @@ static int convert(char *fn, int ConvType) {
}
if (fn != NULL) {
if (fclose(in) < 0 || fclose(out) < 0 ||
(in = fopen(tempFn, "r")) == NULL || (out = fopen(fn, "w")) == NULL) {
perror_msg(NULL);
return -2;
if (fclose(in) < 0 || fclose(out) < 0) {
perror_msg(NULL);
remove(tempFn);
return -2;
}
while ((c = fgetc(in)) != EOF) {
fputc(c, out);
}
if ((fclose(in) < 0) || (fclose(out) < 0)) {
perror_msg(NULL);
return -2;
/* Assume they are both on the same filesystem */
if (rename(tempFn, fn) < 0) {
perror_msg("unable to rename '%s' as '%s'", tempFn, fn);
return -1;
}
}
return 0;
}
int dos2unix_main(int argc, char *argv[]) {
int dos2unix_main(int argc, char *argv[])
{
int ConvType = CT_AUTO;
int o;
//See if we are supposed to be doing dos2unix or unix2dos
if (argv[0][0]=='d') {
ConvType = CT_DOS2UNIX;
}
if (argv[0][0]=='u') {
ConvType = CT_UNIX2DOS;
}
// process parameters
while ((o = getopt(argc, argv, "du")) != EOF) {
switch (o) {

2
include/applets.h
View File

@ -408,7 +408,7 @@
APPLET(uniq, uniq_main, _BB_DIR_USR_BIN)
#endif
#ifdef BB_UNIX2DOS
APPLET(unix2dos, unix2dos_main, _BB_DIR_USR_BIN)
APPLET(unix2dos, dos2unix_main, _BB_DIR_USR_BIN)
#endif
#ifdef BB_UPDATE
APPLET(update, update_main, _BB_DIR_SBIN)

49
unix2dos.c
View File

@ -1,49 +0,0 @@
/*
Mini unix2dos implementation for busybox
Copyright 1994,1995 Patrick Volkerding, Moorhead, Minnesota USA
All rights reserved.
Redistribution and use of this source code, with or without modification, is
permitted provided that the following condition is met:
1. Redistributions of this source code must retain the above copyright
notice, this condition, and the following disclaimer.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "busybox.h"
#include <stdio.h>
int unix2dos_main( int argc, char **argv ) {
int c;
if (argc > 1) {
c = *argv[1];
if (c == '-') {
show_usage();
}
}
c = getchar();
while (c != EOF) {
/* Eat any \r's... they shouldn't be here */
while (c == '\r') c = getchar();
if (c == EOF) break;
if (c != '\n') {
putchar(c);
} else {
printf("\r\n");
}
c = getchar();
}
return 0;
}