summaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
Diffstat
-rw-r--r--applets.h2
-rw-r--r--coreutils/dos2unix.c76
-rw-r--r--dos2unix.c76
-rw-r--r--include/applets.h2
-rw-r--r--unix2dos.c49
5 files changed, 116 insertions, 89 deletions
diff --git a/applets.h b/applets.h
index 1fb6dcd92..9fc59cda5 100644
--- a/applets.h
+++ b/applets.h
@@ -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)
diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c
index e97c3ba9a..68aee13c5 100644
--- a/coreutils/dos2unix.c
+++ b/coreutils/dos2unix.c
@@ -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) {
diff --git a/dos2unix.c b/dos2unix.c
index e97c3ba9a..68aee13c5 100644
--- a/dos2unix.c
+++ b/dos2unix.c
@@ -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) {
diff --git a/include/applets.h b/include/applets.h
index 1fb6dcd92..9fc59cda5 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -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)
diff --git a/unix2dos.c b/unix2dos.c
deleted file mode 100644
index 37da9a9cc..000000000
--- a/unix2dos.c
+++ /dev/null
@@ -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;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 00:42:10 +0000