mirror of
https://github.com/sheumann/hush.git
synced 2024-08-20 19:29:02 +00:00
This fixes dos2unix and unix2dos so they behave as expected. dos2unix
was broken in the 0.52 release, and unix2dos was pretty lame... -Erik
This commit is contained in:
parent
6c7ac21f3a
commit
655584b07a
@ -408,7 +408,7 @@
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APPLET(uniq, uniq_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_UNIX2DOS
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APPLET(unix2dos, unix2dos_main, _BB_DIR_USR_BIN)
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APPLET(unix2dos, dos2unix_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_UPDATE
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APPLET(update, update_main, _BB_DIR_SBIN)
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@ -29,21 +29,51 @@
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#include <string.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/time.h>
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#include "busybox.h"
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static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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// if fn is NULL then input is stdin and output is stdout
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static int convert(char *fn, int ConvType) {
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int c;
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char *tempFn = NULL;
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static int convert(char *fn, int ConvType)
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{
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int c, fd;
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struct timeval tv;
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char tempFn[BUFSIZ];
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static uint64_t value=0;
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FILE *in = stdin, *out = stdout;
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if (fn != NULL) {
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if ((in = wfopen(fn, "r")) == NULL) {
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if ((in = wfopen(fn, "rw")) == NULL) {
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return -1;
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}
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if ((out = tmpfile()) == NULL) {
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perror_msg(NULL);
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return -2;
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strcpy(tempFn, fn);
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c = strlen(tempFn);
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tempFn[c] = '.';
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while(1) {
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if (c >=BUFSIZ)
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error_msg_and_die("unique name not found");
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/* Get some semi random stuff to try and make a
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* random filename based (and in the same dir as)
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* the input file... */
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gettimeofday (&tv, NULL);
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value += ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec ^ getpid ();
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tempFn[++c] = letters[value % 62];
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tempFn[c+1] = '\0';
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value /= 62;
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if ((fd = open(tempFn, O_RDWR | O_CREAT | O_EXCL, 0600)) < 0 ) {
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continue;
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}
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out = fdopen(fd, "w+");
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if (!out) {
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close(fd);
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remove(tempFn);
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continue;
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}
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break;
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}
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}
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@ -51,6 +81,7 @@ static int convert(char *fn, int ConvType) {
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if (c == '\r') {
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if ((ConvType == CT_UNIX2DOS) && (fn != NULL)) {
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// file is alredy in DOS format so it is not necessery to touch it
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remove(tempFn);
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if (fclose(in) < 0 || fclose(out) < 0) {
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perror_msg(NULL);
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return -2;
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@ -64,6 +95,7 @@ static int convert(char *fn, int ConvType) {
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if (c == '\n') {
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if ((ConvType == CT_DOS2UNIX) && (fn != NULL)) {
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// file is alredy in UNIX format so it is not necessery to touch it
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remove(tempFn);
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if ((fclose(in) < 0) || (fclose(out) < 0)) {
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perror_msg(NULL);
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return -2;
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@ -95,29 +127,35 @@ static int convert(char *fn, int ConvType) {
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}
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if (fn != NULL) {
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if (fclose(in) < 0 || fclose(out) < 0 ||
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(in = fopen(tempFn, "r")) == NULL || (out = fopen(fn, "w")) == NULL) {
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perror_msg(NULL);
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return -2;
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if (fclose(in) < 0 || fclose(out) < 0) {
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perror_msg(NULL);
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remove(tempFn);
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return -2;
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}
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while ((c = fgetc(in)) != EOF) {
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fputc(c, out);
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}
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if ((fclose(in) < 0) || (fclose(out) < 0)) {
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perror_msg(NULL);
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return -2;
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/* Assume they are both on the same filesystem */
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if (rename(tempFn, fn) < 0) {
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perror_msg("unable to rename '%s' as '%s'", tempFn, fn);
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return -1;
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}
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}
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return 0;
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}
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int dos2unix_main(int argc, char *argv[]) {
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int dos2unix_main(int argc, char *argv[])
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{
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int ConvType = CT_AUTO;
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int o;
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//See if we are supposed to be doing dos2unix or unix2dos
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if (argv[0][0]=='d') {
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ConvType = CT_DOS2UNIX;
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}
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if (argv[0][0]=='u') {
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ConvType = CT_UNIX2DOS;
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}
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// process parameters
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while ((o = getopt(argc, argv, "du")) != EOF) {
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switch (o) {
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76
dos2unix.c
76
dos2unix.c
@ -29,21 +29,51 @@
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#include <string.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/time.h>
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#include "busybox.h"
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static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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// if fn is NULL then input is stdin and output is stdout
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static int convert(char *fn, int ConvType) {
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int c;
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char *tempFn = NULL;
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static int convert(char *fn, int ConvType)
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{
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int c, fd;
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struct timeval tv;
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char tempFn[BUFSIZ];
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static uint64_t value=0;
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FILE *in = stdin, *out = stdout;
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if (fn != NULL) {
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if ((in = wfopen(fn, "r")) == NULL) {
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if ((in = wfopen(fn, "rw")) == NULL) {
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return -1;
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}
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if ((out = tmpfile()) == NULL) {
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perror_msg(NULL);
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return -2;
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strcpy(tempFn, fn);
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c = strlen(tempFn);
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tempFn[c] = '.';
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while(1) {
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if (c >=BUFSIZ)
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error_msg_and_die("unique name not found");
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/* Get some semi random stuff to try and make a
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* random filename based (and in the same dir as)
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* the input file... */
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gettimeofday (&tv, NULL);
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value += ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec ^ getpid ();
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tempFn[++c] = letters[value % 62];
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tempFn[c+1] = '\0';
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value /= 62;
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if ((fd = open(tempFn, O_RDWR | O_CREAT | O_EXCL, 0600)) < 0 ) {
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continue;
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}
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out = fdopen(fd, "w+");
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if (!out) {
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close(fd);
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remove(tempFn);
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continue;
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}
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break;
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}
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}
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@ -51,6 +81,7 @@ static int convert(char *fn, int ConvType) {
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if (c == '\r') {
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if ((ConvType == CT_UNIX2DOS) && (fn != NULL)) {
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// file is alredy in DOS format so it is not necessery to touch it
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remove(tempFn);
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if (fclose(in) < 0 || fclose(out) < 0) {
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perror_msg(NULL);
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return -2;
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@ -64,6 +95,7 @@ static int convert(char *fn, int ConvType) {
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if (c == '\n') {
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if ((ConvType == CT_DOS2UNIX) && (fn != NULL)) {
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// file is alredy in UNIX format so it is not necessery to touch it
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remove(tempFn);
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if ((fclose(in) < 0) || (fclose(out) < 0)) {
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perror_msg(NULL);
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return -2;
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@ -95,29 +127,35 @@ static int convert(char *fn, int ConvType) {
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}
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if (fn != NULL) {
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if (fclose(in) < 0 || fclose(out) < 0 ||
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(in = fopen(tempFn, "r")) == NULL || (out = fopen(fn, "w")) == NULL) {
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perror_msg(NULL);
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return -2;
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if (fclose(in) < 0 || fclose(out) < 0) {
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perror_msg(NULL);
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remove(tempFn);
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return -2;
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}
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while ((c = fgetc(in)) != EOF) {
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fputc(c, out);
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}
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if ((fclose(in) < 0) || (fclose(out) < 0)) {
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perror_msg(NULL);
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return -2;
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/* Assume they are both on the same filesystem */
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if (rename(tempFn, fn) < 0) {
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perror_msg("unable to rename '%s' as '%s'", tempFn, fn);
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return -1;
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}
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}
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return 0;
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}
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int dos2unix_main(int argc, char *argv[]) {
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int dos2unix_main(int argc, char *argv[])
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{
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int ConvType = CT_AUTO;
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int o;
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//See if we are supposed to be doing dos2unix or unix2dos
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if (argv[0][0]=='d') {
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ConvType = CT_DOS2UNIX;
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}
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if (argv[0][0]=='u') {
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ConvType = CT_UNIX2DOS;
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}
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// process parameters
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while ((o = getopt(argc, argv, "du")) != EOF) {
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switch (o) {
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@ -408,7 +408,7 @@
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APPLET(uniq, uniq_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_UNIX2DOS
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APPLET(unix2dos, unix2dos_main, _BB_DIR_USR_BIN)
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APPLET(unix2dos, dos2unix_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_UPDATE
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APPLET(update, update_main, _BB_DIR_SBIN)
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49
unix2dos.c
49
unix2dos.c
@ -1,49 +0,0 @@
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/*
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Mini unix2dos implementation for busybox
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Copyright 1994,1995 Patrick Volkerding, Moorhead, Minnesota USA
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All rights reserved.
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Redistribution and use of this source code, with or without modification, is
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permitted provided that the following condition is met:
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1. Redistributions of this source code must retain the above copyright
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notice, this condition, and the following disclaimer.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "busybox.h"
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#include <stdio.h>
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int unix2dos_main( int argc, char **argv ) {
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int c;
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if (argc > 1) {
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c = *argv[1];
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if (c == '-') {
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show_usage();
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}
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}
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c = getchar();
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while (c != EOF) {
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/* Eat any \r's... they shouldn't be here */
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while (c == '\r') c = getchar();
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if (c == EOF) break;
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if (c != '\n') {
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putchar(c);
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} else {
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printf("\r\n");
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}
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c = getchar();
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}
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return 0;
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}
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