* See the COPYING file for license information.
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
#include <getopt.h>
#include "busybox.h"
-#define CT_AUTO 0
-#define CT_UNIX2DOS 1
-#define CT_DOS2UNIX 2
-
-int convert(char *fn, int ConvType);
-
int dos2unix_main(int argc, char *argv[]) {
int ConvType = CT_AUTO;
int o;
return o;
}
-// if fn is NULL then input is stdin and output is stdout
-int convert(char *fn, int ConvType) {
- char c;
- char *tempFn = NULL;
- FILE *in = stdin, *out = stdout;
-
- if (fn != NULL) {
- if ((in = fopen(fn, "r")) == NULL) {
- perror_msg(fn);
- return -1;
- }
- tempFn = tmpnam(NULL);
- if (tempFn == NULL || (out = fopen(tempFn, "w")) == NULL) {
- perror_msg(NULL);
- return -2;
- }
- }
-
- while ((c = fgetc(in)) != EOF) {
- if (c == '\r') {
- if ((ConvType == CT_UNIX2DOS) && (fn != NULL)) {
- // file is alredy in DOS format so it is not necessery to touch it
- if (fclose(in) < 0 || fclose(out) < 0 || remove(tempFn) < 0) {
- perror_msg(NULL);
- return -2;
- }
- return 0;
- }
- if (!ConvType)
- ConvType = CT_DOS2UNIX;
- break;
- }
- if (c == '\n') {
- if ((ConvType == CT_DOS2UNIX) && (fn != NULL)) {
- // file is alredy in UNIX format so it is not necessery to touch it
- if (fclose(in) < 0 || fclose(out) < 0 || remove(tempFn) < 0) {
- perror_msg(NULL);
- return -2;
- }
- return 0;
- }
- if (!ConvType)
- ConvType = CT_UNIX2DOS;
- if (ConvType == CT_UNIX2DOS)
- fputc('\r', out);
- fputc('\n', out);
- break;
- }
- fputc(c, out);
- }
- if (c != EOF)
- while ((c = fgetc(in)) != EOF) {
- if (c == '\r')
- continue;
- if (c == '\n') {
- if (ConvType == CT_UNIX2DOS)
- fputc('\r', out);
- fputc('\n', out);
- continue;
- }
- fputc(c, out);
- }
-
- 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;
- }
-
- while ((c = fgetc(in)) != EOF)
- fputc(c, out);
-
- if (fclose(in) < 0 || fclose(out) < 0 || remove(tempFn) < 0) {
- perror_msg(NULL);
- return -2;
- }
- }
-
- return 0;
-}
* See the COPYING file for license information.
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
#include <getopt.h>
#include "busybox.h"
-#define CT_AUTO 0
-#define CT_UNIX2DOS 1
-#define CT_DOS2UNIX 2
-
-int convert(char *fn, int ConvType);
-
int dos2unix_main(int argc, char *argv[]) {
int ConvType = CT_AUTO;
int o;
return o;
}
-// if fn is NULL then input is stdin and output is stdout
-int convert(char *fn, int ConvType) {
- char c;
- char *tempFn = NULL;
- FILE *in = stdin, *out = stdout;
-
- if (fn != NULL) {
- if ((in = fopen(fn, "r")) == NULL) {
- perror_msg(fn);
- return -1;
- }
- tempFn = tmpnam(NULL);
- if (tempFn == NULL || (out = fopen(tempFn, "w")) == NULL) {
- perror_msg(NULL);
- return -2;
- }
- }
-
- while ((c = fgetc(in)) != EOF) {
- if (c == '\r') {
- if ((ConvType == CT_UNIX2DOS) && (fn != NULL)) {
- // file is alredy in DOS format so it is not necessery to touch it
- if (fclose(in) < 0 || fclose(out) < 0 || remove(tempFn) < 0) {
- perror_msg(NULL);
- return -2;
- }
- return 0;
- }
- if (!ConvType)
- ConvType = CT_DOS2UNIX;
- break;
- }
- if (c == '\n') {
- if ((ConvType == CT_DOS2UNIX) && (fn != NULL)) {
- // file is alredy in UNIX format so it is not necessery to touch it
- if (fclose(in) < 0 || fclose(out) < 0 || remove(tempFn) < 0) {
- perror_msg(NULL);
- return -2;
- }
- return 0;
- }
- if (!ConvType)
- ConvType = CT_UNIX2DOS;
- if (ConvType == CT_UNIX2DOS)
- fputc('\r', out);
- fputc('\n', out);
- break;
- }
- fputc(c, out);
- }
- if (c != EOF)
- while ((c = fgetc(in)) != EOF) {
- if (c == '\r')
- continue;
- if (c == '\n') {
- if (ConvType == CT_UNIX2DOS)
- fputc('\r', out);
- fputc('\n', out);
- continue;
- }
- fputc(c, out);
- }
-
- 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;
- }
-
- while ((c = fgetc(in)) != EOF)
- fputc(c, out);
-
- if (fclose(in) < 0 || fclose(out) < 0 || remove(tempFn) < 0) {
- perror_msg(NULL);
- return -2;
- }
- }
-
- return 0;
-}