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Move convert to libbb

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This commit is contained in:
Glenn L McGrath 2001-04-12 00:52:29 +00:00
parent a283157c38
commit 50b787cac5
2 changed files with 0 additions and 182 deletions
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91
coreutils/dos2unix.c
View File

@ -27,19 +27,9 @@
* 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;
@ -69,84 +59,3 @@ int dos2unix_main(int argc, char *argv[]) {
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;
}

91
dos2unix.c
View File

@ -27,19 +27,9 @@
* 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;
@ -69,84 +59,3 @@ int dos2unix_main(int argc, char *argv[]) {
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;
}