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dos2unix.c
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dos2unix.c
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/*
* Name: dos2unix
* Documentation:
* Remove cr ('\x0d') characters from a file.
*
* The dos2unix package is distributed under FreeBSD style license.
* See also http://www.freebsd.org/copyright/freebsd-license.html
* --------
*
* Copyright (C) 2009-2012 Erwin Waterlander
* Copyright (C) 1998 Christian Wurll
* Copyright (C) 1998 Bernd Johannes Wuebben
* Copyright (C) 1994-1995 Benjamin Lin.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice in the documentation and/or other materials provided with
* the distribution.
*
* 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.
*
* == 1.0 == 1989.10.04 == John Birchfield (jb@koko.csustan.edu)
* == 1.1 == 1994.12.20 == Benjamin Lin (blin@socs.uts.edu.au)
* Cleaned up for Borland C/C++ 4.02
* == 1.2 == 1995.03.16 == Benjamin Lin (blin@socs.uts.edu.au)
* Modified to more conform to UNIX style.
* == 2.0 == 1995.03.19 == Benjamin Lin (blin@socs.uts.edu.au)
* Rewritten from scratch.
* == 2.1 == 1995.03.29 == Benjamin Lin (blin@socs.uts.edu.au)
* Conversion to SunOS charset implemented.
* == 2.2 == 1995.03.30 == Benjamin Lin (blin@socs.uts.edu.au)
* Fixed a bug in 2.1 where in new file mode, if outfile already exists
* conversion can not be completed properly.
*
* Added Mac text file translation, i.e. \r to \n conversion
* Bernd Johannes Wuebben, wuebben@kde.org
* Wed Feb 4 19:12:58 EST 1998
*
* Added extra newline if ^M occurs
* Christian Wurll, wurll@ira.uka.de
* Thu Nov 19 1998
*
* See ChangeLog.txt for complete version history.
*
*/
/* #define DEBUG 1 */
#include "common.h"
#include "dos2unix.h"
#include "querycp.h"
#ifdef D2U_UNICODE
#ifndef MSDOS /* Unix, Cygwin */
# include <langinfo.h>
#endif
#endif
void PrintLicense(void)
{
fprintf(stderr, "%s", _("\
Copyright (C) 2009-2012 Erwin Waterlander\n\
Copyright (C) 1998 Christian Wurll (Version 3.1)\n\
Copyright (C) 1998 Bernd Johannes Wuebben (Version 3.0)\n\
Copyright (C) 1994-1995 Benjamin Lin\n\
All rights reserved.\n\n"));
PrintBSDLicense();
}
#ifdef D2U_UNICODE
void StripDelimiterW(FILE* ipInF, FILE* ipOutF, CFlag *ipFlag, wint_t CurChar)
{
wint_t TempNextChar;
/* CurChar is always CR (x0d) */
/* In normal dos2unix mode put nothing (skip CR). */
/* Don't modify Mac files when in dos2unix mode. */
if ( (TempNextChar = d2u_getwc(ipInF, ipFlag->bomtype)) != WEOF) {
d2u_ungetwc( TempNextChar, ipInF, ipFlag->bomtype); /* put back peek char */
if ( TempNextChar != 0x0a ) {
d2u_putwc( CurChar, ipOutF, ipFlag); /* Mac line, put back CR */
}
}
else if ( CurChar == 0x0d ) { /* EOF: last Mac line delimiter (CR)? */
d2u_putwc( CurChar, ipOutF, ipFlag);
}
if (ipFlag->NewLine) { /* add additional LF? */
d2u_putwc(0x0a, ipOutF, ipFlag);
}
}
#endif
void StripDelimiter(FILE* ipInF, FILE* ipOutF, CFlag *ipFlag, int CurChar)
{
int TempNextChar;
/* CurChar is always CR (x0d) */
/* In normal dos2unix mode put nothing (skip CR). */
/* Don't modify Mac files when in dos2unix mode. */
if ( (TempNextChar = fgetc(ipInF)) != EOF) {
ungetc( TempNextChar, ipInF ); /* put back peek char */
if ( TempNextChar != '\x0a' ) {
fputc( CurChar, ipOutF ); /* Mac line, put back CR */
}
}
else if ( CurChar == '\x0d' ) { /* EOF: last Mac line delimiter (CR)? */
fputc( CurChar, ipOutF );
}
if (ipFlag->NewLine) { /* add additional LF? */
fputc('\x0a', ipOutF);
}
}
/* converts stream ipInF to UNIX format text and write to stream ipOutF
* RetVal: 0 if success
* -1 otherwise
*/
#ifdef D2U_UNICODE
int ConvertDosToUnixW(FILE* ipInF, FILE* ipOutF, CFlag *ipFlag, char *progname)
{
int RetVal = 0;
wint_t TempChar;
wint_t TempNextChar;
ipFlag->status = 0;
/* CR-LF -> LF */
/* LF -> LF, in case the input file is a Unix text file */
/* CR -> CR, in dos2unix mode (don't modify Mac file) */
/* CR -> LF, in Mac mode */
/* \x0a = Newline/Line Feed (LF) */
/* \x0d = Carriage Return (CR) */
switch (ipFlag->FromToMode)
{
case FROMTO_DOS2UNIX: /* dos2unix */
while ((TempChar = d2u_getwc(ipInF, ipFlag->bomtype)) != WEOF) { /* get character */
if ((ipFlag->Force == 0) &&
(TempChar < 32) &&
(TempChar != 0x0a) && /* Not an LF */
(TempChar != 0x0d) && /* Not a CR */
(TempChar != 0x09) && /* Not a TAB */
(TempChar != 0x0c)) { /* Not a form feed */
RetVal = -1;
ipFlag->status |= BINARY_FILE ;
break;
}
if (TempChar != 0x0d) {
if (d2u_putwc(TempChar, ipOutF, ipFlag) == WEOF) {
RetVal = -1;
if (!ipFlag->Quiet)
{
if (!(ipFlag->status & UNICODE_CONVERSION_ERROR))
{
fprintf(stderr, "%s: ", progname);
fprintf(stderr, "%s", _("can not write to output file\n"));
}
}
break;
}
} else {
StripDelimiterW( ipInF, ipOutF, ipFlag, TempChar );
}
}
break;
case FROMTO_MAC2UNIX: /* mac2unix */
while ((TempChar = d2u_getwc(ipInF, ipFlag->bomtype)) != WEOF) {
if ((ipFlag->Force == 0) &&
(TempChar < 32) &&
(TempChar != 0x0a) && /* Not an LF */
(TempChar != 0x0d) && /* Not a CR */
(TempChar != 0x09) && /* Not a TAB */
(TempChar != 0x0c)) { /* Not a form feed */
RetVal = -1;
ipFlag->status |= BINARY_FILE ;
break;
}
if ((TempChar != 0x0d))
{
if(d2u_putwc(TempChar, ipOutF, ipFlag) == WEOF){
RetVal = -1;
if (!ipFlag->Quiet)
{
if (!(ipFlag->status & UNICODE_CONVERSION_ERROR))
{
fprintf(stderr, "%s: ", progname);
fprintf(stderr, "%s", _("can not write to output file\n"));
}
}
break;
}
}
else{
/* TempChar is a CR */
if ( (TempNextChar = d2u_getwc(ipInF, ipFlag->bomtype)) != WEOF) {
ungetc( TempNextChar, ipInF ); /* put back peek char */
/* Don't touch this delimiter if it's a CR,LF pair. */
if ( TempNextChar == 0x0a ) {
d2u_putwc(0x0d, ipOutF, ipFlag); /* put CR, part of DOS CR-LF */
continue;
}
}
if (d2u_putwc(0x0a, ipOutF, ipFlag) == WEOF) /* MAC line end (CR). Put LF */
{
RetVal = -1;
if (!ipFlag->Quiet)
{
if (!(ipFlag->status & UNICODE_CONVERSION_ERROR))
{
fprintf(stderr, "%s: ", progname);
fprintf(stderr, "%s", _("can not write to output file\n"));
}
}
break;
}
if (ipFlag->NewLine) { /* add additional LF? */
d2u_putwc(0x0a, ipOutF, ipFlag);
}
}
}
break;
default: /* unknown FromToMode */
;
#if DEBUG
fprintf(stderr, "%s: ", progname);
fprintf(stderr, _("program error, invalid conversion mode %d\n"),ipFlag->FromToMode);
exit(1);
#endif
}
return RetVal;
}
#endif
/* converts stream ipInF to UNIX format text and write to stream ipOutF
* RetVal: 0 if success
* -1 otherwise
*/
int ConvertDosToUnix(FILE* ipInF, FILE* ipOutF, CFlag *ipFlag, char *progname)
{
int RetVal = 0;
int TempChar;
int TempNextChar;
int *ConvTable;
ipFlag->status = 0;
switch (ipFlag->ConvMode)
{
case CONVMODE_ASCII: /* ascii */
ConvTable = D2UAsciiTable;
break;
case CONVMODE_7BIT: /* 7bit */
ConvTable = D2U7BitTable;
break;
case CONVMODE_437: /* iso */
ConvTable = D2UIso437Table;
break;
case CONVMODE_850: /* iso */
ConvTable = D2UIso850Table;
break;
case CONVMODE_860: /* iso */
ConvTable = D2UIso860Table;
break;
case CONVMODE_863: /* iso */
ConvTable = D2UIso863Table;
break;
case CONVMODE_865: /* iso */
ConvTable = D2UIso865Table;
break;
case CONVMODE_1252: /* iso */
ConvTable = D2UIso1252Table;
break;
default: /* unknown convmode */
ipFlag->status |= WRONG_CODEPAGE ;
return(-1);
}
if ((ipFlag->ConvMode > 1) && (!ipFlag->Quiet)) /* not ascii or 7bit */
{
fprintf(stderr, "%s: ", progname);
fprintf(stderr, _("using code page %d.\n"), ipFlag->ConvMode);
}
/* CR-LF -> LF */
/* LF -> LF, in case the input file is a Unix text file */
/* CR -> CR, in dos2unix mode (don't modify Mac file) */
/* CR -> LF, in Mac mode */
/* \x0a = Newline/Line Feed (LF) */
/* \x0d = Carriage Return (CR) */
switch (ipFlag->FromToMode)
{
case FROMTO_DOS2UNIX: /* dos2unix */
while ((TempChar = fgetc(ipInF)) != EOF) { /* get character */
if ((ipFlag->Force == 0) &&
(TempChar < 32) &&
(TempChar != '\x0a') && /* Not an LF */
(TempChar != '\x0d') && /* Not a CR */
(TempChar != '\x09') && /* Not a TAB */
(TempChar != '\x0c')) { /* Not a form feed */
RetVal = -1;
ipFlag->status |= BINARY_FILE ;
break;
}
if (TempChar != '\x0d') {
if (fputc(ConvTable[TempChar], ipOutF) == EOF) {
RetVal = -1;
if (!ipFlag->Quiet)
{
fprintf(stderr, "%s: ", progname);
fprintf(stderr, "%s", _("can not write to output file\n"));
}
break;
}
} else {
StripDelimiter( ipInF, ipOutF, ipFlag, TempChar );
}
}
break;
case FROMTO_MAC2UNIX: /* mac2unix */
while ((TempChar = fgetc(ipInF)) != EOF) {
if ((ipFlag->Force == 0) &&
(TempChar < 32) &&
(TempChar != '\x0a') && /* Not an LF */
(TempChar != '\x0d') && /* Not a CR */
(TempChar != '\x09') && /* Not a TAB */
(TempChar != '\x0c')) { /* Not a form feed */
RetVal = -1;
ipFlag->status |= BINARY_FILE ;
break;
}
if ((TempChar != '\x0d'))
{
if(fputc(ConvTable[TempChar], ipOutF) == EOF){
RetVal = -1;
if (!ipFlag->Quiet)
{
fprintf(stderr, "%s: ", progname);
fprintf(stderr, "%s", _("can not write to output file\n"));
}
break;
}
}
else{
/* TempChar is a CR */
if ( (TempNextChar = fgetc(ipInF)) != EOF) {
ungetc( TempNextChar, ipInF ); /* put back peek char */
/* Don't touch this delimiter if it's a CR,LF pair. */
if ( TempNextChar == '\x0a' ) {
fputc('\x0d', ipOutF); /* put CR, part of DOS CR-LF */
continue;
}
}
if (fputc('\x0a', ipOutF) == EOF) /* MAC line end (CR). Put LF */
{
RetVal = -1;
if (!ipFlag->Quiet)
{
fprintf(stderr, "%s: ", progname);
fprintf(stderr, "%s", _("can not write to output file\n"));
}
break;
}
if (ipFlag->NewLine) { /* add additional LF? */
fputc('\x0a', ipOutF);
}
}
}
break;
default: /* unknown FromToMode */
;
#if DEBUG
fprintf(stderr, "%s: ", progname);
fprintf(stderr, _("program error, invalid conversion mode %d\n"),ipFlag->FromToMode);
exit(1);
#endif
}
return RetVal;
}
/* convert file ipInFN to UNIX format text and write to file ipOutFN
* RetVal: 0 if success
* -1 otherwise
*/
int ConvertDosToUnixNewFile(char *ipInFN, char *ipOutFN, CFlag *ipFlag, char *progname)
{
int RetVal = 0;
FILE *InF = NULL;
FILE *TempF = NULL;
char *TempPath;
char *errstr;
struct stat StatBuf;
struct utimbuf UTimeBuf;
#ifndef NO_CHMOD
mode_t mask;
#endif
#ifdef NO_MKSTEMP
FILE* fd;
#else
int fd;
#endif
char *TargetFN = NULL;
int ResolveSymlinkResult = 0;
ipFlag->status = 0 ;
/* Test if output file is a symbolic link */
if (symbolic_link(ipOutFN) && !ipFlag->Follow)
{
ipFlag->status |= OUTPUTFILE_SYMLINK ;
/* Not a failure, skipping input file according spec. (keep symbolic link unchanged) */
return -1;
}
/* Test if input file is a regular file or symbolic link */
if (regfile(ipInFN, 1, ipFlag, progname))
{
ipFlag->status |= NO_REGFILE ;
/* Not a failure, skipping non-regular input file according spec. */
return -1;
}
/* Test if input file target is a regular file */
if (symbolic_link(ipInFN) && regfile_target(ipInFN, ipFlag,progname))
{
ipFlag->status |= INPUT_TARGET_NO_REGFILE ;
/* Not a failure, skipping non-regular input file according spec. */
return -1;
}
/* Test if output file target is a regular file */
if (symbolic_link(ipOutFN) && (ipFlag->Follow == SYMLINK_FOLLOW) && regfile_target(ipOutFN, ipFlag,progname))
{
ipFlag->status |= OUTPUT_TARGET_NO_REGFILE ;
/* Failure, input is regular, cannot produce output. */
if (!ipFlag->error) ipFlag->error = 1;
return -1;
}
/* retrieve ipInFN file date stamp */
if (stat(ipInFN, &StatBuf))
{
if (!ipFlag->Quiet)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: %s: %s\n", progname, ipInFN, errstr);
}
RetVal = -1;
}
#ifdef NO_MKSTEMP
if((fd = MakeTempFileFrom(ipOutFN, &TempPath))==NULL) {
#else
if((fd = MakeTempFileFrom (ipOutFN, &TempPath)) < 0) {
#endif
if (!ipFlag->Quiet)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: ", progname);
fprintf(stderr, _("Failed to open temporary output file: %s\n"), errstr);
}
RetVal = -1;
}
#if DEBUG
fprintf(stderr, "%s: ", progname);
fprintf(stderr, _("using %s as temporary file\n"), TempPath);
#endif
/* can open in file? */
if (!RetVal)
{
InF=OpenInFile(ipInFN);
if (InF == NULL)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: %s: %s\n", progname, ipInFN, errstr);
RetVal = -1;
}
}
/* can open output file? */
if ((!RetVal) && (InF))
{
#ifdef NO_MKSTEMP
if ((TempF=fd) == NULL)
{
#else
if ((TempF=OpenOutFile(fd)) == NULL)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: %s\n", progname, errstr);
#endif
fclose (InF);
InF = NULL;
RetVal = -1;
}
}
InF = read_bom(InF, &ipFlag->bomtype);
#ifdef D2U_UNICODE
#ifndef MSDOS /* Unix, Cygwin */
if ((ipFlag->bomtype == FILE_UTF16LE) || (ipFlag->bomtype == FILE_UTF16BE))
{
if (strcmp(nl_langinfo(CODESET), "UTF-8") != 0)
{
/* Don't convert UTF-16 files when the locale encoding is not UTF-8
* to prevent loss of characters. */
ipFlag->status |= LOCALE_NOT_UTF8 ;
if (!ipFlag->error) ipFlag->error = 1;
RetVal = -1;
}
}
#endif
#if !defined(WIN32) && !defined(__CYGWIN__) /* Not Windows or Cygwin */
if ((ipFlag->bomtype == FILE_UTF16LE) || (ipFlag->bomtype == FILE_UTF16BE))
{
if (sizeof(wchar_t) < 4)
{
/* A decoded UTF-16 surrogate pair must fit in a wchar_t */
ipFlag->status |= WCHAR_T_TOO_SMALL ;
if (!ipFlag->error) ipFlag->error = 1;
RetVal = -1;
}
}
#endif
#endif
if (ipFlag->add_bom)
fprintf(TempF, "%s", "\xEF\xBB\xBF"); /* UTF-8 BOM */
/* Turn off ISO and 7-bit conversion for Unicode text files */
if (ipFlag->bomtype > 0)
ipFlag->ConvMode = CONVMODE_ASCII;
/* conversion sucessful? */
#ifdef D2U_UNICODE
if ((ipFlag->bomtype == FILE_UTF16LE) || (ipFlag->bomtype == FILE_UTF16BE))
{
if ((!RetVal) && (ConvertDosToUnixW(InF, TempF, ipFlag, progname)))
RetVal = -1;
if (ipFlag->status & UNICODE_CONVERSION_ERROR)
{
if (!ipFlag->error) ipFlag->error = 1;
RetVal = -1;
}
} else {
if ((!RetVal) && (ConvertDosToUnix(InF, TempF, ipFlag, progname)))
RetVal = -1;
}
#else
if ((!RetVal) && (ConvertDosToUnix(InF, TempF, ipFlag, progname)))
RetVal = -1;
#endif
/* can close in file? */
if ((InF) && (fclose(InF) == EOF))
RetVal = -1;
/* can close output file? */
if ((TempF) && (fclose(TempF) == EOF))
RetVal = -1;
#ifdef NO_MKSTEMP
if(fd!=NULL)
fclose(fd);
#else
if(fd>=0)
close(fd);
#endif
#ifndef NO_CHMOD
if (!RetVal)
{
if (ipFlag->NewFile == 0) /* old file mode */
{
RetVal = chmod (TempPath, StatBuf.st_mode); /* set original permissions */
}
else
{
mask = umask(0); /* get process's umask */
umask(mask); /* set umask back to original */
RetVal = chmod(TempPath, StatBuf.st_mode & ~mask); /* set original permissions, minus umask */
}
if (RetVal)
{
if (!ipFlag->Quiet)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: ", progname);
fprintf(stderr, _("Failed to change the permissions of temporary output file %s: %s\n"), TempPath, errstr);
}
}
}
#endif
#ifndef NO_CHOWN
if (!RetVal && (ipFlag->NewFile == 0)) /* old file mode */
{
/* Change owner and group of the the tempory output file to the original file's uid and gid. */
/* Required when a different user (e.g. root) has write permission on the original file. */
/* Make sure that the original owner can still access the file. */
if (chown(TempPath, StatBuf.st_uid, StatBuf.st_gid))
{
if (!ipFlag->Quiet)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: ", progname);
fprintf(stderr, _("Failed to change the owner and group of temporary output file %s: %s\n"), TempPath, errstr);
}
RetVal = -1;
}
}
#endif
if ((!RetVal) && (ipFlag->KeepDate))
{
UTimeBuf.actime = StatBuf.st_atime;
UTimeBuf.modtime = StatBuf.st_mtime;
/* can change output file time to in file time? */
if (utime(TempPath, &UTimeBuf) == -1)
{
if (!ipFlag->Quiet)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: %s: %s\n", progname, TempPath, errstr);
}
RetVal = -1;
}
}
/* any error? cleanup the temp file */
if (RetVal && (TempPath != NULL))
{
if (unlink(TempPath) && (errno != ENOENT))
{
if (!ipFlag->Quiet)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: %s: %s\n", progname, TempPath, errstr);
}
RetVal = -1;
}
}
/* If output file is a symbolic link, optional resolve the link and modify */
/* the target, instead of removing the link and creating a new regular file */
TargetFN = ipOutFN;
if (symbolic_link(ipOutFN) && !RetVal)
{
ResolveSymlinkResult = 0; /* indicates that TargetFN need not be freed */
if (ipFlag->Follow == SYMLINK_FOLLOW)
{
ResolveSymlinkResult = ResolveSymbolicLink(ipOutFN, &TargetFN, ipFlag, progname);
if (ResolveSymlinkResult < 0)
{
if (!ipFlag->Quiet)
{
fprintf(stderr, "%s: ", progname);
fprintf(stderr, _("problems resolving symbolic link '%s'\n"), ipOutFN);
fprintf(stderr, _(" output file remains in '%s'\n"), TempPath);
}
RetVal = -1;
}
}
}
/* can rename temporary file to output file? */
if (!RetVal)
{
#ifdef NEED_REMOVE
if (unlink(TargetFN) && (errno != ENOENT))
{
if (!ipFlag->Quiet)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: %s: %s\n", progname, TargetFN, errstr);
}
RetVal = -1;
}
#endif
if (rename(TempPath, TargetFN) == -1)
{
if (!ipFlag->Quiet)
{
ipFlag->error = errno;
errstr = strerror(errno);
fprintf(stderr, "%s: ", progname);
fprintf(stderr, _("problems renaming '%s' to '%s': %s\n"), TempPath, TargetFN, errstr);
#ifdef S_ISLNK
if (ResolveSymlinkResult > 0)
fprintf(stderr, _(" which is the target of symbolic link '%s'\n"), ipOutFN);
#endif
fprintf(stderr, _(" output file remains in '%s'\n"), TempPath);
}
RetVal = -1;
}
if (ResolveSymlinkResult > 0)
free(TargetFN);
}
free(TempPath);
return RetVal;
}
/* convert stdin to UNIX format text and write to stdout
* RetVal: 0 if success
* -1 otherwise
*/
int ConvertDosToUnixStdio(CFlag *ipFlag, char *progname)
{
ipFlag->NewFile = 1;
ipFlag->Quiet = 1;
ipFlag->KeepDate = 0;
ipFlag->Force = 1;
#if defined(WIN32) && !defined(__CYGWIN__)
/* stdin and stdout are by default text streams. We need
* to set them to binary mode. Otherwise an LF will
* automatically be converted to CR-LF on DOS/Windows.
* Erwin */
/* 'setmode' was deprecated by MicroSoft
* since Visual C++ 2005. Use '_setmode' instead. */
_setmode(fileno(stdout), O_BINARY);
_setmode(fileno(stdin), O_BINARY);
#elif defined(MSDOS) || defined(__CYGWIN__) || defined(__OS2__)
setmode(fileno(stdout), O_BINARY);
setmode(fileno(stdin), O_BINARY);
#endif
read_bom(stdin, &ipFlag->bomtype);
if (ipFlag->add_bom)
fprintf(stdout, "%s", "\xEF\xBB\xBF"); /* UTF-8 BOM */
#ifdef D2U_UNICODE
if ((ipFlag->bomtype == FILE_UTF16LE) || (ipFlag->bomtype == FILE_UTF16BE))
{
return (ConvertDosToUnixW(stdin, stdout, ipFlag, progname));
} else {
return (ConvertDosToUnix(stdin, stdout, ipFlag, progname));
}
#else
return (ConvertDosToUnix(stdin, stdout, ipFlag, progname));
#endif
}
int main (int argc, char *argv[])
{
/* variable declarations */
char progname[9];
int ArgIdx;
int CanSwitchFileMode;
int ShouldExit;
int RetVal = 0;
int process_options = 1;
CFlag *pFlag;
char *ptr;
#ifdef ENABLE_NLS
char localedir[1024];
#endif
# ifdef __MINGW64__
int _dowildcard = -1; /* enable wildcard expansion for Win64 */
# endif
progname[8] = '\0';
strcpy(progname,"dos2unix");
#ifdef ENABLE_NLS
ptr = getenv("DOS2UNIX_LOCALEDIR");
if (ptr == NULL)
strcpy(localedir,LOCALEDIR);
else
{
if (strlen(ptr) < sizeof(localedir))
strcpy(localedir,ptr);
else
{
fprintf(stderr,"%s: ",progname);
fprintf(stderr, "%s", _("error: Value of environment variable DOS2UNIX_LOCALEDIR is too long.\n"));
strcpy(localedir,LOCALEDIR);
}
}
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, localedir);
textdomain (PACKAGE);
#endif
/* variable initialisations */
ArgIdx = 0;
CanSwitchFileMode = 1;
ShouldExit = 0;
pFlag = (CFlag*)malloc(sizeof(CFlag));
pFlag->NewFile = 0;
pFlag->Quiet = 0;
pFlag->KeepDate = 0;
pFlag->ConvMode = CONVMODE_ASCII; /* default ascii */
pFlag->FromToMode = FROMTO_DOS2UNIX; /* default dos2unix */
pFlag->NewLine = 0;
pFlag->Force = 0;
pFlag->Follow = SYMLINK_SKIP;
pFlag->status = 0;
pFlag->stdio_mode = 1;
pFlag->error = 0;
#ifdef D2U_UNICODE
pFlag->bomtype = FILE_MBS;
#endif
pFlag->add_bom = 0;
if ( ((ptr=strrchr(argv[0],'/')) == NULL) && ((ptr=strrchr(argv[0],'\\')) == NULL) )
ptr = argv[0];
else
ptr++;
if ((strcmpi("mac2unix", ptr) == 0) || (strcmpi("mac2unix.exe", ptr) == 0))
{
pFlag->FromToMode = FROMTO_MAC2UNIX;
strcpy(progname,"mac2unix");
}
while ((++ArgIdx < argc) && (!ShouldExit))
{
/* is it an option? */
if ((argv[ArgIdx][0] == '-') && process_options)
{
/* an option */
if (strcmp(argv[ArgIdx],"--") == 0)
process_options = 0;
else if ((strcmp(argv[ArgIdx],"-h") == 0) || (strcmp(argv[ArgIdx],"--help") == 0))
{
PrintUsage(progname);
return(pFlag->error);
}
else if ((strcmp(argv[ArgIdx],"-k") == 0) || (strcmp(argv[ArgIdx],"--keepdate") == 0))
pFlag->KeepDate = 1;
else if ((strcmp(argv[ArgIdx],"-f") == 0) || (strcmp(argv[ArgIdx],"--force") == 0))
pFlag->Force = 1;
else if ((strcmp(argv[ArgIdx],"-s") == 0) || (strcmp(argv[ArgIdx],"--safe") == 0))
pFlag->Force = 0;
else if ((strcmp(argv[ArgIdx],"-q") == 0) || (strcmp(argv[ArgIdx],"--quiet") == 0))
pFlag->Quiet = 1;
else if ((strcmp(argv[ArgIdx],"-l") == 0) || (strcmp(argv[ArgIdx],"--newline") == 0))
pFlag->NewLine = 1;
else if ((strcmp(argv[ArgIdx],"-m") == 0) || (strcmp(argv[ArgIdx],"--add-bom") == 0))
pFlag->add_bom = 1;
else if ((strcmp(argv[ArgIdx],"-S") == 0) || (strcmp(argv[ArgIdx],"--skip-symlink") == 0))
pFlag->Follow = SYMLINK_SKIP;
else if ((strcmp(argv[ArgIdx],"-F") == 0) || (strcmp(argv[ArgIdx],"--follow-symlink") == 0))
pFlag->Follow = SYMLINK_FOLLOW;
else if ((strcmp(argv[ArgIdx],"-R") == 0) || (strcmp(argv[ArgIdx],"--replace-symlink") == 0))
pFlag->Follow = SYMLINK_REPLACE;
else if ((strcmp(argv[ArgIdx],"-V") == 0) || (strcmp(argv[ArgIdx],"--version") == 0))
{
PrintVersion(progname);
#ifdef ENABLE_NLS
PrintLocaledir(localedir);
#endif
return(pFlag->error);
}
else if ((strcmp(argv[ArgIdx],"-L") == 0) || (strcmp(argv[ArgIdx],"--license") == 0))
{
PrintLicense();
return(pFlag->error);
}
else if (strcmp(argv[ArgIdx],"-ascii") == 0) /* SunOS compatible options */
pFlag->ConvMode = CONVMODE_ASCII;
else if (strcmp(argv[ArgIdx],"-7") == 0)
pFlag->ConvMode = CONVMODE_7BIT;
else if (strcmp(argv[ArgIdx],"-iso") == 0)
{
pFlag->ConvMode = (int)query_con_codepage();
if (!pFlag->Quiet)
{
fprintf(stderr,"%s: ",progname);
fprintf(stderr,_("active code page: %d\n"), pFlag->ConvMode);
}
if (pFlag->ConvMode < 2)
pFlag->ConvMode = CONVMODE_437;
}
else if (strcmp(argv[ArgIdx],"-437") == 0)
pFlag->ConvMode = CONVMODE_437;
else if (strcmp(argv[ArgIdx],"-850") == 0)
pFlag->ConvMode = CONVMODE_850;
else if (strcmp(argv[ArgIdx],"-860") == 0)
pFlag->ConvMode = CONVMODE_860;
else if (strcmp(argv[ArgIdx],"-863") == 0)
pFlag->ConvMode = CONVMODE_863;
else if (strcmp(argv[ArgIdx],"-865") == 0)
pFlag->ConvMode = CONVMODE_865;
else if (strcmp(argv[ArgIdx],"-1252") == 0)
pFlag->ConvMode = CONVMODE_1252;
else if ((strcmp(argv[ArgIdx],"-c") == 0) || (strcmp(argv[ArgIdx],"--convmode") == 0))
{
if (++ArgIdx < argc)
{
if (strcmpi(argv[ArgIdx],"ascii") == 0) /* Benjamin Lin's legacy options */
pFlag->ConvMode = CONVMODE_ASCII;
else if (strcmpi(argv[ArgIdx], "7bit") == 0)
pFlag->ConvMode = CONVMODE_7BIT;
else if (strcmpi(argv[ArgIdx], "iso") == 0)
{
pFlag->ConvMode = (int)query_con_codepage();
if (!pFlag->Quiet)
{
fprintf(stderr,"%s: ",progname);
fprintf(stderr,_("active code page: %d\n"), pFlag->ConvMode);
}
if (pFlag->ConvMode < 2)
pFlag->ConvMode = CONVMODE_437;
}
else if (strcmpi(argv[ArgIdx], "mac") == 0)
pFlag->FromToMode = FROMTO_MAC2UNIX;
else
{
fprintf(stderr,"%s: ",progname);
fprintf(stderr, _("invalid %s conversion mode specified\n"),argv[ArgIdx]);
pFlag->error = 1;
ShouldExit = 1;
pFlag->stdio_mode = 0;
}
}
else
{
ArgIdx--;
fprintf(stderr,"%s: ",progname);
fprintf(stderr,_("option '%s' requires an argument\n"),argv[ArgIdx]);
pFlag->error = 1;
ShouldExit = 1;
pFlag->stdio_mode = 0;
}
}
else if ((strcmp(argv[ArgIdx],"-o") == 0) || (strcmp(argv[ArgIdx],"--oldfile") == 0))
{
/* last convert not paired */
if (!CanSwitchFileMode)
{
fprintf(stderr,"%s: ",progname);
fprintf(stderr, _("target of file %s not specified in new file mode\n"), argv[ArgIdx-1]);
pFlag->error = 1;
ShouldExit = 1;
pFlag->stdio_mode = 0;
}
pFlag->NewFile = 0;
}
else if ((strcmp(argv[ArgIdx],"-n") == 0) || (strcmp(argv[ArgIdx],"--newfile") == 0))
{
/* last convert not paired */
if (!CanSwitchFileMode)
{
fprintf(stderr,"%s: ",progname);
fprintf(stderr, _("target of file %s not specified in new file mode\n"), argv[ArgIdx-1]);
pFlag->error = 1;
ShouldExit = 1;
pFlag->stdio_mode = 0;
}
pFlag->NewFile = 1;
}
else { /* wrong option */
PrintUsage(progname);
ShouldExit = 1;
pFlag->error = 1;
pFlag->stdio_mode = 0;
}
}
else
{
pFlag->stdio_mode = 0;
/* not an option */
if (pFlag->NewFile)