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safer conversion w/ mac2unix (fix from bz #57508)

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riel 2004-09-26 21:20:56 +00:00
parent 5dfcf9c160
commit 755e19b1bf
2 changed files with 94 additions and 1 deletions
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88
dos2unix-3.1-safeconv.patch Normal file
View File

@ -0,0 +1,88 @@
* Fix http://bugzilla.redhat.com/57508 (make dos2unix not modify Mac
files unless in mac2unix mode)
* Make mac2unix mode not create duplicate Unix line delimiters when
run on a DOS file. (mschwendt@users.sf.net)
diff -Nur dos2unix-3.1-orig/dos2unix.c dos2unix-3.1/dos2unix.c
--- dos2unix-3.1-orig/dos2unix.c 1998-11-19 13:19:25.000000000 +0100
+++ dos2unix-3.1/dos2unix.c 2004-09-26 20:57:41.606587616 +0200
@@ -153,6 +153,24 @@
}
+int StripDelimiter(FILE* ipInF, FILE* ipOutF, CFlag *ipFlag, int CurChar)
+{
+ int TempNextChar;
+ /* Don't modify Mac files when in dos2unix mode. */
+ if ( (TempNextChar = getc(ipInF)) != EOF) {
+ ungetc( TempNextChar, ipInF ); /* put back peek char */
+ if ( TempNextChar != '\x0a' ) {
+ putc( CurChar, ipOutF ); /* Mac line, put back CR */
+ }
+ }
+ else if ( CurChar == '\x0d' ) { /* EOF: last Mac line delimiter (CR)? */
+ putc( CurChar, ipOutF );
+ }
+ if (ipFlag->NewLine) { /* add additional LF? */
+ putc('\n', ipOutF);
+ }
+}
+
/* converts stream ipInF to UNIX format text and write to stream ipOutF
* RetVal: 0 if success
* -1 otherwise
@@ -161,6 +179,7 @@
{
int RetVal = 0;
int TempChar;
+ int TempNextChar;
if ( macmode )
ipFlag->ConvMode = 3;
@@ -177,9 +196,7 @@
break;
}
} else {
- if (ipFlag->NewLine) {
- putc('\n', ipOutF);
- }
+ StripDelimiter( ipInF, ipOutF, ipFlag, TempChar );
}
}
break;
@@ -193,9 +210,7 @@
break;
}
} else {
- if (ipFlag->NewLine) {
- putc('\n', ipOutF);
- }
+ StripDelimiter( ipInF, ipOutF, ipFlag, TempChar );
}
}
break;
@@ -209,9 +224,7 @@
break;
}
} else {
- if (ipFlag->NewLine) {
- putc('\n', ipOutF);
- }
+ StripDelimiter( ipInF, ipOutF, ipFlag, TempChar );
}
}
break;
@@ -227,6 +240,13 @@
}
}
else{
+ if ( (TempNextChar = getc(ipInF)) != EOF) {
+ ungetc( TempNextChar, ipInF ); /* put back peek char */
+ /* Don't touch this delimiter if it's a CR,LF pair. */
+ if ( TempNextChar == '\x0a' ) {
+ continue;
+ }
+ }
if (putc('\x0a', ipOutF) == EOF)
{
RetVal = -1;

7
dos2unix.spec
View File

@ -1,12 +1,13 @@
Summary: Text file format converter
Name: dos2unix
Version: 3.1
Release: 18
Release: 19
Group: Applications/Text
License: Freely distributable
Source: %{name}-%{version}.tar.bz2
Patch0: %{name}-%{version}.patch
Patch1: dos2unix-3.1-segfault.patch
Patch2: dos2unix-3.1-safeconv.patch
Buildroot: %{_tmppath}/%{name}-%{version}-root
%description
@ -16,6 +17,7 @@ Dos2unix converts DOS or MAC text files to UNIX format.
%setup -q
%patch0 -p1 -b .orig
%patch1 -p1 -b .segf
%patch2 -p1 -b .safe
for I in *.[ch]; do
sed -e 's,#endif.*,#endif,g' -e 's,#else.*,#else,g' $I > $I.new
mv -f $I.new $I
@ -46,6 +48,9 @@ install -m444 mac2unix.1 $RPM_BUILD_ROOT%{_mandir}/man1
rm -rf $RPM_BUILD_ROOT
%changelog
* Sun Sep 26 2004 Rik van Riel <riel@redhat.com> 3.1-19
- safer conversion w/ mac2unix (fix from bz #57508)
* Tue Jun 15 2004 Elliot Lee <sopwith@redhat.com>
- rebuilt