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