Add back -wrapchar option to "binary encode uuencode".

3 files changed, 31 insertions, 20 deletions

diff --git a/doc/binary.n b/doc/binary.n
index 95be36e..9f22fb1 100644
--- a/doc/binary.n
+++ b/doc/binary.n
@@ -64,7 +64,7 @@ Indicates that the output should be split into lines of no more than
 .
 Indicates that, when lines are split because of the \fB\-maxlen\fR option,
 \fIcharacter\fR should be used to separate lines. By default, this is a
-newline character,
+newline character.
 .QW \en .
 .PP
 During decoding, the following options are supported:
@@ -102,6 +102,13 @@ During encoding, the following options are supported:
 Indicates that the output should be split into lines of no more than
 \fIlength\fR characters. By default, lines are split every 61 characters, and
 this must be in the range 3 to 85 due to limitations in the encoding.
+.TP
+\fB\-wrapchar \fIcharacter\fR
+.
+Indicates that, when lines are split because of the \fB\-maxlen\fR option,
+\fIcharacter\fR should be used to separate lines. By default, this is a
+newline character.
+.QW \en .
 .PP
 During decoding, the following options are supported:
 .TP
diff --git a/generic/tclBinary.c b/generic/tclBinary.c
index 71da309..98a4d31 100644
--- a/generic/tclBinary.c
+++ b/generic/tclBinary.c
@@ -2584,13 +2584,15 @@ BinaryEncodeUu(
 {
     Tcl_Obj *resultObj;
     unsigned char *data, *start, *cursor;
-    int offset, count, rawLength, n, i, bits, index;
+    int offset, count, rawLength, n, i, j, bits, index;
     int lineLength = 61;
-    enum {OPT_MAXLEN};
-    static const char *const optStrings[] = { "-maxlen", NULL };
+    const char *wrapchar = "\n";
+    int wrapcharlen = 1;
+    enum {OPT_MAXLEN, OPT_WRAPCHAR };
+    static const char *const optStrings[] = { "-maxlen", "-wrapchar", NULL };
 
     if (objc < 2 || objc%2 != 0) {
-	Tcl_WrongNumArgs(interp, 1, objv, "?-maxlen len? data");
+	Tcl_WrongNumArgs(interp, 1, objv, "?-maxlen len? ?-wrapchar char? data");
 	return TCL_ERROR;
     }
     for (i = 1; i < objc-1; i += 2) {
@@ -2610,6 +2612,15 @@ BinaryEncodeUu(
 		return TCL_ERROR;
 	    }
 	    break;
+	case OPT_WRAPCHAR:
+	    wrapchar = Tcl_GetStringFromObj(objv[i+1], &wrapcharlen);
+	    if (wrapcharlen < 0 || wrapcharlen > 2) {
+		Tcl_SetResult(interp, "wrap char out of range", TCL_STATIC);
+		Tcl_SetErrorCode(interp, "TCL", "BINARY", "ENCODE",
+			"WRAP_CHAR", NULL);
+		return TCL_ERROR;
+	    }
+	    break;
 	}
     }
 
@@ -2623,7 +2634,7 @@ BinaryEncodeUu(
     data = Tcl_GetByteArrayFromObj(objv[objc-1], &count);
     rawLength = (lineLength - 1) * 3 / 4;
     start = cursor = Tcl_SetByteArrayLength(resultObj,
-	    (lineLength + 1) * ((count + (rawLength - 1)) / rawLength));
+	    (lineLength + wrapcharlen) * ((count + (rawLength - 1)) / rawLength));
     n = bits = 0;
 
     /*
@@ -2652,7 +2663,9 @@ BinaryEncodeUu(
 	    *cursor++ = UueDigits[(n >> (bits + 2)) & 0x3f];
 	    bits = 0;
 	}
-	*cursor++ = '\n';
+	for (j=0; j<wrapcharlen; ++j) {
+	    *cursor++ = wrapchar[j];
+	}
     }
 
     /*
diff --git a/tests/binary.test b/tests/binary.test
index 4b71b77..ff1929f 100644
--- a/tests/binary.test
+++ b/tests/binary.test
@@ -2733,23 +2733,14 @@ test binary-74.9 {binary encode uuencode} -body {
 } -result {$``````
 }
 test binary-74.10 {binary encode uuencode} -returnCodes error -body {
-    binary encode uuencode -maxlen 30 -wrapchar | abcabcabc
-} -result {bad option "-wrapchar": must be -maxlen}
+    binary encode uuencode -foo 30 abcabcabc
+} -result {bad option "-foo": must be -maxlen or -wrapchar}
 test binary-74.11 {binary encode uuencode} -returnCodes error -body {
     binary encode uuencode -maxlen 1 abcabcabc
 } -result {line length out of range}
 test binary-74.12 {binary encode uuencode} -body {
-    binary encode uuencode -maxlen 3 abcabcabc
-} -result {!80
-!8@
-!8P
-!80
-!8@
-!8P
-!80
-!8@
-!8P
-}
+    binary encode uuencode -maxlen 3 -wrapchar | abcabcabc
+} -result {!80|!8@|!8P|!80|!8@|!8P|!80|!8@|!8P|}
 
 test binary-75.1 {binary decode uuencode} -body {
     binary decode uuencode