Fix "unknown error" (means truncated), move "junk at EOF" to warnings section of man page.

5 files changed, 22 insertions, 16 deletions

diff --git a/src/Makefile b/src/Makefile
index 68d6244..57d389e 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -35,7 +35,7 @@ STRIP=yes
 #
 ### No user-serviceable parts below.
 
-VERSION=0.1.0
+VERSION=0.2.0
 
 CFLAGS=-DVERSION='"$(VERSION)"' -Wall -I../f65 $(COPT)
 
diff --git a/src/asmcode.c b/src/asmcode.c
index bee7752..831ba1c 100644
--- a/src/asmcode.c
+++ b/src/asmcode.c
@@ -2,7 +2,7 @@
 #include "addrs.h"
 
 extern void chksum_err(void);
-extern void unknown_err(void);
+extern void truncated_err(void);
 extern void stack_underrun(void);
 extern void stack_overrun(void);
 
@@ -210,7 +210,7 @@ L770F:
 	jmp(L779B);
 /* ---------------------------------------------------------------------------- */
 L7712:
-	unknown_err(); /* exits! */
+	truncated_err(); /* exits! */
 /* ---------------------------------------------------------------------------- */
 L771C:
 	tay();
diff --git a/src/extract.c b/src/extract.c
index b2ee615..305cd4a 100644
--- a/src/extract.c
+++ b/src/extract.c
@@ -181,8 +181,8 @@ void chksum_err(void) {
 	fprintf(stderr, "%s: checksum error on %s\n", self, out_filename);
 }
 
-void unknown_err(void){
-	fprintf(stderr, "%s: fatal: unknown error (L7712)\n", self);
+void truncated_err(void){
+	fprintf(stderr, "%s: fatal: compressed data is truncated, EOF before end marker\n", self);
 	exit(1);
 }
 
diff --git a/src/unalf.1 b/src/unalf.1
index 5ca8547..7b4f8ea 100644
--- a/src/unalf.1
+++ b/src/unalf.1
@@ -27,7 +27,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "UNALF" 1 "2025-11-22" "0.1.0" "Urchlay's Atari 8-bit Tools"
+.TH "UNALF" 1 "2025-11-23" "0.1.0" "Urchlay's Atari 8-bit Tools"
 .SH NAME
 unalf \- extract Atari 8-bit ALF archives
 .\" RST source for unalf(1) man page. Convert with:
@@ -266,6 +266,14 @@ or its first two bytes don\(aqt match the \fIALF\fP signature \fB0x1a\fP \fB0x0f
 Generally means the archive is corrupt. Valid ALF files should never
 cause these errors.
 .TP
+.B \fBfatal: compressed data is truncated, EOF before end marker\fP
+Self\-explanatory. The ALF file ends before the compressed data does.
+.UNINDENT
+.SS Warnings
+.sp
+\fBunalf\fP will continue after these messages occur.
+.INDENT 0.0
+.TP
 .B \fBjunk at EOF (ignored)\fP
 Usually this is caused by the .alf file being stored on a CP/M disk
 at some time, or by a dumb file transfer protocol. Either way, the
@@ -275,11 +283,6 @@ Usually, the padding characters are \fB0x1a\fP, aka ASCII control\-Z.
 If you see this message, you can ignore it. It\(aqs intended to let
 you know that this .alf file can\(aqt be appended to by the
 \fBLZ.COM\fP (aka \fBALF.COM\fP) Atari utility.
-.UNINDENT
-.SS Warnings
-.sp
-\fBunalf\fP will continue after these messages occur.
-.INDENT 0.0
 .TP
 .B \fBchecksum error on\fP \fI<file>\fP
 The archive is corrupt. If \fI<file>\fP is a text file, it may be
diff --git a/src/unalf.rst b/src/unalf.rst
index a1b8abe..f88973d 100644
--- a/src/unalf.rst
+++ b/src/unalf.rst
@@ -222,6 +222,14 @@ Fatal errors
   Generally means the archive is corrupt. Valid ALF files should never
   cause these errors.
 
+**fatal: compressed data is truncated, EOF before end marker**
+  Self-explanatory. The ALF file ends before the compressed data does.
+
+Warnings
+--------
+
+**unalf** will continue after these messages occur.
+
 **junk at EOF (ignored)**
   Usually this is caused by the .alf file being stored on a CP/M disk
   at some time, or by a dumb file transfer protocol. Either way, the
@@ -232,11 +240,6 @@ Fatal errors
   you know that this .alf file can't be appended to by the
   **LZ.COM** (aka **ALF.COM**) Atari utility.
 
-Warnings
---------
-
-**unalf** will continue after these messages occur.
-
 **checksum error on** *<file>*
   The archive is corrupt. If *<file>* is a text file, it may be
   partially readable. If it's an executable or other binary file, it's