diff options
Diffstat (limited to 'src/unalf.rst')
| -rw-r--r-- | src/unalf.rst | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/src/unalf.rst b/src/unalf.rst index 146e056..069fad1 100644 --- a/src/unalf.rst +++ b/src/unalf.rst @@ -89,6 +89,13 @@ OPTIONS .. fix (remove) junk at EOF. +-F + Force **unalf** to continue after detecting an invalid compressed file + size in an *ALF* header. This isn't the default because it can cause + **unalf** to get stuck in an infinite loop. + +.. force uncompressing in case of invalid compressed size. + -h, --help Show built-in help message. @@ -242,6 +249,20 @@ Fatal errors **fatal: compressed data is truncated, EOF before end marker** Self-explanatory. The ALF file ends before the compressed data does. +**header #<n> (compressed|original) size is impossibly large (>16MB)** + **unalf** can't handle files of more than 16MB in size. This isn't a + bug, it's just the way it was designed (in 1988, remember). Neither + **LZ.COM** nor **alf** will create files like this, so you *probably* + have a corrupt ALF archive. + +**compressed size for header #<n> is bigger than the rest of the file (truncated?)** + Normally this means a truncated *ALF* file, or one with a corrupted header. + You can use the **-F** option to turn this error into a non-fatal warning. + +**compressed size for header #<n> is over twice the uncompressed size (corrupt?)** + This generally means you have a corrupted *ALF* file. + You can use the **-F** option to turn this error into a non-fatal warning. + Warnings -------- @@ -287,11 +308,9 @@ Warnings any unprintable characters as hex values (e.g. **$01**). **header #<n> (compressed|original) size is...** - Followed by "impossibly large", "suspiciously large", or "too large - to fit on a floppy disk". May indicate a corrupt archive, or someone - really might have created an ALF file with files this big... though - "impossibly large" means >=16MB. **unalf** can't extract a file - that big. + Followed by "suspiciously large" or "too large to fit on a floppy + disk". May indicate a corrupt archive, or someone really might have + created an ALF file with files this big. **ALF files don't normally contain other ALF files, are you trying to extract/list multiple ALF files at once?** You gave a *wildcard* argument that ends with *.alf*. This is OK if |