diff options
Diffstat (limited to 'compat/zlib/contrib/blast/blast.h')
| -rw-r--r-- | compat/zlib/contrib/blast/blast.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/compat/zlib/contrib/blast/blast.h b/compat/zlib/contrib/blast/blast.h index 658cfd3..6cf65ed 100644 --- a/compat/zlib/contrib/blast/blast.h +++ b/compat/zlib/contrib/blast/blast.h @@ -1,6 +1,6 @@ /* blast.h -- interface for blast.c - Copyright (C) 2003, 2012 Mark Adler - version 1.2, 24 Oct 2012 + Copyright (C) 2003, 2012, 2013 Mark Adler + version 1.3, 24 Aug 2013 This software is provided 'as-is', without any express or implied warranty. In no event will the author be held liable for any damages @@ -42,7 +42,8 @@ typedef int (*blast_out)(void *how, unsigned char *buf, unsigned len); */ -int blast(blast_in infun, void *inhow, blast_out outfun, void *outhow); +int blast(blast_in infun, void *inhow, blast_out outfun, void *outhow, + unsigned *left, unsigned char **in); /* Decompress input to output using the provided infun() and outfun() calls. * On success, the return value of blast() is zero. If there is an error in * the source data, i.e. it is not in the proper format, then a negative value @@ -55,12 +56,19 @@ int blast(blast_in infun, void *inhow, blast_out outfun, void *outhow); * an input error. (blast() only asks for input if it needs it.) inhow is for * use by the application to pass an input descriptor to infun(), if desired. * + * If left and in are not NULL and *left is not zero when blast() is called, + * then the *left bytes are *in are consumed for input before infun() is used. + * * The output function is invoked: err = outfun(how, buf, len), where the bytes * to be written are buf[0..len-1]. If err is not zero, then blast() returns * with an output error. outfun() is always called with len <= 4096. outhow * is for use by the application to pass an output descriptor to outfun(), if * desired. * + * If there is any unused input, *left is set to the number of bytes that were + * read and *in points to them. Otherwise *left is set to zero and *in is set + * to NULL. If left or in are NULL, then they are not set. + * * The return codes are: * * 2: ran out of input before completing decompression |