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Add uncompress2() function, which returns the input size used.

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This commit is contained in:
Mark Adler
2016-11-15 20:45:01 -07:00
parent 001300d0d9
commit 37281ac222
2 changed files with 39 additions and 18 deletions
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10
zlib.h
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@@ -1246,7 +1246,7 @@ ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen,
uncompressed data. (The size of the uncompressed data must have been saved
previously by the compressor and transmitted to the decompressor by some
mechanism outside the scope of this compression library.) Upon exit, destLen
is the actual size of the uncompressed buffer.
is the actual size of the uncompressed data.
uncompress returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if there was not enough room in the output
@@ -1255,6 +1255,14 @@ ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen,
buffer with the uncompressed data up to that point.
*/
ZEXTERN int ZEXPORT uncompress2 OF((Bytef *dest, uLongf *destLen,
const Bytef *source, uLong *sourceLen));
/*
Same as uncompress, except that sourceLen is a pointer, where the
length of the source is *sourceLen. On return, *sourceLen is the number of
source bytes consumed.
*/
/* gzip file access functions */
/*