Lines Matching defs:Z_NULL
117 Bytef *extra; /* pointer to extra field or Z_NULL if none */
118 uInt extra_len; /* extra field length (valid if extra != Z_NULL) */
120 Bytef *name; /* pointer to zero-terminated file name or Z_NULL */
122 Bytef *comment; /* pointer to zero-terminated comment or Z_NULL */
143 zalloc must return Z_NULL if there is not enough memory for the object.
208 #define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
228 zalloc and zfree are set to Z_NULL, deflateInit updates them to use default
345 if next_in or next_out was Z_NULL), Z_BUF_ERROR if no progress is possible
371 the caller. If next_in is not Z_NULL and avail_in is large enough (the
375 inflate. If zalloc and zfree are set to Z_NULL, inflateInit updates them to
489 next_in or next_out was Z_NULL), Z_MEM_ERROR if there was not enough memory,
611 parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is
631 (such as zalloc being Z_NULL). msg is left unchanged in both source and
643 stream state was inconsistent (such as zalloc or state being Z_NULL).
719 caller must assure that, if not Z_NULL, name and comment are terminated with
720 a zero byte, and that if extra is not Z_NULL, that extra_len bytes are
799 parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is
833 (such as zalloc being Z_NULL). msg is left unchanged in both source and
844 stream state was inconsistent (such as zalloc or state being Z_NULL).
855 stream state was inconsistent (such as zalloc or state being Z_NULL), or if
923 was valid if done is set to one.) If extra is not Z_NULL, then extra_max
927 If name is not Z_NULL, then up to name_max characters are written there,
929 comment is not Z_NULL, then up to comm_max characters are written there,
931 of extra, name, or comment are not Z_NULL and the respective field is not
932 present in the header, then that field is set to Z_NULL to signal its
954 before the call. If zalloc and zfree are Z_NULL, then the default library-
1018 calling inflateBack(). If strm->next_in is Z_NULL, then in() will be called
1019 immediately for input. If strm->next_in is not Z_NULL, then strm->avail_in
1035 using strm->next_in which will be Z_NULL only if in() returned an error. If
1036 strm->next_in is not Z_NULL, then the Z_BUF_ERROR was due to out() returning
1472 return the updated checksum. If buf is Z_NULL, this function returns the
1480 uLong adler = adler32(0L, Z_NULL, 0);
1501 updated CRC-32. If buf is Z_NULL, this function returns the required
1508 uLong crc = crc32(0L, Z_NULL, 0);