diff options
Diffstat (limited to 'src/H5Zdeflate.c')
| -rw-r--r-- | src/H5Zdeflate.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/H5Zdeflate.c b/src/H5Zdeflate.c index 3c91836..c147533 100644 --- a/src/H5Zdeflate.c +++ b/src/H5Zdeflate.c @@ -21,6 +21,8 @@ #define INTERFACE_INIT NULL static int interface_initialize_g = 0; +#define H5Z_DEFLATE_SIZE_ADJUST(s) (HDceil((double)((s)*1.001))+12) + /*------------------------------------------------------------------------- * Function: H5Z_filter_deflate @@ -103,10 +105,10 @@ H5Z_filter_deflate (unsigned flags, size_t cd_nelmts, */ const Bytef *z_src = (const Bytef*)(*buf); Bytef *z_dst; /*destination buffer */ - uLongf z_dst_nbytes = (uLongf)nbytes; + uLongf z_dst_nbytes = (uLongf)H5Z_DEFLATE_SIZE_ADJUST(nbytes); uLong z_src_nbytes = (uLong)nbytes; - - if (NULL==(z_dst=outbuf=H5MM_malloc(nbytes))) + + if (NULL==(z_dst=outbuf=H5MM_malloc(z_dst_nbytes))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, 0, "unable to allocate deflate destination buffer"); status = compress2 (z_dst, &z_dst_nbytes, z_src, z_src_nbytes, aggression); if (Z_BUF_ERROR==status) { @@ -114,7 +116,7 @@ H5Z_filter_deflate (unsigned flags, size_t cd_nelmts, } else if (Z_MEM_ERROR==status) { HGOTO_ERROR (H5E_PLINE, H5E_CANTINIT, 0, "deflate memory error"); } else if (Z_OK!=status) { - HGOTO_ERROR (H5E_PLINE, H5E_CANTINIT, 0, "deflate error"); + HGOTO_ERROR (H5E_PLINE, H5E_CANTINIT, 0, "other deflate error"); } else { H5MM_xfree(*buf); *buf = outbuf; |