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| author | Mark Adler <madler@alumni.caltech.edu> | 2023-12-07 06:38:10 -0800 |
|---|---|---|
| committer | Mark Adler <madler@alumni.caltech.edu> | 2024-01-13 22:29:58 -0800 |
| commit | 431a9b65eacab7efabf2230ba97ff426c0e07f9d (patch) | |
| tree | ff2ac0b4b9498dbff3a4ce3cab12a862d38451a7 /zutil.h | |
| parent | 643e17b7498d12ab8d15565662880579692f769d (diff) | |
| download | zlib-431a9b65eacab7efabf2230ba97ff426c0e07f9d.tar.gz zlib-431a9b65eacab7efabf2230ba97ff426c0e07f9d.tar.bz2 zlib-431a9b65eacab7efabf2230ba97ff426c0e07f9d.zip | |
Add bounds checking to ERR_MSG() macro, used by zError().
Diffstat (limited to 'zutil.h')
| -rw-r--r-- | zutil.h | 2 |
1 files changed, 1 insertions, 1 deletions
| @@ -56,7 +56,7 @@ typedef unsigned long ulg; | |||
| 56 | extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ | 56 | extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ |
| 57 | /* (size given to avoid silly warnings with Visual C++) */ | 57 | /* (size given to avoid silly warnings with Visual C++) */ |
| 58 | 58 | ||
| 59 | #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] | 59 | #define ERR_MSG(err) z_errmsg[(err) < -6 || (err) > 2 ? 9 : 2 - (err)] |
| 60 | 60 | ||
| 61 | #define ERR_RETURN(strm,err) \ | 61 | #define ERR_RETURN(strm,err) \ |
| 62 | return (strm->msg = ERR_MSG(err), (err)) | 62 | return (strm->msg = ERR_MSG(err), (err)) |