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Fix gzwrite.c to accommodate reduced memory zlib compilation.

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gzwrite.c had hard-coded parameters to deflateInit2() which could
contradict compile-time options for the use of less memory and fewer
code bits.  This patch suggested by Karsten Saunte fixes that.
This commit is contained in:
Mark Adler 2011-12-08 10:16:31 -08:00
parent afe7cf78d5
commit fb00fda903
2 changed files with 8 additions and 1 deletions
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7
gzguts.h
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@ -117,6 +117,13 @@
ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile)); ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile));
#endif #endif
/* default memLevel */
#if MAX_MEM_LEVEL >= 8
# define DEF_MEM_LEVEL 8
#else
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
#endif
/* default i/o buffer size -- double this for output when reading */ /* default i/o buffer size -- double this for output when reading */
#define GZBUFSIZE 8192 #define GZBUFSIZE 8192

2
gzwrite.c
View File

@ -40,7 +40,7 @@ local int gz_init(state)
strm->zfree = Z_NULL; strm->zfree = Z_NULL;
strm->opaque = Z_NULL; strm->opaque = Z_NULL;
ret = deflateInit2(strm, state->level, Z_DEFLATED, ret = deflateInit2(strm, state->level, Z_DEFLATED,
15 + 16, 8, state->strategy); MAX_WBITS + 16, DEF_MEM_LEVEL, state->strategy);
if (ret != Z_OK) { if (ret != Z_OK) {
free(state->out); free(state->out);
free(state->in); free(state->in);