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zlib 1.1.2

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This commit is contained in:
Mark Adler
2011-09-09 23:20:15 -07:00
parent 02b6cf579f
commit c34c1fcbb1
39 changed files with 4751 additions and 108 deletions
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23
gzio.c
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@@ -13,8 +13,16 @@
struct internal_state {int dummy;}; /* for buggy compilers */
#define Z_BUFSIZE 16384
#define Z_PRINTF_BUFSIZE 4096
#ifndef Z_BUFSIZE
# ifdef MAXSEG_64K
# define Z_BUFSIZE 4096 /* minimize memory usage for 16-bit DOS */
# else
# define Z_BUFSIZE 16384
# endif
#endif
#ifndef Z_PRINTF_BUFSIZE
# define Z_PRINTF_BUFSIZE 4096
#endif
#define ALLOC(size) malloc(size)
#define TRYFREE(p) {if (p) free(p);}
@@ -132,8 +140,12 @@ local gzFile gz_open (path, mode, fd)
s->stream.next_in = s->inbuf = (Byte*)ALLOC(Z_BUFSIZE);
err = inflateInit2(&(s->stream), -MAX_WBITS);
/* windowBits is passed < 0 to tell that there is no zlib header */
/* windowBits is passed < 0 to tell that there is no zlib header.
* Note that in this case inflate *requires* an extra "dummy" byte
* after the compressed stream in order to complete decompression and
* return Z_STREAM_END. Here the gzip CRC32 ensures that 4 bytes are
* present after the compressed stream.
*/
if (err != Z_OK || s->inbuf == Z_NULL) {
return destroy(s), (gzFile)Z_NULL;
}
@@ -379,6 +391,7 @@ int ZEXPORT gzread (file, buf, len)
len -= s->stream.avail_out;
s->stream.total_in += (uLong)len;
s->stream.total_out += (uLong)len;
if (len == 0) s->z_eof = 1;
return (int)len;
}
if (s->stream.avail_in == 0 && !s->z_eof) {
@@ -572,7 +585,7 @@ int ZEXPORT gzputs(file, s)
gzFile file;
const char *s;
{
return gzwrite(file, (const voidp)s, (unsigned)strlen(s));
return gzwrite(file, (char*)s, (unsigned)strlen(s));
}