Index: third_party/zlib/gzguts.h |
diff --git a/third_party/zlib/gzguts.h b/third_party/zlib/gzguts.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..0f8fb79f87d4f65e7f5667129c763e3a361199f2 |
--- /dev/null |
+++ b/third_party/zlib/gzguts.h |
@@ -0,0 +1,132 @@ |
+/* gzguts.h -- zlib internal header definitions for gz* operations |
+ * Copyright (C) 2004, 2005, 2010 Mark Adler |
+ * For conditions of distribution and use, see copyright notice in zlib.h |
+ */ |
+ |
+#ifdef _LARGEFILE64_SOURCE |
+# ifndef _LARGEFILE_SOURCE |
+# define _LARGEFILE_SOURCE 1 |
+# endif |
+# ifdef _FILE_OFFSET_BITS |
+# undef _FILE_OFFSET_BITS |
+# endif |
+#endif |
+ |
+#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ) |
+# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) |
+#else |
+# define ZLIB_INTERNAL |
+#endif |
+ |
+#include <stdio.h> |
+#include "zlib.h" |
+#ifdef STDC |
+# include <string.h> |
+# include <stdlib.h> |
+# include <limits.h> |
+#endif |
+#include <fcntl.h> |
+ |
+#ifdef NO_DEFLATE /* for compatibility with old definition */ |
+# define NO_GZCOMPRESS |
+#endif |
+ |
+#ifdef _MSC_VER |
+# include <io.h> |
+# define vsnprintf _vsnprintf |
+#endif |
+ |
+#ifndef local |
+# define local static |
+#endif |
+/* compile with -Dlocal if your debugger can't find static symbols */ |
+ |
+/* gz* functions always use library allocation functions */ |
+#ifndef STDC |
+ extern voidp malloc OF((uInt size)); |
+ extern void free OF((voidpf ptr)); |
+#endif |
+ |
+/* get errno and strerror definition */ |
+#if defined UNDER_CE |
+# include <windows.h> |
+# define zstrerror() gz_strwinerror((DWORD)GetLastError()) |
+#else |
+# ifdef STDC |
+# include <errno.h> |
+# define zstrerror() strerror(errno) |
+# else |
+# define zstrerror() "stdio error (consult errno)" |
+# endif |
+#endif |
+ |
+/* provide prototypes for these when building zlib without LFS */ |
+#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0 |
+ ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *)); |
+ ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int)); |
+ ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile)); |
+ ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile)); |
+#endif |
+ |
+/* default i/o buffer size -- double this for output when reading */ |
+#define GZBUFSIZE 8192 |
+ |
+/* gzip modes, also provide a little integrity check on the passed structure */ |
+#define GZ_NONE 0 |
+#define GZ_READ 7247 |
+#define GZ_WRITE 31153 |
+#define GZ_APPEND 1 /* mode set to GZ_WRITE after the file is opened */ |
+ |
+/* values for gz_state how */ |
+#define LOOK 0 /* look for a gzip header */ |
+#define COPY 1 /* copy input directly */ |
+#define GZIP 2 /* decompress a gzip stream */ |
+ |
+/* internal gzip file state data structure */ |
+typedef struct { |
+ /* used for both reading and writing */ |
+ int mode; /* see gzip modes above */ |
+ int fd; /* file descriptor */ |
+ char *path; /* path or fd for error messages */ |
+ z_off64_t pos; /* current position in uncompressed data */ |
+ unsigned size; /* buffer size, zero if not allocated yet */ |
+ unsigned want; /* requested buffer size, default is GZBUFSIZE */ |
+ unsigned char *in; /* input buffer */ |
+ unsigned char *out; /* output buffer (double-sized when reading) */ |
+ unsigned char *next; /* next output data to deliver or write */ |
+ /* just for reading */ |
+ unsigned have; /* amount of output data unused at next */ |
+ int eof; /* true if end of input file reached */ |
+ z_off64_t start; /* where the gzip data started, for rewinding */ |
+ z_off64_t raw; /* where the raw data started, for seeking */ |
+ int how; /* 0: get header, 1: copy, 2: decompress */ |
+ int direct; /* true if last read direct, false if gzip */ |
+ /* just for writing */ |
+ int level; /* compression level */ |
+ int strategy; /* compression strategy */ |
+ /* seek request */ |
+ z_off64_t skip; /* amount to skip (already rewound if backwards) */ |
+ int seek; /* true if seek request pending */ |
+ /* error information */ |
+ int err; /* error code */ |
+ char *msg; /* error message */ |
+ /* zlib inflate or deflate stream */ |
+ z_stream strm; /* stream structure in-place (not a pointer) */ |
+} gz_state; |
+typedef gz_state FAR *gz_statep; |
+ |
+/* shared functions */ |
+void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *)); |
+#if defined UNDER_CE |
+char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error)); |
+#endif |
+ |
+/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t |
+ value -- needed when comparing unsigned to z_off64_t, which is signed |
+ (possible z_off64_t types off_t, off64_t, and long are all signed) */ |
+#ifdef INT_MAX |
+# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX) |
+#else |
+unsigned ZLIB_INTERNAL gz_intmax OF((void)); |
+# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax()) |
+#endif |